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Note: This page contains sample records for the topic "initiative application power" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


1

Initial Requirements for Wireless Sensors in Power Plant Applications  

Science Conference Proceedings (OSTI)

This EPRI technical update report is a product of an effort to examine the suitability of certain wireless technology for deployment in a power plant environment. Specifically, the report details some of the initial processes involved in gathering requirements for wireless sensors, and presents some initial results.BackgroundPower plant equipment and systems require instrumentation to operate efficiently, to detect and prevent equipment faults, and to support ...

2013-09-13T23:59:59.000Z

2

DOE Seeks Applications for Third Round of Clean Coal Power Initiative |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Applications for Third Round of Clean Coal Power Applications for Third Round of Clean Coal Power Initiative DOE Seeks Applications for Third Round of Clean Coal Power Initiative August 11, 2008 - 2:40pm Addthis Funding Opportunity Announcement Solicits Applications for Carbon Capture and Sequestration WASHINGTON, DC -The U.S. Department of Energy (DOE) today issued the final Funding Opportunity Announcement (FOA) for Round 3 of the Clean Coal Power Initiative (CCPI) which seeks to accelerate the commercial deployment of advanced coal technologies to help supply the United States with clean, abundant, and affordable energy. DOE anticipates making multiple awards under this FOA and, depending on fiscal year 2009 appropriations, may be able to provide up to $340 million to be distributed among selected recipients. The projects will be cost-shared, with the award recipient(s)

3

NETL: Power Plant Improvement Initiative  

NLE Websites -- All DOE Office Websites (Extended Search)

PPII Major Demonstrations Power Plant Improvement Initiative (PPII) The Power Plant Improvement Initiative (PPII) was established in October 2000 to further the commercial-scale...

4

Clean Coal Power Initiative  

Science Conference Proceedings (OSTI)

This report is the fifth quarterly Technical Progress Report submitted by NeuCo, Incorporated, under Award Identification Number, DE-FC26-04NT41768. This award is part of the Clean Coal Power Initiative (''CCPI''), the ten-year, $2B initiative to demonstrate new clean coal technologies in the field. This report is one of the required reports listed in Attachment B Federal Assistance Reporting Checklist, part of the Cooperative Agreement. The report covers the award period January 1, 2006 - March 31, 2006 and NeuCo's efforts within design, development, and deployment of on-line optimization systems during that period.

Doug Bartlett; Rob James; John McDermott; Neel Parikh; Sanjay Patnaik; Camilla Podowski

2006-03-31T23:59:59.000Z

5

NETL: Power Plant Improvement Initiative  

NLE Websites -- All DOE Office Websites (Extended Search)

Project Performance Summaries Power Plant Improvement Initiative (PPII) Project Performance Summaries Project Performance Summaries are written after project completion. These...

6

2025 Power Marketing Initiative  

NLE Websites -- All DOE Office Websites (Extended Search)

and is in the process of developing a plan for marketing and allocating LAP hydroelectric power after the FES contracts expire. We call this plan our 2025 Power Marketing...

7

SunShot Initiative: Concentrating Solar Power  

NLE Websites -- All DOE Office Websites (Extended Search)

Concentrating Solar Power to Concentrating Solar Power to someone by E-mail Share SunShot Initiative: Concentrating Solar Power on Facebook Tweet about SunShot Initiative: Concentrating Solar Power on Twitter Bookmark SunShot Initiative: Concentrating Solar Power on Google Bookmark SunShot Initiative: Concentrating Solar Power on Delicious Rank SunShot Initiative: Concentrating Solar Power on Digg Find More places to share SunShot Initiative: Concentrating Solar Power on AddThis.com... Concentrating Solar Power Systems Components Competitive Awards Staff Photovoltaics Systems Integration Balance of Systems Concentrating Solar Power SunShot CSP Team Learn more about the SunShot concentrating solar power program staff by visiting the team's profile pages. Argonne National Laboratory Argonne National Laboratory

8

NETL: Clean Coal Power Initiative  

NLE Websites -- All DOE Office Websites (Extended Search)

Deepwater Technology Enhanced Oil Recovery Gas Hydrates Natural Gas Resources Contacts Coal & Power Systems Major Demonstrations Innovations for Existing Plants Gasification...

9

NETL: Power Plant Improvement Initiative (PPII)  

NLE Websites -- All DOE Office Websites (Extended Search)

PPII Map Clean Coal Demonstrations Power Plant Improvement Initiative (PPII) Project Location Map Place mouse cursor over state for and select the project you are interested in....

10

Recovery Act: Clean Coal Power Initiative | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Clean Coal Power Initiative Recovery Act: Clean Coal Power Initiative A report detailling the Clean Coal Power initiative funded under the American Recovery and Renewal Act of...

11

Pulsed Power Technology and Application -- North America  

Science Conference Proceedings (OSTI)

This report describes pulsed power technologies and applications along with a market assessment of near-term market opportunities. Recommendations for initial activities also are presented.

1999-11-23T23:59:59.000Z

12

Wind Powering America Initiative (Fact Sheet)  

DOE Green Energy (OSTI)

The U.S. Department of Energy's Wind Powering America initiative engages in technology market acceptance, barrier reduction, and technology deployment support activities. This fact sheet outlines ways in which the Wind Powering America team works to reduce barriers to appropriate wind energy deployment, primarily by focusing on six program areas: workforce development, communications and outreach, stakeholder analysis and resource assessment, wind technology technical support, wind power for Native Americans, and federal sector support and collaboration.

Not Available

2011-01-01T23:59:59.000Z

13

Wind Powering America Initiative (Fact Sheet)  

SciTech Connect

The U.S. Department of Energy's Wind Powering America initiative engages in technology market acceptance, barrier reduction, and technology deployment support activities. This fact sheet outlines ways in which the Wind Powering America team works to reduce barriers to appropriate wind energy deployment, primarily by focusing on six program areas: workforce development, communications and outreach, stakeholder analysis and resource assessment, wind technology technical support, wind power for Native Americans, and federal sector support and collaboration.

2011-01-01T23:59:59.000Z

14

Climate VISION: Private Sector Initiatives: Electric Power  

Office of Scientific and Technical Information (OSTI)

Letters of Intent/Agreements Letters of Intent/Agreements The electric power sector participates in the Climate VISION program through the Electric Power Industry Climate Initiative (EPICI) and its Power Partners program, which is being developed in cooperation with the Department of Energy. The memberships of the seven organizations that comprise EPICI represent 100% of the power generators in the United States. Through individual commitments and collective actions, the power sector will strive to make meaningful contributions to the President's greenhouse gas intensity goal. EPICI members also support efforts to increase technology research, development and deployment that will help the power sector, and other sectors, achieve the President's goal. The seven organizations comprising EPICI are the American Public Power

15

Georgia Power - Small and Medium Scale Advanced Solar Initiative (GPASI)  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Georgia Power - Small and Medium Scale Advanced Solar Initiative Georgia Power - Small and Medium Scale Advanced Solar Initiative (GPASI) (Georgia) Georgia Power - Small and Medium Scale Advanced Solar Initiative (GPASI) (Georgia) < Back Eligibility Agricultural Commercial General Public/Consumer Installer/Contractor Institutional Local Government Multi-Family Residential Nonprofit Residential Schools State Government Savings Category Solar Buying & Making Electricity Program Info Start Date 03/01/2013 State Georgia Program Type Other Incentive Provider GPASI Project Manager '''''Note: The application process for the small and medium scale solar programs began on March 1, 2013 and will continue through March 11, 2013. If completed applications exceed program capacity limit of 45 megawatts (MW), a lottery will be conducted, with Georgia Public Service Commission

16

FUTURE POWER GRID INITIATIVE GridOPTICSTM  

E-Print Network (OSTI)

of individual software products November 2012 PNNL-SA-90162 Ian Gorton Pacific Northwest National Laboratory (509) 375-3850 ian.gorton@pnnl.gov ABOUT FPGI The Future Power Grid Initiative (FPGI) will deliver next National Laboratory's (PNNL) national electric grid research facility, the FPGI will advance the science

17

Clean Coal Technology and the Clean Coal Power Initiative | Department...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Clean Coal Technology and the Clean Coal Power Initiative Clean Coal Technology and the Clean Coal Power Initiative "Clean coal technology" describes a new generation of energy...

18

SunShot Initiative: Concentrating Solar Power  

NLE Websites -- All DOE Office Websites (Extended Search)

Power Power SunShot CSP Team Learn more about the SunShot concentrating solar power program staff by visiting the team's profile pages. Argonne National Laboratory Argonne National Laboratory High-Efficiency Thermal Energy Storage System for CSP University of California Los Angeles University of California Los Angeles High Operating Temperature Liquid Metal Heat Transfer Fluids Jet Propulsion Laborator Jet Propulsion Laboratory Low-Cost, Lightweight Solar Concentrators Abengoa Solar Abengoa Solar Advanced Nitrate Salt Central Receiver Power Plant HiTek Services HiTek Services Low-Cost Heliostat Development The Department of Energy (DOE) supports research and development of concentrating solar power (CSP) technologies as a unique path to achieve SunShot Initiative cost targets with systems that can supply solar power on demand through the use of thermal storage. CSP technologies use mirrors to reflect and concentrate sunlight onto receivers that collect solar energy and convert it to heat. Thermal energy can then be used to produce electricity via a turbine or heat engine driving a generator.

19

SunShot Initiative: National Laboratory Concentrating Solar Power Research  

NLE Websites -- All DOE Office Websites (Extended Search)

National Laboratory Concentrating National Laboratory Concentrating Solar Power Research to someone by E-mail Share SunShot Initiative: National Laboratory Concentrating Solar Power Research on Facebook Tweet about SunShot Initiative: National Laboratory Concentrating Solar Power Research on Twitter Bookmark SunShot Initiative: National Laboratory Concentrating Solar Power Research on Google Bookmark SunShot Initiative: National Laboratory Concentrating Solar Power Research on Delicious Rank SunShot Initiative: National Laboratory Concentrating Solar Power Research on Digg Find More places to share SunShot Initiative: National Laboratory Concentrating Solar Power Research on AddThis.com... Concentrating Solar Power Systems Components Competitive Awards CSP Research & Development Thermal Storage

20

Clean Coal Power Initiative Round 3  

NLE Websites -- All DOE Office Websites (Extended Search)

CARBON STORAGE PROGRAM INFRASTRUCTURE ANNUAL REVIEW MEETING, November 15-17, 2011 CARBON STORAGE PROGRAM INFRASTRUCTURE ANNUAL REVIEW MEETING, November 15-17, 2011 Carbon Storage in DOE/NETL Major Demonstrations Gary J. Stiegel Director, Major Projects Division Office of Major Demonstrations 2 DOE's Coal RD&D Investment Strategy Commercial Readiness RESEARCH & DEVELOPMENT Core Coal and Power Systems R&D DOE - FE - NETL TECHNOLOGY DEMONSTRATION Clean Coal Power Initiative Stimulus Activities DOE - FE - NETL FINANCIAL INCENTIVES Tax Credits Loan Guarantees DOE - LGO - IRS TECHNOLOGIES & BEST PRACTICES < 10% increase COE with CCS (pre-combustion) < 35% increase COE with CCS (post- and oxy-combustion) < $400/kW fuel cell systems (2002 $) > 50% plant efficiency, up to 60% with fuel cells > 90% CO

Note: This page contains sample records for the topic "initiative application power" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


21

NSR and the Power Plant Improvement Initiative  

NLE Websites -- All DOE Office Websites (Extended Search)

SOURCE REVIEW (NSR) and the CLEAN COAL SOURCE REVIEW (NSR) and the CLEAN COAL POWER INITIATIVE (CCPI) Summary Changes which result in increases in emissions of air pollutants from existing industrial facilities, such as power plants, can invoke stringent and costly new regulations. However, it is not the intent of such requirements to present a barrier to the installation of environmentally beneficial pollution control projects, or to projects demonstrating new methods to burn coal cleanly under the DOE Clean Coal Technology Program. Special provisions are included in the Clean Air Act and its implementing regulations to address potential exemptions of such projects from new source review regulations. This paper provides a general review of those provisions, and encourages project managers to

22

Climate VISION: Private Sector Initiatives: Electric Power: Resources and  

Office of Scientific and Technical Information (OSTI)

Electric Power Industry Climate Initiative (EPICI) Members Electric Power Industry Climate Initiative (EPICI) Members American Public Power Association American Public Power Association Logo The American Public Power Association (APPA) is the service organization for the nation's public power utilities. Edison Electric Institute Edison Electric Institute Logo Edison Electric Institute (EEI) is the premier trade association for U.S. shareholder-owned electric companies, and serves international affiliates and industry associates worldwide. Electric Power Supply Association Electric Power Supply Association Logo The Electric Power Supply Association (EPSA) is the national trade association representing competitive power suppliers, including independent power producers, merchant generators, and power marketers. Large Public Power Council

23

Georgia Power - Small and Medium Scale Advanced Solar Initiative...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Small and Medium Scale Advanced Solar Initiative (GPASI) (Georgia) Georgia Power - Small and Medium Scale Advanced Solar Initiative (GPASI) (Georgia) Eligibility Agricultural...

24

SunShot Initiative: Concentrating Solar Power Staff  

NLE Websites -- All DOE Office Websites (Extended Search)

Concentrating Solar Power Staff Concentrating Solar Power Staff to someone by E-mail Share SunShot Initiative: Concentrating Solar Power Staff on Facebook Tweet about SunShot Initiative: Concentrating Solar Power Staff on Twitter Bookmark SunShot Initiative: Concentrating Solar Power Staff on Google Bookmark SunShot Initiative: Concentrating Solar Power Staff on Delicious Rank SunShot Initiative: Concentrating Solar Power Staff on Digg Find More places to share SunShot Initiative: Concentrating Solar Power Staff on AddThis.com... Accomplishments Visiting the SunShot Office Fellowships Postdoctoral Research Contacts Staff Concentrating Solar Power Staff The SunShot Initiative concentrating solar power (CSP) program competitively funds and actively manages the efforts of industry, national laboratories, and universities working to make large-scale dispatchable

25

SunShot Initiative: Concentrating Solar Power Competitive Awards  

NLE Websites -- All DOE Office Websites (Extended Search)

Concentrating Solar Power Concentrating Solar Power Competitive Awards to someone by E-mail Share SunShot Initiative: Concentrating Solar Power Competitive Awards on Facebook Tweet about SunShot Initiative: Concentrating Solar Power Competitive Awards on Twitter Bookmark SunShot Initiative: Concentrating Solar Power Competitive Awards on Google Bookmark SunShot Initiative: Concentrating Solar Power Competitive Awards on Delicious Rank SunShot Initiative: Concentrating Solar Power Competitive Awards on Digg Find More places to share SunShot Initiative: Concentrating Solar Power Competitive Awards on AddThis.com... Concentrating Solar Power Systems Components Competitive Awards CSP Research & Development Thermal Storage CSP Recovery Act Baseload CSP SunShot Multidisciplinary University Research Initiative

26

SunShot Initiative: Brayton Cycle Baseload Power Tower  

NLE Websites -- All DOE Office Websites (Extended Search)

Brayton Cycle Baseload Power Brayton Cycle Baseload Power Tower to someone by E-mail Share SunShot Initiative: Brayton Cycle Baseload Power Tower on Facebook Tweet about SunShot Initiative: Brayton Cycle Baseload Power Tower on Twitter Bookmark SunShot Initiative: Brayton Cycle Baseload Power Tower on Google Bookmark SunShot Initiative: Brayton Cycle Baseload Power Tower on Delicious Rank SunShot Initiative: Brayton Cycle Baseload Power Tower on Digg Find More places to share SunShot Initiative: Brayton Cycle Baseload Power Tower on AddThis.com... Concentrating Solar Power Systems Components Competitive Awards CSP Research & Development Thermal Storage CSP Recovery Act Baseload CSP SunShot Multidisciplinary University Research Initiative CSP Heat Integration for Baseload Renewable Energy Deployment

27

Sandia National Laboratories Distributive Power Initiative (DPI)  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Benjamin L. Schenkman Benjamin L. Schenkman (505) 284-5883 BLSCHEN@SANDIA.GOV September 2008 ABMAS Battery Management System for USCG National Distress System Applications Annual DOE Peer Review National Distress System (NDS) Problem National Distress System (NDS) Problem  Supplying Fuel to the propane generators is expensive especially when the fuel has to be chartered by helicopter. NDS Background NDS Background  365/7/24 distress communication coverage  Remote Locations (Majority in Alaska)  VHF-FM system powered by Battery, PV and USCG owned propane generators  Fuel for the Generator is delivered by helicopter or car if possible Fuel/Battery Tradeoff Fuel/Battery Tradeoff Good charge acceptance Efficient generator operation Good charge acceptance Efficient generator

28

SunShot Initiative: Baseload Concentrating Solar Power Generation  

NLE Websites -- All DOE Office Websites (Extended Search)

Concentrating Solar Concentrating Solar Power Generation to someone by E-mail Share SunShot Initiative: Baseload Concentrating Solar Power Generation on Facebook Tweet about SunShot Initiative: Baseload Concentrating Solar Power Generation on Twitter Bookmark SunShot Initiative: Baseload Concentrating Solar Power Generation on Google Bookmark SunShot Initiative: Baseload Concentrating Solar Power Generation on Delicious Rank SunShot Initiative: Baseload Concentrating Solar Power Generation on Digg Find More places to share SunShot Initiative: Baseload Concentrating Solar Power Generation on AddThis.com... Concentrating Solar Power Systems Components Competitive Awards CSP Research & Development Thermal Storage CSP Recovery Act Baseload CSP SunShot Multidisciplinary University Research Initiative

29

SunShot Initiative: Concentrating Solar Power Newsletter  

NLE Websites -- All DOE Office Websites (Extended Search)

Information Resources Information Resources Printable Version Share this resource Send a link to SunShot Initiative: Concentrating Solar Power Newsletter to someone by E-mail Share SunShot Initiative: Concentrating Solar Power Newsletter on Facebook Tweet about SunShot Initiative: Concentrating Solar Power Newsletter on Twitter Bookmark SunShot Initiative: Concentrating Solar Power Newsletter on Google Bookmark SunShot Initiative: Concentrating Solar Power Newsletter on Delicious Rank SunShot Initiative: Concentrating Solar Power Newsletter on Digg Find More places to share SunShot Initiative: Concentrating Solar Power Newsletter on AddThis.com... Publications Newsletter Resource Center Multimedia Meetings & Workshops Solar Innovation Timeline Solar Career Map Glossary Concentrating Solar Power Newsletter

30

SunShot Initiative: Concentrated Solar Thermoelectric Power  

NLE Websites -- All DOE Office Websites (Extended Search)

Concentrated Solar Thermoelectric Concentrated Solar Thermoelectric Power to someone by E-mail Share SunShot Initiative: Concentrated Solar Thermoelectric Power on Facebook Tweet about SunShot Initiative: Concentrated Solar Thermoelectric Power on Twitter Bookmark SunShot Initiative: Concentrated Solar Thermoelectric Power on Google Bookmark SunShot Initiative: Concentrated Solar Thermoelectric Power on Delicious Rank SunShot Initiative: Concentrated Solar Thermoelectric Power on Digg Find More places to share SunShot Initiative: Concentrated Solar Thermoelectric Power on AddThis.com... Concentrating Solar Power Systems Components Competitive Awards CSP Research & Development Thermal Storage CSP Recovery Act Baseload CSP SunShot Multidisciplinary University Research Initiative CSP Heat Integration for Baseload Renewable Energy Deployment

31

SunShot Initiative: Power Tower  

NLE Websites -- All DOE Office Websites (Extended Search)

Polymeric Mirrors (CSP R&D FOA) Abengoa Solar: Advanced Nitrate Salt Central Receiver Power Plant (Baseload CSP FOA) Abengoa Solar: Reducing the Cost of Thermal Energy Storage...

32

SunShot Initiative: Concentrating Solar Power Staff Profiles  

NLE Websites -- All DOE Office Websites (Extended Search)

Printable Version Share this resource Send a link to SunShot Initiative: Concentrating Solar Power Staff Profiles to someone by E-mail Share SunShot Initiative: Concentrating...

33

SunShot Initiative: Concentrating Solar Power Staff Profiles  

NLE Websites -- All DOE Office Websites (Extended Search)

Staff Profiles The SunShot Initiative concentrating solar power (CSP) program competitively funds and actively manages the efforts of industry, national laboratories, and...

34

SunShot Initiative: Advanced Nitrate Salt Central Receiver Power...  

NLE Websites -- All DOE Office Websites (Extended Search)

Advanced Nitrate Salt Central Receiver Power Plant to someone by E-mail Share SunShot Initiative: Advanced Nitrate Salt Central Receiver Power Plant on Facebook Tweet about SunShot...

35

Nanocomposite Magnets for Power Electronic Applications: IEEE ...  

Science Conference Proceedings (OSTI)

Symposium, Advanced Materials for Power Electronics, Power Conditioning, and Power Conversion ... Potential Ceramic Dielectrics for Air Force Applications.

36

Sandia National Laboratories Distributive Power Initiative (DPI...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Benjamin L. Schenkman (505) 284-5883 BLSCHEN@SANDIA.GOV September 2008 ABMAS Battery Management System for USCG National Distress System Applications Annual DOE Peer Review...

37

Climate VISION: Private Sector Initiatives: Electric Power: Resources and  

Office of Scientific and Technical Information (OSTI)

Industry Associations Industry Associations Power Sector Programs/Initiatives Facilitating Organizations Other Resources Power Sector Programs/Initiatives To help achieve its Climate VISION commitment, the power sector has developed a series of programs and sector-wide initiatives. Power sector members are encouraged to participate in programs organized by their EPICI representative organization and join one of the sector-wide initiatives described below. PowerTree Carbon Company Through PowerTree Carbon Company, electric companies are partnering with government agencies and environmental groups to plant trees and restore natural ecosystems in Arkansas, Louisiana, and Mississippi. In addition to sequestering CO2 emissions, the PowerTree Carbon Company project will: create significant habitats for waterfowl, birds, and other native wildlife

38

FUTURE POWER GRID INITIATIVE Next Generation Network  

E-Print Network (OSTI)

designed by PNNL and currently being deployed in the AEP gridSMART Demonstration Project, and » developed that will position PNNL as the leader in modeling and planning power grid data communication networks. External users scenarios and testing of communication requirements with smart grid investments. November 2012 PNNL-SA-90012

39

PRISM 2.0: Regional Energy and Economic Model Development and Initial Application: Phase 1: Analysis of Environmental Regulations on the U.S. Power Sector and Economy  

Science Conference Proceedings (OSTI)

The Electric Power Research Institute (EPRI) has conducted an analysis of the effect of current and potential U.S. Environmental Protection Agency (EPA) regulations on the nations electric industry and economy. The current and potential environmental regulations covered in this analysis include:Mercury and Air Toxics Standard (MATS) ruleClean Water Act (CWA) 316(b) for cooling water intake structuresResource Conservation and ...

2013-09-20T23:59:59.000Z

40

FUTURE POWER GRID INITIATIVE Market Design Analysis Tool  

E-Print Network (OSTI)

FUTURE POWER GRID INITIATIVE Market Design Analysis Tool OBJECTIVE Power market design plays a critical role in the outcomes related to power system reliability and market efficiency. However, translation of market rules/designs into the complex mathematical market clearing mechanism is not a trivial

Note: This page contains sample records for the topic "initiative application power" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


41

Sandia National Laboratories Distributive Power Initiative (DPI)  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Large Format Carbon Enhanced Large Format Carbon Enhanced VRLA Battery Test Results EESAT 2009 Funded by the Energy Storage Systems Program of the U.S. Department Of Energy (DOE/ESS) through Sandia National Laboratories (SNL) October 4 - 7, 2009 Seattle, Washington Presented by: Tom Hund Sandia National Laboratories Albuquerque, NM (505) 844-8627 tdhund@sandia.gov *Sandia is a multi-program laboratory operated by Sandia Corporation, a Lockheed Martin Company, for the United States Department of Energy's National Nuclear Security Administration under Contract DE-AC04-94AL85000. 2 Objective  Test Advanced Lead-Acid Battery Consortium (ALABC) technology for utility partial state of charge (PSOC) cycling applications. Utility applications may include: Wind farm energy smoothing Photovoltaic energy smoothing

42

SunShot Initiative: Concentrating Solar Power Research and Development  

NLE Websites -- All DOE Office Websites (Extended Search)

for CSP Applications Alcoa: System Design for CSP Technologies Brayton Energy: Brayton Solar Power Conversion System Infinia: Maintenance-Free Stirling Engine for...

43

Clean Coal Power Initiative Round III | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Clean Coal Power Initiative Round III Clean Coal Power Initiative Round III Clean Coal Power Initiative Round III In December 2009, the U.S. Department of Energy announced the selection of three new projects with a value of $3.18 billion to accelerate the development of advanced coal technologies with carbon capture and storage at commercial-scale. These projects will help to enable commercial deployment to ensure the United States has clean, reliable, and affordable electricity and power. An investment of up to $979 million, including funds from the American Recovery and Reinvestment Act, will be leveraged by more than $2.2 billion in private capital cost share as part of the third round of the Department's Clean Coal Power Initiative (CCPI). The selections demonstrate technologies that: make progress toward a target CO2 capture efficiency of 90 percent;

44

The 2001 Power Plant Improvement Initiative | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

2001 Power Plant Improvement Initiative 2001 Power Plant Improvement Initiative The 2001 Power Plant Improvement Initiative When U.S. consumers were confronted in 1999 and 2000 with blackouts and brownouts of electric power in major regions of the country, Congress responded by directing the Department of Energy to issue "a general request for proposals for the commercial scale demonstration of technologies to assure the reliability of the nation's energy supply from existing and new electric generating facilities...." The Congress transferred $95 million from previously appropriated funding for the 1986-93 Clean Coal Technology Program. On February 6, 2001, the Energy Department issued a solicitation for proposals under the program it called the "Power Plant Improvement Initiative" (PPII). By the April 19, 2001, deadline, 24 candidate projects

45

Sandia National Laboratories Distributive Power Initiative (DPI)  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Peer Review This work was funded by the DOE Energy Storage Program November 2-3, 2006 Washington, DC Presented by: Tom Hund, Nancy Clark, David Johnson, and Wes Baca Sandia National Laboratories Albuquerque, NM (505) 844-8627 tdhund@sandia.gov *Sandia is a multi-program laboratory operated by Sandia Corporation, a Lockheed Martin Company, for the United States Department of Energy's National Nuclear Security Administration under Contract DE-AC04-94AL85000. 2 Introduction (Previous Work)  Sandia's Power Sources Component Development Dept. provides unbiased energy storage testing support to the DOE Energy Storage Program.  Previous work has included supercap testing on ESMA, Maxwell, and Okamura Labs devices, and battery testing on EEI Bipolar NiMH, Cyclon VRLA,

46

FUTURE POWER GRID INITIATIVE A Statistical State Prediction  

E-Print Network (OSTI)

and analytics capabilities for the power November 2012 PNNL-SA-90022 Ning Zhou Pacific Northwest National Laboratory (509) 372-6438 ning.zhou@pnnl.gov ABOUT FPGI The Future Power Grid Initiative (FPGI) will deliver Northwest National Laboratory's (PNNL) national electric grid research facility, the FPGI will advance

47

Peak power identification on power bumps during test application  

Science Conference Proceedings (OSTI)

Peak power during test can seriously impact circuit performance as well as the power safety for both CUT and tester. In this paper, we propose a method of layout-aware weighted switching activity identification flow that evaluates peak current/power ... Keywords: CMOS device, peak power identification, power bumps, test application, layout-aware weighted switching activity identification flow, dynamic power model, parasitic capacitance, resistance network, power bus, power delivery path, IR-drop, commercial power sign-off analysis tool

Wei Zhao; M. Tehranipoor

2011-07-01T23:59:59.000Z

48

FUTURE POWER GRID INITIATIVE Actionable Visualization Tools for  

E-Print Network (OSTI)

. Focus Area Lead: Paul Whitney (paul.whitney@pnnl.gov) November 2012 PNNL-SA-90021 Luke Gosink Pacific Northwest National Laboratory (509) 375-6648 luke.gosink@pnnl.gov Russ Burtner Pacific Northwest National Laboratory (509) 371-6736 russ.burtner@pnnl.gov ABOUT FPGI The Future Power Grid Initiative (FPGI

49

FUTURE POWER GRID INITIATIVE Modeling of Distributed Energy  

E-Print Network (OSTI)

with sophisti- cated mathematical models to conduct November 2012 PNNL-SA-90014 Shuai Lu Pacific Northwest National Laboratory (509) 375-2235 shuai.lu@pnnl.gov ABOUT FPGI The Future Power Grid Initiative (FPGI), the Pacific Northwest National Laboratory's (PNNL) national electric grid research facility, the FPGI

50

Initial Northwest Power Act Power Sales Contracts : Final Environmental Impact Statement. Volume 4, Comments and Responses.  

DOE Green Energy (OSTI)

This volume of the Initial Northwest Power Act Power Sales Contracts Final Environmental Impact Statement (Final EIS) contains public comments addressing the Initial Northwest Power Act Power Sales Contracts Draft EIS, August 1990 and Bonneville Power Administration`s (BPA) responses. The Introduction provides information about the process BPA follows in addressing these comments. Part I contains a listing of the Alternative Actions evaluated in the Final EIS; Part II is organized by Alternatives and includes summaries of the comments and BPA responses; Part III provides copies of the original comments letters, and, for ease of identification, are coded in the margins according to the alternative(s) addressed.

United States. Bonneville Power Administration.

1992-01-01T23:59:59.000Z

51

Power system requirements and selection for the space exploration initiative  

Science Conference Proceedings (OSTI)

The Space Exploration Initiative (SEI) seeks to reestablish a US program of manned and unmanned space exploration. The President has called for a program which includes a space station element, a manned habitation of the moon, and a human exploration of Mars. The NASA Synthesis Group has developed four significantly different architectures for the SEI program. One key element of a space exploration effort is the power required to support the missions. The Power Speciality Team of the Synthesis Group was tasked with assessing and evaluating the power requirements and candidate power technologies for such missions. Inputs to the effort came from existing NASA studies as well as other governments agency inputs such as those from DOD and DOE. In addition, there were industry and university briefings and results of solicitations from the AIAA and the general public as part of the NASA outreach effort. Because of the variety of power needs in the SEI program, there will be a need for multiple power system technologies including solar, nuclear and electrochemical. Due to the high rocket masses required to propel payloads to the moon and beyond to Mars, there is great emphasis placed on the need for high power density and high energy density systems. Power system technology development work is needed results will determine the ultimate technology selections. 23 refs., 10 figs.

Biringer, K.L. (Sandia National Labs., Albuquerque, NM (United States)); Bartine, D.E. (Oak Ridge National Lab., TN (United States)); Buden, D. (Idaho National Engineering Lab., Idaho Falls, ID (United States)); Foreman, J. (Naval Research Lab., Washington, DC (United States)); Harrison, S. (Strategic Defense Initiative Organization, Washington, DC (United States))

1991-01-01T23:59:59.000Z

52

Pulsed Power Technology and Applications -- Scandinavia  

Science Conference Proceedings (OSTI)

Pulsed power is a new and promising technology with a large number of potential applications. In addition to existing and future pulsed power supply and technology in Scandinavia and Europe, this report also describes present and future applications.

1999-04-19T23:59:59.000Z

53

FUTURE POWER GRID INITIATIVE GridPACK: Grid Parallel Advanced  

E-Print Network (OSTI)

of the FPGI GridOPTICSTM program and other tools developed at PNNL to provide synergistic tool development application of HPC to critical Power Grid simulations and provide great benefits to PNNL, DOE, and industrial and integrate them with sophisti- cated mathematical models to conduct November 2012 PNNL-SA-90076 Bruce Palmer

54

NETL: News Release - Clean Coal Power Initiative Draft Solicitation  

NLE Websites -- All DOE Office Websites (Extended Search)

November 26, 2003 November 26, 2003 Clean Coal Power Initiative Draft Solicitation Available for Comment Round 2 Demonstrations to Advance the Use of the Nation's Most Abundant Energy Resource WASHINGTON, DC - The U.S. Department of Energy's National Energy Technology Laboratory (NETL) developed a draft solicitation (Solicitation No. DE-PS26-04NT42061) for public comment to continue its efforts under the Clean Coal Power Initiative (CCPI). MORE INFO View the draft CCPI solicitation NETL is conducting a comment-and-response period that extends through December 26, 2003. Input from interested parties will be used to prepare the final solicitation. Final issuance of the solicitation is anticipated on or about January 16, 2004, with selections expected toward the end of 2004.

55

Electronic and photonic power applications  

SciTech Connect

Efficient conversion of radioactive decay to electrical power has been the goal of a number of past research efforts. One of these was the Elgin-Kidde nuclear battery. In this concept promethium-147 was used as a beta source which was then mixed with a phosphor to produce a radioluminescent (RL) source of light. The light source was coupled to silicon photovoltaic converters to create electricity. This photoelectric approach is being revisited using tritium based solid state compounds and advanced gas concepts to produce RL light sources being disclosed at this conference. Efficient conversion of the RL light energy to electrical energy imposes certain requirements on the semiconductor converter. These requirements will be discussed. Projections of power source electrical and physical characteristics will be presented based on reasonable design parameter assumptions. The words Power Supply'' usually evoke a vision of a rotating machine or chemical battery. However, today's technology is making increasing use of photonics, where information and even power can be moved through optical fibers. Brighter volumetric RL light sources open a whole new range of photonics-based applications, while solid state tritiated compounds provide the foundation for improved mechanical adaptability and safety. 4 refs., 6 figs., 1 tab.

Walko, R.J.; Ashley, C.S.; Brinker, C.J.; Reed, S.T.; Renschler, C.L. (Sandia National Labs., Albuquerque, NM (USA)); Shepodd, T.J. (Sandia National Labs., Livermore, CA (USA)); Ellefson, R.E.; Gill, J.T. (EG and G Mound Applied Technologies, Miamisburg, OH (USA)); Leonard, L.E. (USDOE, Washington, DC (USA))

1990-01-01T23:59:59.000Z

56

Electronic and photonic power applications  

DOE Green Energy (OSTI)

Efficient conversion of radioactive decay to electrical power has been the goal of a number of past research efforts. One of these was the Elgin-Kidde nuclear battery. In this concept promethium-147 was used as a beta source which was then mixed with a phosphor to produce a radioluminescent (RL) source of light. The light source was coupled to silicon photovoltaic converters to create electricity. This photoelectric approach is being revisited using tritium based solid state compounds and advanced gas concepts to produce RL light sources being disclosed at this conference. Efficient conversion of the RL light energy to electrical energy imposes certain requirements on the semiconductor converter. These requirements will be discussed. Projections of power source electrical and physical characteristics will be presented based on reasonable design parameter assumptions. The words Power Supply'' usually evoke a vision of a rotating machine or chemical battery. However, today's technology is making increasing use of photonics, where information and even power can be moved through optical fibers. Brighter volumetric RL light sources open a whole new range of photonics-based applications, while solid state tritiated compounds provide the foundation for improved mechanical adaptability and safety. 4 refs., 6 figs., 1 tab.

Walko, R.J.; Ashley, C.S.; Brinker, C.J.; Reed, S.T.; Renschler, C.L. (Sandia National Labs., Albuquerque, NM (USA)); Shepodd, T.J. (Sandia National Labs., Livermore, CA (USA)); Ellefson, R.E.; Gill, J.T. (EG and G Mound Applied Technologies, Miamisburg, OH (USA)); Leonard, L.E. (USDOE, Washington, DC (USA))

1990-01-01T23:59:59.000Z

57

Magnetic machines and power electronics for power MEMS applications  

E-Print Network (OSTI)

This thesis presents the modeling, design, and characterization of microfabricated, surface-wound, permanent-magnet (PM) generators, and their power electronics, for use in Watt-level Power MEMS applications such as a ...

Das, Sauparna, 1979-

2005-01-01T23:59:59.000Z

58

Climate VISION: Private Sector Initiatives: Electric Power - Technology  

Office of Scientific and Technical Information (OSTI)

Technology Pathways Technology Pathways Industry Vision & Roadmaps The following documents are available for download as Adobe PDF documents. Download Acrobat Reader A Climate Contingency Roadmap for the U.S. Electricity Sector: Phase II (PDF 192 KB) This roadmap examines the role of the electric sector in climate change and the sectoral impacts of alternative climate policy designs. The document explores the capabilities and costs of emissions reduction options and the influence of company-specific circumstances on the design of cost-effective response strategies. It also investigates mechanisms to create incentives for support of advanced climate-related technology research, development, and demonstration. Electric Power Research Institute Roadmap The Electric Power Research Institute is initiating an effort to develop an

59

SunShot Initiative: Power Block R&D for CSP Systems  

NLE Websites -- All DOE Office Websites (Extended Search)

Power Block R&D for CSP Systems Power Block R&D for CSP Systems to someone by E-mail Share SunShot Initiative: Power Block R&D for CSP Systems on Facebook Tweet about SunShot Initiative: Power Block R&D for CSP Systems on Twitter Bookmark SunShot Initiative: Power Block R&D for CSP Systems on Google Bookmark SunShot Initiative: Power Block R&D for CSP Systems on Delicious Rank SunShot Initiative: Power Block R&D for CSP Systems on Digg Find More places to share SunShot Initiative: Power Block R&D for CSP Systems on AddThis.com... Concentrating Solar Power Systems Components Collectors Receivers Power Block Thermal Storage Systems Analysis Competitive Awards Staff Photovoltaics Systems Integration Balance of Systems Power Block R&D for CSP Systems Power plant components and systems for concentrating solar power (CSP)

60

2007 Wholesale Power Rate Case Initial Proposal : Direct Testimony  

SciTech Connect

The purpose of this testimony is to provide the context and background to the financial and risk policy objectives for BPA's WP-07 Initial Proposal. The testimony contains eight sections. The first is this introduction. Section 2 provides background regarding BPA's Subscription Strategy and the Subscription contracts to which the WP-07 rates will apply. Section 3 describes the financial policy objectives considered when establishing the WP-07 rates. Section 4 describes BPA's risk profile, the risk mitigation tools used in prior rate periods, those proposed here, and additional tools under consideration for the FY 2007-2009 rate period. Section 5 describes financial policy directives and decisions that have shaped the WP-07 Initial Proposal. Section 6 describes the uncertainties of the current litigation regarding the National Marine Fisheries Service (NMFS) Federal Columbia River Power System (FCRPS) Biological Opinion and how it is addressed in this proposal. Section 7 briefly discusses the risk mitigation package in the WP-07 Initial Proposal. Finally, Section 8 describes some liquidity tools that may be incorporated into final studies if circumstances allow.

United States. Bonneville Power Administration.

2005-11-01T23:59:59.000Z

Note: This page contains sample records for the topic "initiative application power" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


61

FACT SHEET: SUPER-EFFICIENT EQUIPMENT AND APPLICANCE DEPLOYMENT INITIATIVE  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

FACT SHEET: SUPER-EFFICIENT EQUIPMENT AND APPLICANCE DEPLOYMENT INITIATIVE At the Clean Energy Ministerial in Washington, D.C. on July 19 th and 20 th , ministers pledged joint efforts to dramatically improve the energy efficiency of household appliances and other energy-using equipment - cutting energy waste, creating jobs, reducing pollution, and saving money for consumers around the world. The ministers launched the Super-efficient Equipment and Appliance Deployment (SEAD) Initiative, a

62

Multilevel converters for power system applications  

SciTech Connect

Multilevel converters are emerging as a new breed of power converter options for power system applications. These converters are most suitable for high voltage high power applications because they connect devices in series without the need for component matching. One of the major limitations of the multilevel converters is the voltage unbalance between different levels. To avoid voltage unbalance between different levels, several techniques have been proposed for different applications. Excluding magnetic-coupled converters, this paper introduces three multilevel voltage source converters: (1) diode-clamp, (2) flying-capacitors, and (3) cascaded inverters with separate dc sources. The operation principle, features, constraints, and potential applications of these converters will be discussed.

Lai, J.S.; Stovall, J.P. [Oak Ridge National Lab., TN (United States); Peng, F.Z. [Univ. of Tennessee, Knoxville, TN (United States)]|[Oak Ridge National Lab., TN (United States)

1995-09-01T23:59:59.000Z

63

Budget-based power consumption for application execution on a plurality of compute nodes  

DOE Patents (OSTI)

Methods, apparatus, and products are disclosed for budget-based power consumption for application execution on a plurality of compute nodes that include: assigning an execution priority to each of one or more applications; executing, on the plurality of compute nodes, the applications according to the execution priorities assigned to the applications at an initial power level provided to the compute nodes until a predetermined power consumption threshold is reached; and applying, upon reaching the predetermined power consumption threshold, one or more power conservation actions to reduce power consumption of the plurality of compute nodes during execution of the applications.

Archer, Charles J; Inglett, Todd A

2012-10-23T23:59:59.000Z

64

Budget-based power consumption for application execution on a plurality of compute nodes  

DOE Patents (OSTI)

Methods, apparatus, and products are disclosed for budget-based power consumption for application execution on a plurality of compute nodes that include: assigning an execution priority to each of one or more applications; executing, on the plurality of compute nodes, the applications according to the execution priorities assigned to the applications at an initial power level provided to the compute nodes until a predetermined power consumption threshold is reached; and applying, upon reaching the predetermined power consumption threshold, one or more power conservation actions to reduce power consumption of the plurality of compute nodes during execution of the applications.

Archer, Charles J; Blocksome, Michael A; Peters, Amanda E; Ratterman, Joseph D; Smith, Brian E

2013-02-05T23:59:59.000Z

65

File:Oklahoma Wind Power Initiative Lesson1 windenergycalc.pdf | Open  

Open Energy Info (EERE)

File File Edit History Facebook icon Twitter icon » File:Oklahoma Wind Power Initiative Lesson1 windenergycalc.pdf Jump to: navigation, search File File history File usage Metadata File:Oklahoma Wind Power Initiative Lesson1 windenergycalc.pdf Size of this preview: 463 × 599 pixels. Other resolution: 464 × 600 pixels. Go to page 1 2 3 Go! next page → next page → Full resolution ‎(1,275 × 1,650 pixels, file size: 17 KB, MIME type: application/pdf, 3 pages) File history Click on a date/time to view the file as it appeared at that time. Date/Time Thumbnail Dimensions User Comment current 10:06, 5 January 2014 Thumbnail for version as of 10:06, 5 January 2014 1,275 × 1,650, 3 pages (17 KB) Foteri (Talk | contribs) Category:Wind for Schools Portal CurriculaCategory:Wind for Schools High School Curricula

66

SunShot Initiative: Concentrating Solar Power SunShot Research and  

NLE Websites -- All DOE Office Websites (Extended Search)

Concentrating Solar Power SunShot Concentrating Solar Power SunShot Research and Development to someone by E-mail Share SunShot Initiative: Concentrating Solar Power SunShot Research and Development on Facebook Tweet about SunShot Initiative: Concentrating Solar Power SunShot Research and Development on Twitter Bookmark SunShot Initiative: Concentrating Solar Power SunShot Research and Development on Google Bookmark SunShot Initiative: Concentrating Solar Power SunShot Research and Development on Delicious Rank SunShot Initiative: Concentrating Solar Power SunShot Research and Development on Digg Find More places to share SunShot Initiative: Concentrating Solar Power SunShot Research and Development on AddThis.com... Concentrating Solar Power Systems Components Competitive Awards CSP Research & Development

67

SunShot Initiative: Power Electronics and Balance of System Hardware  

NLE Websites -- All DOE Office Websites (Extended Search)

Power Electronics and Balance of Power Electronics and Balance of System Hardware Technologies to someone by E-mail Share SunShot Initiative: Power Electronics and Balance of System Hardware Technologies on Facebook Tweet about SunShot Initiative: Power Electronics and Balance of System Hardware Technologies on Twitter Bookmark SunShot Initiative: Power Electronics and Balance of System Hardware Technologies on Google Bookmark SunShot Initiative: Power Electronics and Balance of System Hardware Technologies on Delicious Rank SunShot Initiative: Power Electronics and Balance of System Hardware Technologies on Digg Find More places to share SunShot Initiative: Power Electronics and Balance of System Hardware Technologies on AddThis.com... Concentrating Solar Power Photovoltaics Systems Integration

68

SunShot Initiative: Solar Power Tower Improvements with the Potential to  

NLE Websites -- All DOE Office Websites (Extended Search)

Solar Power Tower Improvements Solar Power Tower Improvements with the Potential to Reduce Costs to someone by E-mail Share SunShot Initiative: Solar Power Tower Improvements with the Potential to Reduce Costs on Facebook Tweet about SunShot Initiative: Solar Power Tower Improvements with the Potential to Reduce Costs on Twitter Bookmark SunShot Initiative: Solar Power Tower Improvements with the Potential to Reduce Costs on Google Bookmark SunShot Initiative: Solar Power Tower Improvements with the Potential to Reduce Costs on Delicious Rank SunShot Initiative: Solar Power Tower Improvements with the Potential to Reduce Costs on Digg Find More places to share SunShot Initiative: Solar Power Tower Improvements with the Potential to Reduce Costs on AddThis.com... Concentrating Solar Power

69

SUMMARY OF HRE-2 RUN 13 (INITIAL POWER OPERATION)  

SciTech Connect

The first power operation of the HRE-2, referred to as Run 13, occurred in February 1958. In five days of power operation, the maximum sustained power was 1.5 Mw and the total power generated was 4B Mw-hr. During the first part of the power operation, the fuel solution contained very little internal recombination catalyst. This part of the run was characterized by high concentrations of radiolytic gas and significant loss of reactivity at very low powers. After an addition of copper and acid, reactivity losses were observed only nt higher powers. Power operation was terminated after samples showed high nickel concentrations in the fuel solution, indicating a very high stainless steel corrosion rate. Subsequent subcritical operation ended because of power wiring insulation failures. (auth)

Engel, J.R.; Haubenreich, P.N.; Hernandez-Fragoso, J.; Richardson, D.M.

1958-10-29T23:59:59.000Z

70

Combustion systems for power-MEMS applications  

E-Print Network (OSTI)

As part of an effort to develop a micro-scale gas turbine engine for power generation and micro-propulsion applications, this thesis presents the design, fabrication, experimental testing, and modeling of the combustion ...

Spadaccini, Christopher M. (Christopher Michael), 1974-

2004-01-01T23:59:59.000Z

71

Power Transformer Application for Wind Plant Substations  

Science Conference Proceedings (OSTI)

Wind power plants use power transformers to step plant output from the medium voltage of the collector system to the HV or EHV transmission system voltage. This paper discusses the application of these transformers with regard to the selection of winding configuration, MVA rating, impedance, loss evaluation, on-load tapchanger requirements, and redundancy.

Behnke, M. R. [IEEE PES Wind Plant Collector System Design Working Group; Bloethe, W.G. [IEEE PES Wind Plant Collector System Design Working Group; Bradt, M. [IEEE PES Wind Plant Collector System Design Working Group; Brooks, C. [IEEE PES Wind Plant Collector System Design Working Group; Camm, E H [IEEE PES Wind Plant Collector System Design Working Group; Dilling, W. [IEEE PES Wind Plant Collector System Design Working Group; Goltz, B. [IEEE PES Wind Plant Collector System Design Working Group; Li, J. [IEEE PES Wind Plant Collector System Design Working Group; Niemira, J. [IEEE PES Wind Plant Collector System Design Working Group; Nuckles, K. [IEEE PES Wind Plant Collector System Design Working Group; Patino, J. [IEEE PES Wind Plant Collector System Design Working Group; Reza, M [IEEE PES Wind Plant Collector System Design Working Group; Richardson, B. [IEEE PES Wind Plant Collector System Design Working Group; Samaan, N. [IEEE PES Wind Plant Collector System Design Working Group; Schoene, Jens [IEEE PES Wind Plant Collector System Design Working Group; Smith, Travis M [ORNL; Snyder, Isabelle B [ORNL; Starke, Michael R [ORNL; Walling, R. [IEEE PES Wind Plant Collector System Design Working Group; Zahalka, G. [IEEE PES Wind Plant Collector System Design Working Group

2010-01-01T23:59:59.000Z

72

SunShot Initiative: Baseload Concentrating Solar Power Generation  

NLE Websites -- All DOE Office Websites (Extended Search)

Concentrating Solar Power Generation Concentrating Solar Power Generation In 2010, DOE issued the Baseload Concentrating Solar Power (CSP) Generation funding opportunity announcement (FOA). The following projects were selected under this competitive solicitation: Abengoa: Advanced Nitrate Salt Central Receiver Power Plant eSolar: Modular and Scalable Baseload Molten Salt Plant Conceptual Design and Feasibility General Atomics: Baseload CSP Generation Integrated with Sulfur-Based Thermochemical Heat Storage HiTek: Low-Cost Heliostat Development Infinia: Innovative Phase Change Thermal Energy Storage Solution for Baseload Power PPG: Next-Generation Low-Cost Reflector Rocketdyne: Solar Power Tower Improvements with the Potential to Reduce Costs SENER: High-Efficiency Thermal Storage System for Solar Plants

73

Applications of superconductivity in electric power systems  

DOE Green Energy (OSTI)

Major applications of superconductivity to power systems are considered. The state of the art of materials and refrigeration developments that are necessary for these applications is reviewed. Specific applications including superconducting cables for power transmission and superconducting magnetics for MHD generators, for energy storage, and for magnetically-confined fusion power generation are discussed in terms of their advantages and the progress being made toward introducing the various devices into real situations. It is concluded that the feasibility of superconducting devices is assured, and that, although their performance, reliability, and cost effectiveness for use in power generation, transmission, and storage remain to be proven, it is reasonable to expect that superconductivity can make it in the real world. (LCL)

Keller, W.E.

1976-01-01T23:59:59.000Z

74

Transfer function identification in power system applications  

Science Conference Proceedings (OSTI)

This paper presents an introduction to concepts and applications of transfer function identification in power systems. The paper begins with a brief introduction to transfer function identification methods using least-squares approaches and then discusses applications which include SVC's, model validation applications, and software validation. A comparison is also made between eigenvalues obtained from transfer function identification and small signal analysis. Methods for testing the validity of identified transfer functions are also discussed.

Smith, J.R.; Fatehi, F.; Woods, C.S. (Montana State Univ., Bozeman, MT (United States)); Hauer, J.F. (Bonneville Power Administration, Portland, OR (United States)); Trudnowski, D.J. (Battelle Pacific Northwest Labs., Richland, WA (United States))

1993-08-01T23:59:59.000Z

75

NETL: News Release - Clean Coal Power Initiative Project Ends...  

NLE Websites -- All DOE Office Websites (Extended Search)

Software Demonstration Project Improves Emissions, Efficiency, Cost, and Availability at Coal-Fired Power Plant Washington, DC - A project selected in 2003 under the...

76

Emerging Power Electronics Technologies Application of Power Electronics in Power Quality  

Science Conference Proceedings (OSTI)

In the past, power electronics systems were insufficiently developed and were unable to adequately cope with a number of difficult electrical system requirements. Modern power electronics tools provide the means to solve the most troubling of these power quality problems. This report reviews more than twenty key power electronics applications.

1999-12-08T23:59:59.000Z

77

DOE Announces Loan Guarantee Applications for Nuclear Power Plant...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Loan Guarantee Applications for Nuclear Power Plant Construction DOE Announces Loan Guarantee Applications for Nuclear Power Plant Construction October 2, 2008 - 3:43pm Addthis...

78

Oak Ridge National Laboratory Wireless Power Transfer Development for Sustainable Campus Initiative  

SciTech Connect

Wireless power transfer (WPT) is a convenient, safe, and autonomous means for electric and plug-in hybrid electric vehicle charging that has seen rapid growth in recent years for stationary applications. WPT does not require bulky contacts, plugs, and wires, is not affected by dirt or weather conditions, and is as efficient as conventional charging systems. This study summarizes some of the recent Sustainable Campus Initiative activities of Oak Ridge National Laboratory (ORNL) in WPT charging of an on-campus vehicle (a Toyota Prius plug-in hybrid electric vehicle). Laboratory development of the WPT coils, high-frequency power inverter, and overall systems integration are discussed. Results cover the coil performance testing at different operating frequencies, airgaps, and misalignments. Some of the experimental results of insertion loss due to roadway surfacing materials in the air-gap are presented. Experimental lessons learned are also covered in this study.

Onar, Omer C [ORNL; Miller, John M [ORNL; Campbell, Steven L [ORNL; Coomer, Chester [ORNL; White, Cliff P [ORNL; Seiber, Larry Eugene [ORNL

2013-01-01T23:59:59.000Z

79

FUTURE POWER GRID INITIATIVE An Intelligent Agent Platform  

E-Print Network (OSTI)

. APPROACH » Change the way the electric power system is controlled and data is collected » Develop an agent software framework that adds intelligence to networked sensors in the electric power system n Real and efficient household energy usage. VOLTTRON is being demonstrated at the Autonomous Agents and Multiagent

80

Conservation screening curves to compare efficiency investments to power plants: Applications to commercial sector conservation programs  

E-Print Network (OSTI)

EFFICIENCY INVESTMENTS TO POWER PLANTS: APPLICATIONS TOEFFICIENCY INVESTMENTS TO POWER PLANTS: APPLICATIONS TOEfficiency Investments to Power Plants: Applications to

Koomey, Jonathan; Rosenfeld, Arthur H.; Gadgil, Ashok J.

2008-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "initiative application power" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


81

Climate VISION: Private Sector Initiatives: Electric Power: Resources and  

Office of Scientific and Technical Information (OSTI)

Power Partners Resource Guide Power Partners Resource Guide The Power PartnersSM Resource Guide (PPRG) is a Web-based resource developed to help electric power companies undertake a wide range of actions to reduce, avoid, or sequester greenhouse gas (GHG) emissions and/or reduce emissions intensity. The PPRG is designed to help companies identify GHG emission or emission intensity reduction opportunities and find the latest, "state-of-the-art" information on a variety of topic areas through the use of links to credible Websites. The Guide also creates a dialogue between people implementing projects and those wanting to learn, by allowing companies to contribute information and establish points of contact for information on successful projects. The PPRG features sections on the following area of

82

Climate VISION: Private Sector Initiatives: Electric Power: GHG Information  

Office of Scientific and Technical Information (OSTI)

GHG Information GHG Information The electric power industry reports the vast majority of their emissions (greater than 99 percent) through the use of continuous emissions monitors and fuel-use estimated data that are transmitted to the U.S. Environmental Protection Agency (EPA) and the Energy Information Administration (EIA). EIA annually publishes data on GHG emissions and electric power generation. The "Electric Power Sector" in these publications is defined by EIA as the "energy-consuming sector that consists of electricity only and combined heat and power (CHP) plants whose primary business is to sell electricity, or electricity and heat, to the public - i.e., North American Industry Classification System 22 plants". It does not include CO2 emissions or

83

Climate VISION: Private Sector Initiatives: Electric Power: Work...  

Office of Scientific and Technical Information (OSTI)

Work Plans The power sector, through EPICI, submitted its work plan in the form of a Memorandum of Understanding (MOU) with DOE. The MOU, most recently updated in September 2006,...

84

Shipboard condition based maintenance and integrated power system initiatives  

E-Print Network (OSTI)

With the U.S. Navy's continued focus on developing and implementing a robust integrated power system aboard future combatants, there has been an ever increasing effort to guarantee an electrical distribution system that ...

Barber, Darrin E. (Darrin Eugene)

2011-01-01T23:59:59.000Z

85

Microsoft PowerPoint - Gilbertson.EnergyParksInitiative.042909  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Energy Parks Energy Parks Initiative Initiative " " Leveraging Assets to Increase the Taxpayer Leveraging Assets to Increase the Taxpayer ' ' s Return on Investment s Return on Investment " " April 29, 2009 2 Office of Environmental Management (EM) Economic Stimulus EM footprint reduction, small site completions, and additional investment opportunities Jobs created Lifecycle cost reduced Environment protected Footprint reduced Large tracts of land and infrastructure available Energy Parks * Clean, Diverse Energy Sources *Energy security *Establish long- term site mission *Sustainable jobs Footprint Reduction & Energy Parks Footprint Reduction & Energy Parks 3 * Focusing on "shovel ready, boots on the ground" projects contributing to footprint reduction and small site completions

86

Fuel cell systems for personal and portable power applications  

SciTech Connect

Fuel cells are devices that electrochemically convert fuel, usually hydrogen gas, to directly produce electricity. Fuel cells were initially developed for use in the space program to provide electricity and drinking water for astronauts. Fuel cells are under development for use in the automobile industry to power cars and buses with the advantage of lower emissions and higher efficiency than internal combustion engines. Fuel cells also have great potential to be used in portable consumer products like cellular phones and laptop computers, as well as military applications. In fact, any products that use batteries can be powered by fuel cells. In this project, we examine fuel cell system trade-offs between fuel cell type and energy storage/hydrogen production for portable power generation. The types of fuel cells being examined include stored hydrogen PEM (polymer electrolyte), direct methanol fuel cells (DMFC) and indirect methanol fuel cells, where methanol is reformed producing hydrogen. These fuel cells systems can operate at or near ambient conditions, which make them potentially optimal for use in manned personal power applications. The expected power production for these systems is in the range of milliwatts to 500 watts of electrical power for either personal or soldier field use. The fuel cell system trade-offs examine hydrogen storage by metal hydrides, carbon nanotubes, and compressed hydrogen tanks. We examine the weights each system, volume, fuel storage, system costs, system peripherals, power output, and fuel cell feasibility in portable devices.

Fateen, S. A. (Shaheerah A.)

2001-01-01T23:59:59.000Z

87

FUTURE POWER GRID INITIATIVE Multi-Resolution Data Model  

E-Print Network (OSTI)

the entire data set We are using R over Hadoop on the PNNL Institutional Computers to enable this analysis-scale power data. November 2012 PNNL-SA-90013 Kerstin Kleese van Dam Pacific Northwest National Laboratory (509) 371-7797 kerstin.kleesevandam@pnnl.gov Terence Critchlow Pacific Northwest National Laboratory

88

FUTURE POWER GRID INITIATIVE Real-time High-Performance  

E-Print Network (OSTI)

mathematical models, next-generation simulation and analytics capabilities for the power November 2012 PNNL-SA-90011 Peter Hui Pacific Northwest National Laboratory (509) 372-6414 peter.hui@pnnl.gov ABOUT FPGI Infrastructure Operations Center (EIOC), the Pacific Northwest National Laboratory's (PNNL) national electric

89

FUTURE POWER GRID INITIATIVE Decision Support for Future  

E-Print Network (OSTI)

data to generate and share mission-critical analysis and insights. November 2012 PNNL-SA-90020 Gariann Gelston Pacific Northwest National Laboratory (509) 372-4480 gariann.gelston@pnnl.gov Angie Dalton Pacific Northwest National Laboratory (509) 371-6607 angela.dalton@pnnl.gov ABOUT FPGI The Future Power Grid

90

Microsoft PowerPoint - Crouther.HumanCapitalInitiatives.042909  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Initiatives Initiatives Presented to the Environmental Management Advisory Board (EMAB) By Desi Crouther, Acting Director Office of Human Capital Office of Environmental Management U.S. Department of Energy April 29, 2009 EM's Strategic Human Capital Framework EM has brought greater focus to its human capital strategies over the past year The three pillars - talent acquisition, leadership succession planning, and performance competence - serve as the major drivers for EM-wide action and results and are aligned to DOE and EM's mission DOE Strategic Plan DOE / EM HC Plan EM Workforce Plan Talent Acquisition Leadership Succession Planning Performance Competence Planning HC Plan / Wkfc. Plan / Recruitment Strategy Implementing LEP/ EMPDC Consulting Liaison Team Liaison Team Liaison Team

91

Climate VISION: Private Sector Initiatives: Electric Power: Resources and  

Office of Scientific and Technical Information (OSTI)

Federal/State Programs Federal/State Programs Biomass Research & Development Initiative The Biomass Research & Development Initiative is a multi-agency effort to coordinate and accelerate all Federal biobased products and bioenergy research and development. Environmental Protection Agency (EPA) EPA's mission is to protect human health and to safeguard the natural environment—air, water, and land—upon which life depends. EPA Climate Leaders Climate Leaders is a voluntary industry-government partnership that encourages companies to develop long-term, comprehensive climate change strategies and set greenhouse gas (GHG) emissions reduction goals. EPA Climate Protection Partnerships Division The division works with businesses, organizations, governments, and consumers to reduce emissions of the greenhouse gases that contribute to

92

Exploration mission enhancements possible with power beaming. [Space Applications Power Beaming  

SciTech Connect

A key factor in the exploration and development of the space frontier is the availability of energy where and when it is needed. Currently all space satellites and platforms include self-contained power systems that supply the energy necessary to accomplish mission objectives. An alternative approach is to couple advanced high power system with energy beam transmitters and energy receivers to form an infrastructure of a space power utility where a central power system provides power to multiple users. Major space activities, such as low Earth orbit space commercialization and the colonization of the Moon or Mars, would benefit significantly from a central power generation and transmission system. This paper describes the power-beaming concept and system components as applied to space power generation and distribution in support of the Space Exploration Initiative. Beam-power scenarios are discussed including commonality of systems and hardware with cargo transport vehicles, power beaming from orbit to stationary and mobile users on the Lunar and Mars surfaces, and other surface applications. 6 refs.

Bamberger, J.A.; Coomes, E.P. (Pacific Northwest Lab., Richland, WA (USA)); Segna, D.R. (USDOE Richland Operations Office, WA (USA))

1990-10-01T23:59:59.000Z

93

Electric Power Infrastructure Reliability and Security (EPIRS) Reseach and Development Initiative  

DOE Green Energy (OSTI)

Power systems have become increasingly complex and face unprecedented challenges posed by population growth, climate change, national security issues, foreign energy dependence and an aging power infrastructure. Increased demand combined with increased economic and environmental constraints is forcing state, regional and national power grids to expand supply without the large safety and stability margins in generation and transmission capacity that have been the rule in the past. Deregulation, distributed generation, natural and man-made catastrophes and other causes serve to further challenge and complicate management of the electric power grid. To meet the challenges of the 21st century while also maintaining system reliability, the electric power grid must effectively integrate new and advanced technologies both in the actual equipment for energy conversion, transfer and use, and in the command, control, and communication systems by which effective and efficient operation of the system is orchestrated - in essence, the 'smart grid'. This evolution calls for advances in development, integration, analysis, and deployment approaches that ultimately seek to take into account, every step of the way, the dynamic behavior of the system, capturing critical effects due to interdependencies and interaction. This approach is necessary to better mitigate the risk of blackouts and other disruptions and to improve the flexibility and capacity of the grid. Building on prior Navy and Department of Energy investments in infrastructure and resources for electric power systems research, testing, modeling, and simulation at the Florida State University (FSU) Center for Advanced Power Systems (CAPS), this project has continued an initiative aimed at assuring reliable and secure grid operation through a more complete understanding and characterization of some of the key technologies that will be important in a modern electric system, while also fulfilling an education and outreach mission to provide future energy workforce talent and support the electric system stakeholder community. Building upon and extending portions of that research effort, this project has been focused in the following areas: (1) Building high-fidelity integrated power and controls hardware-in-the-loop research and development testbed capabilities (Figure 1). (2) Distributed Energy Resources Integration - (a) Testing Requirements and Methods for Fault Current Limiters, (b) Contributions to the Development of IEEE 1547.7, (c) Analysis of a STATCOM Application for Wind Resource Integration, (d) Development of a Grid-Interactive Inverter with Energy Storage Elements, (e) Simulation-Assisted Advancement of Microgrid Understanding and Applications; (3) Availability of High-Fidelity Dynamic Simulation Tools for Grid Disturbance Investigations; (4) HTS Material Characterization - (a) AC Loss Studies on High Temperature Superconductors, (b) Local Identification of Current-Limiting Mechanisms in Coated Conductors; (5) Cryogenic Dielectric Research; and (6) Workshops, education, and outreach.

Rick Meeker; L. Baldwin; Steinar Dale; Alexander Domijan; Davild Larbalestier; Hui Li; Peter McLaren; Sastry Pamidi; Horatio Rodrigo; Michael Steurer

2010-03-31T23:59:59.000Z

94

SunShot Initiative: Concentrating Solar Power Competitive Awards  

NLE Websites -- All DOE Office Websites (Extended Search)

Competitive Awards Competitive Awards Graphic showing five color blocks in a circular formation that represent the technical goals and cost targets for each component in the CSP system along with the associated competitive funding opportunity. Enlarge image DOE funds concentrating solar power (CSP) research and development (R&D) projects through competitive solicitations, which are released for public response as financial opportunity announcements. The following projects represent recent and ongoing research efforts: Concentrating Solar Power R&D (2007) Advanced Heat Transfer Fluids and Novel Thermal Storage Concepts for CSP (2008) CSP ARRA (2009) Baseload (2010) CSP SunShot R&D (2012) MURI HOT Fluids (2012) CSP Heat Integration for Baseload Renewable Energy Deployment (2013)

95

Climate VISION: Private Sector Initiatives: Electric Power: Results  

Office of Scientific and Technical Information (OSTI)

Results Results Results The members of the trade associations that comprise Power PartnersSM, along with the Tennessee Valley Authority (TVA) have long been leaders in voluntary GHG reporting. These efforts are now being supplemented by reporting on GHG emissions intensity under the Climate VISION program. Voluntary Reporting of Greenhouse Gases Electric utilities, power generators, and TVA currently plan to continue reporting their GHG emissions reduction activities under the voluntary program established under section 1605(b) of the Energy Policy Act of 1992 and administered by EIA. This program provides a means for companies, organizations, and individuals who have reduced their emissions to record their accomplishments and share their ideas for future action. GHG

96

Climate VISION: Private Sector Initiatives: Electric Power - Energy  

Office of Scientific and Technical Information (OSTI)

Energy Management Expertise Energy Management Expertise Pumping System Assessment Tool Qualification PSAT helps users assess energy savings opportunities in pumping systems, relying on field measurements of flow rate, head, and either motor power or current to perform the assessment. AIRMaster+ Qualification AirMaster+ provides comprehensive information on assessing compressed AirMaster+ air systems, including modeling, existing and future system upgrades, and savings and effectiveness of energy efficiency measures. Processing Heating Assessment and Survey Tool Qualification (PHAST) PHAST assists users to survey process heating equipment and identify the most energy-intensive equipment and to perform energy (heat) balances on furnaces to identify and reduce non-productive energy use

97

Modular Power Converters for PV Applications  

DOE Green Energy (OSTI)

This report describes technical opportunities to serve as parts of a technological roadmap for Shoals Technologies Group in power electronics for PV applications. There are many different power converter circuits that can be used for solar inverter applications. The present applications do not take advantage of the potential for using common modules. We envision that the development of a power electronics module could enable higher reliability by being durable and flexible. Modules would have fault current limiting features and detection circuits such that they can limit the current through the module from external faults and can identify and isolate internal faults such that the remaining modules can continue to operate with only minimal disturbance to the utility or customer. Development of a reliable, efficient, low-cost, power electronics module will be a key enabling technology for harnessing more power from solar panels and enable plug and play operation. Power electronics for computer power supplies, communication equipment, and transportation have all targeted reliability and modularity as key requirements and have begun concerted efforts to replace monolithic components with collections of common smart modules. This is happening on several levels including (1) device level with intelligent control, (2) functional module level, and (3) system module. This same effort is needed in power electronics for solar applications. Development of modular units will result in standard power electronic converters that will have a lower installed and operating cost for the overall system. These units will lead to increased adaptability and flexibility of solar inverters. Incorporating autonomous fault current limiting and reconfiguration capabilities into the modules and having redundant modules will lead to a durable converter that can withstand the rigors of solar power generation for more than 30 years. Our vision for the technology roadmap is that there is no need for detailed design of new power converters for each new application or installation. One set of modules and controllers can be pre-developed and the only design question would be how many modules need to be in series or parallel for the specific power requirement. Then, a designer can put the modules together and add the intelligent reconfigurable controller. The controller determines how many modules are connected, but it might also ask for user input for the specific application during setup. The modules include protection against faults and can reset it, if necessary. In case of a power device failure, the controller reconfigures itself to continue limited operation until repair which might be as simple as taking the faulty module out and inserting a new module. The result is cost savings in design, maintenance, repair, and a grid that is more reliable and available. This concept would be a perfect fit for the recently announced funding opportunity announcement (DE-FOA-0000653) on Plug and Play Photovoltaics.

Ozpineci, Burak [ORNL; Tolbert, Leon M [ORNL

2012-05-01T23:59:59.000Z

98

Mode Initialization for On-line Estimation of Power System Electromechanical Modes  

SciTech Connect

Measurement-based mode estimation methods are utilized to estimate electromechanical modes of a power system using phasor measurement units (PMU) data. These methods need to extract a certain amount of information before they can give useable mode estimation. Traditionally, the information is gathered solely from measurement data. Priori mode information from other resources (e.g. model eigenvalue analysis, engineering knowledge) are not fully utilized. For real time application, this means that mode estimation takes time to converge. By adding a mode regularization term in the objective function, this paper proposes a mode initialization method to include priori mode information in a regularized robust recursive least squares (R3LS) algorithm for on-line mode estimation. The proposed method is tested using a simple model, a 17 machine model and is shown to be able to shorten the convergence period of the R3LS algorithm. The proposed method is also applied on the measurement data recorded right before a major power outage in the western North American Grid on August 10th 1996 to show its potential applica-tion in detecting an approaching small signal stability problem.

Zhou, Ning; Trudnowski, Daniel; Pierre, John W.

2009-03-18T23:59:59.000Z

99

Microsoft PowerPoint - Gilbertson - Energy Park Initiative Update  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Initiative "Leveraging Assets to increase the Taxpayer's Return on Investment" September 30, 2009 September 30, 2009 Mark A. Gilbertson Deputy Assistant Secretary for Engineering & Technology 2 Energy, Environment & the Economy "So we have a choice to make. We can remain one of the world's leading importers of foreign oil, or we can make the investments that would allow us to become the world's leading exporter of renewable energy. We can let climate change continue to go unchecked, or we can help stop it. We can let the jobs of tomorrow be created abroad, or we can create those jobs right here in America and lay the foundation for lasting prosperity." - President Obama, March 19, 2009 3 Energy, Environment & the Economy * Investing in the Clean Energy Jobs of the Future

100

Initial Activation and Operation of the Power Conditioning System for the National Ignition Facility  

DOE Green Energy (OSTI)

The NIF Power Conditioning System (PCS) resides in four Capacitor Bays, supplying energy to the Master and Power Amplifiers which reside in the two adjacent laser bays. Each capacitor bay will initially house 48 individual power conditioning modules, shown in Figure 2, with space reserved for expansion to 54 modules. The National Ignition Facility (NIF) Power Conditioning System (PCS) is a modular capacitive energy storage system that will be capable of storing nearly 400 MJ of electrical energy and delivering that energy to the nearly 8000 flashlamps in the NIF laser. The first sixteen modules of the power conditioning system have been built, tested and installed. Activation of the first nine power conditioning modules has been completed and commissioning of the first ''bundle'' of laser beamlines has begun. This paper will provide an overview of the power conditioning system design and describe the status and results of initial testing and activation of the first ''bundle'' of power conditioning modules.

Newton, M A; Kamm, R E; Fulkerson, E S; Hulsey, S D; Lao, N; Parrish, G L; Pendleton, D L; Petersen, D E; Polk, M; Tuck, J M; Ullery, G T; Moore, W B

2003-08-20T23:59:59.000Z

Note: This page contains sample records for the topic "initiative application power" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


101

Initial Coupling of the RELAP-7 and PRONGHORN Applications  

SciTech Connect

Modern nuclear reactor safety codes require the ability to solve detailed coupled neutronic- thermal fluids problems. For larger cores, this implies fully coupled higher dimensionality spatial dynamics with appropriate feedback models that can provide enough resolution to accurately compute core heat generation and removal during steady and unsteady conditions. The reactor analysis code PRONGHORN is being coupled to RELAP-7 as a first step to extend RELAPs current capabilities. This report details the mathematical models, the type of coupling, and the testing results from the integrated system. RELAP-7 is a MOOSE-based application that solves the continuity, momentum, and energy equations in 1-D for a compressible fluid. The pipe and joint capabilities enable it to model parts of the power conversion unit. The PRONGHORN application, also developed on the MOOSE infrastructure, solves the coupled equations that define the neutron diffusion, fluid flow, and heat transfer in a full core model. The two systems are loosely coupled to simplify the transition towards a more complex infrastructure. The integration is tested on a simplified version of the OECD/NEA MHTGR-350 Coupled Neutronics-Thermal Fluids benchmark model.

J. Ortensi; D. Andrs; A.A. Bingham; R.C. Martineau; J.W. Peterson

2012-10-01T23:59:59.000Z

102

Fuel Cell Power Plant Experience Naval Applications  

NLE Websites -- All DOE Office Websites (Extended Search)

clean clean Fuel Cell Power Plant Experience Naval Applications US Department of Energy/ Office of Naval Research Shipboard Fuel Cell Workshop Washington, DC March 29, 2011 FuelCell Energy, the FuelCell Energy logo, Direct FuelCell and "DFC" are all registered trademarks (®) of FuelCell Energy, Inc. *FuelCell Energy, Inc. *Renewable and Liquid Fuels Experience *HTPEM Fuel Cell Stack for Shipboard APU *Solid Oxide Experience and Applications DOE-ONR Workshop FuelCell Energy, the FuelCell Energy logo, Direct FuelCell and "DFC" are all registered trademarks (®) of FuelCell Energy, Inc. FuelCell Energy, Inc. * Premier developer of fuel cell technology - founded in 1969 * Over 50 power installations in North America, Europe, and Asia * Industrial, commercial, utility

103

Application Filing Requirements for Wind-Powered Electric Generation...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Wind-Powered Electric Generation Facilities (Ohio) Application Filing Requirements for Wind-Powered Electric Generation Facilities (Ohio) Eligibility Commercial Developer Utility...

104

Research and Development of Proton-Exchange Membrane (PEM) Fuel Cell System for Transportation Applications: Initial Conceptual Design Report  

DOE Green Energy (OSTI)

This report addresses Task 1.1, model development and application, and Task 1.2, vehicle mission definition. Overall intent is to produce a methanol-fueled 10-kW power source, and to evaluate electrochemical engine (ECE) use in transportation. Major achievements include development of an ECE power source model and its integration into a comprehensive power source/electric vehicle propulsion model, establishment of candidate FCV (fuel cell powered electric vehicle) mission requirements, initial FCV studies, and a candidate FCV recommendation for further study.

Not Available

1993-11-30T23:59:59.000Z

105

Isotope powered Stirling generator for terrestrial applications  

SciTech Connect

An electric power supply, small enough to be man-portable, is being developed for remote, terrestrial applications. This system is designed for an operating lifetime of five years without maintenance or refueling. A small Radioisotope Stirling Generator (RSG) has been developed. The energy source of the generator is a 60 watt plutonium-238 fuel clad used in the General Purpose Heat Sources (GPHS) developed for space applications. A free piston Stirling Engine drives a linear alternator to convert the heat to power. The system weighs about 7.5 kg and produces 11 watts AC power with a conversion efficiency of 18.5%. Two engine models have been designed, fabricated, and tested to date: (a) a developmental model instrumented to confirm and test parameters, and (b) an electrically heated model with an electrical heater equipped power input leads. Critical components have been tested for 10,000 to 20,000 hours. One complete generator has been operating for over 11,000 hours. Radioisotope heated prototypes are expected to be fabricated and tested in late 1995.

Tingey, G.L.; Sorensen, G.C. [Pacific Northwest Lab., Richland, WA (United States); Ross, B.A. [Stirling Technology Co., Richland, WA (United States)

1995-01-01T23:59:59.000Z

106

NORTH ANNA POWER STATION RESTART ACTION PLAN (PUBLIC) Initial Action Plan: 10/7/2011  

E-Print Network (OSTI)

The goal of this action plan is to identify and coordinate the agencys ongoing initiatives related to the North Anna Power Station (NAPS) restart decision as a result of the recent seismic event

Tac Nos Me

2011-01-01T23:59:59.000Z

107

Applications of Concentrating Solar Power in Materials Production  

Science Conference Proceedings (OSTI)

Symposium, Alternative Energy Resources for Metals and Materials Production Symposium. Presentation Title, Applications of Concentrating Solar Power in...

108

Advanced Power Batteries for Renewable Energy Applications 3.09  

SciTech Connect

This report describes the research that was completed under project title ?? Advanced Power Batteries for Renewable Energy Applications 3.09, Award Number DE-EE0001112. The report details all tasks described in the Statement of Project Objectives (SOPO). The SOPO includes purchasing of test equipment, designing tooling, building cells and batteries, testing all variables and final evaluation of results. The SOPO is included. There were various types of tests performed during the project, such as; gas collection, float current monitoring, initial capacity, high rate partial state of charge (HRPSoC), hybrid pulse power characterization (HPPC), high rate capacity, corrosion, software modeling and solar life cycle tests. The grant covered a period of two years starting October 1, 2009 and ending September 30, 2011.

Rodney Shane

2011-09-30T23:59:59.000Z

109

Communication Simulations for Power System Applications  

SciTech Connect

New smart grid technologies and concepts, such as dynamic pricing, demand response, dynamic state estimation, and wide area monitoring, protection, and control, are expected to require considerable communication resources. As the cost of retrofit can be high, future power grids will require the integration of high-speed, secure connections with legacy communication systems, while still providing adequate system control and security. While considerable work has been performed to create co-simulators for the power domain with load models and market operations, limited work has been performed in integrating communications directly into a power domain solver. The simulation of communication and power systems will become more important as the two systems become more inter-related. This paper will discuss ongoing work at Pacific Northwest National Laboratory to create a flexible, high-speed power and communication system co-simulator for smart grid applications. The framework for the software will be described, including architecture considerations for modular, high performance computing and large-scale scalability (serialization, load balancing, partitioning, cross-platform support, etc.). The current simulator supports the ns-3 (telecommunications) and GridLAB-D (distribution systems) simulators. Ongoing and future work will be described, including planned future expansions for a traditional transmission solver. A test case using the co-simulator, utilizing a transactive demand response system created for the Olympic Peninsula and AEP gridSMART demonstrations, requiring two-way communication between distributed and centralized market devices, will be used to demonstrate the value and intended purpose of the co-simulation environment.

Fuller, Jason C.; Ciraci, Selim; Daily, Jeffrey A.; Fisher, Andrew R.; Hauer, Matthew L.

2013-05-29T23:59:59.000Z

110

Reducing power consumption during execution of an application on a plurality of compute nodes  

DOE Patents (OSTI)

Methods, apparatus, and products are disclosed for reducing power consumption during execution of an application on a plurality of compute nodes that include: powering up, during compute node initialization, only a portion of computer memory of the compute node, including configuring an operating system for the compute node in the powered up portion of computer memory; receiving, by the operating system, an instruction to load an application for execution; allocating, by the operating system, additional portions of computer memory to the application for use during execution; powering up the additional portions of computer memory allocated for use by the application during execution; and loading, by the operating system, the application into the powered up additional portions of computer memory.

Archer, Charles J.; Blocksome, Michael A.; Peters, Amanda E.; Ratterman, Joseph D.; Smith, Brian E.

2013-09-10T23:59:59.000Z

111

Concentrating Solar Power Commercial Application Study  

E-Print Network (OSTI)

Concentrating Solar Power Technologies............................................... 7 Parabolic Troughs power technologies are described in this report: parabolic troughs, linear Fresnel, power towers, and dish/engine. Parabolic troughs are the most commercially available technology. Linear Fresnel and power

Laughlin, Robert B.

112

Long Island Power Authority - Solar Initiative Feed-in Tariff (New York) |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Solar Initiative Feed-in Tariff (New Solar Initiative Feed-in Tariff (New York) Long Island Power Authority - Solar Initiative Feed-in Tariff (New York) < Back Eligibility Agricultural Commercial Fed. Government Industrial Institutional Local Government Multi-Family Residential Nonprofit Schools State Government Savings Category Solar Buying & Making Electricity Program Info Start Date 07/16/2012 Expiration Date 01/31/2014 State New York Program Type Performance-Based Incentive Rebate Amount Determined through the Clearing Price Auction Provider Long Island Power Authority The Long Island Power Authority's (LIPA) Feed-in Tariff II (FIT II) program provides fixed payments for electricity produced by approved photovoltaic systems over a fixed period of time. The program operates under a sell-all arrangement, where the full amount of energy production from the facility

113

Initial Northwest Power Act Power Sales Contracts : Final Environmental Impact Statement. Volume 1, Environmental Analysis.  

DOE Green Energy (OSTI)

This is volume 1 of the final environmental impact statement of the Bonneville Power Administration Information is included on the following: Purpose of and need for action; alternatives including the proposed action; affected environment; and environmental consequences.

United States. Bonneville Power Administration.

1992-01-01T23:59:59.000Z

114

Initial Application for FAC-C, Purchasing, Financial Assistance...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

& Publications Applications for Certification (Contracting) Policy Flash 2013-54 Acquisition Certification Program Handbook 4th Edition Acquisition Certifications Program Handbook...

115

Selection of Alloys for Power Generation Applications  

Science Conference Proceedings (OSTI)

Table 16   Soft magnetic materials used for transformers...thickness Material mm in. Continuous duty (a) Distribution 0.27 0.011 M-3, M-4 0.30 0.012 M-5 0.35 0.014 M-6 Power 0.30 0.012 M-5 0.35 0.014 M-6 Voltage regulator 0.30 0.012 M-5 0.35 0.014 M-15 0.63 0.025 M-22 Welding transformer 0.30 0.012 M-5 0.35 0.014 M-6 0.63 0.025 M-43, M-36, M-27 Application...

116

MODULAR CONTROL OF FUSION POWER HEATING APPLICATIONS  

SciTech Connect

This work is motivated by the growing demand for auxiliary heating on small and large machines worldwide. Numerous present and planned RF experiments (EBW, Lower Hybrid, ICRF, and ECH) are increasingly complex systems. The operational challenges are indicative of a need for components of real-time control that can be implemented with a moderate amount of effort in a time- and cost-effective fashion. Such a system will improve experimental efficiency, enhance experimental quality, and expedite technological advancements. The modular architecture of this control-suite serves multiple purposes. It facilitates construction on various scales from single to multiple controller systems. It enables expandability of control from basic to complex via the addition of modules with varying functionalities. It simplifies the control implementation process by reducing layers of software and electronic development. While conceived with fusion applications in mind, this suite has the potential to serve a broad range of scientific and industrial applications. During the Phase-I research effort we established the overall feasibility of this modular control-suite concept. We developed the fundamental modules needed to implement open-loop active-control and demonstrated their use on a microwave power deposition experiment.

D.R.Demers

2012-08-24T23:59:59.000Z

117

Cross-Power Spectrum and Its Application  

E-Print Network (OSTI)

Cross-power spectrum is a quadratic estimator between two maps that can provide unbiased estimate of the underlying power spectrum of correlated signals, which is therefore used for extracting the power spectrum in the WMAP data. In this letter we discuss the limit of cross-power spectrum and derive the residual from uncorrelated signal, which is the source of error in power spectrum extraction. We also employed cross-power spectrum to extract window functions from extragalactic point sources.

Chiang, Lung-Yih

2010-01-01T23:59:59.000Z

118

Clean Coal Technology and the Clean Coal Power Initiative | Department of  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Clean Clean Coal Technology and the Clean Coal Power Initiative Clean Coal Technology and the Clean Coal Power Initiative "Clean coal technology" describes a new generation of energy processes that sharply reduce air emissions and other pollutants from coal-burning power plants. In the late 1980s and early 1990s, the U.S. Department of Energy conducted a joint program with industry and State agencies to demonstrate the best of these new technologies at scales large enough for companies to make commercial decisions. More than 20 of the technologies tested in the original program achieved commercial success. The early program, however, was focused on the environmental challenges of the time - primarily concerns over the impact of acid rain on forests and

119

DOE Announces Loan Guarantee Applications for Nuclear Power Plant  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Loan Guarantee Applications for Nuclear Power Plant Loan Guarantee Applications for Nuclear Power Plant Construction DOE Announces Loan Guarantee Applications for Nuclear Power Plant Construction October 2, 2008 - 3:43pm Addthis WASHINGTON, DC - The U.S. Department of Energy (DOE) today announced it has received 19 Part I applications from 17 electric power companies for federal loan guarantees to support the construction of 14 nuclear power plants in response to its June 30, 2008 solicitation. The applications reflect the intentions of those companies to build 21 new reactors, with some applications covering two reactors at the same site. All five reactor designs that have been certified, or are currently under review for possible certification, by the Nuclear Regulatory Commission (NRC) are represented in the Part I applications. DOE also has received Part I

120

Design Concept and Application of Small Nuclear Power Reactor  

Science Conference Proceedings (OSTI)

The outline of the recent design concepts and those features of the small nuclear power rector are described, including specifications, present design status, application and so on.

Minato, Akio [CRIEPI, Central Research Institute of Electric Power Industry, Tokyo (Japan); Sekimoto, Hiroshi [Center for Research into Innovative Nuclear Energy Systems (CRINES) Tokyo Institute of Technology 2-12-1, Ookayama, Meguro-ku, Tokyo, 152-8550 (Japan)

2009-03-31T23:59:59.000Z

Note: This page contains sample records for the topic "initiative application power" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


121

Application Filing Requirements for Wind-Powered Electric Generation  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Application Filing Requirements for Wind-Powered Electric Application Filing Requirements for Wind-Powered Electric Generation Facilities (Ohio) Application Filing Requirements for Wind-Powered Electric Generation Facilities (Ohio) < Back Eligibility Commercial Developer Utility Investor-Owned Utility Municipal/Public Utility Rural Electric Cooperative Savings Category Wind Buying & Making Electricity Program Info State Ohio Program Type Siting and Permitting Provider Ohio Power Siting Board Chapter 4906-17 of the Ohio Administrative Code states the Application Filing Requirements for wind-powered electric generating facilities in Ohio. The information requested in this rule shall be used to assess the environmental effects of the proposed facility. An applicant for a certificate to site a wind-powered electric generation

122

DOE Announces Loan Guarantee Applications for Nuclear Power Plant  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

DOE Announces Loan Guarantee Applications for Nuclear Power Plant DOE Announces Loan Guarantee Applications for Nuclear Power Plant Construction DOE Announces Loan Guarantee Applications for Nuclear Power Plant Construction October 2, 2008 - 3:43pm Addthis WASHINGTON, DC - The U.S. Department of Energy (DOE) today announced it has received 19 Part I applications from 17 electric power companies for federal loan guarantees to support the construction of 14 nuclear power plants in response to its June 30, 2008 solicitation. The applications reflect the intentions of those companies to build 21 new reactors, with some applications covering two reactors at the same site. All five reactor designs that have been certified, or are currently under review for possible certification, by the Nuclear Regulatory Commission (NRC) are

123

Growth of fuel cell applications for specialty vehicles, portable power, auxiliary power, backup power, and stationary power are expected to generate a range of new jobs in the  

E-Print Network (OSTI)

Growth of fuel cell applications for specialty vehicles, portable power, auxiliary power, backup engineers · Power plant operators · Power plant maintenance staff · Bus, truck and other fleet drivers power, and stationary power are expected to generate a range of new jobs in the near term

124

Thermoelectric Applications to Truck Essential Power  

DOE Green Energy (OSTI)

The subjects covered in this report are: thermoelectrics, 1-kW generator for diesel engine; self-powered heater; power for wireless data transmission; and quantum-well thermoelectrics.

John C. Bass; Norbert B. Elsner

2001-12-12T23:59:59.000Z

125

Wireless power transmission for medical applications  

E-Print Network (OSTI)

We studied the wireless power transmission capabilities of microwave through human skin-tissue. Microwave transmission through simulated human skins was tested with rectenna array as a power receiver located under the ...

Payne, Joshua E.

126

Power Supply Maintenance and Application Guide  

Science Conference Proceedings (OSTI)

Instrument power supplies are very reliable; however, there is limited information that ties together operating history, maintenance practices, and data associated with repairing versus replacing power supplies. Also, the issue of equipment obsolescence affects many of the considerations associated with making power supply maintenance decisions.

2001-12-21T23:59:59.000Z

127

Primer on Wind Power for Utility Applications  

SciTech Connect

The wind industry still faces many market barriers, some of which stem from utilities' lack of experience with the technology. Utility system operators and planners need to understand the effects of fluctuating wind power on system regulation and stability. Without high-frequency wind power data and realistic wind power plant models to analyze the problem, utilities often rely on conservative assumptions and worst-case scenarios to make engineering decisions. To remedy the situation, the National Renewable Energy Laboratory (NREL) has undertaken a project to record long-term, high-resolution (1-hertz [Hz]) wind power output data from large wind power plants in various regions. The objective is to systematically collect actual wind power data from large commercial wind power plants so that wind power fluctuations, their frequency distribution, the effects of spatial diversity, and the ancillary services of large commercial wind power plants can be analyzed. It also aims to provide the industry with nonproprietary wind power data in different wind regimes for system planning and operating impact studies. This report will summarize the results of data analysis performed at NREL and discuss the wind power characteristics related to power system operation and planning.

Wan, Y.

2005-12-01T23:59:59.000Z

128

Primer on Wind Power for Utility Applications  

DOE Green Energy (OSTI)

The wind industry still faces many market barriers, some of which stem from utilities' lack of experience with the technology. Utility system operators and planners need to understand the effects of fluctuating wind power on system regulation and stability. Without high-frequency wind power data and realistic wind power plant models to analyze the problem, utilities often rely on conservative assumptions and worst-case scenarios to make engineering decisions. To remedy the situation, the National Renewable Energy Laboratory (NREL) has undertaken a project to record long-term, high-resolution (1-hertz [Hz]) wind power output data from large wind power plants in various regions. The objective is to systematically collect actual wind power data from large commercial wind power plants so that wind power fluctuations, their frequency distribution, the effects of spatial diversity, and the ancillary services of large commercial wind power plants can be analyzed. It also aims to provide the industry with nonproprietary wind power data in different wind regimes for system planning and operating impact studies. This report will summarize the results of data analysis performed at NREL and discuss the wind power characteristics related to power system operation and planning.

Wan, Y.

2005-12-01T23:59:59.000Z

129

Clean Coal Power Initiative Round 1 Demonstration Projects Applying Advanced Technologies to Lower Emissions  

NLE Websites -- All DOE Office Websites (Extended Search)

7 JUNE 2012 7 JUNE 2012 Clean Coal Power Initiative Round 1 Demonstration Projects Applying Advanced Technologies to Lower Emissions and Improve Efficiency 2 Cover Photos: * Top left: Great River Energy's Coal Creek Station * Top right: We Energy's Presque Isle Power Plant * Bottom: Dynegy's Baldwin Energy Complex A report on three projects conducted under separate cooperative agreements between the U.S. Department of Energy and: * Great River Energy * NeuCo. , Inc. * WeEnergies 3 Executive Summary 4 Clean Coal Technology Demonstration Program 5 CCPI Program 6 Demonstration of Integrated Optimization Software at

130

High-power copper vapour lasers and applications  

Science Conference Proceedings (OSTI)

Expanded applications of copper vapor lasers has prompted increased demand for higher power and better beam quality. This paper reports recent progress in laser power scaling, MOPA operation, beam quality improvement, and applications in precision laser machining. Issues such as gas heating, radial delay, discharge instability, and window heating will also be discussed.

Chang, J.J.; Warner, B.E.; Boley, C.D.; Dragon, E.P.

1995-08-01T23:59:59.000Z

131

Proceedings of Power Quality Applications 2003: North America  

SciTech Connect

EPRI's Power Quality Applications (PQA) 2003: North America Conference and Exhibition took place on June 2 to 4, 2003 at the Monterey Plaza Hotel in Monterey, California. The conference featured an exhibition of power quality equipment and solutions for power producers and their customers. This CD contains the proceedings of that conference.

2003-06-01T23:59:59.000Z

132

Study of supercapacitor in the application of power electronics  

Science Conference Proceedings (OSTI)

The purpose of this paper is to carry out a comprehensive study of supercapacitor in the application of power electronics. According to the practical demand and feasibility of power electronics, the modelling, voltage management and topology of supercapacitor-based ... Keywords: ESR, capacitance, power electronics, supercapacitor, voltage-balancing

Yi Cheng Zhang; Li Wei; Xiaojun Shen; Haiquan Liang

2009-06-01T23:59:59.000Z

133

SiC Power Devices and Applications  

Science Conference Proceedings (OSTI)

PPG has been a supplier of power transistors and diodes to many market ... semi- cap, solar/wind, medical, military/aerospace, and data/communications.

134

Thulium heat sources for space power applications  

DOE Green Energy (OSTI)

Reliable power supplies for use in transportation and remote systems will be an important part of space exploration terrestrial activities. A potential power source is available in the rare earth metal, thulium. Fuel sources can be produced by activating Tm-169 targets in the space station reactor. The resulting Tm-170 heat sources can be used in thermoelectric generators to power instrumentation and telecommunications located at remote sites such as weather stations. As the heat source in a dynamic Sterling or Brayton cycle system, the heat source can provide a lightweight power source for rovers or other terrestrial transportation systems.

Alderman, C.J.

1992-05-01T23:59:59.000Z

135

Initiated chemical vapor deposition of polymeric thin films : mechanism and applications  

E-Print Network (OSTI)

Initiated chemical vapor deposition (iCVD) is a novel technique for depositing polymeric thin films. It is able to deposit thin films of application-specific polymers in one step without using any solvents. Its uniqueness ...

Chan, Kelvin, Ph. D. Massachusetts Institute of Technology

2005-01-01T23:59:59.000Z

136

Deep Frying: Chemistry, Nutrition and Practical ApplicationsChapter 3 Initial Quality of Frying Oil  

Science Conference Proceedings (OSTI)

Deep Frying: Chemistry, Nutrition and Practical Applications Chapter 3 Initial Quality of Frying Oil Food Science Health Nutrition Biochemistry eChapters Food Science & Technology Health - Nutrition - Biochemistry Press ...

137

A dynamic isotope power system for Space Exploration Initiative surface transport systems  

Science Conference Proceedings (OSTI)

The Dynamic Isotope Power System (DIPS) Demonstration Program, sponsored by the U.S. Department of Energy with support funding from NASA, is currently focused on the development of a standardized 2.5-kWe portable generator for multiple applications on the lunar or Martian surface. A variety of remote and mobile potential applications have been identified by NASA, including surface rovers for both short- and extended-duration missions, remote power to science packages, and backup to central base power. Recent work focused on refining the 2.5-kWe design and emphasizing the compatibility of the system with potential surface transport systems. Work included an evaluation of the design to ensure compatibility with the Martian atmosphere while imposing only a minor mass penalty on lunar operations. Additional work included a study performed to compare the DIPS with regenerative fuel cell systems for lunar mobile and remote power systems. Power requirements were reviewed and a modular system chosen for the comparison. 4 refs.

Hunt, M.E.; Harty, R.B.; Cataldo, R. (Rockwell International Corp., Rocketdyne Div., Canoga Park, CA (United States) NASA, Lewis Research Center, Cleveland, OH (United States))

1992-03-01T23:59:59.000Z

138

Initial Evaluation of a New Electromechanical Cooler for Safeguards Applications  

SciTech Connect

The use of liquid nitrogen (LN{sub 2}) constitutes the current state of the art in cryogenic cooling for high-purity germanium (HPGe) detectors, which are widely used for {gamma}-ray and characteristic X-ray spectroscopy because of their excellent energy discrimination. Use of LN{sub 2} requires a liquid nitrogen supply, cumbersome storage tanks and plumbing, and the frequent attention of personnel to be sure that nitrogen levels are sufficient to maintain the detectors at a sufficiently low operating temperature. Safety hazards also are associated with the use of LN{sub 2}, both because of the potential for severe frostbite on exposure to skin and because it displaces ambient oxygen when it evaporates in closed spaces. Existing electromechanical coolers have, until now, been more expensive to procure and maintain than LN{sub 2} systems. Performance and reliability have also been serious issues because of microphonic degradation of photon energy peak resolution and cooler failures due to compressor oil becoming entrained in the refrigerant. This report describes the results of tests of a new HPGe detector cooling technology, the PerkinElmer ORTEC{reg_sign} Products X-Cooler{trademark} that, according to the manufacturer, significantly reduces the lifetime cost of the cooling system without degradation of the output signal. The manufacturer claims to have overcome cost, performance and reliability problems of older-generation electromechanical coolers, but the product has no significant history of use, and this project is the first independent evaluation of its performance for Total cost savings for the DOE and other agencies that use HPGe systems extensively for safeguards monitoring is expected to be quite significant if the new electromechanical cooler technology is shown to be reliable and if performance characteristics indicate its usefulness for this application. The technology also promises to make HPGe monitoring, characterization and detection available for unattended or covert operation and in remote or inaccessible locations where the unavailability of LN{sub 2} and signal degradation from existing mechanical coolers prevent its use at the present time.

Coleman, RL

2002-10-21T23:59:59.000Z

139

Power line communications for smart grid applications  

Science Conference Proceedings (OSTI)

Power line communication, that is, using the electricity infrastructure for data transmission, is experiencing a renaissance in the context of Smart Grid. Smart Grid objectives include the integration of intermittent renewable energy sources into the ...

Lars Torsten Berger, Andreas Schwager, J. Joaqun Escudero-Garzs

2013-01-01T23:59:59.000Z

140

Thermal spray applications for power plant components  

Science Conference Proceedings (OSTI)

Power plants usually are located near water and many are in salt water environments. Corrosion occurring in these environments is a problem often solved with thermal spray coatings. The use of thermal spray aluminum and zinc in three power plants for various components is reviewed. Special emphasis is on the cooling tower at the Seabrook, New Hampshire plant. A guide to selection of the coating and process also is given.

Sampson, E.R.

2000-03-01T23:59:59.000Z

Note: This page contains sample records for the topic "initiative application power" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


141

Strategic defense initiative  

DOE Green Energy (OSTI)

This collection of vugraphs states that space power reactors, neutral beams, and flywheel energy storage technologies are important areas to be investigated for application to the strategic defense initiative. (JDH)

Nichols, J.P.

1986-01-01T23:59:59.000Z

142

Electric Power Industry Needs for Grid-Scale Storage Applications |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Industry Needs for Grid-Scale Storage Applications Industry Needs for Grid-Scale Storage Applications Electric Power Industry Needs for Grid-Scale Storage Applications Stationary energy storage technologies will address the growing limitations of the electricity infrastructure and meet the increasing demand for renewable energy use. Widespread integration of energy storage devices offers many benefits, including the following: Alleviating momentary electricity interruptions Meeting peak demand Postponing or avoiding upgrades to grid infrastructure Facilitating the integration of high penetrations of renewable energy Providing other ancillary services that can improve the stability and resiliency of the electric grid Electric Power Industry Needs for Grid-Scale Storage Applications More Documents & Publications

143

Optical Isolation Transformer for Pulsed Power Applications  

DOE Green Energy (OSTI)

Described is a system that can provide electrical power to stacks of switching circuits while maintaining exceptional isolation between high voltage planes. High power laser diode bars are used to illuminate highly efficient photovoltaic cells. This is accomplished using efficient and cost-effective lens ducts and optical fiber segments. Such a system can be very efficient in transmitting optical power to the photocell. Using a glass lens duct we can achieve a theoretical isolation of 200 kV using a unit no bigger than a conventional dc-dc converter with isolation of only 50 kV. The trade off being total electrical efficiency, which is predicted to still be as high as 44 percent.

Matthew J. Heino

1999-08-01T23:59:59.000Z

144

BioPower Application (United States) | Open Energy Information  

Open Energy Info (EERE)

BioPower Application (United States) BioPower Application (United States) Jump to: navigation, search Tool Summary LAUNCH TOOL Name: BioPower Application (United States) Focus Area: Ethanol Topics: Potentials & Scenarios Website: rpm.nrel.gov/biopower/biopower/launch Equivalent URI: cleanenergysolutions.org/content/biopower-application-united-states,ht Language: English Policies: Deployment Programs DeploymentPrograms: Demonstration & Implementation BioPower is an interactive map for comparing biomass feedstocks and biopower by location. This tool helps users select from and apply biomass data layers to a map as well as query and download biopower and feedstock data. The analysis function offers common conversion factors that allow users to determine the potential biopower production for a selected

145

ORC Scroll Turbine and its Applications for Micro Power Generation  

NLE Websites -- All DOE Office Websites (Extended Search)

Us Department Contacts Media Contacts ORC Scroll Turbine and its Applications for Micro Power Generation Speaker(s): Malick Kane Date: October 17, 2002 - 12:00pm Location: Bldg....

146

Advanced filters and components for power applications  

E-Print Network (OSTI)

The objective of this thesis is to improve the high frequency performance of components and filters by better compensating the parasitic effects of practical components. The main application for this improvement is in ...

Neugebauer, Timothy Carl, 1975-

2004-01-01T23:59:59.000Z

147

Heat pipe reactors for space power applications  

SciTech Connect

A family of heat pipe reactors design concepts has been developed to provide heat to a variety of electrical conversion systems. Three power plants are described that span the power range 1-500 kW(e) and operate in the temperature range 1200 to 1700/sup 0/K. The reactors are fast, compact, heat-pipe cooled, high-temperature nuclear reactors fueled with fully enriched refractory fuels, UC-ZrC or UO/sub 2/. Each fuel element is cooled by an axially located molybdenum heat pipe containing either sodium or lithium vapor.

Koenig, D.R.; Ranken, W.A.; Salmi, E.W.

1977-01-01T23:59:59.000Z

148

On-Line Monitoring Plant Performance Applications at Bruce Power  

Science Conference Proceedings (OSTI)

This report describes a pilot application to develop an on-line monitoring (OLM) program for eight units at the Bruce Power nuclear power facility in Tiverton, Ontario, Canada. The ongoing pilot project, the implementation of which began in April 2011, ...

2012-10-25T23:59:59.000Z

149

Nuclear Power Plant Fire-Modeling Applications Guide  

Science Conference Proceedings (OSTI)

This report replaces EPRI 1002981, Fire Modeling Guide for Nuclear Power Plant Applications, August 2002, as guidance for fire-modeling practitioners in nuclear power plants (NPPs). The report has benefited from insights gained since 2002 on the predictive capability of selected fire models to improve confidence in the use of fire modeling in NPP decision-making.

2009-12-22T23:59:59.000Z

150

Duke Energy's Transmission Roadmap Initiative  

Science Conference Proceedings (OSTI)

Duke Energy's Transmission Roadmap Initiative advances a vision for development of a power delivery communications and automation infrastructure. The initiative describes performance of a communications upgrade to substations, implementation of select technologies and applications, and integration of enterprise applications, databases, and systems. This report provides a comprehensive view of Duke's Transmission Roadmap Initiative, with a complete technology assessment, infrastructure overview, and discu...

2009-09-18T23:59:59.000Z

151

Fossil Power Plant Applications of Expert Systems: An EPRI Perspective  

E-Print Network (OSTI)

During the past decade, the field of artificial intelligence (AI) has witnessed tremendous growth. In particular, knowledge-based expert systems have quickly come to fore as one of the fastest growing subfields of AI. In this presentation we discuss the role of expert systems in the electric power industry, with particular emphasis on six fossil power plant applications currently under development by the Electric Power Research Institute.

Divakaruni, S. M.

1989-09-01T23:59:59.000Z

152

Analysis of three-dimensional splines and their application to the initial graphics exchange specification  

Science Conference Proceedings (OSTI)

This research develops the fundamental theories associated with three-dimensional splines and the philosophies underlying the Initial Graphics Exchange Specification (IGES). Splines have been classified into three main categories: polynomial splines, splines-in-tension, and blending splines. The importance of a three-dimensional spline standard is given. It is shown that no single spline routine can adequately define a curve for every possible application. A possible three-dimensional spline standard should therefore contain a spline routine from each of the three categories. The B-spline, Cline's spline-in-tension, and Circle Spline were the three spline routines selected. The properties and characteristics that these splines should possess are defined. Two methods for extending a two-dimensional spline into three dimensions are given. The B-spline is extended parametrically and the Spline-in-Tension is extended explicitly. It will be shown that the parametric form is the more powerful and computationally efficient method. An alternative method for representing splines in IGES is presented. This alternate method uses the IGES Copious Data Entity. It has a smaller file size than the traditionally used Parametric Spline Curve Entity. The use of this method is geared toward the application of splines in design and analysis work. The data stored within the file by each spline routine represents the minimum amount of information required to uniquely define the spline curve. The alternative method for storing and transferring spline data is structured in a manner that allows each spline routine to read and write files efficiently. Using this data file, a spline routine can generate a curve by reading the output of another spline routine. It will be demonstrated that spline transfer between both similar and dissimilar spline routines can be done accurately and efficiently. 72 refs., 16 figs.

Dolin, R.M.

1985-08-01T23:59:59.000Z

153

A distributed smart application for solar powered WSNs  

Science Conference Proceedings (OSTI)

Energy harvesting (EH) is a major step in solving the critical issue of availability of energy for sensor nodes. However, it throws many challenges. The applications built on the sensor networks powered by EH need to adapt their operations yet serve ... Keywords: distributed smart application, energy harvested wireless sensor network (EHWSN), multi-criteria optimization

T. V. Prabhakar; S. N. Akshay Uttama Nambi; R. Venkatesha Prasad; S. Shilpa; K. Prakruthi; Ignas Niemegeers

2012-05-01T23:59:59.000Z

154

Quantifying Turbulence for Tidal Power Applications  

SciTech Connect

Using newly collected data from a tidal power site in Puget Sound, WA, metrics for turbulence quantification are assessed and discussed. The quality of raw ping Acoustic Doppler Current Profiler (ADCP) data for turbulence studies is evaluated against Acoustic Doppler Velocimeter (ADV) data at a point. Removal of Doppler noise from the raw ping data is shown to be a crucial step in turbulence quantification. Excluding periods of slack tide, the turbulent intensity estimates at a height of 4.6 m above the seabed are 8% and 11% from the ADCP and ADV, respectively. Estimates of the turbulent dissipation rate are more variable, from 10e-3 to 10e-1 W/m^3. An example analysis of coherent Turbulent Kinetic Energy (TKE) is presented.

Thomson, Jim; Richmond, Marshall C.; Polagye, Brian; Durgesh, Vibhav

2010-08-01T23:59:59.000Z

155

Advanced Sensor Diagnostics in Nuclear Power Plant Applications  

NLE Websites -- All DOE Office Websites (Extended Search)

Sensor Diagnostics in Nuclear Power Plant Applications Sensor Diagnostics in Nuclear Power Plant Applications R.B. Vilim Argonne National Laboratory Sensor degradation occurs routinely during nuclear power plant operation and can contribute to reduced power production and less efficient plant operation. Mechanisms include drift of sensor electronics and mechanical components, fouling and erosion of flow meter orifice plates, and general degradation of thermocouples. One solution to this problem is the use of higher quality instrumentation and of physical redundancy. This, however, increases plant cost and does not address the degradation problem in a fundamental way. An alternative approach is to use signal processing algorithms to detect a degraded sensor and to construct a replacement value using an

156

Environmental and industrial applications of pulsed power systems  

SciTech Connect

The technology base formed by the development of high peak power simulators, laser drivers, free electron lasers (FEL`s), and Inertial Confinement Fusion (ICF) drivers from the early 60`s through the late 80`s is being extended to high average power short-pulse machines with the capabilities of performing new roles in environmental cleanup applications and in supporting new types of industrial manufacturing processes. Some of these processes will require very high average beam power levels of hundreds of kilowatts to perhaps megawatts. In this paper we briefly discuss new technology capabilities and then concentrate on specific application areas that may benefit from the high specific energies and high average powers attainable with short-pulse machines.

Neau, E.L.

1993-10-01T23:59:59.000Z

157

PEM fuel cells for transportation and stationary power generation applications  

Science Conference Proceedings (OSTI)

We describe recent activities at LANL devoted to polymer electrolyte fuel cells in the contexts of stationary power generation and transportation applications. A low cost/high performance hydrogen or reformate/air stack technology is being developed based on ultralow Pt loadings and on non-machined, inexpensive elements for flow-fields and bipolar plates. On board methanol reforming is compared to the option of direct methanol fuel cells because of recent significant power density increases demonstrated in the latter.

Cleghorn, S.J.; Ren, X.; Springer, T.E.; Wilson, M.S.; Zawodzinski, C.; Zawodzinski, T.A. Jr.; Gottesfeld, S.

1996-05-01T23:59:59.000Z

158

Analysis of silicon carbide based semiconductor power devices and their application in power factor correction  

E-Print Network (OSTI)

Recent technological advances have allowed silicon (Si) semiconductor technology to approach the theoretical limits of the Si material; however, power device requirements for many applications are at a stage that the present Si-based power devices cannot handle. The requirements include higher blocking voltages, switching frequencies, efficiency, and reliability. Material technologies superior to Si are needed for future power device developments. Silicon Carbide (SiC) based semiconductor devices offer one such alternative. SiC based power devices exhibit superior properties such as very low switching losses, fast switching behavior, improved reliability and high temperature operation capabilities. Power factor correction stage of power supplies is identified as an area where application of these devices would prove advantageous. In this thesis a high performance, high efficiency, SiC based power factor correction stage is discussed. The proposed topology takes advantage of the superior properties of SiC semiconductor based devices and the reduced number of devices that the dual boost power factor correction topology requires to achieve high efficiency, small size and better performance at high temperature. In addition to this analysis of SiC based power devices is carried out to study their characteristics and performance.

Durrani, Yamin Qaisar

2005-08-01T23:59:59.000Z

159

On-Line Monitoring Plant Performance Applications at Bruce Power  

Science Conference Proceedings (OSTI)

On-line monitoring (OLM) and advanced pattern recognition (APR) capabilities have advanced significantly over the past few years. Many utilities now have basic or advanced applications available within plants and across generating fleets. However, the effective use and integration of these capabilities into established plant reliability processes are still minimal. This OLM applications pilot project was implemented in April 2011 at the Bruce Power Nuclear Generating facility in Tiverton, Ontario, Canada...

2012-01-23T23:59:59.000Z

160

Power Efficiency through Application-Specific Instruction Memory Transformations  

E-Print Network (OSTI)

The instruction memory communication path constitutes a significant amount of power consumption in embedded processors. We propose an encoding technique that exploits application information to reduce the associated power consumption. The microarchitectural support enables reprogrammability of the encoding transformations so as to track code particularities effectively. The restriction to functional transformations enables effective coding while delivering major power savings, in the process obviating furthermore the necessity to rely on dictionary lookup, one of the major shortcomings of prior approaches. The frugal functional transformation, reliant on a single bit logic gate, introduces no impact to the critical fetch stage of the processor pipeline while delivering fully all the theoretically achievable power savings. The reprogrammable hardware implementation enables flexible and inexpensive switches between the transformations. Extensive experimental results on numerical and DSP codes confirm the theoretically expected magnitude of power savings, evincing reductions that range up to half of the original transitions.

Peter Petrov; Alex Orailoglu

2003-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "initiative application power" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


161

Application of reactor-pumped lasers to power beaming  

SciTech Connect

Power beaming is the concept of centralized power generation and distribution to remote users via energy beams such as microwaves or laser beams. The power beaming community is presently performing technical evaluations of available lasers as part of the design process for developing terrestrial and space-based power beaming systems. This report describes the suitability of employing a nuclear reactor-pumped laser in a power beaming system. Although there are several technical issues to be resolved, the power beaming community currently believes that the AlGaAs solid-state laser is the primary candidate for power beaming because that laser meets the many design criteria for such a system and integrates well with the GaAs photodiode receiver array. After reviewing the history and physics of reactor-pumped lasers, the advantages of these lasers for power beaming are discussed, along with several technical issues which are currently facing reactor-pumped laser research. The overriding conclusion is that reactor-pumped laser technology is not presently developed to the point of being technially or economically competitive with more mature solid-state technologies for application to power beaming. 58 refs.

Repetti, T.E.

1991-10-01T23:59:59.000Z

162

Thermal Performance and Reliability of Bonded Interfaces for Power Electronics Packaging Applications (Presentation)  

SciTech Connect

This presentation discusses the thermal performance and reliability of bonded interfaces for power electronics packaging applications.

Devoto, D.

2013-07-01T23:59:59.000Z

163

Microsoft PowerPoint - Ron Blakely MSI Session White House Initiative...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

House Initiative White House Initiative on Historically Black on Historically Black Colleges and Colleges and Universities Universities US Dept of Energy US Dept of Energy US Dept...

164

Rating batteries for initial capacity, charging parameters and cycle life in the photovoltaic application  

SciTech Connect

Stand-alone photovoltaic (PV) systems typically depend on battery storage to supply power to the load when there is cloudy weather or no sun. Reliable operation of the load is often dependent on battery performance. This paper presents test procedures for lead-acid batteries which identify initial battery preparation, battery capacity after preparation, charge regulation set-points, and cycle life based on the operational characteristics of PV systems.

Harrington, S.R. [Ktech Corp., Albuquerque, NM (United States); Hund, T.D. [Sandia National Labs., Albuquerque, NM (United States)

1995-11-01T23:59:59.000Z

165

Reducing power consumption during execution of an application on a plurality of compute nodes  

DOE Patents (OSTI)

Methods, apparatus, and products are disclosed for reducing power consumption during execution of an application on a plurality of compute nodes that include: executing, by each compute node, an application, the application including power consumption directives corresponding to one or more portions of the application; identifying, by each compute node, the power consumption directives included within the application during execution of the portions of the application corresponding to those identified power consumption directives; and reducing power, by each compute node, to one or more components of that compute node according to the identified power consumption directives during execution of the portions of the application corresponding to those identified power consumption directives.

Archer, Charles J. (Rochester, MN); Blocksome, Michael A. (Rochester, MN); Peters, Amanda E. (Rochester, MN); Ratterman, Joseph D. (Rochester, MN); Smith, Brian E. (Rochester, MN)

2012-06-05T23:59:59.000Z

166

Initial assessment: electromagnetic compatibility aspects of proposed SPS Microwave Power Transmission System (MPTS) operations  

DOE Green Energy (OSTI)

An analysis of major concerns with regard to the effects on radio and electronic systems by the proposed Microwave Power Transmission System for transmitting power from a satellite solar power station to earth is presented. (LCL)

Not Available

1978-02-01T23:59:59.000Z

167

Stream computing based synchrophasor application for power grids  

Science Conference Proceedings (OSTI)

This paper proposes an application of stream computing analytics framework to high speed synchrophasor data for real time monitoring and control of electric grid. High volume streaming synchrophasor data from geographically distributed grid sensors (namely, ... Keywords: power grid, stream computing, synchrophasor, voltage stability

Jagabondhu Hazra; Kaushik Das; Deva P. Seetharam; Amith Singhee

2011-11-01T23:59:59.000Z

168

Advanced Power Supply Demonstration: High Frequency Power Supplies for Electrostatic Precipitator (ESP) Applications  

Science Conference Proceedings (OSTI)

New, high frequency supplies to power electrostatic precipitators (ESPs) are being introduced to the utility industry. These power supplies are smaller, lighter, and more versatile than the 60-Hz supplies they replace. As with so many new technologies, a number of problems have been encountered in some of the early applications. This report describes the principles of operation, the advantages and disadvantages, and the state of development of the new technology.

2004-03-23T23:59:59.000Z

169

Application of Newton's optimal power flow in voltage/reactive power control  

Science Conference Proceedings (OSTI)

This paper considers an application of Newton's optimal power flow to the solution of the secondary voltage/reactive power control in transmission networks. An efficient computer program based on the latest achievements in the sparse matrix/vector techniques has been developed for this purpose. It is characterized by good robustness, accuracy and speed. A combined objective function appropriate for various system load levels with suitable constraints, for treatment of the power system security and economy is also proposed. For the real-time voltage/reactive power control, a suboptimal power flow procedure has been derived by using the reduced set of control variables. This procedure is based on the sensitivity theory applied to the determination of zones for the secondary voltage/reactive power control and corresponding reduced set of regulating sources, whose reactive outputs represent control variables in the optimal power flow program. As a result, the optimal power flow program output becomes a schedule to be used by operators in the process of the real-time voltage/reactive power control in both normal and emergency operating states.

Bjelogrlic, M.; Babic, B.S. (Electric Power Board of Serbia, Belgrade (YU)); Calovic, M.S. (Dept. of Electrical Engineering, University of Belgrade, Belgrade (YU)); Ristanovic, P. (Institute Nikola Tesla, Belgrade (YU))

1990-11-01T23:59:59.000Z

170

Initial Northwest Power Act Power Sales Contracts : Final Environmental Impact Statement. Volume 2, Appendices A--L.  

DOE Green Energy (OSTI)

This report consists of appendices A-L of the final environmental impact statement for the Bonneville Power Administration. The appendices provide information on the following: Ninth circuit Court opinion in Forelaws on Board v. Johnson; guide to Northwest Power act contracts; guide to hydro operations; glossary; affected environment supporting documentation; environmental impacts of generic resource types; information on models used; technical information on analysis; public involvement activities; bibliography; Pacific Northwest Electric Power Planning and Conservation Act; and biological assessment. (CBS)

United States. Bonneville Power Administration.

1992-01-01T23:59:59.000Z

171

Initial Northwest Power Act Power Sales Contracts : Final Environmental Impact Statement. Volume 3, Appendix M, Contract Copies.  

DOE Green Energy (OSTI)

This report, is part of the final environmental impact statement of the Bonneville Power Administration, consists of an appendix of contract copies related to the following: Detailed Index to Generic Utility Power Sales Contracts, Text of Generic Utility Contract, Detailed Index to Generic DSI Power Sales Contracts, Text of Generic DSI Contract, Text of Residential Purchase and Sale Agreement (Residential Exchange), and Detailed Index to General Contract Provisions -- GCP Form PSC-2 (Incorporated into all three types of contracts as an Exhibit).

United States. Bonneville Power Administration.

1992-01-01T23:59:59.000Z

172

Some new applications of supercapacitors in power electronic systems  

E-Print Network (OSTI)

This thesis explores some new applications in power electronics for supercapacitors. This involves the design and development of dc-dc converters to interface the supercapacitor banks with the rest of the power electronic system. Two applications for supercapacitors are proposed and analyzed. The first application is aimed at high power applications such as motor drives. The proposed approach compensates the effect of voltage sags in the dc link of typical adjustable speed drives, thus reducing speed fluctuations in the motor and eliminating the possibility of nuisance tripping on the drive control board. The second approach presented in this thesis explores the use of supercapacitors to extend run-time for mobile devices such as laptop computers and hand held devices. Three possible approaches are explored: a) Supercapacitors connected directly across the battery; b) Battery-inductor-supercapacitor connection; and c) Supercapacitor, and battery connected via a DC-DC converter. Analytical models, simulation and experimental results on a typical laptop computer are presented.

Palma Fanjul, Leonardo Manuel

2003-08-01T23:59:59.000Z

173

Supervision Application for the New Power Supply of the CERN PS (POPS)  

E-Print Network (OSTI)

The power supply system for the magnets of the CERN PS has been recently upgraded to a new system called POPS (POwer for PS). The old mechanical machine has been replaced by a system based on capacitors. The equipments as well as the low level controls have been provided by an external company (CONVERTEAM). The supervision application has been developed at CERN reusing the technologies and tools used for the LHC Accelerator and Experiments (UNICOS and JCOP frameworks, SIMATIC WinCC Open Architecture SCADA tool). The paper describes the full architecture of the control application, and the challenges faced for the integration with an outsourced system. The benefits of reusing the CERN industrial control frameworks and the required adaptations will be discussed. Finally, the initial operational experience will be presented.

Milcent, H; Gonzalez-Berges, M; Voitier, A

2011-01-01T23:59:59.000Z

174

Stationary power applications for polymer electrolyte fuel cells  

DOE Green Energy (OSTI)

The benefits provided by Polymer Electrolyte Fuel Cells (PEFC) for power generation (e.g. low operating temperatures, and non-corrosive and stable electrolyte), as well as advances in recent years in lowering their cost and improving anode poisoning tolerance, are stimulating interest in the system for stationary power applications. A significant market potentially exists for PEFCs in certain stationary applications where PEFC technology is a more attractive alternative to other fuel cell technologies. A difficulty with the PEFC is its operation on reformed fuels containing CO, which poisons the anode catalyst. This difficulty can be alleviated in several ways. One possible approach is described whereby the product reformate is purified using a relatively low cost, high-throughput hydrogen permselective separator. Preliminary experiments demonstrate the utility of the concept.

Wilson, M.S.; Zawodzinski, C.; Gottesfeld, S. [Los Alamos National Lab., NM (United States); Landgrebe, A.R. [Dept. of Energy, Washington, DC (United States)

1996-02-01T23:59:59.000Z

175

Zero-switching-loss inverters for high-power applications  

SciTech Connect

The development of zero-switching-loss inverters has attracted much interest for industrial applications. The resonant dc link inverter (RDCLI) provides a simple and robust approach for realizing switching frequencies >20 kHz in multi-kilowatt systems but impresses substantial voltage stress (-- 2.5 supply voltage) across the devices. Two alternate topologies for realizing zero switching losses in high-power converters are proposed. The actively clamped resonant dc-link inverter (ACRLI) uses the concept of a lossless active clamp to restrict voltage stresses to only 1.3-1.5 supply voltage (V/sub s/) while maintaining a mode of operation similar to the RDCLI. For applications demanding substantially superior spectral performance, the resonant pole inverter (RPI), also called the quasi-resonant current mode inverter (QRCMI), is proposed as a viable topology. Detailed analysis, simulation, and experimental results are presented to verify operation principles of both power converters.

Divan, D.M.; Skibinski, G. (Wisconsin Univ., Madison, WI (USA). Dept. of Electrical and Computer Engineering)

1989-07-01T23:59:59.000Z

176

Profiling an application for power consumption during execution on a compute node  

DOE Patents (OSTI)

Methods, apparatus, and products are disclosed for profiling an application for power consumption during execution on a compute node that include: receiving an application for execution on a compute node; identifying a hardware power consumption profile for the compute node, the hardware power consumption profile specifying power consumption for compute node hardware during performance of various processing operations; determining a power consumption profile for the application in dependence upon the application and the hardware power consumption profile for the compute node; and reporting the power consumption profile for the application.

Archer, Charles J; Blocksome, Michael A; Peters, Amanda E; Ratterman, Joseph D; Smith, Brian E

2013-09-17T23:59:59.000Z

177

Strategic Intelligence Update: Superconductivity for Power Delivery Applications, April 2013  

Science Conference Proceedings (OSTI)

EPRIs Strategic Intelligence Update: Superconductivity for Power Delivery Applications newsletter is part of its commitment to keep its members informed on the latest industry news and intelligence. Superconductivity is a rapidly evolving field, and this newsletteralong with EPRIs annual Technology Watch reportswill closely follow developments in key technologies, R&D programs, demonstrations, deployments, and other superconductivity activities. The ...

2013-04-30T23:59:59.000Z

178

M.Nagrial, Switched reluctance generator for wind power applications  

E-Print Network (OSTI)

AbstractGreen house effect has becomes a serious concern in many countries due to the increase consumption of the fossil fuel. There have been many studies to find an alternative power source. Wind energy found to be one of the most useful solutions to help in overcoming the air pollution and global. There is no agreed solution to conversion of wind energy to electrical energy. In this paper, the advantages of using a Switched Reluctance Generator (SRG) for wind energy applications. The theoretical study of the self excitation of a SRG and the determination of the variable parameters in a SRG design are discussed. The design parameters for the maximum power output of the SRG are computed using Matlab simulation. The designs of the circuit to control the variable parameters in a SRG to provide the maximum power output are also discussed.

M. Nassereddine; J. Rizk; M. Nagrial

2008-01-01T23:59:59.000Z

179

DOWNHOLE POWER GENERATION AND WIRELESS COMMUNICATIONS FOR INTELLIGENT COMPLETIONS APPLICATIONS  

SciTech Connect

The first quarter of the Downhole Power Generation and Wireless Communications for Intelligent Completions Applications was characterized by the evaluation and determination of the specifications required for the development of the system for permanent applications in wellbores to the optimization of hydrocarbon production. The system will monitor and transmit in real time pressure and temperature information from downhole using the production tubing as the medium for the transmission of the acoustic waves carrying digital information. The most common casing and tubing sizes were determined by interfacing with the major oil companies to obtain information related to their wells. The conceptual design was created for both the wireless gauge section of the tool as well as the power generation module. All hardware for the wireless gauge will be placed in an atmospheric pressure chamber located on the outside of a production tubing with 11.4 centimeter (4-1/2 inch) diameter. This mounting technique will reduce cost as well as the diameter and length of the tool and increase the reliability of the system. The power generator will use piezoelectric wafers to generate electricity based on the flow of hydrocarbons through an area in the wellbore where the tool will be deployed. The goal of the project is to create 1 Watt of power continuously.

Paul Tubel

2003-03-24T23:59:59.000Z

180

High power battery test methods for hybrid vehicle applications  

DOE Green Energy (OSTI)

Commonly used EV battery tests are not very suitable for testing hybrid vehicle batteries, which may be primarily intended to supply vehicle acceleration power. The capacity of hybrid vehicle batteries will be relatively small, they will typically operate over a restricted range of states-of-charge, and they may seldom if ever be fully recharged. Further, hybrid propulsion system designs will commonly impose a higher regeneration content than is typical for electric vehicles. New test methods have been developed for use in characterizing battery performance and life for hybrid vehicle use. The procedures described in this paper were developed from the requirements of the government-industry cooperative Partnership for A New Generation of Vehicles (PNGV) program; however, they are expected to have broad application to the testing of energy storage devices for hybrid vehicles. The most important performance measure for a high power battery is its pulse power capability as a function of state-of-charge for both discharge and regeneration pulses. It is also important to characterize cycle life, although the {open_quote}cycles{close_quote} involved are quite different from the conventional full-discharge, full-recharge cycle commonly used for EV batteries, This paper illustrates in detail several test profiles which have been selected for PNGV battery testing, along with some sample results and lessons learned to date from the use of these test profiles. The relationship between the PNGV energy storage requirements and these tests is described so that application of the test methods can be made to other hybrid vehicle performance requirements as well. The resulting test procedures can be used to characterize the pulse power capability of high power energy storage devices including batteries and ultracapacitors, as well as the life expectancy of such devices, for either power assist or dual mode hybrid propulsion system designs.

Hunt, G.L.; Haskins, H.; Heinrich, B.; Sutula, R.

1997-11-01T23:59:59.000Z

Note: This page contains sample records for the topic "initiative application power" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


181

1987 Overview of the free-piston Stirling technology for space power application  

DOE Green Energy (OSTI)

An overview is presented of the National Aeronautics and Space Administration (NASA) Lewis Research Center free-piston Stirling engine activities directed toward space-power application. Free-piston Stirling technology is applicable for both solar and nuclear powered systems. As such, NASA Lewis serves as the project office to manage the newly initiated NASA SP-100 Advanced Technology Program. This 5-yr program provides the technology thrust for providing significant component and subsystem options for increased efficiency, reliability and survivability, and power output growth at reduced specific mass. One of the major elements of the program is the development of advanced power conversion concepts of which the Stirling cycle is a viable growth candidate. Under this program the status of the 25 kWe opposed-piston Space Power Demonstrator Engine (SPDE) is presented. Included in the SPDE discussion are comparisons between predicted and experimental engine performance, enhanced performance resulting from regenerator modification, increased operating stroke brought about by isolating the gas bearing flow between the displacer and power piston, identifying excessive energy losses and recommending corrective action, and a better understanding of linear alternator design and operation. Technology work is also conducted on heat exchanger concepts, both design and fabrication, to minimize the number of joints as well as to enhance performance. Design parameters and conceptual design features are also presented for a 25 kWe, single-cylinder free-piston Stirling space-power converter. A cursory comparison is presented showing the mass benefits that a Stirling system has over a Brayton system for the same peak temperature and output power.

Slaby, J.G.; Alger, D.L.

1994-09-01T23:59:59.000Z

182

Property:Distributed Generation System Power Application | Open Energy  

Open Energy Info (EERE)

Application Application Jump to: navigation, search This is a property of type Page. Pages using the property "Distributed Generation System Power Application" Showing 21 pages using this property. D Distributed Generation Study/10 West 66th Street Corp + Based Load + Distributed Generation Study/Aisin Seiki G60 at Hooligans Bar and Grille + Based Load + Distributed Generation Study/Arrow Linen + Based Load + Distributed Generation Study/Dakota Station (Minnegasco) + Based Load +, Backup + Distributed Generation Study/Elgin Community College + Based Load +, Backup + Distributed Generation Study/Emerling Farm + Based Load + Distributed Generation Study/Floyd Bennett + Based Load + Distributed Generation Study/Harbec Plastics + Based Load + Distributed Generation Study/Hudson Valley Community College + Based Load +

183

Application of High Powered Lasers to Perforated Completions  

NLE Websites -- All DOE Office Websites (Extended Search)

Congress on Applications of Laser & Electro-Optics Congress on Applications of Laser & Electro-Optics October 13 - 16, 2003, Jacksonville, Florida Application of High Powered Lasers to Perforated Completions Zhiyue Xu, Claude B. Reed and Keng H. Leong Argonne National Laboratory, 9700 South Cass Avenue, Argonne, IL 60439 R. A. Parker Parker Geoscience Consulting, LLC, 6346 Secrest Street, Arvada, CO 80403 R. M. Graves, Petroleum Engineering Department, Colorado School of Mines, Golden, CO 80401 ABSTRACT As part of the process of drilling an oil or gas well, a steel production casing is often inserted to the bottom of the well and sealed with cement against the productive formation. Openings must be made through the steel casing wall and cement and into the rock formation to allow formation fluid to enter the well. Conventionally, a perforator is

184

SunShot Initiative: Concentrating Solar Power SunShot Research...  

NLE Websites -- All DOE Office Websites (Extended Search)

Development In June 2012, DOE announced the awardees of the Concentrating Solar Power (CSP) SunShot Research and Development (Program Fact Sheet) funding opportunity as follows...

185

Microprocessor systems and architectures for applications to the control and protection of electric power systems  

Science Conference Proceedings (OSTI)

Some design concepts for microprocessor applications to the control and protection of electric power systems are presented. A formal design methodology is outlined. Present microprocessor applications to the control and protection of the electric power ...

Dale I. Rummer; Mladen Kezunovic

1979-04-01T23:59:59.000Z

186

INITIAL TESTING AND OPERATION OF THE ARGONNE LOW POWER REACTOR (ALPR)  

SciTech Connect

The major events of a program designed to test and operate the completed reactor power plant and associated equipment are described. The design and construction phases of the project, component installation, preliminary systems testing, zero-power experiments, areas affected by the design parameters, reactor operation, plant safety, and reactor operator training are covered. (W.D.M.)

Hamer, E.E. ed.

1959-12-01T23:59:59.000Z

187

Solid Oxide Fuel Cell Technology Stationary Power Application Project  

DOE Green Energy (OSTI)

The objectives of this program were to: (1) Develop a reliable, cost-effective, and production-friendly technique to apply the power-enhancing layer at the interface of the air electrode and electrolyte of the Siemens SOFC; (2) Design, build, install, and operate in the field two 5 kWe SOFC systems fabricated with the state-of-the-art cylindrical, tubular cell and bundle technology and incorporating advanced module design features. Siemens successfully demonstrated, first in a number of single cell tests and subsequently in a 48-cell bundle test, a significant power enhancement by employing a power-enhancing composite interlayer at the interface between the air electrode and electrolyte. While successful from a cell power enhancement perspective, the interlayer application process was not suitable for mass manufacturing. The application process was of inconsistent quality, labor intensive, and did not have an acceptable yield. This program evaluated the technical feasibility of four interlayer application techniques. The candidate techniques were selected based on their potential to achieve the technical requirements of the interlayer, to minimize costs (both labor and material), and suitably for large-scale manufacturing. Preliminary screening, utilizing lessons learned in manufacturing tubular cells, narrowed the candidate processes to two, ink-roller coating (IRC) and dip coating (DC). Prototype fixtures were successfully built and utilized to further evaluate the two candidate processes for applying the interlayer to the high power density Delta8 cell geometry. The electrical performance of interlayer cells manufactured via the candidate processes was validated. Dip coating was eventually selected as the application technique of choice for applying the interlayer to the high power Delta8 cell. The technical readiness of the DC process and product quality was successfully and repeatedly demonstrated, and its throughput and cost are amenable to large scale manufacturing. Two 5 kWe-class SOFC power systems were built and installed for the purpose of testing and evaluating state-of-the-art tubular cell and bundle technologies, advanced generator and module design features, balance-of-plant components, and cost reduction measures. Installed at the Phipps Conservatory and Botanical Gardens, a system operated for more than 17,500 hrs, delivering electrical power to the on-site grid and thermal energy in form of hot water for onsite utilization. Operation was typically autonomous, requiring minimal operator intervention, and achieved an overall availability of greater than 85%. Outages were primarily due to an unstable local grid, two weather related outages were experienced, and very few reliability issues were encountered despite harsh operating conditions. No repairs to the stack, module, or balance-of-plant were required. A second system was designed, built, delivered, and installed at a Siemens facility in Charlotte, North Carolina. Operational issues associated with the balance-of-plant were encountered during startup and prevented the system from operating.

Joseph Pierre

2009-03-05T23:59:59.000Z

188

Battery Life Prediction Method for Hybrid Power Applications: Preprint  

Science Conference Proceedings (OSTI)

Batteries in hybrid power applications that include intermittent generators, such as wind turbines, experience a very irregular pattern of charge and discharge cycles. Because battery life is dependent on both depth and rate of discharge (and other factors such as temperature, charging strategy, etc.), estimating battery life and optimally sizing batteries for hybrid systems is difficult. Typically, manufacturers give battery life data, if at all, as cycles to failure versus depth of discharge, where all discharge cycles are assumed to be under conditions of constant temperature, current, and depth of discharge. Use of such information directly can lead to gross errors in battery lifetime estimation under actual operating conditions, which may result in either a higher system cost than necessary or an undersized battery bank prone to early failure. Even so, most current battery life estimation algorithms consider only the effect of depth of discharge on cycle life. This paper will discuss a new battery life prediction method, developed to investigate the effects of two primary determinants of battery life in hybrid power applications, varying depths of discharge and varying rates of discharge. A significant feature of the model is that it bases its analysis on battery performance and cycle life data provided by the manufacturer, supplemented by a limited amount of empirical test data, eliminating the need for an electrochemical model of the battery. It performs the analysis for a user-prescribed discharge profile consisting of a series of discharge events of specified average current and duration. Sample analyses are presented to show how the method can be used to select the most economical battery type and size for a given hybrid power system application.

Drouilhet, S.; Johnson, B. L.

1997-01-01T23:59:59.000Z

189

SunShot Initiative: Advanced Nitrate Salt Central Receiver Power Plant  

NLE Websites -- All DOE Office Websites (Extended Search)

Advanced Nitrate Salt Central Receiver Power Plant Advanced Nitrate Salt Central Receiver Power Plant Abengoa logo Photo of two lit towers surrounded by much smaller blue flat plates that are mounted on the ground. Commercial central receiver plant designs Abengoa, under the Baseload CSP FOA, will demonstrate a 100-megawatt electrical (MWe) central receiver plant using nitrate salt as the receiver coolant, thermal storage medium, and heat transport fluid in the steam generator. Approach The plan is to operate the plant at full load for 6,400 hours each year using only solar energy. Abengoa is working to create a team of suppliers capable of deploying a commercially ready nitrate salt central receiver technology that can be competitive in the current power marketplace. Innovation Abengoa is developing a new molten-salt power tower technology with a surround heliostat field. Key components include:

190

Initial exploration of 21-cm cosmology with imaging and power spectra from the Murchison Widefield Array  

E-Print Network (OSTI)

The Murchison Widefield Array (MWA) is a new low-frequency radio array under construction in Western Australia with a primary goal of measuring the power spectrum of the 21-cm signal from neutral hydrogen during the Epoch ...

Williams, Christopher Leigh

2012-01-01T23:59:59.000Z

191

Applications of an electronic transformer in a power distribution system  

E-Print Network (OSTI)

In electrical power distribution and power electronic applications, a transformer is an indispensable component which performs many functions. At its operating frequency (60/50 Hz), it is one of the most bulky and expensive components. The concept of the electronic transformer introduced previously has shown considerable reduction in size, weight, and volume by operating at a higher frequency. In this dissertation, the concept of the electronic transformer is further extended to the auto-connected phase-shifting type to reduce harmonics generated by nonlinear loads. It is shown that with the addition of primary side and secondary side AC/AC converters achieves phase-shifting. With the addition of converters, magnetic components are operated at a higher frequency to yield a smaller size and weight. Two types of auto-connected electronic transformer configurations are explored. In the first configuration, the secondary converter is eliminated and the output is suitable for rectifier type loads such as adjustable speed drives. In the second configuration, the secondary converter is added to obtain a sinusoidal phase-shifted AC output voltage. This approach is applicable in general applications. With the proposed approaches, the th and 7th harmonic in utility line currents, generated by two sets of nonlinear loads, are subtracted within the electronic transformer, thereby reducing the total harmonic distortion (THD) of the line current. The analysis and simulation results are presented. In the second part of the dissertation, the electronic transformer concept is applied to a telecommunication power supply (-48 VDC) system. The proposed approach consists of a matrix converter to convert the low frequency three-phase input AC utility to a high frequency AC output without a DC-link. The output of the matrix converter is then processed via a high frequency isolation transformer to produce -48 VDC. Digital control of the system ensures that the output voltage is regulated and the input currents are of high quality, devoid of low frequency harmonics and at near unity input power factor under varying load conditions. Due to the absence of DC-link electrolytic capacitors, the power density of the proposed rectifier is shown to be higher. Analysis, design example and experimental results are presented from a three-phase 208 V, 1.5 kW laboratory prototype converter.

Ratanapanachote, Somnida

2004-08-01T23:59:59.000Z

192

Guidelines for preparing and reviewing applications for the licensing of non-power reactors: Format and Content. NUREG-1537, Part 1  

Science Conference Proceedings (OSTI)

NUREG - 1537, Part 1 gives guidance to non-power reactor licensees and applicants on the format and content of applications to the Nuclear Regulatory Commission for licensing actions. These licensing actions include construction permits and initial operating licenses, license renewals, amendments, conversions from highly enriched uranium to low-enriched uranium, decommissioning, and license termination.

NONE

1996-02-01T23:59:59.000Z

193

Recent advances in fabrication of high-T{sub c} superconductors for electric power applications.  

Science Conference Proceedings (OSTI)

The U.S. Department of Energy (DOE) supports an applied superconductivity program entitled ''Superconductivity Program for Electric Power Systems.'' Activities within this program contribute to development of the high-temperature superconductor (HTS) technology needed for industry to proceed with the commercial development of electric power applications such as motors, generators, transformers, transmission cables, and current limiters. Research is conducted in three categories: wire development, systems technology development, and Superconductivity Partnership Initiative (SPI). Wire development activities are devoted to improving the critical current density (J{sub c}) of short-length HTS wires, whereas systems technology development focuses on fabrication of long-length wires, coils, and on magnets. The SPI activities are aimed at development of prototype products. Significant progress has been made in the development of (HTSs) for various applications: some applications have already made significant strides in the marketplace, while others are still in the developmental stages. For successful electric power applications, it is very important that the HTS be fabricated into long-length conductors that exhibit desired superconducting and mechanical properties. Several parameters of the PIT technique must be carefully controlled to obtain the desired properties. Long lengths of Bi-2223 tapes with respectable superconducting properties have been fabricated by a carefully designed thermomechanical treatment process. A 1-MVA capacity fault current limiter, a 286-hp motor, and 630-kVA transformers, and a 50-m-long conductor, all using HTSs, have already been demonstrated. While the use of HTS devices in the electric utility area has clear advantages, impediments to successful commercialization remain. Issues such as AC losses, conductor cost, and reliable superconducting joints must be addressed. The cost of HTS conductors are still quite high, and significant R and D effort must be focused on this issue. The general acceptance of HTS power equipment will ultimately be based on system performance, reliability and maintenance, efficiency, and installed cost relative to those of conventional technologies.

Balachandran, U.

1998-03-25T23:59:59.000Z

194

Energy characterization of mobile devices and applications using power-thermal benchmarks  

Science Conference Proceedings (OSTI)

Power consumption and heat dissipation are the major factors that limit the performance and mobility of battery-powered devices. As they become key elements in the design of mobile devices and their applications, different power and thermal management ... Keywords: Energy characterization, Power benchmark, Power management, Thermal benchmark, Thermal management

Marius Marcu; Dacian Tudor; Horatiu Moldovan; Sebastian Fuicu; Mircea Popa

2009-07-01T23:59:59.000Z

195

Application of the interphase power controller technology for transmission line power flow control  

SciTech Connect

This paper presents an application of the IPC technology for controlling power flows while maintaining the natural synchronizing capacity of transmission lines. The benefits for transmission systems are a substantial increase in steady-state transmission capability, lower losses and voltage support. An example based on the 500 kV Mead-Phoenix Project demonstrates the effectiveness of the IPC solution: the addition of a 370 Mvar capacitor in parallel with the two 500 kV phase-shifting transformers increases their maximum capability from 1,300 to 1,910 MW. The concepts presented are the results of the first phase of work leading to the development of an IPC using power electronics.

Brochu, J.; Beauregard, F.; Lemay, J.; Morin, G.; Pelletier, P. [Center d`Innovation sur le Transport d`Energie du Quebec, Varennes, Quebec (Canada)] [Center d`Innovation sur le Transport d`Energie du Quebec, Varennes, Quebec (Canada); Thallam, R.S. [Salt River Project, Phoenix, AZ (United States)] [Salt River Project, Phoenix, AZ (United States)

1997-04-01T23:59:59.000Z

196

STUDY OF REMOTE MILITARY POWER APPLICATIONS. REPORT NO. 12. EVALUATION AND SELECTION OF APPLICABLE REACTOR CONCEPTS  

SciTech Connect

An evaluation of the reactor concepts under consideration for remote military power plants is presented. The concepts include water-cooled and - moderated reactors, both direct and indirect cycle. organic-cooled and -moderated reactors, heavy-water-cooled and -moderated reactors. gas-cooled reactors, sodium- cooled graphite-moderated reactors, fast reactors, and fluid-fuel reactors. The limitations and advantages, technological status, economics, and future potential of each reactor are reviewed. From the reviews it is concluded that direct-cycle boiling-water and pressurized-water reactors are most suitable for applications requiring power before 1965. (C.J.G.)

1960-01-01T23:59:59.000Z

197

Assessment Methods and Operating Tools for Grid Reliability: An Executive Report on the Transmission Program of EPRI's Power Deliver y Reliability Initiative  

Science Conference Proceedings (OSTI)

Maintaining a high level of power grid reliability is one of the most pressing issues facing the electric power industry today. This report summarizes the achievements and planned activities of the transmission portion of the industry-wide Power Delivery Reliability Initiative, which is developing new tools and methods for assessing and improving grid reliability.

2001-03-26T23:59:59.000Z

198

Verification of initial-state opacity in security applications of discrete event systems  

Science Conference Proceedings (OSTI)

In this paper, we formulate and analyze methodologies for verifying the notion of initial-state opacity in discrete event systems that are modeled as non-deterministic finite automata with partial observation on their transitions. A system is initial-state ... Keywords: Discrete event system, Formal methods in security analysis, Initial state estimation, Initial state estimator, Tracking in sensor network

Anooshiravan Saboori, Christoforos N. Hadjicostis

2013-10-01T23:59:59.000Z

199

Advanced Power Plant Modeling with Applications to an Advanced Boiling Water  

E-Print Network (OSTI)

wave fronts. However, in most power plant transient performance models, there are few heat exchangersAdvanced Power Plant Modeling with Applications to an Advanced Boiling Water Reactor and a Heat Introduction This paper presents two advanced modeling methods, and two applications, for power plant

Mitchell, John E.

200

WattApp: an application aware power meter for shared data centers  

Science Conference Proceedings (OSTI)

The increasing heterogeneity between applications in emerging virtualized data centers like clouds introduce significant challenges in estimating the power drawn by the data center. In this work, we presentWattApp: an application-aware power meter for ... Keywords: power modeling

Ricardo Koller; Akshat Verma; Anindya Neogi

2010-06-01T23:59:59.000Z

Note: This page contains sample records for the topic "initiative application power" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


201

Initial Screening of Thermochemical Water-Splitting Cycles for High Efficiency Generation of Hydrogen Fuels Using Nuclear Power  

DOE Green Energy (OSTI)

OAK B188 Initial Screening of Thermochemical Water-Splitting Cycles for High Efficiency Generation of Hydrogen Fuels Using Nuclear Power There is currently no large scale, cost-effective, environmentally attractive hydrogen production process, nor is such a process available for commercialization. Hydrogen is a promising energy carrier, which potentially could replace the fossil fuels used in the transportation sector of our economy. Fossil fuels are polluting and carbon dioxide emissions from their combustion are thought to be responsible for global warming. The purpose of this work is to determine the potential for efficient, cost-effective, large-scale production of hydrogen utilizing high temperature heat from an advanced nuclear power station. Almost 800 literature references were located which pertain to thermochemical production of hydrogen from water and over 100 thermochemical watersplitting cycles were examined. Using defined criteria and quantifiable metrics, 25 cycles have been selected for more detailed study.

Brown, L.C.; Funk, J.F.; Showalter, S.K.

1999-12-15T23:59:59.000Z

202

Initial Results in Power System Identification from Injected Probing Signals Using a Subspace Method  

SciTech Connect

In this paper, the authors use the Numerical algorithm for Subspace State Space System IDentification (N4SID) to extract dynamic parameters from phasor measurements collected on the western North American Power Grid. The data were obtained during tests on June 7, 2000, and they represent wide area response to several kinds of probing signals including Low-Level Pseudo-Random Noise (LLPRN) and Single-Mode Square Wave (SMSW) injected at the Celilo terminal of the Pacific HVDC In-tertie (PDCI). An identified model is validated using a cross vali-dation method. Also, the obtained electromechanical modes are compared with the results from Prony analysis of a ringdown and with signal analysis of ambient data measured under similar op-erating conditions. The consistent results show that methods in this class can be highly effective even when the probing signal is small.

Zhou, Ning; Pierre, John W.; Hauer, John F.

2006-08-01T23:59:59.000Z

203

MSU-Wind Applications Center: Wind Resource Worksheet Theoretical Power Calculation  

E-Print Network (OSTI)

MSU-Wind Applications Center: Wind Resource Worksheet Theoretical Power Calculation Equations: A= swept area = air density v= velocity R= universal gas constant Steps: 1. Measure wind speed from fan. = ___________/(________*________)= _________kg/m3 5. Theoretical Power a. Low Setting Theoretical Wind Power i. Power= ½*______*______*______*.59

Dyer, Bill

204

Thermal power systems: Small Power Systems Applications Project. Volume II. Detailed report. Annual technical report, fiscal year 1978  

SciTech Connect

Small Power Systems Applications activities for FY 1978 are reported. Studies were conducted to address current small power system technology as applied to power plants up to 10 MWe in size. Markets for small power systems were characterized and cost goals were established for the project. Candidate power plant system design concepts were selected for evaluation and preliminary performance and cost assessments were made. Economic studies were conducted at JPL and under contract to Burns and McDonnell. Breakeven capital costs were determined for leading contenders among the candidate systems. An applications study was made of the potential use of small power systems in providing part of the demand for pumping power by the extensive aqueduct system of California, estimated to be 1000 MWe by 1985. Criteria and methodologies were developed for application to the ranking of candidate power plant system design concepts. Experimental power plants concepts of 1 MWe rating were studied by three contractors as a Phase I effort leading toward the definition of a power plant configuration for subsequent detail design, construction, testing and evaluation as Engineering Experiment No. 1 (EE No. 1). Site selection criteria and ground rules for the solicitation of EE No. 1 site participation proposals by DOE were developed.

1979-01-15T23:59:59.000Z

205

Application of smart grid in photovoltaic power systems, ForskEL...  

Open Energy Info (EERE)

of smart grid in photovoltaic power systems, ForskEL (Smart Grid Project) Jump to: navigation, search Project Name Application of smart grid in photovoltaic power systems, ForskEL...

206

Application for presidential permit OE Docket No. PP-362 Champlain Hudson Power Express Inc  

Energy.gov (U.S. Department of Energy (DOE))

Application from Champlain Hudson Power Express Incto construct, operate, and maintain electric transmission facilities at the U.S. - Canada Border.

207

New Family of Multilevel Matrix Converters for Wind Power Applications: Final Report, July 2002 - March 2006  

DOE Green Energy (OSTI)

The goal of this project was to develop a new modular multilevel matrix converter for wind power applications and to demonstrate a working scale model in the laboratory.

Erickson, R.; Angkititrakul, S.; Almazeedi, K.

2006-12-01T23:59:59.000Z

208

Distributed energy resources customer adoption modeling with combined heat and power applications  

E-Print Network (OSTI)

case, such as total electricity bill, electricity generationHeat and Power Applications electricity bill for electricityK$ Investment Costs Annual Electricity Bill for Purchases

Siddiqui, Afzal S.; Firestone, Ryan M.; Ghosh, Srijay; Stadler, Michael; Edwards, Jennifer L.; Marnay, Chris

2003-01-01T23:59:59.000Z

209

THE STIRLING ENGINE: THERMODYNAMICS AND APPLICATIONS IN COMBINED COOLING, HEATING, AND POWER SYSTEMS.  

E-Print Network (OSTI)

?? The goal of this study is to assess the potential of the Stirling engine in alternative energy applications including combined cooling, heating, and power (more)

Harrod, James C

2010-01-01T23:59:59.000Z

210

Latent Heat Thermal Energy Storage with Embedded Heat Pipes for Concentrating Solar Power Applications.  

E-Print Network (OSTI)

?? An innovative, novel concept of combining heat pipes with latent heat thermal energy storage (LHTES) for concentrating solar power (CSP) applications is explored. The (more)

Robak, Christopher

2012-01-01T23:59:59.000Z

211

Development of Analytical and Computational Methods for the Strategic Power Infrastructure Defense (SPID) System: EPRI/DoD Complex I nteractive Networks/Systems Initiative: Second Annual Report  

Science Conference Proceedings (OSTI)

This report details the second-year research accomplishments for one of six research consortia established under the Complex Interactive Networks/Systems Initiative. This particular document discusses analytical and computational methods for the Strategic Power Infrastructure Defense (SPID) System.

2001-06-21T23:59:59.000Z

212

Application to export electric energy OE Docket No. EA-348 FPL Energy Power  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

export electric energy OE Docket No. EA-348 FPL export electric energy OE Docket No. EA-348 FPL Energy Power Marketing Inc: Federal Register Notice Volume 74, No. 15 - Jan. 26, 2009 Application to export electric energy OE Docket No. EA-348 FPL Energy Power Marketing Inc: Federal Register Notice Volume 74, No. 15 - Jan. 26, 2009 Application from FPL Energy Power Marketing Inc to export electric energy to Canada. Federal Register Notice Vol 74 No 15 Application to export electric energy OE Docket No. EA-348 FPL Energy Power Marketing Inc More Documents & Publications Application to Export Electric Energy OE Docket No. EA-348 FPL Energy Power Marketing, Inc. EA-348 FPL Energy Power Marketing, Inc. Application to export electric energy OE Docket No. EA-216-C TransAlta Energy Marketing (U.S) Inc: Federal Register Notice Volume 76, No. 14 -

213

Application of Homopolar Pulsed Power to Metals Joining  

E-Print Network (OSTI)

Homopolar generators (HPGs) presently being developed at the Center for Electromechanics are capable of delivering megampere pulses of electric current in a controllable manner. One application for these machines is as the power supplies for an industrial welding process. During the past five years, several research projects have been carried out to explore welding capabilities of HPGs. Among the materials that have been welded are carbon and low alloy steels, several varieties of stainless steels, tool steels, nickel-base and molybdenum-base alloys, aluminum, and several dissimilar-metal couples. Among the shapes that have been welded are bars, sheets, plates, tubes, pipe, angle sections, and rails. The largest cross sections that have been welded to date are 9 sq. in. (2.9 sq. cm) and the smallest have been less than 0.3 sq. in. (0.58 sq. cm). Welding is accomplished in times approximating a second. Unique advantages of the homopolar pulse welding process are that it can scaled upward to indefinitely large cross sections and that it does not impose a sudden load on the mains.

Keith, R. E.; Aanstoos, T. A.; Weldon, W. F.

1983-01-01T23:59:59.000Z

214

Power Electronics for Distributed Energy Systems and Transmission and Distribution Applications: Assessing the Technical Needs for Utility Applications  

DOE Green Energy (OSTI)

Power electronics can provide utilities the ability to more effectively deliver power to their customers while providing increased reliability to the bulk power system. In general, power electronics is the process of using semiconductor switching devices to control and convert electrical power flow from one form to another to meet a specific need. These conversion techniques have revolutionized modern life by streamlining manufacturing processes, increasing product efficiencies, and increasing the quality of life by enhancing many modern conveniences such as computers, and they can help to improve the delivery of reliable power from utilities. This report summarizes the technical challenges associated with utilizing power electronics devices across the entire spectrum from applications to manufacturing and materials development, and it provides recommendations for research and development (R&D) needs for power electronics systems in which the U.S. Department of Energy (DOE) could make a substantial impact toward improving the reliability of the bulk power system.

Tolbert, L.M.

2005-12-21T23:59:59.000Z

215

Risk-Managed Technical Specifications - Lessons Learned from Initial Application at South Texas Project  

Science Conference Proceedings (OSTI)

This report describes research that documents lessons learned from the initial year of implementation of Risk-Managed Technical Specifications (RMTS) at South Texas Project (STP).

2008-12-11T23:59:59.000Z

216

Power Analysis of Sub-threshold Logics for Security Applications.  

E-Print Network (OSTI)

??Requirements of ultra-low power for many portable devices have drawn increased attention to digital sub-threshold logic design. Major reductions in power consumption and frequency of (more)

Haghighizadeh, Farhad

2012-01-01T23:59:59.000Z

217

Power generation from nuclear reactors in aerospace applications  

SciTech Connect

Power generation in nuclear powerplants in space is addressed. In particular, the states of technology of the principal competitive concepts for power generation are assessed. The possible impact of power conditioning on power generation is also discussed. For aircraft nuclear propulsion, the suitability of various technologies is cursorily assessed for flight in the Earth's atmosphere. A program path is suggested to ease the conditions of first use of aircraft nuclear propulsion.

English, R.E.

1982-01-01T23:59:59.000Z

218

Power generation from nuclear reactors in aerospace applications  

SciTech Connect

Power generation in nuclear powerplants in space is addressed. In particular, the states of technology of the principal competitive concepts for power generation are assessed. The possible impact of power conditioning on power generation is also discussed. For aircraft nuclear propulsion, the suitability of various technologies is cursorily assessed for flight in the Earth's atmosphere. A program path is suggested to ease the conditions of first use of aircraft nuclear propulsion.

English, R.E.

1982-01-01T23:59:59.000Z

219

Thermal Interface Materials for Power Electronics Applications: Preprint  

SciTech Connect

The thermal resistance of the thermal interface material layer greatly affects the maximum temperature of the power electronics.

Narumanchi, S.; Mihalic, M.; Kelly, K.; Eesley, G.

2008-07-01T23:59:59.000Z

220

Computer application for design activity in power plants  

Science Conference Proceedings (OSTI)

Software for Design Activity in Power Plants' helps the Power Plant engineers and managers to manage the development and design activities of equipments in the field of power plants. This paper is basically concerned with the computerization of the design activity of Condenser, vital equipment in Heat Exchanger Unit of Thermal Power Plant required for condensing the steam and for further reclaimable purposes to achieve economy. This software will also provide facilities to maintain user profile and the respective work details.

Giri, Parimal Kumar; Srivastava, Sonam [Apeejay College of Engineering, Sohna, Gurgaon (India)

2010-10-26T23:59:59.000Z

Note: This page contains sample records for the topic "initiative application power" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


221

Space reactor/Stirling cycle systems for high power Lunar applications  

DOE Green Energy (OSTI)

NASA`s Space Exploration Initiative (SEI) has proposed the use of high power nuclear power systems on the lunar surface as a necessary alternative to solar power. Because of the long lunar night ({approximately} 14 earth days) solar powered systems with the requisite energy storage in the form of regenerative fuel cells or batteries becomes prohibitively heavy at high power levels ({approximately} 100 kWe). At these high power levels nuclear power systems become an enabling technology for variety of missions. One way of producing power on the lunar surface is with an SP-100 class reactor coupled with Stirling power converters. In this study, analysis and characterization of the SP-100 class reactor coupled with Free Piston Stirling Power Conversion (FPSPC) system will be performed. Comparison of results with previous studies of other systems, particularly Brayton and Thermionic, are made.

Schmitz, P.D. [Sverdrup Technology, Inc., Brook Park, OH (United States). Lewis Research Center Group; Mason, L.S. [National Aeronautics and Space Administration, Cleveland, OH (United States). Lewis Research Center

1994-09-01T23:59:59.000Z

222

Application of TOPSIS in evaluating initial training aircraft under a fuzzy environment  

Science Conference Proceedings (OSTI)

This paper develops an evaluation approach based on the Technique for Order Performance by Similarity to Ideal Solution (TOPSIS), to help the Air Force Academy in Taiwan choose optimal initial training aircraft in a fuzzy environment where the vagueness ... Keywords: Fuzzy sets theory, Initial training aircraft, Multiple criteria decision-making (MCMD), TOPSIS

Tien-Chin Wang; Tsung-Han Chang

2007-11-01T23:59:59.000Z

223

Non-Normal Mode Initialization: Formulation and Application to Inclusion of the ?-Terms in the Linearization  

Science Conference Proceedings (OSTI)

The non-normal mode initialization, i.e., an initialization scheme which does not require an explicit computation of the eigenmodes of the linearized equations, is reviewed. The formulation of such a scheme is given in abstract form, in the case ...

Rgis Juvanon Du Vachat

1988-10-01T23:59:59.000Z

224

Guidelines for preparing and reviewing applications for the licensing of non-power reactors: Standard review plan and acceptance criteria. NUREG - 1537, Part 2  

SciTech Connect

NUREG - 1537, Part 2 gives guidance on the conduct of licensing action reviews to NRC staff who review non-power reactor licensing applications. These licensing actions include construction permits and initial operating licenses, license renewals, amendments, conversions from highly enriched uranium to low-enriched uranium, decommissioning, and license termination.

1996-02-01T23:59:59.000Z

225

Synthesis of hybrid nanowire arrays and their application as high power supercapacitor electrodesw  

E-Print Network (OSTI)

Synthesis of hybrid nanowire arrays and their application as high power supercapacitor electrodesw- plies.2­7 For such applications, it is extremely important to develop supercapacitors with higher power and they have been used as electrodes for supercapacitors.11­14 In spite of having ideal properties, CNT based

Ajayan, Pulickel M.

226

Instruction-level power consumption estimation of embedded processors for low-power applications  

Science Conference Proceedings (OSTI)

A power consumption measurement configuration for embedded processing systems is presented in this work. Given an assembly or machine level program as input to this setup, the energy consumption of the specific program in the specific processing systems ... Keywords: current measurement, embedded microprocessors, low-power design, power consumption, power modeling

S. Nikolaidis; Th. Laopoulos

2002-06-01T23:59:59.000Z

227

Application to Export Electric Energy OE Docket No. EA-290-B Ontario Power  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Generation: Federal Register Notice Volume 76, No. 41 - Mar. Generation: Federal Register Notice Volume 76, No. 41 - Mar. 2, 2011 Application to Export Electric Energy OE Docket No. EA-290-B Ontario Power Generation: Federal Register Notice Volume 76, No. 41 - Mar. 2, 2011 Application from Ontario Power Generation to export electric energy to Canada. Federal Register Notice Vol 76 No 41 EA-290-B Ontario Power Generation More Documents & Publications Application to Export Electric Energy OE Docket No. EA-297-B SESCO Enterprises, Canada Ltd: Federal Register Notice Volume 76, No. 41 - Mar. 2, 2011 Application to Export Electric Energy OE Docket No. EA-209-C Cargill Power Markets: Federal Register Notice Volume 76, No. 66 - Apr. 6, 2011 Application to export electric energy OE Docket No. EA-220-C NRG Power Marketing LLC: Federal Register Notice Volume 75, No. 234 - Dec. 7, 2010

228

Condition Data Aggregation with Application to Failure Rate Calculation of Power Transformers  

E-Print Network (OSTI)

Condition Data Aggregation with Application to Failure Rate Calculation of Power Transformers for condition monitoring and failure rate prediction of power transformers. Specif- ically, the system uses-in-oil field data for assessing the deteriora- tion level of power transformer insulating oil. Keywords: Data

229

Power Quality for Electrical Contractors: Application Guide, Volume 2: Recommended Practices: Revision 1  

Science Conference Proceedings (OSTI)

A wide variety of sensitive electronic equipment is finding its way into new and existing buildings. To insure that this equipment functions properly, building owners and equipment users are showing more concern for their buildings' power quality. Volume 2, Focusing on Recommended Practices, of the Power Quality for Electrical Contractors Applications Guide discusses the issues involved in providing good power quality.

1999-08-17T23:59:59.000Z

230

Application of Automated Controls for Voltage and Reactive Power Management - Initial Results  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

U.S. Department of Energy | December 2012 Table of Contents Executive Summary ................................................................................................................. ii 1. Introduction ..................................................................................................................... 1 1.1 Purpose and Scope ....................................................................................................... 1 1.2 Background about VVO ................................................................................................ 2 1.3 Organization of this Report .......................................................................................... 2 2. Devices, Systems, and Expected Benefits.......................................................................... 4

231

Blending Multiresolution Satellite Data with Application to the Initialization of an Orographic Precipitation Model  

Science Conference Proceedings (OSTI)

The use of multisensor, multifrequency satellite data to specify initial conditions for numerical weather prediction (NWP) models offers a unique opportunity to improve the depiction of small-scale processes in the atmosphere through a myriad of ...

Robert J. Kuligowski; Ana P. Barros

2001-09-01T23:59:59.000Z

232

PQDIF (Power Quality Data Interchange Format) Application Guide  

Science Conference Proceedings (OSTI)

Over the last fifteen years, many power quality-monitoring instruments have been employed in the collection of power quality measurements from tens, hundreds, and sometimes thousands of monitoring points in transmission, distribution, and end-user systems. The reasons for monitoring vary and, consequently, so do the structure of data contained in these measurements. The IEEE Std 1159.3-2002 PQDIF (Power Quality Data Interchange Format) binary file format ?provides a compact, flexible, extensible means to...

2008-03-31T23:59:59.000Z

233

Applications of Increased Power Flow Strategies for Underground Cables  

Science Conference Proceedings (OSTI)

In 2003, the Electric Power Research Institute (EPRI) recognized that there were no detailed resources on the topic of increased power flow (sometimes called uprating) for underground cable systems. Transmission cables were often the focus of evaluations where utilities were seeking to get the greatest improvement in load transfer for a given investment. The 2003 EPRI report, Increased Power Flow Guidebook: Underground Cables, describes basic cable rating principles and ...

2013-11-21T23:59:59.000Z

234

Application of Ferromagnetic Shape Memory Alloys in Power ...  

Science Conference Proceedings (OSTI)

Jan 1, 2010 ... TMS Student Member price: 10.00 ... this changing magnetic field was harnessed in a power generation device to produce an electrical signal.

235

Power Harvesting for Sensors in Electric Power Utility Applications: State of Science Review and Test Bed Development  

Science Conference Proceedings (OSTI)

The value of wireless sensor networks in remote locations or at high-voltage applications depends on the networks reliable operation for extended period of times without human intervention. Therefore, a major consideration when using wireless sensors is the problem of providing power to the sensors. Presently, wireless sensor nodes are commonly powered by batteries. This situation presents a substantial roadblock to the widespread deployment of wireless sensors due to battery lifetimes and other issues ...

2011-12-21T23:59:59.000Z

236

ASSESSMENT OF COMBINED HEAT AND POWER SYSTEM "PREMIUM POWER" APPLICATIONS IN CALIFORNIA  

E-Print Network (OSTI)

heat and power; distributed generation; premium powerand operation of distributed generation, combined heat andcost combination of distributed generation technologies that

Norwood, Zack

2010-01-01T23:59:59.000Z

237

DOWNHOLE POWER GENERATION AND WIRELESS COMMUNICATIONS FOR INTELLIGENT COMPLETIONS APPLICATIONS  

SciTech Connect

The development work during this quarter was focused in the assembly of the downhole power generator hardware and its electronics module. The quarter was also spent in the development of the surface system electronics and software to extract the acoustic data transmitted from downhole to the surface from the noise generated by hydrocarbon flow in wells and to amplify very small acoustic signals to increase the distance between the downhole tool and the surface receiver. The tasks accomplished during this report period were: (1) Assembly of the downhole power generator mandrel for generation of electrical power due to flow in the wellbore. (2) Test the piezoelectric wafers to assure that they are performing properly prior to integrating them to the mechanical power generator mandrel. (3) Coat the power generator wafers to prevent water from shorting the power generator wafers. (4) Test of the power generator using a water tower and an electric pump to create a water flow loop. (5) Test the power harvesting electronics module. (6) Upgrade the signal condition and amplification from downhole into the surface system. (7) Upgrade the surface processing system capability to process data faster. (8) Create a new filtering technique to extract the signal from noise after the data from downhole is received at the surface system.

Paul Tubel

2004-02-01T23:59:59.000Z

238

Heuristic and metaheuristic optimization techniques with application to power systems  

Science Conference Proceedings (OSTI)

The development of modern wide-area power systems, as well as recent trends towards the creation of sustainable energy systems have given birth to complex studies addressing technical, but also economical and environmental, aspects related to simple ... Keywords: efficiency, heuristic optimization, metaheuristic optimization, power systems

Mihai Gavrilas

2010-10-01T23:59:59.000Z

239

Application of self-organizing systems in power systems control  

Science Conference Proceedings (OSTI)

The European electrical transmission network is operated increasingly close to its operational limits due to market integration and increased feed-in by renewable energies. For this reason, innovative solutions for a reliable, secure and efficient network ... Keywords: FACTS, multiagent systems, power flow control, power system control, self-organizing systems, smart grids

Sven C. Mller; Ulf Hger; Christian Rehtanz; Horst F. Wedde

2012-06-01T23:59:59.000Z

240

STUDY OF REMOTE MILITARY POWER APPLICATIONS REPORT NO. 1. SUMMARY  

SciTech Connect

An economic evaluation of the construction and operation of 5 to 46 Mw(e) nuclear power plants at several military installations throughout the world is presented. After an evaluation of economic factors involved, 10 sites were chosen for which the cost of nuclear power is most nearly economically competitive with conventional power costs. The 10 sites include Okinawa, Guam, Thule, Asmara (Eritrea), Inchon, McMurdo Sound (Antarctica), a barge in the Atlantic Ocean, and three sites in the U. S. (NORAD, Super Sage, and Nike-Zeus). A comparison between the capital cost for the nuclear power plant and the conventional power plant is made for all sites. Operating, maintenance, labor, supply, and fuel-oil costs were calculated for an annual cost that could be applied over the assumed 20-year life of the plant. Descriptions and designs of each site are included. (C.J.G.)

1960-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "initiative application power" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


241

REPORT: Aluminide Coatings for Power-Generation Applications  

Science Conference Proceedings (OSTI)

Oct 11, 2007 ... EXECUTIVE SUMMARY: Aluminide coatings are of interest for many high temperature applications because of the possibility of improving the...

242

Resource Management Services: Water Regulation, Part 600: Applications for Licenses and Preliminary Permits Under the Water Power Act (New York)  

Energy.gov (U.S. Department of Energy (DOE))

These regulations provide instructions for applications proposing the construction, repair, or operation of hydropower sources. Applications are reviewed by the Water Power and Control Commission.

243

Solar technology applications: a survey of solar powered irrigation systems  

DOE Green Energy (OSTI)

Published information on solar powered irrigation systems is presented. Thermal solar systems, thermoelectric solar systems, and photovoltaic solar systems are included. A bibliography and survey of on-going work is presented. (WHK)

Newkirk, H.W.

1978-04-17T23:59:59.000Z

244

The Conjugate-Gradient Variational Analysis and Initialization Method: An Application to MONEX SOP 2 Data  

Science Conference Proceedings (OSTI)

A conjugate-gradient variational blending technique, based on the method of direct minimization, has been developed and applied to the problem of initialization in a limited-area model in the summer monsoon region. The aim is to blend gridded ...

Mohan K. Ramamurthy; I. M. Navon

1992-10-01T23:59:59.000Z

245

Los Alamos National Laboratory Training Capabilities (Possible Applications in the Global Initiatives for Proliferation Prevention Program)  

Science Conference Proceedings (OSTI)

The briefing provides an overview of the training capabilities at Los Alamos National Laboratory that can be applied to nonproliferation/responsible science education at nuclear institutes in the Former Soviet Union, as part of the programmatic effort under the Global Initiatives for Proliferation Prevention program (GIPP).

Martin, Olga [Los Alamos National Laboratory

2012-06-04T23:59:59.000Z

246

Application of Vertical-Mode Initialization to a Limited-Area Model in Flux Form  

Science Conference Proceedings (OSTI)

The vertical-mode initialization procedure of Bourke and MeGregor is applied to a limited-area weather prediction model that is formulated in flux form and is shown to be successful in reducing the undesirable gravity-wave oscillations in ...

Keith D. Sashegyi; Rangarao V. Madala

1993-01-01T23:59:59.000Z

247

Program on Technology Innovation: Distributed Photovoltaic Power Applications for Utilities  

Science Conference Proceedings (OSTI)

Emerging PV technology brings significant opportunities for many stakeholders including electric utilities, electric customers, energy-service providers and PV equipment vendors. The opportunities for utilities range from owning and deploying various PV generation resources and related products to incentivizing other owners to install PV systems and technology that provide benefits to the power system. This technical update describes PV power system concepts that utilities may want to consider as they pl...

2009-12-30T23:59:59.000Z

248

Single-Phase Active Boost Rectifier with Power Factor Correction for Wireless Power Transfer Applications  

SciTech Connect

Wireless Power Transfer (WPT) technology is a novel research area in the charging technology that bridges utility and the automotive industries. There are various solutions that are currently being evaluated by several research teams to find the most efficient way to manage the power flow from the grid to the vehicle energy storage system. There are different control parameters that can be utilized to compensate for the change in the impedance. To understand the power flow through the system this paper presents a novel approach to the system model and the impact of different control parameters on the load power. The implementation of an active front-end rectifier on the grid side for power factor control and voltage boost capability for load power regulation is also discussed.

Chinthavali, Madhu Sudhan [ORNL; Onar, Omer C [ORNL; Miller, John M [ORNL; Tang, Lixin [ORNL

2013-01-01T23:59:59.000Z

249

Energy Storage for Power Systems Applications: A Regional Assessment for the Northwest Power Pool (NWPP)  

DOE Green Energy (OSTI)

Wind production, which has expanded rapidly in recent years, could be an important element in the future efficient management of the electric power system; however, wind energy generation is uncontrollable and intermittent in nature. Thus, while wind power represents a significant opportunity to the Bonneville Power Administration (BPA), integrating high levels of wind resources into the power system will bring great challenges to generation scheduling and in the provision of ancillary services. This report addresses several key questions in the broader discussion on the integration of renewable energy resources in the Pacific Northwest power grid. More specifically, it addresses the following questions: a) how much total reserve or balancing requirements are necessary to accommodate the simulated expansion of intermittent renewable energy resources during the 2019 time horizon, and b) what are the most cost effective technological solutions for meeting load balancing requirements in the Northwest Power Pool (NWPP).

Kintner-Meyer, Michael CW; Balducci, Patrick J.; Jin, Chunlian; Nguyen, Tony B.; Elizondo, Marcelo A.; Viswanathan, Vilayanur V.; Guo, Xinxin; Tuffner, Francis K.

2010-04-01T23:59:59.000Z

250

ASSESSMENT OF COMBINED HEAT AND POWER SYSTEM "PREMIUM POWER" APPLICATIONS IN CALIFORNIA  

E-Print Network (OSTI)

incentives to install CHP, the least expensive method to power the facility would be to buy all electricity and natural gas

Norwood, Zack

2010-01-01T23:59:59.000Z

251

Final Report: Assessment of Combined Heat and Power Premium Power Applications in California  

E-Print Network (OSTI)

incentives to install CHP the least expensive method to power the facility would be to buy all electricity and natural gas

Norwood, Zack

2010-01-01T23:59:59.000Z

252

Electromechanical Oscillations in Hydro-Dominant Power Systems: An Application to the Colombian Power System.  

E-Print Network (OSTI)

??Power system modeling that captures the dynamic behavior of the different components interacting in an electric grid is useful in understanding some observed phenomena that (more)

Villegas, Hugo N.

2011-01-01T23:59:59.000Z

253

IEEE POWER ENGINEERING SOCIETY GENERAL MEETING, PITTSBURGH, PA USA JULY 2008 1 Initial review of methods for cascading failure  

E-Print Network (OSTI)

of methods for cascading failure analysis in electric power transmission systems IEEE PES CAMS Task Force. The vital importance of electric power to our society motivates continued attention to maintaining power the power system. This definition is consistent with the usage in [10]. It differs from [75], who limit

Dobson, Ian

254

Smart Energy Management of Multiple Full Cell Powered Applications  

DOE Green Energy (OSTI)

In this research project the University of South Alabama research team has been investigating smart energy management and control of multiple fuel cell power sources when subjected to varying demands of electrical and thermal loads together with demands of hydrogen production. This research has focused on finding the optimal schedule of the multiple fuel cell power plants in terms of electric, thermal and hydrogen energy. The optimal schedule is expected to yield the lowest operating cost. Our team is also investigating the possibility of generating hydrogen using photoelectrochemical (PEC) solar cells through finding materials for efficient light harvesting photoanodes. The goal is to develop an efficient and cost effective PEC solar cell system for direct electrolysis of water. In addition, models for hydrogen production, purification, and storage will be developed. The results obtained and the data collected will be then used to develop a smart energy management algorithm whose function is to maximize energy conservation within a managed set of appliances, thereby lowering O/M costs of the Fuel Cell power plant (FCPP), and allowing more hydrogen generation opportunities. The Smart Energy Management and Control (SEMaC) software, developed earlier, controls electrical loads in an individual home to achieve load management objectives such that the total power consumption of a typical residential home remains below the available power generated from a fuel cell. In this project, the research team will leverage the SEMaC algorithm developed earlier to create a neighborhood level control system.

Mohammad S. Alam

2007-04-23T23:59:59.000Z

255

Review of power quality applications of energy storage systems  

DOE Green Energy (OSTI)

Under the sponsorship of the US Department of Energy (DOE) Office of Utility Technologies, the Energy Storage Systems Analysis and Development Department at Sandia National Laboratories contracted Sentech, Inc., to assess the impact of power quality problems on the electricity supply system. This report contains the results of several studies that have identified the cost of power quality events for electricity users and providers. The large annual cost of poor power quality represents a national inefficiency and is reflected in the cost of goods sold, reducing US competitiveness. The Energy Storage Systems (ESS) Program takes the position that mitigation merits the attention of not only the DOE but affected industries as well as businesses capable of assisting in developing solutions to these problems. This study represents the preliminary stages of an overall strategy by the ESS Program to understand the magnitude of these problems so as to begin the process of engaging industry partners in developing solutions.

Swaminathan, S.; Sen, R.K. [Sentech, Inc., Bethesda, MD (United States)

1997-05-01T23:59:59.000Z

256

Application-Driven Power Management for Mobile Communication  

E-Print Network (OSTI)

this paper, we present the design and implementation of an innovative transport level protocol capable of significantly reducing the power usage of the communication device. The protocol achieves power savings by selectively choosing short periods of time to suspend communications and shut down the communication device. It manages the important task of queuing data for future delivery during periods of communication suspension, and decides when to restart communication. We also address the tradeoff between reducing power consumption and reducing delay for incoming data. We present results from experiments using our implementation of the protocol. These experiments measure the energy consumption for three simulated communication patterns as well as three trace-based communication patterns and compare the effects of different suspension strategies. Our results show up to 83% savings in the energy consumed by the communication. For a high-end laptop, this can translate to 6--9% sav

Robin Kravets; P. Krishnan

2000-01-01T23:59:59.000Z

257

Modular photonic power and VCSEL-based data links for aerospace and military applications  

DOE Green Energy (OSTI)

If photonic data and power transfer links are constructed in a modular fashion, they can be easily adapted into various forms to meet a wide range of needs for aerospace and military applications. The performance specifications associated with these needs can vary widely according to application. Alignment tolerance needs also tend to vary greatly, as can requirements on power consumption. An example of a modular photonic data and/or power transfer link that can be applied to military and aerospace needs is presented. In this approach, a link is designed for low (<10 kb/s) data rates, ultra-low electrical power consumption, large alignment tolerance, and power transfer to provide complete electrical shielding in a remote module that might be found in a military or aerospace application.

Carson, R.F.

1997-02-01T23:59:59.000Z

258

Summary of State-of-the-Art Power Conversion Systems for Energy Storage Applications  

DOE Green Energy (OSTI)

The power conversion system (PCS) is a vital part of many energy storage systems. It serves as the interface between the storage device, an energy source, and an AC load. This report summarizes the results of an extensive study of state-of-the-art power conversion systems used for energy storage applications. The purpose of the study was to investigate the potential for cost reduction and performance improvement in these power conversion systems and to provide recommendations for fiture research and development. This report provides an overview of PCS technology, a description of several state-of-the-art power conversion systems and how they are used in specific applications, a summary of four basic configurations for l:he power conversion systems used in energy storage applications, a discussion of PCS costs and potential cost reductions, a summary of the stancku-ds and codes relevant to the technology, and recommendations for future research and development.

Atcitty, S.; Gray-Fenner, A.; Ranade, S.

1998-09-01T23:59:59.000Z

259

Three-phase power conversion system for utility-interconnected PV applications. Phase 1 technical progress report, 1 October 1995--17 April 1997  

DOE Green Energy (OSTI)

This report describes work performed by Omnion Power Corporation under Phase 1 of a two-phase subcontract. During this phase, Omnion researchers: designed an advanced product specification to guide prototype design and development; analyzed field failure data with Omnion`s hard-switched insulated-Gate Bipolar Transistor technology hardware to better understand where design improvements were needed; presented and reviewed product specifications with key customers/users; drafted a working product specification to serve as a baseline in developing the new power conversion system; developed the core-resonant converter technology in conjunction with Soft Switching Technologies Corp.; designed a 100-kW prototype power conversion system; designed a prototype system package; initiated interaction with vendors to optimize component selection and specifications; initiated the preparation of design documentation; built the prototype core-resonant converter and initiated preliminary testing; and initiated the assembly of a 1-kW prototype power conversion system. This work has demonstrated the potential of the soft-switching resonant DC link (RDCL) inverter and its application to a three-phase utility-interconnected PV power conversion system. The RDCL inverter has demonstrated its advantage over hard-switching pulse-width modulated inverters in terms of efficiency and audible noise. With proper package design and manufacturing process design and implementation, the RDCL power conversion system has the potential to be low-cost and reliable with superior performance.

Porter, D.G.; Meyer, H.; Leang, W. [Omnion Power Engineering Corp., East Troy, WI (United States)

1998-02-01T23:59:59.000Z

260

MEMS relays for make-break power switching applications : {111} silicon etched planar electrical contacts  

E-Print Network (OSTI)

Relays and switches are of interest in applications such as test equipment, radar, communications, and power systems, amongst others. Unlike solid state switches, mechanical relays provide galvanic isolation across the ...

Weber, Alexis Christian, 1974-

2008-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "initiative application power" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


261

A Short-Term Ensemble Wind Speed Forecasting System for Wind Power Applications  

Science Conference Proceedings (OSTI)

This study develops an adaptive, blended forecasting system to provide accurate wind speed forecasts 1 h ahead of time for wind power applications. The system consists of an ensemble of 21 forecasts with different configurations of the Weather ...

Justin J. Traiteur; David J. Callicutt; Maxwell Smith; Somnath Baidya Roy

2012-10-01T23:59:59.000Z

262

Use of Non-Traditional Water for Power Plant Applications: An...  

NLE Websites -- All DOE Office Websites (Extended Search)

Use of Non-Traditional Water for Power Plant Applications: An Overview of DOENETL R&D Efforts November 1, 2009 DOENETL-311040609 Disclaimer This report was prepared as an...

263

Uses and Applications of Climate Forecasts for Power Utilities  

Science Conference Proceedings (OSTI)

The uses and potential applications of climate forecasts for electric and gas utilities were assessed 1) to discern needs for improving climate forecasts and guiding future research, and 2) to assist utilities in making wise use of forecasts. In-...

Stanley A. Changnon; Joyce M. Changnon; David Changnon

1995-05-01T23:59:59.000Z

264

Photovoltaic-Concentrator Based Power Beaming For Space Elevator Application  

SciTech Connect

The MClimber team, at the Student Space Systems Fabrication Laboratory of the University of Michigan, has developed a prototype robotic climber for competition in the NASA sponsored Power Beaming Challenge. This paper describes the development of the system that utilizes a simple telescope to deliver an 8 kW beam to a photovoltaic panel in order to power a one kilometer climb. Its unique approach utilizes a precision GPS signal to track the panel. Fundamental systems of the project were implemented using a design strategy focusing on robustness and modularity. Development of this design and its results are presented.

Becker, Daniel E.; Chiang, Richard; Keys, Catherine C.; Lyjak, Andrew W.; Starch, Michael D. [S3FL, University of Michigan, Ann Arbor, MI, 48109 (United States); Nees, John A. [Center for Ultrafast Optical Science-University of Michigan, Ann Arbor, MI, 48109 (United States)

2010-05-06T23:59:59.000Z

265

Reliability-aware power management for parallel real-time applications with precedence constraints  

Science Conference Proceedings (OSTI)

The negative effects of the Dynamic Voltage and Frequency Scaling (DVFS) technique on the system reliability has recently promoted the research on reliability-aware power management (RAPM). RAPM aims at reducing the system energy consumption while preserving ... Keywords: shared-recovery based scheme, reliability aware power management, parallel real-time application, precedence constraint, dynamic voltage technique, frequency scaling technique, parallel real time application, shared memory multiprocessor system, NP-hard problem, RAPM heuristics, dynamic slack, system reliability

Yifeng Guo; Dakai Zhu; H. Aydin

2011-07-01T23:59:59.000Z

266

Notices Docket Numbers: ER11-3935-000. Applicants: CL Power Sales Eight,  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

2 Federal Register 2 Federal Register / Vol. 76, No. 131 / Friday, July 8, 2011 / Notices Docket Numbers: ER11-3935-000. Applicants: CL Power Sales Eight, LLC. Description: CL Power Sales Eight, LLC submits tariff filing per 35.37: CL Power Sales Eight, LLC Triennial MBR Update for the NE Region to be effective 6/30/2011. Filed Date: 06/29/2011. Accession Number: 20110629-5160. Comment Date: 5 p.m. Eastern Time on Monday, August 29, 2011. Docket Numbers: ER11-3936-000. Applicants: CP Power Sales Twenty, LLC. Description: CP Power Sales Twenty, LLC submits tariff filing per 35.37: CP Power Sales Twenty, LLC Triennial MBR Update for the NE Region to be effective 6/30/2011. Filed Date: 06/29/2011. Accession Number: 20110629-5161. Comment Date: 5 p.m. Eastern Time on Monday, August 29, 2011.

267

Exergy efficiency of small coal-fired power plants as a criterion of their wide applicability  

Science Conference Proceedings (OSTI)

The applicability of small coal-fired power plants as an independent and reliable power supply source was considered. The advantages of using small thermal power plants were given, and the classification characteristics of small coal-fired power plants were put forward. The exergy method was chosen as a versatility indicator for the operating efficiency of a flowsheet in question. The exergy efficiency factor of the flowsheet was 32%. With the manufacture of by-products, such as activated carbons, the exergy efficiency of the flowsheet increased to 35%. The studies undertaken substantiated the wide applicability of small coal-fired power plants for the development of decentralized power supply. 7 refs., 2 tabs.

O.V. Afanas'eva; G.R. Mingaleeva [Russian Academy of Sciences, Tatarstan (Russian Federation). Research Center of Power Engineering Problems

2009-02-15T23:59:59.000Z

268

ADVANCED POWER PLANT MODELING WITH APPLICATIONS TO THE ADVANCED BOILING  

E-Print Network (OSTI)

The components of a modern Advanced Boiling Water Reactor (ABWR) nuclear power plant are modeled in this thesis) is a single-cycle, forced circulation, light-water nuclear reactor designed by the General Electric Company better control of the nuclear reaction in the fuel core. 2.1 Modifications to the BWR [1] · The reactor

Mitchell, John E.

269

Electromechanical battery design suitable for back-up power applications  

SciTech Connect

The windings that couple energy into and out of the rotor of an electro-mechanical battery are modified. The normal stator windings of the generator/motor have been replaced by two orthogonal sets of windings. Because of their orthogonality, they are decoupled from each other electrically, though each can receive (or deliver) power flows from the rotating field produced by the array of permanent magnets. Due to the orthogonal design of the stator windings and the high mechanical inertia of the flywheel rotor, the resulting power delivered to the computer system is completely insensitive to any and all electrical transients and variabilities of the power from the main power source. This insensitivity includes complete failure for a period determined only by the amount of stored kinetic energy in the E-M battery modules that are supplied. Furthermore there is no need whatsoever for fast-acting, fractional-cycle switches, such as are employed in conventional systems, and which are complicated to implement.

Post, Richard F. (Walnut Creek, CA)

2002-01-01T23:59:59.000Z

270

A high-voltage low-power DC-DC buck regulator for automotive applications  

Science Conference Proceedings (OSTI)

This work presents a High-Voltage Low-Power CMOS DC-DC buck regulator for automotive applications. The overall system, including the high and low voltage analog devices, the power MOS and the low voltage digital devices, was realized in the Austriamicrosystems ... Keywords: DC-DC regulator, buck converter, current control, low quiscent current, pulse frequency modulation

G. Pasetti; L. Fanucci; R. Serventi

2010-03-01T23:59:59.000Z

271

Implementation and Testing of an Elastic Strain Powered Wireless Sensing System for Energy-Autonomous Applications  

Science Conference Proceedings (OSTI)

This paper presents implementation and testing of an elastic strain powered wireless sensing system for energy-autonomous applications. The system harvests strain energy from a vibrating structure and convert it into usable electrical energy for powering ... Keywords: strain energy, piezoelectric generator, wireless sensor communication node, structural health monitoring, energy-aware interface

Alessandro Giuliano, Vlad Marsic, Meiling Zhu

2012-11-01T23:59:59.000Z

272

Designing BEE: a hardware emulation engine for signal processing in low-power wireless applications  

Science Conference Proceedings (OSTI)

This paper describes the design of a large-scale emulation engine and an application example from the field of low-power wireless devices. The primary goal of the emulator is to support design space exploration of real-time algorithms. The emulator is ... Keywords: FPGA, design flow, hardware emulation, low power, rapid prototyping

Kimmo Kuusilinna; Chen Chang; M. Josephine Ammer; Brian C. Richards; Robert W. Brodersen

2003-01-01T23:59:59.000Z

273

Hardware acceleration of JPEG2000 image compression for low-power embedded applications  

Science Conference Proceedings (OSTI)

JPEG2000 is ideal as the next-generation still image compression standard, and it is expected to replace JPEG for embedded applications such as digital cameras. These typically require low-power operation, so by combining a low-power microprocessor with ... Keywords: EBCOT, JPEG2000, SoC, SoPC, embedded systems, image compression

Darren Freeman; Greg Knowles

2003-02-01T23:59:59.000Z

274

Risk-Based Maintenance Application Case Study: Risk Evaluation and Prioritization at a Fossil Power Plant  

Science Conference Proceedings (OSTI)

This report describes an application of the use of risk-based maintenance prioritization at a fossil power plant. In 2002, EPRI issued a report titled "Risk Based Maintenance Guideline" (product number 1004382) for fossil power plants. That guideline described several risk-based methods, which are being used in other industries primarily within the United States. Since then, a method called Risk Evaluation and Prioritization (REaP) has been evaluated for its use in decision making at fossil power plants ...

2003-12-18T23:59:59.000Z

275

SACM and the RCRA stabilization initiative: Similarities of principles and applicability  

SciTech Connect

The Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) and the corrective action provisions of the Resource Conservation and Recovery Act (RCRA) provide standards for the remediation of environmental media contaminated with hazardous substances or hazardous waste, respectively. In both cases, prior to the US Environmental Protection Agency`s (EPA) development of the two subject reform initiatives, existing formal processes specified the level of site investigation required, the process for reaching a decision on the method of remediation, public participation in the decision process, and enforcement authorities that include orders and schedules of compliance. Traditionally, implementation of these processes has resulted in a great amount of time, effort, and money being expended before actual remediation began. Following criticism from the public and the regulated community, the EPA has proposed streamlining reforms for hazardous waste site cleanup under both CERCLA and RCRA that will begin remediation sooner with lower costs. The purpose of this Information Brief is to discuss the common goals, processes, and strategies of the Superfund Accelerated Cleanup Model (SACM) and the RCRA Stabilization Initiative.

NONE

1996-01-01T23:59:59.000Z

276

Five Kilowatt Fuel Cell Demonstration for Remote Power Applications  

DOE Green Energy (OSTI)

While most areas of the US are serviced by inexpensive, dependable grid connected electrical power, many areas of Alaska are not. In these areas, electrical power is provided with Diesel Electric Generators (DEGs), at much higher cost than in grid connected areas. The reasons for the high cost of power are many, including the high relative cost of diesel fuel delivered to the villages, the high operational effort required to maintain DEGs, and the reverse benefits of scale for small utilities. Recent progress in fuel cell technologies have lead to the hope that the DEGs could be replaced with a more efficient, reliable, environmentally friendly source of power in the form of fuel cells. To this end, the University of Alaska Fairbanks has been engaged in testing early fuel cell systems since 1998. Early tests were conducted on PEM fuel cells, but since 2001, the focus has been on Solid Oxide Fuel Cells. In this work, a 5 kW fuel cell was delivered to UAF from Fuel Cell Technologies of Kingston, Ontario. The cell stack is of a tubular design, and was built by Siemens Westinghouse Fuel Cell division. This stack achieved a run of more than 1 year while delivering grid quality electricity from natural gas with virtually no degradation and at an electrical efficiency of nearly 40%. The project was ended after two control system failures resulted in system damage. While this demonstration was successful, considerable additional product development is required before this technology is able to provide electrical energy in remote Alaska. The major issue is cost, and the largest component of system cost currently is the fuel cell stack cost, although the cost of the balance of plant is not insignificant. While several manufactures are working on schemes for significant cost reduction, these systems do not as yet provide the same level of performance and reliability as the larger scale Siemens systems, or levels that would justify commercial deployment.

Dennis Witmer; Tom Johnson; Jack Schmid

2008-12-31T23:59:59.000Z

277

Nuclear Power Plant Fire Modeling Application Guide (NPP FIRE MAG)  

Science Conference Proceedings (OSTI)

There is a movement to introduce risk-informed and performance-based (RI/PB) analyses into fire protection engineering practice, both domestically and worldwide. This movement exists in both the general fire protection and the nuclear power plant (NPP) fire protection communities. The U.S. Nuclear Regulatory Commission (NRC) has used risk-informed insights as a part of its regulatory decision making since the 1990s.In 2001, the National Fire Protection Association (NFPA) ...

2012-11-30T23:59:59.000Z

278

DOWNHOLE POWER GENERATION AND WIRELESS COMMUNICATIONS FOR INTELLIGENT COMPLETIONS APPLICATIONS  

SciTech Connect

The third quarter of the project was dedicated to creating the detailed design for the manufacturing of the mechanical system for wireless communications and the power generation module. Another emphasis for the quarter was the development of the surface system and acoustic detector for the downhole tool for 2 way communications. The tasks accomplished during this report period were: (1) All detailed drawings for manufacturing of the wireless communications gauge and power generator were completed and the drawings were forward to a machine shop for manufacturing. (2) The power generator was incorporated to the mandrel of the wireless gauge reducing the length of the tool by 25% and manufacturing cost by about 35%. (3) The new piezoelectric acoustic generator was manufactured successfully and it was delivered during this quarter. The assembly provides a new technique to manufacture large diameter piezoelectric based acoustic generators. (4) The acoustic two-way communications development progressed significantly. The real time firmware for the surface system was developed and the processor was able to detect and process the data frame transmitted from downhole. The analog section of the tool was also developed and it is being tested for filtering capabilities and signal detection and amplification. (5) The new transformer to drive the piezoelectric wafer assembly was designed and manufactured. The transformer has been received and it will go through testing and evaluation during the next quarter.

Paul Tubel

2003-07-05T23:59:59.000Z

279

Nuclear Maintenance Applications Center: Considerations for Developing a Critical Parts Program at a Nuclear Power Plant  

Science Conference Proceedings (OSTI)

In 2003, Plant Support Engineering (PSE) of the Electric Power Research Institute (EPRI) published the report Critical Component Identification Process8212Licensee Examples: Scoping and Identification of Critical Components in Support of INPO AP-913 (1007935). That report was the initial output from a project to assist utilities that were implementing Institute of Nuclear Power Operations (INPO) AP-913, Equipment Reliability Process Description. Two of the key aspects of INPO AP-913 are the accurate scop...

2007-11-30T23:59:59.000Z

280

Analytical Exploration Of Power Efficient Data-Reuse Transformations On Multimedia Applications  

E-Print Network (OSTI)

Power savings that can be achieved by data-reuse decisions targeting at a custom memory hierarchy for multimedia applications executing on embedded cores are examined in this paper. Exploiting the temporal locality of memory accesses in data-intensive applications a set of data-reuse transformations on a typical motion estimation algorithm is determined. The aim is to reduce data related power consumption by moving background memory accesses to smaller foreground memories, which are less power costly. The impact of these transformations on power, performance and area is evaluated both for application specific circuits and general purpose processors. The number of data and instruction memory accesses is analytically calculated, enabling a fast exploration of the design space by varying algorithmic parameters.

S. Kougia; A. Chatzigeorgiou; N. Zervas; S. Nikolaidis

1999-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "initiative application power" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


281

A review of gas-cooled reactor concepts for SDI (Strategic Defense Initiative) applications  

DOE Green Energy (OSTI)

We have completed a review of multimegawatt gas-cooled reactor concepts proposed for SDI applications. Our study concluded that the principal reason for considering gas-cooled reactors for burst-mode operation was the potential for significant system mass savings over closed-cycle systems if open-cycle gas-cooled operation (effluent exhausted to space) is acceptable. The principal reason for considering gas-cooled reactors for steady-state operation is that they may represent a lower technology risk than other approaches. In the review, nine gas-cooled reactor concepts were compared to identify the most promising. For burst-mode operation, the NERVA (Nuclear Engine for Rocket Vehicle Application) derivative reactor concept emerged as a strong first choice since its performance exceeds the anticipated operational requirements and the technology has been demonstrated and is retrievable. Although the NERVA derivative concepts were determined to be the lead candidates for the Multimegawatt Steady-State (MMWSS) mode as well, their lead over the other candidates is not as great as for the burst mode. 90 refs., 2 figs., 10 tabs.

Marshall, A.C.

1989-08-01T23:59:59.000Z

282

Code Size Effects of Power Optimizing Code Transformations for Embedded Multimedia Applications  

E-Print Network (OSTI)

A systematic methodology has been developed for the reduction of the data transfers and storage related power consumption in realizations of multimedia applications on programmable multimedia processors. The methodology is based on the application of code transformations that move the main part of the memory accesses from the large (off-chip) memories to smaller ones (on-chip). Performance (in number of cycles) which is the overriding constraint for multimedia applications is improved in most cases by the application of the power optimizing code transformations as well. The main focus of this paper is on the effect of these power optimizing code transformations on the code size, an important design parameter that implicitly affects both the total system power consumption and the performance. Experimental results from real-life applications demonstrate that contrary to earlier conjectures, if applied well our methodology introduces only small code size penalties that do not offset the significant gains in both performance and power consumption achieved by its application.

K. Masselos; F. Catthoor; C. E. Goutis; H. Deman

1999-01-01T23:59:59.000Z

283

APPLICATIONS DDR/DDR2 Memory Power Supplies  

E-Print Network (OSTI)

Synchronous Buck Controller (VDDQ) The TPS51116 provides a complete power supply for Wide-Input Voltage Range: 3.0-V to 28-V both DDR/SSTL-2 and DDR2/SSTL-18 memory sys- DCAP Mode with 100-ns Load Step Re-tems. It integrates a synchronous buck controller with a 3-A sink/source tracking linear regulator and sponse buffered low noise reference. The TPS51116 offers Current Mode Option Supports Ceramic the lowest total solution cost in systems where space

unknown authors

2004-01-01T23:59:59.000Z

284

Radiolysis Concerns for Water Shielding in Fission Surface Power Applications  

Science Conference Proceedings (OSTI)

This paper presents an overview of radiolysis concerns with regard to water shields for fission surface power. A review of the radiolysis process is presented and key parameters and trends are identified. From this understanding of the radiolytic decomposition of water, shield pressurization and corrosion are identified as the primary concerns. Existing experimental and modeling data addressing concerns are summarized. It was found that radiolysis of pure water in a closed volume results in minimal, if any net decomposition, and therefore reduces the potential for shield pressurization and corrosion.

Schoenfeld, Michael P. [NASA Marshall Space Flight Center, ER24, MSFC, AL 35812 (United States); Anghaie, Samim [Innovative Space Power and Propulsion Institute, 800 SW Archer Rd. Bldg.554, P.O. Box 116502, University of Florida, Gainesville, FL 32611-6502 (United States)

2008-01-21T23:59:59.000Z

285

Code Transformations for Embedded Multimedia Applications: Impact on Power and Performance  

E-Print Network (OSTI)

A number of code transformations for embedded multimedia applications is presented in this paper and their impact on both system power and performance is evaluated. In terms of power the transformations move the accesses from the large background memories to small buffers that can be kept foreground. This leads to reduction of the memory related power consumption that forms the dominant part of the total power budget of such systems. The transformations also affect the code size and the system's performance which is usually the overriding issue in embedded systems. The impact of the transformations to the performance is analyzed in detail. The code parameters related to the performance of the system and the way they are affected by the transformations are identified. This allows for the development of a systematic methodology for the application of code transformations that achieve an optimal balance between power and performance.

Nikos D. Zervas; Kostas Masselos; C.E. Goutis

1998-01-01T23:59:59.000Z

286

Simulating the power consumption of large-scale sensor network applications  

E-Print Network (OSTI)

Developing sensor network applications demands a new set of tools to aid programmers. A number of simulation environments have been developed that provide varying degrees of scalability, realism, and detail for understanding the behavior of sensor networks. To date, however, none of these tools have addressed one of the most important aspects of sensor application design: that of power consumption. While simple approximations of overall power usage can be derived from estimates of node duty cycle and communication rates, these techniques often fail to capture the detailed, low-level energy requirements of the CPU, radio, sensors, and other peripherals. In this paper, we present PowerTOSSIM, a scalable simulation environment for wireless sensor networks that provides an accurate, per-node estimate of power consumption. PowerTOSSIM is an extension to TOSSIM, an event-driven simulation environment for TinyOS applications. In PowerTOSSIM, TinyOS components corresponding to specific hardware peripherals (such as the radio, EEPROM, LEDs, and so forth) are instrumented to obtain a trace of each devices activity during the simulation run. PowerTOSSIM employs a novel code-transformation technique to estimate the number of CPU cycles executed by each node, eliminating the need for expensive instruction-level simulation of sensor nodes. PowerTOSSIM includes a detailed model of hardware energy consumption based on the Mica2 sensor node platform. Through instrumentation of actual sensor nodes, we demonstrate that PowerTOSSIM provides accurate estimation of power consumption for a range of applications and scales to support very large simulations.

Victor Shnayder; Mark Hempstead; Bor-rong Chen; Geoff Werner Allen; Matt Welsh

2004-01-01T23:59:59.000Z

287

Industrial Carbon Management Initiative (ICMI)  

NLE Websites -- All DOE Office Websites (Extended Search)

Industrial Carbon Management Initiative Industrial Carbon Management Initiative (ICMI) Background The ICMI project is part of a larger program called Carbon Capture Simulation and Storage Initiative (C2S2I). The C2S2I has a goal of expanding the DOE's focus on Carbon Capture Utilization and Storage (CCUS) for advanced coal power systems and other applications, including the use of petroleum coke as a feedstock for the industrial sector. The American Recovery and Re-Investment Act (ARRA)-funded

288

Air-breathing fuel cell stacks for portable power applications  

DOE Green Energy (OSTI)

Increasing attention is being directed towards polymer electrolyte fuel cells as battery replacements because of their potentially superior energy densities and the possibility of `mechanical` refueling. On the low end of the power requirement scale (ca. 10 W), fuel cells can compete with primary and secondary batteries only if the fuel cell systems are simple, inexpensive, and reliable. Considerations of cost and simplicity (and minimal parasitic power) discourage the use of conventional performance enhancing subsystems (e.g., humidification, cooling, or forced-reactant flow). We are developing a stack design that is inherently self-regulating to allow effective operation without the benefit of such auxiliary components. The air cathode does not use forced flow to replenish the depleted oxygen. Instead, the oxygen in the air must diffuse into the stack from the periphery of the unit cells. For this reason the stack is described as `air-breathing.` This configuration limits the ability of water to escape which prevents the polymer electrolyte membranes from drying out, even at relatively high continuous operation temperatures (+60 degrees C). This results in stacks with reliable and stable performance. This air-breathing configuration assumes a unique stack geometry that utilizes circular flow-field plates with an annular hydrogen feed manifold and the single tie-bolt extending up through the central axis of the stack. With this geometry, the hydrogen supply to the unit cells is radially outward, and the air supply is from the periphery inward. This configuration has several advantages. The entire periphery is free to air access and allows greater heat conduction to enhance cooling. Furthermore, all of the components in the stack (e.g., the flow-fields, seals and membrane/electrode assemblies), are radially symmetrical, so part fabrication is simple and the entire system is potentially low-cost. Lastly, this configuration is compact and lightweight.

Wilson, M.S.; DeCaro, D.; Neutzler, J.K.; Zawodzinski, C.; Gottesfeld, S.

1996-10-01T23:59:59.000Z

289

Solar photovoltaic applications seminar: design, installation and operation of small, stand-alone photovoltaic power systems  

DOE Green Energy (OSTI)

This seminar material was developed primarily to provide solar photovoltaic (PV) applied engineering technology to the Federal community. An introduction to photoconductivity, semiconductors, and solar photovoltaic cells is included along with a demonstration of specific applications and application identification. The seminar details general systems design and incorporates most known information from industry, academia, and Government concerning small solar cell power system design engineering, presented in a practical and applied manner. Solar PV power system applications involve classical direct electrical energy conversion and electric power system analysis and synthesis. Presentations and examples involve a variety of disciplines including structural analysis, electric power and load analysis, reliability, sizing and optimization; and, installation, operation and maintenance. Four specific system designs are demonstrated: water pumping, domestic uses, navigational and aircraft aids, and telecommunications. All of the applications discussed are for small power requirement (under 2 kilowatts), stand-alone systems to be used in remote locations. Also presented are practical lessons gained from currently installed and operating systems, problems at sites and their resolution, a logical progression through each major phase of system acquisition, as well as thorough design reviews for each application.

Not Available

1980-07-01T23:59:59.000Z

290

High power linear pulsed beam annealer. [Patent application  

DOE Patents (OSTI)

A high power pulsed electron beam system for annealing semiconductors is comprised of an electron gun having a heated cathode, control grid and focus ring for confining the pulsed beam of electrons to a predetermined area, and a curved drift tube. The drift tube and an annular Faraday shield between the focus ring and the drift tube are maintained at a high positive voltage with respect to the cathode to accelerate electrons passing through the focus ring, thereby eliminating space charge limitations on the emission of electrons from said gun. A coil surrounding the curved drift tube provides a magnetic field which maintains the electron beam focused about the axis of the tube. The magnetic field produced by the coil around the curved tube imparts motion to electrons in a spiral path for shallow penetration of the electrons into a target. It also produces a scalloped profile of the electron beam. A second drift tube spaced a predetermined distance from the curved tube is positioned with its axis aligned with the axis of the first drift tube. The second drift tube and the target holder are maintained at a reference voltage between the cathode voltage and the curved tube voltage to decelerate the electrons. A second coil surrounding the second drift tube, maintains the electron beam focused about the axis of the second drift tube. The magnetic field of the second coil comprises the electron beam to the area of the semiconductor on the target holder.

Strathman, M.D.; Sadana, D.K.; True, R.B.

1980-11-26T23:59:59.000Z

291

North American Synchrophasor Initiative (NASPI) Program Information |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

North American Synchrophasor Initiative (NASPI) Program Information North American Synchrophasor Initiative (NASPI) Program Information North American Synchrophasor Initiative (NASPI) Program Information Summary of the Transmission Reliability program's North American Synchrophasor Initiative (NASPI) activity area. NASPI supports industry adoption of next-generation monitoring equipment to increase reliability and reduce costs for consumers through the development of secure, highspeed, time-synchronized data about bulk power system conditions. North American Synchrophasor Initiative (NASPI) Program Factsheet.pdf More Documents & Publications Synchrophasor Technologies and their Deployment in the Recovery Act Smart Grid Programs (August 2013) 2012 Advanced Applications Research & Development Peer Review - Day 1 Presentations

292

Balance of Plant Needs and Integration of Stack Components for Stationary Power and CHP Applications  

NLE Websites -- All DOE Office Websites (Extended Search)

Balance of Plant Needs and Balance of Plant Needs and Integration of Stack Components for Stationary Power and CHP Applications Applications Chris Ainscough P.E. Chief Engineer - PowerEdge Nuvera Fuel Cells cainscough@nuvera.com Background  Experience integrating systems based on fuel cells and reformers.  Applications include vehicles, combined heat and power (CHP), industrial plants, and forklifts. Who Needs Balance of Plant?  "...an electric generator that has no moving parts...This elegant device is called a fuel cell." Skerrett, P. J. "Fuel Cell Update." Popular Science. June 1993:89. print. No Moving Parts Except These  The typical fluid components in a PEM CHP system based on steam/methane reformer technology. (in red) SWITCH STACK PRV

293

PowerScope: A Tool for Profiling the Energy Usage of Mobile Applications  

E-Print Network (OSTI)

In this paper, we describe the design and implementation of PowerScope, a tool for profiling energy usage by applications. PowerScope maps energy consumption to program structure, in much the same way that CPU profilers map processor cycles to specific processes and procedures. Our approach combines hardware instrumentation to measure current level with kernel software support to perform statistical sampling of system activity. Postprocessing software maps the sample data to program structure and produces a profile of energy usage by process and procedure. Using PowerScope, we have been able to reduce the energy consumption of an adaptive video playing application by 46%. 1. Introduction Energy is a critical resource for mobile computers [5, 8]. In spite of many improvements in low-power hardware design and battery life, there is now growing awareness that a strategically viable approach to energy management must include higher levels of the system [2]. For example, a network applica...

Jason Flinn; M. Satyanarayanan

1999-01-01T23:59:59.000Z

294

Reducing power consumption while synchronizing a plurality of compute nodes during execution of a parallel application  

DOE Patents (OSTI)

Methods, apparatus, and products are disclosed for reducing power consumption while synchronizing a plurality of compute nodes during execution of a parallel application that include: beginning, by each compute node, performance of a blocking operation specified by the parallel application, each compute node beginning the blocking operation asynchronously with respect to the other compute nodes; reducing, for each compute node, power to one or more hardware components of that compute node in response to that compute node beginning the performance of the blocking operation; and restoring, for each compute node, the power to the hardware components having power reduced in response to all of the compute nodes beginning the performance of the blocking operation.

Archer, Charles J. (Rochester, MN); Blocksome, Michael A. (Rochester, MN); Peters, Amanda A. (Rochester, MN); Ratterman, Joseph D. (Rochester, MN); Smith, Brian E. (Rochester, MN)

2012-01-10T23:59:59.000Z

295

An Investigation to Resolve the Interaction Between Fuel Cell, Power Conditioning System and Application Loads  

DOE Green Energy (OSTI)

Development of high-performance and durable solidoxide fuel cells (SOFCs) and a SOFC power-generating system requires knowledge of the feedback effects from the power-conditioning electronics and from application-electrical-power circuits that may pass through or excite the power-electronics subsystem (PES). Therefore, it is important to develop analytical models and methodologies, which can be used to investigate and mitigate the effects of the electrical feedbacks from the PES and the application loads (ALs) on the reliability and performance of SOFC systems for stationary and non-stationary applications. However, any such attempt to resolve the electrical impacts of the PES on the SOFC would be incomplete unless one utilizes a comprehensive analysis, which takes into account the interactions of SOFC, PES, balance-of-plant system (BOPS), and ALs as a whole. SOFCs respond quickly to changes in load and exhibit high part- and full-load efficiencies due to its rapid electrochemistry, which is not true for the thermal and mechanical time constants of the BOPS, where load-following time constants are, typically, several orders of magnitude higher. This dichotomy can affect the lifetime and durability of the SOFCSs and limit the applicability of SOFC systems for load-varying stationary and transportation applications. Furthermore, without validated analytical models and investigative design and optimization methodologies, realizations of cost-effective, reliable, and optimal PESs (and power-management controls), in particular, and SOFC systems, in general, are difficult. On the whole, the research effort can lead to (a) cost-constrained optimal PES design for high-performance SOFCS and high energy efficiency and power density, (b) effective SOFC power-system design, analyses, and optimization, and (c) controllers and modulation schemes for mitigation of electrical impacts and wider-stability margin and enhanced system efficiency.

Sudip K. Mazumder

2005-12-31T23:59:59.000Z

296

Technical Assessment: Advanced Solid Oxide Fuel Cell Hybrids for Distributed Power Market Applications  

Science Conference Proceedings (OSTI)

High temperature solid oxide fuel cell (SOFCs) are under intense development in the U.S., Japan, and Europe. The U.S. DOE solid energy convergence alliance (SECA) has invested in SOFC technology for distributed power markets and for future applications involving integrated coal gasification. SOFC hybrid systems which incorporate the use of small turbines or turbo-charging have potentially high efficiencies near 60% LHV. Rolls Royce, GE Power Systems, Siemens, and Mitsubishi Heavy Industries are developin...

2007-03-22T23:59:59.000Z

297

ARMY GAS-COOLED REACTOR SYSTEMS PROGRAM. INITIAL FULL POWER AND LIMITED ENDURANCE TESTS OF THE ML-1 NUCLEAR POWER PLANT. Final Test Report  

SciTech Connect

The evaluation of the data generated during the full power and limited endurance tests of the ML-1 mobile nuclear power plant indicates that the reactor performs in accordance with the design specifications. During the 101 hr test period, the reactor attained a maximum power of 3.44 Mw( and 247 kw(e) was measured at the output shaft of the turbine-compressor set. No operating limits were exceeded during these tests and all systems performed satisfactorily Except for the known performance deficiency of the turbinecompressor set, which prevented the attainment of design output power, no operational, stability, or control problems were encountered. All test objectives were achieved and the tests were considered completely successful. (auth)

Kattchee, N.

1963-07-01T23:59:59.000Z

298

Improved performance of high average power semiconductor arrays for applications in diode pumped solid state lasers  

Science Conference Proceedings (OSTI)

The average power performance capability of semiconductor diode laser arrays has improved dramatically over the past several years. These performance improvements, combined with cost reductions pursued by LLNL and others in the fabrication and packaging of diode lasers, have continued to reduce the price per average watt of laser diode radiation. Presently, we are at the point where the manufacturers of commercial high average power solid state laser systems used in material processing applications can now seriously consider the replacement of their flashlamp pumps with laser diode pump sources. Additionally, a low cost technique developed and demonstrated at LLNL for optically conditioning the output radiation of diode laser arrays has enabled a new and scalable average power diode-end-pumping architecture that can be simply implemented in diode pumped solid state laser systems (DPSSL`s). This development allows the high average power DPSSL designer to look beyond the Nd ion for the first time. Along with high average power DPSSL`s which are appropriate for material processing applications, low and intermediate average power DPSSL`s are now realizable at low enough costs to be attractive for use in many medical, electronic, and lithographic applications.

Beach, R.; Emanuel, M.; Benett, W.; Freitas, B.; Ciarlo, D.; Carlson, N.; Sutton, S.; Skidmore, J.; Solarz, R.

1994-01-01T23:59:59.000Z

299

Application of wind power systems to the Service Area of the Minnesota Power and Light Company. Final report, July 1975--August 1976  

DOE Green Energy (OSTI)

Honeywell, in a joint effort with Minnesota Power and Light Company (MP and L), Boeing Vertol Company, and Dr. C.G. Justus, Georgia Institute of Technology, has conducted a regional application study of wind energy systems. Minnesota Power and Light Company, an investor-owned company with 853-MW owned capacity, has served as the case study subject utility. An initial system definition was developed based on available wind information and near-term wind turbine generator (WTG) technology. The system was tailored to fit MP and L's forecasted generation needs and the company's existing transmission and distribution system. Honeywell developed a WECS simulation to convert wind data to wind energy available for input to the utility's grid. The simulation was used to evaluate the performance of preliminary design wind turbine generators developed for ERDA/NASA by the General Electric Company and Kaman Aerospace Corporation, and to evaluate the performance of a wind turbine optimized for the Northern Minnesota wind regime and developed by the Boeing Vertol Company under subcontract to Honeywell.

Lindquist, O.H.; Malver, F.S.

1976-01-01T23:59:59.000Z

300

Assessment of the technology transfer potential of federal photovoltaic power system applications to commercial markets. Final report  

DOE Green Energy (OSTI)

An assessment of the market potential of photovoltaic power supplies is presented. Markets analyzed include the water pumping market, marine navigational aids, cathodic protection, remote general power sources, telecommunications, air navigational aids, mobile generator market, instrumentation, and utility connected applications.

Jaras, T F

1979-06-01T23:59:59.000Z

Note: This page contains sample records for the topic "initiative application power" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


301

Steam Generator Tube Integrity Risk Assessment: Volume 2: Application to Diablo Canyon Power Plant  

Science Conference Proceedings (OSTI)

Damage to steam generator tubing can impair its ability to adequately perform the required safety functions in terms of structural stability and leakage. This report describes the Diablo Canyon Power Plant application of a method for calculating risk for severe accidents involving steam generator tube failure. The method helps utilities determine risks associated with application of alternate repair criteria and/or operation with degraded tubing.

2000-08-08T23:59:59.000Z

302

Variable speed operation of generators with rotor-speed feedback in wind power applications  

SciTech Connect

The use of induction generators in wind power applications has been common since the early development of the wind industry. Most of these generators operate at fixed frequency and are connected directly to the utility grid. Unfortunately, this mode of operation limits the rotor speed to a specific rpm. Variable-speed operation is preferred in order to facilitate maximum energy capture over a wide range of wind speeds. This paper explores variable-speed operating strategies for wind turbine applications. The objectives are to maximize energy production, provide controlled start-up and reduce torque loading. This paper focuses on optimizing the energy captured by operating at maximum aerodynamic efficiency at any wind speed. The control strategy we analyze uses rotor speed and generator power as the feedback signals. In the normal operating region, rotor speed is used to compute a target power that corresponds to optimum operation. With power as the control objective, the power converter and generator are controlled to track the target power at any rpm. Thus, the torque-speed characteristic of the generator is shaped to optimize the energy capture. The target power is continuously updated at any rpm. in extreme areas of the operating envelope, during start-up, shutdown, generator overload, or overspeed, different strategies driven by other system considerations must be used.

Muljadi, E.; Butterfield, C.P.; Migliore, P.

1995-11-01T23:59:59.000Z

303

Final Report: Assessment of Combined Heat and Power Premium Power Applications in California  

Science Conference Proceedings (OSTI)

This report analyzes the current economic and environmental performance of combined heat and power (CHP) systems in power interruption intolerant commercial facilities. Through a series of three case studies, key trade-offs are analyzed with regard to the provision of black-out ridethrough capability with the CHP systems and the resutling ability to avoid the need for at least some diesel backup generator capacity located at the case study sites. Each of the selected sites currently have a CHP or combined heating, cooling, and power (CCHP) system in addition to diesel backup generators. In all cases the CHP/CCHP system have a small fraction of the electrical capacity of the diesel generators. Although none of the selected sites currently have the ability to run the CHP systems as emergency backup power, all could be retrofitted to provide this blackout ride-through capability, and new CHP systems can be installed with this capability. The following three sites/systems were used for this analysis: (1) Sierra Nevada Brewery - Using 1MW of installed Molten Carbonate Fuel Cells operating on a combination of digestor gas (from the beer brewing process) and natural gas, this facility can produce electricty and heat for the brewery and attached bottling plant. The major thermal load on-site is to keep the brewing tanks at appropriate temperatures. (2) NetApp Data Center - Using 1.125 MW of Hess Microgen natural gas fired reciprocating engine-generators, with exhaust gas and jacket water heat recovery attached to over 300 tons of of adsorption chillers, this combined cooling and power system provides electricity and cooling to a data center with a 1,200 kW peak electrical load. (3) Kaiser Permanente Hayward Hospital - With 180kW of Tecogen natural gas fired reciprocating engine-generators this CHP system generates steam for space heating, and hot water for a city hospital. For all sites, similar assumptions are made about the economic and technological constraints of the power generation system. Using the Distributed Energy Resource Customer Adoption Model (DER-CAM) developed at the Lawrence Berkeley National Laboratory, we model three representative scenarios and find the optimal operation scheduling, yearly energy cost, and energy technology investments for each scenario below: Scenario 1 - Diesel generators and CHP/CCHP equipment as installed in the current facility. Scenario 1 represents a baseline forced investment in currently installed energy equipment. Scenario 2 - Existing CHP equipment installed with blackout ride-through capability to replace approximately the same capacity of diesel generators. In Scenario 2 the cost of the replaced diesel units is saved, however additional capital cost for the controls and switchgear for blackout ride-through capability is necessary. Scenario 3 - Fully optimized site analysis, allowing DER-CAM to specify the number of diesel and CHP/CCHP units (with blackout ride-through capability) that should be installed ignoring any constraints on backup generation. Scenario 3 allows DER-CAM to optimize scheduling and number of generation units from the currently available technologies at a particular site. The results of this analysis, using real data to model the optimal schedulding of hypothetical and actual CHP systems for a brewery, data center, and hospital, lead to some interesting conclusions. First, facilities with high heating loads will typically prove to be the most appropriate for CHP installation from a purely economic standpoint. Second, absorption/adsorption cooling systems may only be economically feasible if the technology for these chillers can increase above current best system efficiency. At a coefficient of performance (COP) of 0.8, for instance, an adsorption chiller paired with a natural gas generator with waste heat recovery at a facility with large cooling loads, like a data center, will cost no less on a yearly basis than purchasing electricity and natural gas directly from a utility. Third, at marginal additional cost, if the reliability of CHP systems proves to be at

Norwood, Zack; Lipman, Tim; Marnay, Chris; Kammen, Dan

2008-09-30T23:59:59.000Z

305

Nuclear Maintenance Applications Center: Application Guide for Motor-Operated Valves in Nuclear Power Plants - Revision 2  

Science Conference Proceedings (OSTI)

Motor-operated gate and globe valves are widely used in both safety-related and non-safety-related systems in nuclear power plants. Their proper operation is essential for reliable plant performance and can help eliminate costly downtime. This second revision of the Application Guide for Motor-Operated Valves provides the latest in methods for conducting engineering evaluations in order to confirm that motor-operated gate, globe, and butterfly valves will perform their required function and offers sugges...

2007-08-22T23:59:59.000Z

306

Solutions for Summer Electric Power Shortages: Demand Response and its Applications in Air Conditioning and Refrigerating Systems  

E-Print Network (OSTI)

Research Director, PIER Demand Response Research CenterAssessment of Demand Response & Advanced Metering, staffPower Shortages: Demand Response and its Applications in Air

Han, Junqiao; Piette, Mary Ann

2008-01-01T23:59:59.000Z

307

An engineering-economic analysis of combined heat and power technologies in a (mu)grid application  

E-Print Network (OSTI)

Technologies in a Grid Application heat, usually in thethe Grid. In this Grid the heat loads are not that great,Combined Heat and Power Technologies in a Grid Application

Bailey, Owen; Ouaglal, Boubekeur; Bartholomew, Emily; Marnay, Chris; Bourassa, Norman

2002-01-01T23:59:59.000Z

308

Analysis of Power-Clocked CMOS with Application to the Design of Energy-Recovery Circuits*  

E-Print Network (OSTI)

Analysis of Power-Clocked CMOS with Application to the Design of Energy-Recovery Circuits* Massoud to the ground terminal, resulting in an irreversible energy conversion from electric energy to heat. As a result of energy conversion, i.e., one that minimizes the conversion of electric energy to heat. An energy

Pedram, Massoud

309

Scoping Study: Surface Mount Technology and Applications in Power Electronics and Control Systems  

Science Conference Proceedings (OSTI)

The electronics packaging industry has not seen a revolution of the magnitude of surface mount technology (SMT) since the development of the printed wiring board. This study examines the rapid shift toward SMT and provides an overview of SMT applications for power electronics and controls equipment manufacturers.

1996-10-06T23:59:59.000Z

310

Photovoltaics for municipal planners. Cost-effective municipal applications of photovoltaics for electric power  

DOE Green Energy (OSTI)

This booklet is intended for city and county government personnel, as well as community organizations, who deal with supplying, regulating, or recommending electric power resources. Specifically, this document deals with photovoltaic (PV) power, or power from solar cells, which is currently the most cost-effective energy source for electricity requirements that are relatively small, located in isolated areas, or difficult to serve with conventional technology. Recently, PV has been documented to be more cost-effective than conventional alternatives (such as line extensions or engine generators) in dozens of applications within the service territories of electric, gas, and communications utilities. Here, we document numerous cost-effective urban applications, chosen by planners and utilities because they were the most cost-effective option or because they were appropriate for environmental or logistical reasons. These applications occur within various municipal departments, including utility, parks and recreation, traffic engineering, transportation, and planning, and they include lighting applications, communications equipment, corrosion protection, irrigation control equipment, remote monitoring, and even portable power supplies for emergency situations.

Not Available

1993-04-01T23:59:59.000Z

311

State-of-the-Art Assessment of Polymer Electrolyte Membrane Fuel Cells for Distributed Power Applications  

Science Conference Proceedings (OSTI)

Low-temperature polymer electrolyte membrane fuel cell technology targeted for transportation markets has been rapidly advancing the past few years. This technology represents a potentially strategic retail access technology that could be useful in a variety of utility, commercial, and residential distributed power and retail energy service applications.

1997-01-08T23:59:59.000Z

312

Power Systems and Communications Infrastructures for the future, Beijing, September 2002 AN INITIAL COMPLEX SYSTEMS ANALYSIS OF THE RISKS OF  

E-Print Network (OSTI)

to fall off exponentially (as, for example, in a Weibull distribution). However, analyses of the NERC data-1 100 101 102 10-4 10-3 10-2 10-1 100 U.S. grid data 382-node Network Probabiltydistribution Load shed USA Introduction Electric power transmission systems are a key infrastructure and blackouts

313

Overview of the Chariton Valley switchgrass project: A part of the biomass power for rural development initiative  

DOE Green Energy (OSTI)

Investigation of renewable energy in Iowa is centering on the use of agricultural crops to generate electricity. Switchgrass, a native grass of Iowa, is one of the most promising biomass producers. Chariton Valley RC and D Inc., a USDA affiliated rural development organization based in southern Iowa and Alliant Power, a major Iowa energy company, are leading a statewide coalition of public and private interests to develop a sustainable biomass industry. Chariton Valley RC and D is working with local producers and the agricultural professionals to develop a biomass supply infrastructure. Alliant Power is working to develop the technology to convert agricultural crops to energy to serve as the basis for sustainable commercial energy production. Iowa State University and others are assessing the long-term potential of gasification for converting switchgrass to energy. Plans call for modifications to a 750 MW Alliant Power coal plant that will allow switchgrass to be co-fired with coal. A 5% co-fire rate would produce 35 MW of electrical power production and require 50,000 acres of dedicated biomass supply in southern Iowa. Growing biomass crops on erosive lands, then using them as a substitute fuel in coal-fired boilers can potentially reduce air pollution, greenhouse gas emissions, soil erosion and water pollution.

Cooper, J.; Braster, M. [Chariton Valley Resource Conservation and Development, Inc., Centerville, IA (United States); Woolsey, E. [E.L. Woolsey and Associates, Prole, IA (United States)

1998-12-31T23:59:59.000Z

314

Overview of free-piston Stirling engine technology for space power application  

SciTech Connect

An overview is presented of the National Aeronautics and Space Administration (NASA) Lewis Research Center (LeRC) free-piston Stirling engine activities directed toward space-power application. One of the major elements of the program is the development of advanced power conversion of which the Stirling cycle is a viable candidate. Under this program the status of the 25 kWe opposed-piston Space Power Demonstrator Engine (SPDE) is presented. Technology work is also conducted on heat-exchanger concepts, both design and fabrication, to minimize the number of joints as well as to enhance the heat transfer in the heater. Design parameters and conceptual design features are also presented for a 25 kWe, single-cylinder free-piston Stirling space-power converter. Projections are made for future space-power requirements over the next few decades along with a recommendation to consider the use of dynamic power-conversion systems - either solar or nuclear. A description of a study to investigate the feasibility of scaling a single-cylinder free-piston Stirling space-power module to the 150 kWe power range is presented.

Slaby, J.G.

1987-01-01T23:59:59.000Z

315

Topology, Design, Analysis, and Thermal Management of Power Electronics for Hybrid Electric Vehicle Applications  

DOE Green Energy (OSTI)

Power electronics circuits play an important role in the success of electric, hybrid and fuel cell vehicles. Typical power electronics circuits in hybrid vehicles include electric motor drive circuits and DC/DC converter circuits. Conventional circuit topologies, such as buck converters, voltage source inverters and bidirectional boost converters are challenged by system cost, efficiency, controllability, thermal management, voltage and current capability, and packaging issues. Novel topologies, such as isolated bidirectional DC/DC converters, multilevel converters, and Z-source inverters, offer potential improvement to hybrid vehicle system performance, extended controllability and power capabilities. This paper gives an overview of the topologies, design, and thermal management, and control of power electronics circuits in hybrid vehicle applications.

Mi, C.; Peng, F. Z.; Kelly, K. J.; O'Keefe, M.; Hassani, V.

2008-01-01T23:59:59.000Z

316

Evaluation and Optimization of a Supercritical Carbon Dioxide Power Conversion Cycle for Nuclear Applications  

Science Conference Proceedings (OSTI)

There have been a number of studies involving the use of gases operating in the supercritical mode for power production and process heat applications. Supercritical carbon dioxide (CO2) is particularly attractive because it is capable of achieving relatively high power conversion cycle efficiencies in the temperature range between 550C and 750C. Therefore, it has the potential for use with any type of high-temperature nuclear reactor concept, assuming reactor core outlet temperatures of at least 550C. The particular power cycle investigated in this paper is a supercritical CO2 Recompression Brayton Cycle. The CO2 Recompression Brayton Cycle can be used as either a direct or indirect power conversion cycle, depending on the reactor type and reactor outlet temperature. The advantage of this cycle when compared to the helium Brayton Cycle is the lower required operating temperature; 550C versus 850C. However, the supercritical CO2 Recompression Brayton Cycle requires an operating pressure in the range of 20 MPa, which is considerably higher than the required helium Brayton cycle operating pressure of 8 MPa. This paper presents results of analyses performed using the UniSim process analyses software to evaluate the performance of the supercritical CO2 Brayton Recompression Cycle for different reactor outlet temperatures. The UniSim model assumed a 600 MWt reactor power source, which provides heat to the power cycle at a maximum temperature of between 550C and 750C. The UniSim model used realistic component parameters and operating conditions to model the complete power conversion system. CO2 properties were evaluated, and the operating range for the cycle was adjusted to take advantage of the rapidly changing conditions near the critical point. The UniSim model was then optimized to maximize the power cycle thermal efficiency at the different maximum power cycle operating temperatures. The results of the analyses showed that power cycle thermal efficiencies in the range of 40 to 50% can be achieved.

Edwin A. Harvego; Michael G. McKellar

2011-05-01T23:59:59.000Z

317

Prognostics and Health Management in Nuclear Power Plants: A Review of Technologies and Applications  

SciTech Connect

This report reviews the current state of the art of prognostics and health management (PHM) for nuclear power systems and related technology currently applied in field or under development in other technological application areas, as well as key research needs and technical gaps for increased use of PHM in nuclear power systems. The historical approach to monitoring and maintenance in nuclear power plants (NPPs), including the Maintenance Rule for active components and Aging Management Plans for passive components, are reviewed. An outline is given for the technical and economic challenges that make PHM attractive for both legacy plants through Light Water Reactor Sustainability (LWRS) and new plant designs. There is a general introduction to PHM systems for monitoring, fault detection and diagnostics, and prognostics in other, non-nuclear fields. The state of the art for health monitoring in nuclear power systems is reviewed. A discussion of related technologies that support the application of PHM systems in NPPs, including digital instrumentation and control systems, wired and wireless sensor technology, and PHM software architectures is provided. Appropriate codes and standards for PHM are discussed, along with a description of the ongoing work in developing additional necessary standards. Finally, an outline of key research needs and opportunities that must be addressed in order to support the application of PHM in legacy and new NPPs is presented.

Coble, Jamie B.; Ramuhalli, Pradeep; Bond, Leonard J.; Hines, Wes; Upadhyaya, Belle

2012-07-17T23:59:59.000Z

318

Inspection of Nuclear Power Plant Structures - Overview of Methods and Related Applications  

SciTech Connect

The objectives of this limited study were to provide an overview of the methods that are available for inspection of nuclear power plant reinforced concrete and metallic structures, and to provide an assessment of the status of methods that address inspection of thick, heavily-reinforced concrete and inaccessible areas of the containment metallic pressure boundary. In meeting these objectives a general description of nuclear power plant safety-related structures was provided as well as identification of potential degradation factors, testing and inspection requirements, and operating experience; methods for inspection of nuclear power plant reinforced concrete structures and containment metallic pressure boundaries were identified and described; and applications of nondestructive evaluation methods specifically related to inspection of thick-section reinforced concrete structures and inaccessible portions of containment metallic pressure boundaries were summarized. Recommendations are provided on utilization of test article(s) to further advance nondestructive evaluation methods related to thick-section, heavily-reinforced concrete and inaccessible portions of the metallic pressure boundary representative of nuclear power plant containments. Conduct of a workshop to provide an update on applications and needed developments for nondestructive evaluation of nuclear power plant structures would also be of benefit.

Naus, Dan J [ORNL

2009-05-01T23:59:59.000Z

319

Direct methanol fuel cells: Developments for portable power and for potential transportation applications  

DOE Green Energy (OSTI)

The authors describe here results of recent efforts at Los Alamos National Laboratory (LANL), devoted to potential application of Direct Methanol Fuel Cells (DMFCs) as (1) portable power sources at the 50 W level, and (2) primary power sources for electric vehicles. In general, DMFC R and D efforts focus on further improvements in anode catalytic activity, fuel utilization (as related to methanol crossover) and air cathode performance in the presence of the presence of the significant flux of aqueous methanol from anode to cathode. There are significant differences between technical parameters and targets for the two different DMFC applications, which the authors have addressed. They include the lower cell temperature (about 60 C) preferred in portable power vs. operation around 100 C as target temperature for transportation applications, and the much stronger concern for cost of catalyst and any other stack materials in DMFCs developed for potential transportation applications. Most, if not all, recent DMFC work for either portable power or potential transportation applications has strongly focused on cells with polymeric (primarily PFSA) membrane electrolytes. In work at LANL, thin film catalysts bonded to the membrane, e.g., by the decal method, provided best results in terms of catalyst utilization and overall cell performance. In most tests, the single DMFC hardware consisted of uncatalyzed carbon-cloth gas-diffusion backings and graphite blocks with machined serpentine flow channels--quite similar to hardware employed in work with hydrogen/air PEFCs. However, the machined graphite hardware has recently been replaced by alternative, non-machined flow-field/bipolar plates, which enables effective air and aqueous methanol solution distribution along an active area of 50 cm{sup 2}, at a pitch per cell of 2 mm.

Ren, X.; Thomas, S.C.; Zelenay, P.; Gottesfeld, S.

1998-12-31T23:59:59.000Z

320

HYDROGEN STORAGE SOLUTIONS IN SUPPORT OF DOD WARFIGHTER PORTABLE POWER APPLICATIONS  

DOE Green Energy (OSTI)

From Personal Digital Assistants (PDAs) to cell phones our high-tech world, today, is demanding smaller, lighter weight and higher capacity portable power devices. Nowhere has this personal power surge been more evident than in today's U.S Warfighter. The modern Warfighter is estimated to carry from 65 to 95 pounds of supplies in the field with over 30 pounds of this dedicated to portable power devices. These devices include computer displays, infrared sights, Global Positioning Systems (GPS), night vision and a variety of other sensor technologies. Over 80% of the energy needed to power these devices comes from primary (disposable) batteries. It is estimated that a brigade will consume as much as 7 tons of batteries in a 72 hour mission at a cost of $700,000. A recent comprehensive study on the energy needs of the future warrior published by the National Academy of Science in 2004 made a variety of recommendations for average power systems from 20 to 1,000 watts. For lower power systems recommendations included pursuing science and technology initiatives focused on: (1) 300 watt-hours per kilogram (Wh/kg) secondary battery technologies; (2) smart hybrids; and (3) fuel cells (with greater than 6 wt% hydrogen storage). Improved secondary (rechargeable) batteries may be the ideal solution for military power systems due to their ease of use and public acceptance. However, a 3X improvement in their specific energy density is not likely anytime soon. Today's Lithium Ion batteries, at about 150 Wh/kg, fall well short of the energy density that is required. Future battery technology may not be the answer since many experts do not predict more than a 2X improvement in Lithium battery systems over the next 10 years. That is why most auto companies have abandoned all electric vehicles in favor of fuel cells and hybrid vehicles. Fuel cells have very high specific energy densities but achieving high energy values will depend on the energy density and the storage method of its fuel. Improved methods of safely and efficiently storing larger amounts of hydrogen will be a key development area for portable fuel cell power systems. Despite their high potential energy, fuel cells exhibit low power densities. That is why many systems today are going hybrid. Hybrid systems typically combine low energy and high power components with high energy and low power components. Typical configurations include capacitors and fuel cells or batteries and fuel cells. If done correctly, a hybrid system often can have both high energy and high power density even higher than any of the individual components.

Motyka, T.

2009-01-06T23:59:59.000Z

Note: This page contains sample records for the topic "initiative application power" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


321

Solutions for Summer Electric Power Shortages: Demand Response andits Applications in Air Conditioning and Refrigerating Systems  

SciTech Connect

Demand response (DR) is an effective tool which resolves inconsistencies between electric power supply and demand. It further provides a reliable and credible resource that ensures stable and economical operation of the power grid. This paper introduces systematic definitions for DR and demand side management, along with operational differences between these two methods. A classification is provided for DR programs, and various DR strategies are provided for application in air conditioning and refrigerating systems. The reliability of DR is demonstrated through discussion of successful overseas examples. Finally, suggestions as to the implementation of demand response in China are provided.

Han, Junqiao; Piette, Mary Ann

2007-11-30T23:59:59.000Z

322

Aviation Applications for Satellite-Based Observations of Cloud Properties, Convection Initiation, In-Flight Icing, Turbulence, and Volcanic Ash  

Science Conference Proceedings (OSTI)

Advanced Satellite Aviation Weather Products (ASAP) was jointly initiated by the NASA Applied Sciences Program and the NASA Aviation Safety and Security Program in 2002. The initiative provides a valuable bridge for transitioning new and existing ...

John R. Mecikalski; Todd A. Berendes; Wayne F. Feltz; Kristopher M. Bedka; Sarah T. Bedka; John J. Murray; Anthony J. Wimmers; Pat Minnis; David B. Johnson; Julie Haggerty; Ben Bernstein; Michael Pavolonis; Earle Williams

2007-10-01T23:59:59.000Z

323

Embedded DRAM (eDRAM) Power-Energy Estimation for System-on-a-chip (SoC) Applications  

Science Conference Proceedings (OSTI)

EmbeddedDRAM (eDRAM) power-energy estimation is presented for system-on-a-chip (SOC) applications. The main feature is the signal swing based analytic (SSBA) model, which improves the accuracy of the conventional SRAM power-energy models. The SSBA model ... Keywords: embedded DRAM, power estimation

Yong-Ha Park; Hoi-Jun Yoo; Jeonghoon Kook

2002-01-01T23:59:59.000Z

324

IdlePower: Application-Aware Management of Processor Idle States Hrishikesh Amur Ripal Nathuji Mrinmoy Ghosh  

E-Print Network (OSTI)

is that the processor is unable to transition to a power-saving deep C-state. 60. 65. 70. 75. 80. 85. 90. 95. 100. 0 1 2IdlePower: Application-Aware Management of Processor Idle States Hrishikesh Amur Ripal Nathuji. With careful adaptation schemes, the system can save power by entering different idle states dynamically

Lee, Hsien-Hsin "Sean"

325

Design of a Novel, Battery-less, Solar Powered Wireless Tag for Enhanced Range Remote Tracking Applications  

E-Print Network (OSTI)

Design of a Novel, Battery-less, Solar Powered Wireless Tag for Enhanced Range Remote Tracking introduces a novel battery-less solar powered wireless tag for remote tracking application. A combination and Microwave/antenna design are utilized to establish an asynchronous wireless link between the solar powered

Tentzeris, Manos

326

Energy Storage Application Brief -- Case History for Large Flywheel System: Piller -- Flywheel Energy Storage Systems for Premium Power  

Science Conference Proceedings (OSTI)

Piller of Middleton, New York produces premium power systems for power quality and uninterruptible power supply (UPS) applications. An entire family of products is commercially available in a variety of system and circuit configurations for industrial use. These products are beneficial because they are highly reliable and protect from voltage sags. The energy storage components of these systems uses mature, conventional flywheel technology. This technology review describes the various applications of the...

1999-11-23T23:59:59.000Z

327

Nuclear Energy Research Initiative. Risk Informed Assessment of Regulatory and Design Requirements for Future Nuclear Power Plants. Annual Report  

Science Conference Proceedings (OSTI)

The overall goal of this research project is to support innovation in new nuclear power plant designs. This project is examining the implications, for future reactors and future safety regulation, of utilizing a new risk-informed regulatory system as a replacement for the current system. This innovation will be made possible through development of a scientific, highly risk-informed approach for the design and regulation of nuclear power plants. This approach will include the development and.lor confirmation of corresponding regulatory requirements and industry standards. The major impediment to long term competitiveness of new nuclear plants in the U.S. is the capital cost component--which may need to be reduced on the order of 35% to 40% for Advanced Light Water Reactors (ALWRs) such as System 80+ and Advanced Boiling Water Reactor (ABWR). The required cost reduction for an ALWR such as AP600 or AP1000 would be expected to be less. Such reductions in capital cost will require a fundamental reevaluation of the industry standards and regulatory bases under which nuclear plants are designed and licensed. Fortunately, there is now an increasing awareness that many of the existing regulatory requirements and industry standards are not significantly contributing to safety and reliability and, therefore, are unnecessarily adding to nuclear plant costs. Not only does this degrade the economic competitiveness of nuclear energy, it results in unnecessary costs to the American electricity consumer. While addressing these concerns, this research project will be coordinated with current efforts of industry and NRC to develop risk-informed, performance-based regulations that affect the operation of the existing nuclear plants; however, this project will go farther by focusing on the design of new plants.

Ritterbusch, S.E.

2000-08-01T23:59:59.000Z

328

Superconducting magnetic energy storage applications and benefits for electric utility power systems  

DOE Green Energy (OSTI)

Large SMES units are being studied for electric utility applications as diurnal, load-curve leveling and as transient stabilizer units. Such SMES units show promise of providing greater operating flexibility than pumped-hydro or other types of energy storage. This operating flexibility, together with its fast response capability to provide transient and dynamic stabilization benefits to a power system, are discussed. Small SMES units are being designed for dynamic stability applications on electric power systems for use when negatively damped system operating conditions are encountered. The 30-MJ, 10-MW SMES dynamic-stabilizer design is presented; and the status of the component development and fabrication contracts which have been placed with commercial manufacturers is discussed.

Turner, R.D.

1979-01-01T23:59:59.000Z

329

Potential nanotechnology applications for reducing freshwater consumption at coal fired power plants : an early view.  

DOE Green Energy (OSTI)

This report was funded by the U.S. Department of Energy's (DOE's) National Energy Technology Laboratory (NETL) Existing Plants Research Program, which has an energy-water research effort that focuses on water use at power plants. This study complements the overall research effort of the Existing Plants Research Program by evaluating water issues that could impact power plants. A growing challenge to the economic production of electricity from coal-fired power plants is the demand for freshwater, particularly in light of the projected trends for increasing demands and decreasing supplies of freshwater. Nanotechnology uses the unique chemical, physical, and biological properties that are associated with materials at the nanoscale to create and use materials, devices, and systems with new functions and properties. It is possible that nanotechnology may open the door to a variety of potentially interesting ways to reduce freshwater consumption at power plants. This report provides an overview of how applications of nanotechnology could potentially help reduce freshwater use at coal-fired power plants. It was developed by (1) identifying areas within a coal-fired power plant's operations where freshwater use occurs and could possibly be reduced, (2) conducting a literature review to identify potential applications of nanotechnology for facilitating such reductions, and (3) collecting additional information on potential applications from researchers and companies to clarify or expand on information obtained from the literature. Opportunities, areas, and processes for reducing freshwater use in coal-fired power plants considered in this report include the use of nontraditional waters in process and cooling water systems, carbon capture alternatives, more efficient processes for removing sulfur dioxide and nitrogen oxides, coolants that have higher thermal conductivities than water alone, energy storage options, and a variety of plant inefficiencies, which, if improved, would reduce energy use and concomitant water consumption. These inefficiencies include air heater inefficiencies, boiler corrosion, low operating temperatures, fuel inefficiencies, and older components that are subject to strain and failure. A variety of nanotechnology applications that could potentially be used to reduce the amount of freshwater consumed - either directly or indirectly - by these areas and activities was identified. These applications include membranes that use nanotechnology or contain nanomaterials for improved water purification and carbon capture; nano-based coatings and lubricants to insulate and reduce heat loss, inhibit corrosion, and improve fuel efficiency; nano-based catalysts and enzymes that improve fuel efficiency and improve sulfur removal efficiency; nanomaterials that can withstand high temperatures; nanofluids that have better heat transfer characteristics than water; nanosensors that can help identify strain and impact damage, detect and monitor water quality parameters, and measure mercury in flue gas; and batteries and capacitors that use nanotechnology to enable utility-scale storage. Most of these potential applications are in the research stage, and few have been deployed at coal-fired power plants. Moving from research to deployment in today's economic environment will be facilitated with federal support. Additional support for research development and deployment (RD&D) for some subset of these applications could lead to reductions in water consumption and could provide lessons learned that could be applied to future efforts. To take advantage of this situation, it is recommended that NETL pursue funding for further research, development, or deployment for one or more of the potential applications identified in this report.

Elcock, D. (Environmental Science Division)

2010-09-17T23:59:59.000Z

330

RPM-SIM-Based Analysis of Power Converter Applications in Renewable Energy Systems: Preprint  

DOE Green Energy (OSTI)

This paper briefly presents the RPM-SIM simulator and, in particular, its abilities to simulate and analyze renewable energy systems with power converters. This modular simulation system is used to study applications and cost-effective performance of renewable energy systems, analyze both static and dynamic performance, develop control strategies, and simulate autonomous renewable energy systems under different generation and load conditions (such as different wind speeds, temperature, insolation conditions, and load profiles).

Bialasiewicz, J. T.; Muljadi, E.; Nix, R. G.

2001-11-01T23:59:59.000Z

331

SOME SPECIAL APPLICATIONS OF WELDING IN STEAM, GAS TURBINE, AND NUCLEAR POWER PLANTS  

SciTech Connect

Six special applications of welding in steam, gasturbine, and nuclear power plants are described. Experiences are quoted of: the welding of austenittc steel gas-turbine rotors; the butt welding of heat-exchanger tubes in dissimilar metals; the welding of steam pipes for advanced steam conditions; welding in relation to feedwater heaters; the construction of expansion bellows in alloy steels; and the attachment of fins to heat-exchanger tubes. (auth)

Robertson, J.M.

1961-10-01T23:59:59.000Z

332

Application of smart grid in photovoltaic power systems, ForskEL (Smart  

Open Energy Info (EERE)

smart grid in photovoltaic power systems, ForskEL (Smart smart grid in photovoltaic power systems, ForskEL (Smart Grid Project) Jump to: navigation, search Project Name Application of smart grid in photovoltaic power systems, ForskEL Country Denmark Coordinates 56.26392°, 9.501785° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":56.26392,"lon":9.501785,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

333

An ultra low-power digitally-controlled buck converter IC for cellular phone applications  

E-Print Network (OSTI)

Abstract This paper describes a dual-mode digitallycontrolled buck converter IC for cellular phone applications. An architecture employing internal power management is introduced to ensure voltage compatibility between a singlecell lithium-ion battery voltage and a low voltage integrated circuit technology. Special purpose analog and digital interface elements are developed. These include a ring-oscillator based ADC (ring-ADC), which is nearly entirely synthesizable, robust against switching noise, and has flexible resolution control, and a very low power ring oscillator-multiplexer based Digital PWM generation module (ring-MUX DPWM). The chip, which includes an output power stage rated for 400 mA, occupies 2mm 2 active area in 0.25-m CMOS. Very high efficiencies are achieved over a load range of 0.1 to 400 mA. Measured quiescent current in PFM mode is 4 A. I.

Jinwen Xiao; Angel Peterchev; Jianhui Zhang; Seth Sanders

2004-01-01T23:59:59.000Z

334

Assessment of instrumentation needs for advanced coal power plant applications: Final report  

DOE Green Energy (OSTI)

The purpose of this study was to identify contaminants, identify instrumentation needs, assess available instrumentation and identify instruments that should be developed for controlling and monitoring gas streams encountered in the following power plants: Integrated Gasification Combined Cycle, Pressurized Fluidized Bed Combustion, and Gasification Molten Carbonate Fuel Cell. Emphasis was placed on hot gas cleanup system gas stream analysis, and included process control, research and environmental monitoring needs. Commercial process analyzers, typical of those currently used for process control purposes, were reviewed for the purpose of indicating commercial status. No instrument selection guidelines were found which were capable of replacing user interaction with the process analyzer vendors. This study leads to the following conclusions: available process analyzers for coal-derived gas cleanup applications satisfy current power system process control and regulatory requirements, but they are troublesome to maintain; commercial gas conditioning systems and in situ analyzers continue to be unavailable for hot gas cleanup applications; many research-oriented gas stream characterization and toxicity assessment needs can not be met by commercially available process analyzers; and greater emphasis should be placed on instrumentation and control system planning for future power plant applications. Analyzers for specific compounds are not recommended other than those needed for current process control purposes. Instead, some generally useful on-line laser-based and inductively coupled plasma methods are recommended for further development because of their potential for use in present hot gas cleanup research and future optimization, component protection and regulation compliance activities. 48 refs., 21 figs., 26 tabs.

Nelson, E.T.; Fischer, W.H.; Lipka, J.V.; Rutkowski, M.D.; Zaharchuk, R.

1987-10-01T23:59:59.000Z

335

A peak power tracker for small wind turbines in battery charging applications  

Science Conference Proceedings (OSTI)

This paper describes the design, implementation and testing of a prototype version of a peak power tracking system for small wind turbines in battery charging applications. The causes for the poor performance of small wind turbines in battery charging applications are explained and previously proposed configurations to increase the power output of the wind turbines are discussed. Through computer modeling of the steady-state operation the potential performance gain of the proposed system in comparison with existing systems is calculated. It is shown that one configuration consisting of reactive compensation by capacitors and a DC/DC converter is able to optimally load the wind turbine and thus obtain maximum energy capture over the whole range of wind speeds. A proof of concept of the peak power tracking system is provided by building and testing a prototype version. The peak power tracking system is tested in combination with a typical small wind turbine generator on a dynamometer. Steady-state operating curves confirming the performance improvement predicted by calculations are presented.

De Broe, A.M.; Drouilhet, S.; Gevorgian, V.

1999-12-01T23:59:59.000Z

336

System planning analysis applied to OTEC: initial cases by Florida Power Corporation. Task II report No. FC-5237-2  

DOE Green Energy (OSTI)

The objective of the task was to exercise the FPC system planning methodology on: (1) Base Case, 10 year generation expansion plan with coal plants providing base load expansion, and (2) same, but 400 MW of OTEC substituting for coal burning units with equal resultant system reliability. OTEC inputs were based on reasonable economic projections of direct capital cost and O and M costs for first-generation large commercial plants. OTEC inputs discussed in Section 2. The Base Case conditions for FPC system planning methodology involved base load coal fueled additions during the 1980's and early 1990's. The first trial runs of the PROMOD system planning model substituted OTEC for 400 MW purchases of coal generated power during 1988-1989 and then 400 MW coal capacity thereafter. Result showed higher system reliability than Base Case runs. Reruns with greater coal fueled capacity displacement showed that OTEC could substitute for 400 MW purchases in 1988-1989 and replace the 800 MW coal unit scheduled for 1990 to yield equivalent system reliability. However, a 1995 unit would need to be moved to 1994. Production costing computer model runs were used as input to Corporate Model to examine corporate financial impact. Present value of total revenue requirements were primary indication of relative competitiveness between Base Case and OTEC. Results show present value of total revenue requirements unfavorable to OTEC as compared to coal units. The disparity was in excess of the allowable range for possible consideration.

None

1980-03-01T23:59:59.000Z

337

Evaluation of Power Line Carrier Technologies for Automotive Smart Charging Applications  

Science Conference Proceedings (OSTI)

In support of the Society of Automotive Engineers (SAE) Hybrid J2836J2847J2931 Committee, EPRI has undertaken evaluation of a set of power line carrier (PLC) technologies. This report documents Phase I activity, where vendor hardware evaluation kits were operated and tested in the EPRI lab. This initial activity lays the groundwork for in-depth PLC testing to occur in the near future. The primary focus of this report is to provide an overview of the vendor evaluation hardware and software and to report r...

2010-12-14T23:59:59.000Z

338

The Standard Review Plan for Review of License Renewal Applications for Nuclear Power  

E-Print Network (OSTI)

Plants (SRP-LR) provides guidance to Nuclear Regulatory Commission staff reviewers in the Office of Nuclear Reactor Regulation. These reviewers perform safety reviews of applications to renew nuclear power plant licenses in accordance with Title 10 of the Code of Federal Regulations Part 54. The principal purposes of the SRP-LR are to ensure the quality and uniformity of staff reviews and to present a well-defined base from which to evaluate applicant programs and activities for the period of extended operation. The SRP-LR is also intended to make information about regulatory matters widely available, to enhance communication with interested members of the public and the nuclear power industry, and to improve public and industry understanding of the staff review process. The safety review is based primarily on the information provided by the applicant in a license renewal application. Each of the individual SRP-LR sections addresses (1) who performs the review, (2) the matters that are reviewed, (3) the basis for review, (4) the way the review is accomplished, and (5) the conclusions that are sought.

Power Plants

2005-01-01T23:59:59.000Z

339

PetaScale Initiative  

NLE Websites -- All DOE Office Websites (Extended Search)

focus on applications that benefit energy research, those supported by other Recovery Act funding and Energy Frontier Research Centers (EFRCs). The initiative pairs post-doctoral...

340

Draft report: application of organic Rankine cycle heat recovery systems to diesel powered marine vessels  

DOE Green Energy (OSTI)

The analysis and results of an investigation of the application of organic Rankine cycle heat recovery systems to diesel-powered marine vessels are described. The program under which this study was conducted was sponsored jointly by the US Energy Research and Development Administration, the US Navy, and the US Maritime Administration. The overall objective of this study was to investigate diesel bottoming energy recovery systems, currently under development by three US concerns, to determine the potential for application to marine diesel propulsion and auxiliary systems. The study primarily focused on identifying the most promising vessel applications (considering vessel type, size, population density, operational duty cycle, etc.) so the relative economic and fuel conservation merits of energy recovery systems could be determined and assessed. Vessels in the current fleet and the projected 1985 fleet rated at 1000 BHP class and above were investigated.

Not Available

1977-07-15T23:59:59.000Z

Note: This page contains sample records for the topic "initiative application power" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


341

Study of Possible Applications of Currently Available Building Information Modeling Tools for the Analysis of Initial Costs and Energy Costs for Performing Life Cycle Cost Analysis  

E-Print Network (OSTI)

The cost of design, construction and maintenance of facilities is on continual rise. The demand is to construct facilities which have been designed by apply life cycle costing principles. These principles have already given strong decision making power to the manufacturing industry. The need to satisfy the environmental sustainability requirements, improve operational effectiveness of buildings and apply value engineering principles has increased the dependency on life cycle costing analysis. The objective is to obtain economically viable solutions by analyzing the alternatives during the design of a building. Though the LCCA process is able to give the desired results, it does have some problems which have stood as hindrances to the more widespread use of the LCCA concept and method. The literature study has highlighted that the problem areas are the lack of frameworks or mechanisms for collecting and storing data and the complexity of LCCA exercise, which involves the analysis of a thousand of building elements and a number of construction-type options and maintenance activities for each building element at detailed design stages. Building Information Modeling has been able to repeatedly answer the questions raised by the AEC industry. The aim of this study is to identify the areas where BIM can be effectively applied to the LCCA process and become a part of the workflow. In this study, initially four LCCA case studies are read and evaluated from the point of view of understanding the method in which the life cycle costing principles have been applied. The purpose, the type alternatives examined, the process of analysis, the type of software used and the results are understood. An attempt has been carried out to understand the workflow of the LCCA process. There is a confidence that Building Information Modeling is capable of handling changes during the design, construction and maintenance phases of the project. Since applying changes to any kind of information of the building during LCC analysis forms the core, it has become necessary to use computer building models for examining these changes. The building modeling softwares are enumerated. The case studies have highlighted that the evaluation of the alternatives are primarily to achieve energy efficient solutions for the buildings. Applying these solutions involves high initial costs. The return on investment is the means by which these solutions become viable to the owners of the facilities. This is where the LCCA has been applied. Two of the important cost elements of the LCC analysis are initial costs and the operating costs of the building. The collaboration of these modeling tools with other estimating software where the initial costs of the building can be generated is studied. The functions of the quantity take-off tools and estimating tools along with the interoperability between these tools are analyzed. The operating costs are generated from the software that focuses on sustainability. And the currently used tools for performing the calculations of the life cycle costing analysis are also observed. The objective is to identify if the currently available BIM tools and software can help in obtaining LCCA results and are able to offset the hindrances of the process. Therefore, the software are studied from the point of view of ease of handling data and the type of data that can be generated. Possible BIM workflows are suggested depending on the functions of the software and the relationship between them. The study has aimed at taking a snapshot the current tools available which can aid the LCCA process. The research is of significance to the construction industry as it forms a precursor to the application of Building Information Modeling to the LCCA process as it shows that it has the capacity of overcoming the obstacles for life cycle costing. This opens a window to the possibility of applying BIM to LCCA and furthering this study.

Mukherji, Payal Tapandev

2010-12-01T23:59:59.000Z

343

Application of Ensemble Kalman Filter in Power System State Tracking and Sensitivity  

SciTech Connect

Ensemble Kalman Filter (EnKF) is proposed to track dynamic states of generators. The algorithm of EnKF and its application to generator state tracking are presented in detail. The accuracy and sensitivity of the method are analyzed with respect to initial state errors, measurement noise, unknown fault locations, time steps and parameter errors. It is demonstrated through simulation studies that even with some errors in the parameters, the developed EnKF can effectively track generator dynamic states using disturbance data.

Li, Yulan; Huang, Zhenyu; Zhou, Ning; Lee, Barry; Diao, Ruisheng; Du, Pengwei

2012-05-01T23:59:59.000Z

344

Fuel cell power systems for remote applications. Phase 1 final report and business plan  

DOE Green Energy (OSTI)

The goal of the Fuel Cell Power Systems for Remote Applications project is to commercialize a 0.1--5 kW integrated fuel cell power system (FCPS). The project targets high value niche markets, including natural gas and oil pipelines, off-grid homes, yachts, telecommunication stations and recreational vehicles. Phase 1 includes the market research, technical and financial analysis of the fuel cell power system, technical and financial requirements to establish manufacturing capability, the business plan, and teaming arrangements. Phase 1 also includes project planning, scope of work, and budgets for Phases 2--4. The project is a cooperative effort of Teledyne Brown Engineering--Energy Systems, Schatz Energy Research Center, Hydrogen Burner Technology, and the City of Palm Desert. Phases 2 through 4 are designed to utilize the results of Phase 1, to further the commercial potential of the fuel cell power system. Phase 2 focuses on research and development of the reformer and fuel cell and is divided into three related, but potentially separate tasks. Budgets and timelines for Phase 2 can be found in section 4 of this report. Phase 2 includes: Task A--Develop a reformate tolerant fuel cell stack and 5 kW reformer; Task B--Assemble and deliver a fuel cell that operates on pure hydrogen to the University of Alaska or another site in Alaska; Task C--Provide support and training to the University of Alaska in the setting up and operating a fuel cell test lab. The Phase 1 research examined the market for power systems for off-grid homes, yachts, telecommunication stations and recreational vehicles. Also included in this report are summaries of the previously conducted market reports that examined power needs for remote locations along natural gas and oil pipelines. A list of highlights from the research can be found in the executive summary of the business plan.

NONE

1998-02-01T23:59:59.000Z

345

Initial Results in the Use of Prony Methods to Determine the Damping and Modal Composition of Power System Dynamic Response Signals.  

SciTech Connect

Prony analysis is an emerging method that extends Fourier analysis by directly estimating the frequency, damping, strength, and relative phase of modal components present in a given signal. This is precisely the kind of information that power system engineers would like to extract from transient stability program (TSP) simulations and from large-scale system tests or disturbances. A tool of this sort would be particularly valuable for TSP output analysis, where it promises to provide: parametric summaries for damping studies (data compression), quantified information for adjusting remedial controls (sensitivity analysis and performance evaluation), insight into modal interaction mechanisms (modal analysis), reduced simulation times for damping evaluation (prediction). These considerations lead BPA to produce the interactive FORTRAN programs TRANSCIENT and DTRANSCIENT. The objectives are to evaluate the method, to revise the code for utility applications, and to fortify both for use with larger models. Polynomial rooting, a critical and numerically demanding task, is now accomplished by a routine (QPOLY) that was extracted from the NASA program SAMSAN and converted to quadruple precision. The revised DTRANSCIENT is now accessed as a subroutine, PRSPAK. For batch use PRSPAK has been converted to a more comprehensive program, SIGPAKZ. This report presents early results in the application of Prony analysis to power system problems. Key objectives are to: provide a brief mathematical description of Prony analysis, report on progress in applying and evaluating SIGPAKZ, outline the development status of the Prony code itself and needed enhancements to it. 21 refs., 12 figs.

Hauer, John F.

1988-10-01T23:59:59.000Z

346

Advanced system analysis for indirect methanol fuel cell power plants for transportation applications  

DOE Green Energy (OSTI)

The indirect methanol cell fuel concept actively pursued by the USDOE and General Motors Corporation proposes the development of an electrochemical engine'' (e.c.e.), an electrical generator capable for usually efficient and clean power production from methanol fuel for the transportation sector. This on-board generator works in consort with batteries to provide electrical power to drive propulsion motors for a range of electric vehicles. Success in this technology could do much to improve impacted environmental areas and to convert part of the transportation fleet to natural gas- and coal-derived methanol as the fuel source. These developments parallel work in Europe and Japan where various fuel cell powered vehicles, often fueled with tanked or hydride hydrogen, are under active development. Transportation applications present design challenges that are distinctly different from utility requirements, the thrust of most of previous fuel cell programs. In both cases, high conversion efficiency (fuel to electricity) is essential. However, transportation requirements dictate as well designs for high power densities, rapid transients including short times for system start up, and consumer safety. The e.c.e. system is formed from four interacting components: (1) the fuel processor; (2) the fuel cell stack; (3) the air compression and decompression device; and (4) the condensing cross flow heat exchange device. 2 figs.

Vanderborgh, N.E.; McFarland, R.D.; Huff, J.R.

1990-01-01T23:59:59.000Z

347

Advanced system analysis for indirect methanol fuel cell power plants for transportation applications  

SciTech Connect

The indirect methanol cell fuel concept actively pursued by the USDOE and General Motors Corporation proposes the development of an electrochemical engine'' (e.c.e.), an electrical generator capable for usually efficient and clean power production from methanol fuel for the transportation sector. This on-board generator works in consort with batteries to provide electrical power to drive propulsion motors for a range of electric vehicles. Success in this technology could do much to improve impacted environmental areas and to convert part of the transportation fleet to natural gas- and coal-derived methanol as the fuel source. These developments parallel work in Europe and Japan where various fuel cell powered vehicles, often fueled with tanked or hydride hydrogen, are under active development. Transportation applications present design challenges that are distinctly different from utility requirements, the thrust of most of previous fuel cell programs. In both cases, high conversion efficiency (fuel to electricity) is essential. However, transportation requirements dictate as well designs for high power densities, rapid transients including short times for system start up, and consumer safety. The e.c.e. system is formed from four interacting components: (1) the fuel processor; (2) the fuel cell stack; (3) the air compression and decompression device; and (4) the condensing cross flow heat exchange device. 2 figs.

Vanderborgh, N.E.; McFarland, R.D.; Huff, J.R.

1990-01-01T23:59:59.000Z

348

Applications of high power millimeter waves in the DIII-D fusion program  

SciTech Connect

First operation of a new generation of MW level, 110 GHz generator (gyrotron) on the DIII-D fusion experimental device has been achieved. The desire for high power, cw millimeter (mm) wave sources to support fusion research and development is just now beginning to be realized. Plasma heating and current drive with directed mm waves rely on the strong absorption achieved when the wave frequency matches the natural ``cyclotron`` frequency of electrons in a magnetic field, or its harmonics. Recent progress in fusion experiments highlights the need for control of the interior details of the hot plasma, and nun wave systems are ideally suited for this role. A brief status of fusion research is given, and the importance of mm waves in the future directions for fusion research is described. The vacuum transmission components necessary for transmitting, monitoring, and launching high power 1 10 GHz waves into a plasma have been developed at General Atomics (GA) and will be described. High power mm waves have a number of attractive technological features for fusion applications compared with other candidate plasma heating and current drive technologies. Millimeter waves can be transmitted with high power density over large distances with low losses by utilizing corrugated waveguides, so the generators can be sited remotely, facilitating maintenance and saving valuable space near the fusion device.

Freeman, R.L.

1996-08-01T23:59:59.000Z

349

A methodology for identifying critical success factors that influence software process improvement initiatives: an application in the Brazilian software industry  

Science Conference Proceedings (OSTI)

Continuous improvement of software development capability is fundamental for organizations to thrive in competitive markets. Nevertheless, Software Process Improvement (SPI) initiatives have demonstrated limited results because SPI managers usually fail ...

Mariano Montoni; Ana Regina Rocha

2007-09-01T23:59:59.000Z

350

Program on Technology Innovation: Decision-Centered Guidelines for the Design of Human System Interfaces for Electric Power Industry Applications  

Science Conference Proceedings (OSTI)

Decision-centered guidelines support improved user decision making across a broad range of electric power industry application areas. The guidelines will aid in the design of user-centered human-system interfaces (HSIs), while increasing the beneficial uses of new technologies for electric power generation, transmission, and distribution (GTD) systems. Decision-centered guidelines are applicable to system designs involving new technology that will transform current user tasks, responsibilities, ...

2012-09-24T23:59:59.000Z

351

Use of Non-Traditional Water for Power Plant Applications: An Overview of DOE/NETL  

NLE Websites -- All DOE Office Websites (Extended Search)

Use of Non-Traditional Water Use of Non-Traditional Water for Power Plant Applications: An Overview of DOE/NETL R&D Efforts November 1, 2009 DOE/NETL-311/040609 Disclaimer This report was prepared as an account of work sponsored by an agency of the United States Government. Neither the United States Government nor any agency thereof, nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy,

352

Surface treated natural graphite as anode material for high-power Li-ion battery applications.  

Science Conference Proceedings (OSTI)

High power application of Li-ion battery in hybrid electrical vehicles requires low cost and safe cell materials. Among the various carbon anode materials used in lithium ion batteries, natural graphite shows the most promise with advantages in performance and cost. However, natural graphite is not compatible with propylene carbonate (PC)-based electrolytes, which have a lower melting point and improved safety characteristics. The problem with it is that the molecules of propylene carbonate intercalate with Li+ into graphite, and that frequently leads to the exfoliation of the graphite matrix.

Liu, J.; Vissers, D. R.; Amine, K.; Barsukov, I. V.; Henry, F.; Doniger, J.; Chemical Engineering; Superior Graphite Co.

2006-01-01T23:59:59.000Z

353

Methodology and application of surrogate plant PRA analysis to the Rancho Seco Power Plant: Final report  

Science Conference Proceedings (OSTI)

This report presents the development and the first application of generic probabilistic risk assessment (PRA) information for identifying systems and components important to public risk at nuclear power plants lacking plant-specific PRAs. A methodology is presented for using the results of PRAs for similar (surrogate) plants, along with plant-specific information about the plant of interest and the surrogate plants, to infer important failure modes for systems of the plant of interest. This methodology, and the rationale on which it is based, is presented in the context of its application to the Rancho Seco plant. The Rancho Seco plant has been analyzed using PRA information from two surrogate plants. This analysis has been used to guide development of considerable plant-specific information about Rancho Seco systems and components important to minimizing public risk, which is also presented herein.

Gore, B.F.; Huenefeld, J.C.

1987-07-01T23:59:59.000Z

354

An Initial Study on Applying Active Noise Control to an Insulated Box Fan Used in Ventilation System Applications.  

E-Print Network (OSTI)

??In many different applications and buildings fans are used to remove unwanted and used air. These fans often generate broadband and tonal noise. Commonly, passive (more)

Larsson, Martin; Johansson, Sven; Muddala, S.M.; Gafar, A.E.; Hkansson, Lars; Tarkka, Juhani

2009-01-01T23:59:59.000Z

355

A 65nm dual-mode baseband and multimedia application processor SoC with advanced power and memory management  

Science Conference Proceedings (OSTI)

A Dual-mode baseband (W-CDMA/HSDPA and GSM/GPRS/EDGE) and multimedia application processor SoC is described. The SoC fabricated in triple-Vth 65nm CMOS has 3 CPU cores and 20 separate power domains to achieve both high performance and low power. The ...

Tatsuya Kamei; Tetsuhiro Yamada; Takao Koike; Masayuki Ito; Takahiro Irita; Kenichi Nitta; Toshihiro Hattori; Shinichi Yoshioka

2009-01-01T23:59:59.000Z

356

Power Electronics Design Implications of Novel Photovoltaic Collector Geometries and Their Application for Increased Energy Harvest  

E-Print Network (OSTI)

The declining cost of photovoltaic (PV) modules has enabled the vision of ubiquitous photovoltaic (PV) power to become feasible. Emerging PV technologies are facilitating the creation of intentionally non-flat PV modules, which create new applications for this sustainable energy generation currently not possible with the traditional rigid, flat silicon-glass modules. However, since the photovoltaic cells are no longer coplanar, there are significant new requirements for the power electronics necessary to convert the native form of electricity into a usable form and ensure maximum energy harvest. Non-uniform insolation from cell-to-cell gives rise to non-uniform current density in the PV material, which limits the ability to create series-connected cells without bypass diode or other ways to shunt current, which is well known in the maximum power tracking literature. This thesis presents a modeling approach to determine and quantify the variations in generation of energy due to intentionally non-flat PV geometries. This will enable the power electronics circuitry to be optimized to harvest maximum energy from PV pixel elements clusters of PV cells with similar operating characteristics. This thesis systematically compares different geometries with identical two-dimensional projection "footprints" for energy harvest throughout the day. The results show that for the same footprint, a semi-cylindrical surface harvests more energy over a typical day than a flat plate. The modeling approach is then extended to demonstrate that by using non flat geometries for PV panel, the availability of a remotely located stand-alone power system can be increased when compared to a flat panel of same footprint. These results have broad application to a variety of energy scavenging scenarios in which either total energy harvested needs to be maximized or unusual geometries for the PV active surfaces are required, including building-integrated PV. This thesis develops the analysis of the potential energy harvest gain for advanced non-planar PV collectors as a necessary first step towards the design of the power electronics circuits and control algorithms to take advantage of the new opportunities of conformal and non-flat PV collectors.

Karavadi, Amulya

2011-08-01T23:59:59.000Z

357

FUTURE POWER GRID INITIATIVE Future Power Grid  

E-Print Network (OSTI)

and WECC model » Prototyping proposed control strategy utilizing high performance computing (HPC) APPROACH

358

Multisegmented Au-MnO2/Carbon Nanotube Hybrid Coaxial Arrays for High-Power Supercapacitor Applications  

E-Print Network (OSTI)

Multisegmented Au-MnO2/Carbon Nanotube Hybrid Coaxial Arrays for High-Power SupercapacitorVised Manuscript ReceiVed: NoVember 4, 2009 The present work reports on synthesis and supercapacitor applications hybrid coaxial arrays are efficient electrodes for supercapacitor applications. Au-segmented MnO2/CNT

Ajayan, Pulickel M.

359

Optimization and Comparison of Direct and Indirect Supercritical Carbon Dioxide Power Plant Cycles for Nuclear Applications  

Science Conference Proceedings (OSTI)

There have been a number of studies involving the use of gases operating in the supercritical mode for power production and process heat applications. Supercritical carbon dioxide (CO2) is particularly attractive because it is capable of achieving relatively high power conversion cycle efficiencies in the temperature range between 550 C and 750 C. Therefore, it has the potential for use with any type of high-temperature nuclear reactor concept, assuming reactor core outlet temperatures of at least 550 C. The particular power cycle investigated in this paper is a supercritical CO2 Recompression Brayton Cycle. The CO2 Recompression Brayton Cycle can be used as either a direct or indirect power conversion cycle, depending on the reactor type and reactor outlet temperature. The advantage of this cycle when compared to the helium Brayton cycle is the lower required operating temperature; 550 C versus 850 C. However, the supercritical CO2 Recompression Brayton Cycle requires an operating pressure in the range of 20 MPa, which is considerably higher than the required helium Brayton cycle operating pressure of 8 MPa. This paper presents results of analyses performed using the UniSim process analyses software to evaluate the performance of both a direct and indirect supercritical CO2 Brayton Recompression cycle for different reactor outlet temperatures. The direct supercritical CO2 cycle transferred heat directly from a 600 MWt reactor to the supercritical CO2 working fluid supplied to the turbine generator at approximately 20 MPa. The indirect supercritical CO2 cycle assumed a helium-cooled Very High Temperature Reactor (VHTR), operating at a primary system pressure of approximately 7.0 MPa, delivered heat through an intermediate heat exchanger to the secondary indirect supercritical CO2 Brayton Recompression cycle, again operating at a pressure of about 20 MPa. For both the direct and indirect cycles, sensitivity calculations were performed for reactor outlet temperature between 550 C and 850 C. The UniSim models used realistic component parameters and operating conditions to model the complete reactor and power conversion systems. CO2 properties were evaluated, and the operating ranges of the cycles were adjusted to take advantage of the rapidly changing properties of CO2 near the critical point. The results of the analyses showed that, for the direct supercritical CO2 power cycle, thermal efficiencies in the range of 40 to 50% can be achieved. For the indirect supercritical CO2 power cycle, thermal efficiencies were approximately 10% lower than those obtained for the direct cycle over the same reactor outlet temperature range.

Edwin A. Harvego; Michael G. McKellar

2011-11-01T23:59:59.000Z

360

On the interplay of dynamic voltage scaling and dynamic power management in realtime embedded applications  

E-Print Network (OSTI)

Dynamic Voltage Scaling (DVS) and Dynamic Power Management (DPM) are two popular techniques commonly employed to save energy in real-time embedded systems. DVS policies aim at reducing the CPU energy, while DPM-based solutions involve putting the system components (e.g. memory or I/O devices) to low-power/sleep states at run-time, when sufficiently long idle intervals can be predicted. Despite numerous research papers that tackled the energy minimization problem using DVS or DPM separately, the interactions of these two popular techniques are not yet well understood. In this paper, we undertake an exact analysis of the problem for a real-time embedded application running on a DVS-enabled CPU and using potentially multiple devices. Specifically, by adopting a generalized system-level energy model and taking into account the non-trivial time/energy overheads involved in device transitions, we characterize the variations in different components of the system energy as a function of the CPU processing speed. Then, we propose a provably optimal algorithm to determine the optimal CPU speed as well as device state transition decisions to minimize the system-level energy. Our algorithm runs in O(m log m) time, where m is the number of devices used by the application. The evaluations with realistic system parameters indicate that our solution, which combines DVS and DPM optimally, can lead to substantial energy savings when compared to previous solutions.

Vinay Devadas; Hakan Aydin

2008-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "initiative application power" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
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361

A high voltage pulsed power supply for capillary discharge waveguide applications  

Science Conference Proceedings (OSTI)

We present an all solid-state, high voltage pulsed power supply for inducing stable plasma formation (density {approx}10{sup 18} cm{sup -3}) in gas-filled capillary discharge waveguides. The pulser (pulse duration of 1 {mu}s) is based on transistor switching and wound transmission line transformer technology. For a capillary of length 40 mm and diameter 265 {mu}m and gas backing pressure of 100 mbar, a fast voltage pulse risetime of 95 ns initiates breakdown at 13 kV along the capillary. A peak current of {approx}280 A indicates near complete ionization, and the r.m.s. temporal jitter in the current pulse is only 4 ns. Temporally stable plasma formation is crucial for deploying capillary waveguides as plasma channels in laser-plasma interaction experiments, such as the laser wakefield accelerator.

Abuazoum, S.; Wiggins, S. M.; Issac, R. C.; Welsh, G. H.; Vieux, G.; Jaroszynski, D. A. [Department of Physics, Scottish Universities Physics Alliance, University of Strathclyde, Glasgow G4 0NG (United Kingdom); Ganciu, M. [Low Temperature Plasma Department, National Institute of Lasers, Plasma and Radiation Physics, 077125, Magurele, Bucharest (Romania)

2011-06-15T23:59:59.000Z

362

Distributed energy resources customer adoption modeling with combined heat and power applications  

E-Print Network (OSTI)

MWh) KA natural gas consumed by power generation (MWh LMWh) KA natural gas consumed by power generation (MWh) LMWh) KA natural gas consumed by power generation (MWh) L

Siddiqui, Afzal S.; Firestone, Ryan M.; Ghosh, Srijay; Stadler, Michael; Edwards, Jennifer L.; Marnay, Chris

2003-01-01T23:59:59.000Z

363

AN INVESTIGATION TO RESOLVE THE INTERACTION BETWEEN FUEL CELL, POWER CONDITIONING SYSTEM AND APPLICATION LOADS  

SciTech Connect

Solid-Oxide Fuel Cell (SOFC) stacks respond quickly to changes in load and exhibit high part- and full-load efficiencies due to its rapid electrochemistry. However, this is not true for the thermal, mechanical, and chemical balance-of-plant subsystem (BOPS), where load-following time constants are, typically, several orders of magnitude higher. This dichotomy diminishes the reliability and performance of the electrode with increasing demand of load. Because these unwanted phenomena are not well understood, the manufacturers of SOFC use conservative schemes (such as, delayed load-following to compensate for slow BOPS response or expensive inductor filtering) to control stack responses to load variations. This limits the applicability of SOFC systems for load-varying stationary and transportation applications from a cost standpoint. Thus, a need exists for the synthesis of component- and system-level models of SOFC power-conditioning systems and the development of methodologies for investigating the system-interaction issues (which reduce the lifetime and efficiency of a SOFC) and optimizing the responses of each subsystem, leading to optimal designs of power-conditioning electronics and optimal control strategies, which mitigate the electrical-feedback effects. Equally important are ''multiresolution'' finite-element modeling and simulation studies, which can predict the impact of changes in system-level variables (e.g., current ripple and load-transients) on the local current densities, voltages, and temperature (these parameters are very difficult or cumbersome, if not impossible to obtain) within a SOFC cell. Towards that end, for phase I of this project, sponsored by the U.S. DOE (NETL), we investigate the interactions among fuel cell, power-conditioning system, and application loads and their effects on SOFC reliability (durability) and performance. A number of methodologies have been used in Phase I to develop the steady-state and transient nonlinear models of the SOFC stack subsystem (SOFCSS), the power-electronics subsystem (PES), and the BOPS. Such an approach leads to robust and comprehensive electrical, electrochemical, thermodynamic, kinetic, chemical, and geometric models of the SOFSS, PES and application loads, and BOPS. A comprehensive methodology to resolve interactions among SOFCSS, PES and application loads and to investigate the impacts of the fast- and slow-scale dynamics of the power-conditioning system (PCS) on the SOFCSS has been developed by this team. Parametric studies on SOFCSS have been performed and the effects of current ripple and load transients on SOFC material properties are investigated. These results are used to gain insights into the long-term performance and reliability of the SOFCSS. Based on this analysis, a novel, efficient, and reliable PES for SOFC has been developed. Impacts of SOFC PCS control techniques on the transient responses, flow parameters, and current densities have also been studied and a novel nonlinear hybrid controller for single/parallel DC-DC converter has been developed.

Sudip K. Mazumder; Chuck McKintyre; Dan Herbison; Doug Nelson; Comas Haynes; Michael von Spakovsky; Joseph Hartvigsen; S. Elangovan

2003-11-03T23:59:59.000Z

364

AN INVESTIGATION TO RESOLVE THE INTERACTION BETWEEN FUEL CELL, POWER CONDITIONING SYSTEM AND APPLICATION LOADS  

DOE Green Energy (OSTI)

Solid-Oxide Fuel Cell (SOFC) stacks respond quickly to changes in load and exhibit high part- and full-load efficiencies due to its rapid electrochemistry. However, this is not true for the thermal, mechanical, and chemical balance-of-plant subsystem (BOPS), where load-following time constants are, typically, several orders of magnitude higher. This dichotomy diminishes the reliability and performance of the electrode with increasing demand of load. Because these unwanted phenomena are not well understood, the manufacturers of SOFC use conservative schemes (such as, delayed load-following to compensate for slow BOPS response or expensive inductor filtering) to control stack responses to load variations. This limits the applicability of SOFC systems for load-varying stationary and transportation applications from a cost standpoint. Thus, a need exists for the synthesis of component- and system-level models of SOFC power-conditioning systems and the development of methodologies for investigating the system-interaction issues (which reduce the lifetime and efficiency of a SOFC) and optimizing the responses of each subsystem, leading to optimal designs of power-conditioning electronics and optimal control strategies, which mitigate the electrical-feedback effects. Equally important are ''multiresolution'' finite-element modeling and simulation studies, which can predict the impact of changes in system-level variables (e.g., current ripple and load-transients) on the local current densities, voltages, and temperature (these parameters are very difficult or cumbersome, if not impossible to obtain) within a SOFC cell. Towards that end, for phase I of this project, sponsored by the U.S. DOE (NETL), we investigate the interactions among fuel cell, power-conditioning system, and application loads and their effects on SOFC reliability (durability) and performance. A number of methodologies have been used in Phase I to develop the steady-state and transient nonlinear models of the SOFC stack subsystem (SOFCSS), the power-electronics subsystem (PES), and the BOPS. Such an approach leads to robust and comprehensive electrical, electrochemical, thermodynamic, kinetic, chemical, and geometric models of the SOFSS, PES and application loads, and BOPS. A comprehensive methodology to resolve interactions among SOFCSS, PES and application loads and to investigate the impacts of the fast- and slow-scale dynamics of the power-conditioning system (PCS) on the SOFCSS has been developed by this team. Parametric studies on SOFCSS have been performed and the effects of current ripple and load transients on SOFC material properties are investigated. These results are used to gain insights into the long-term performance and reliability of the SOFCSS. Based on this analysis, a novel, efficient, and reliable PES for SOFC has been developed. Impacts of SOFC PCS control techniques on the transient responses, flow parameters, and current densities have also been studied and a novel nonlinear hybrid controller for single/parallel DC-DC converter has been developed.

Sudip K. Mazumder; Chuck McKintyre; Dan Herbison; Doug Nelson; Comas Haynes; Michael von Spakovsky; Joseph Hartvigsen; S. Elangovan

2003-11-03T23:59:59.000Z

365

Testing of an impedance heating system for solar power tower applications  

DOE Green Energy (OSTI)

A non-conventional type of heating system is being tested at Sandia National Laboratories for solar thermal power tower applications. In this system, called impedance heating, electric current flows directly through the pipe to maintain the desired temperature. The pipe becomes the resistor where the heat is generated. Impedance heating has many advantages over previously used mineral insulated (MI) heat trace. An impedance heating system should be much more reliable than heat trace cable since delicate junctions and cabling are not used and the main component, a transformer, is inherently reliable. A big advantage of impedance heating is the system can be sized to rapidly heat up the piping to provide rapid response times necessary in cyclic power plants such as solar power towers. In this paper, experimental results from testing an impedance heating system are compared to MI cable heat trace. We found impedance heating was able to heat piping rapidly and effectively. There were not significant stray currents and impedance heating did not affect instrumentation.

Pacheco, J.E.; Kolb, W.J.

1996-05-01T23:59:59.000Z

366

Comparison of an impedance heating system to mineral insulated heat trace for power tower applications  

DOE Green Energy (OSTI)

A non-conventional type of heating system is being tested at Sandia National Laboratories for solar thermal power tower applications. In this system, called impedance heating, electric current flows directly through the pipe to maintain the desired temperature. The pipe becomes the resistor where the heat is generated. Impedance heating has many advantages over previously used mineral insulated (MI) heat trace. An impedance heating system should be much more reliable than heat trace cable since delicate junctions and cabling are not used and the main component, a transformer, is inherently reliable. A big advantage of impedance heating is the system can be sized to rapidly heat up the piping to provide rapid response times necessary in cyclic power plants such as solar power towers. In this paper, experimental results from testing an impedance heating system are compared to MI heat trace. The authors found impedance heating was able to heat piping rapidly and effectively. There were not significant stray currents and impedance heating did not affect instrumentation.

Pacheco, J.E.; Kolb, W.J.

1997-03-01T23:59:59.000Z

367

Design and construction of an advanced power conditioning subsystem for small photovoltaic applications  

SciTech Connect

The power inverter development described in this report is based on the technical approach development during a previous project funded by the US Department of Energy. That project was completed in mid-1981. During that investigation the high-frequency transformer-link power conditioning system was selected as the preferred approach. This approach appears to have the greatest potential for cost reduction when compared to other transformer-isolated designs because of its significant reduction of magnetic component size and weight. This report describes the details of a microcomputer-controlled 4 kW inverter design intended for residential applications. The theory of operation, detailed design, and some operational results are given. The inverter was designed to deliver utility quality power to the residential grid. Total harmonic current distortion of less than 5% and efficiencies around 90% were achieved. This report also gives reliability and cost analyses of the inverter and presents an equivalent circuit of the inverter useful for system analysis.

Steigerwald, R.L.; Bose, B.K.; Szczesny, P.M.

1985-03-01T23:59:59.000Z

368

Advanced high-speed flywheel energy storage systems for pulsed power application  

E-Print Network (OSTI)

Power systems on modern commercial transportation systems are moving to more electric based equipment, thus improving the reliability of the overall system. Electrical equipment on such systems will include some loads that require very high power for short periods of time, on the order of a few seconds, especially during acceleration and deceleration. The current approach to solving this problem is sizing the electrical grid for peak power, rather than the average. A method to efficiently store and discharge the pulsed power is necessary to eliminate the cost and weight of oversized generation equipment to support the pulsed power needs of these applications. Highspeed Flywheel Energy Storage Systems (FESS) are effectively capable of filling the niche of short duration, high cycle life applications where batteries and ultra capacitors are not usable. In order to have an efficient high-speed FESS, performing three important steps towards the design of the overall system are extremely vital. These steps are modeling, analysis and control of the FESS that are thoroughly investigated in this dissertation. This dissertation establishes a comprehensive analysis of a high-speed FESS in steady state and transient operations. To do so, an accurate model for the complete FESS is derived. State space averaging approach is used to develop DC and small-signal AC models of the system. These models effectively simplify analysis of the FESS and give a strong physical intuition to the complete system. In addition, they result in saving time and money by avoiding time consuming simulations performed by expensive packages, such as Simulink, PSIM, etc. In the next step, two important factors affecting operation of the Permanent Magnet Synchronous Machine (PMSM) implemented in the high-speed FESS are investigated in detail and outline a proper control strategy to achieve the required performance by the system. Next, a novel design algorithm developed by S.P. Bhattacharyya is used to design the control system. The algorithm has been implemented to a motor drive system, for the first time, in this work. Development of the complete set of the current- and speed-loop proportional-integral controller gains stabilizing the system is the result of this implementation. In the last part of the dissertation, based on the information and data achieved from the analysis and simulations, two parts of the FESS, inverter/rectifier and external inductor, are designed and the former one is manufactured. To verify the validity and feasibility of the proposed controller, several simulations and experimental results on a laboratory prototype are presented.

Talebi Rafsanjan, Salman

2008-12-01T23:59:59.000Z

369

Multi-port DC-DC Power Converter for Renewable Energy Application  

E-Print Network (OSTI)

In recent years, there has been lots of emphasis put on the development of renewable energy. While considerable improvement on renewable energy has been made, there are some inherent limitations for these renewable energies. For example, for solar and wind power, there is an intermittent nature. For the fuel cell, the dynamics of electro-chemical reaction is quite slow compared to the electric load. This will not be acceptable for modern electric application, which requires constant voltage of constant frequency. This work proposed and evaluated a new power circuit that can deal with the problem of the intermittent nature and slow response of the renewable energy. The proposed circuit integrates different renewable energy sources as well as energy storage. By integrating renewable energy sources with statistical tendency to compensate each other, the effect of the intermittent nature can be greatly reduced. This integration will increase the reliability and utilization of the overall system. Moreover, the integration of energy storage solves the problem of the slow response of renewable energy. It can provide the extra energy required by load or absorb the excessive energy provided by the energy sources, greatly improving the dynamics of overall system. To better understand the proposed circuit, "Dual Active Bridge" and "Triple Active Bridge" were reviewed first. The operation principles and the modeling were presented. Analysis and design of the overall system were discussed. Controller design and stability issues were investigated. Furthermore, the function of the central controller was explained. In the end, different simulations were made and discussed. Results from the simulations showed that the proposed multi-port DC-DC power converter had satisfactory performance under different scenarios encountered in practical renewable energy application. The proposed circuit is an effective solution to the problem due to the intermittent nature and slow response of the renewable energy.

Chou, Hung-Ming

2009-08-01T23:59:59.000Z

370

Recommended Approaches and Design Criteria for Application of Field Programmable Gate Arrays in Nuclear Power Plant Instrumentation and Control Systems  

Science Conference Proceedings (OSTI)

Field-programmable gate arrays (FPGAs) are gaining increased attention worldwide for application in nuclear power plant (NPP) instrumentation and control (IC) systems, particularly for safety applications. The use of FPGAs might reduce complexity and the associated burden of gaining regulatory approval and provide better protection against obsolescence compared to conventional microprocessor-based systems. This report provides guidelines and design criteria for application of FPGAs in NPP IC systems, add...

2011-06-16T23:59:59.000Z

371

Worldwide wind/diesel hybrid power system study: Potential applications and technical issues  

DOE Green Energy (OSTI)

The world market potential for wind/diesel hybrid technology is a function of the need for electric power, the availability of sufficient wind resource to support wind/diesel power, and the existence of buyers with the financial means to invest in the technology. This study includes data related to each of these three factors. This study does not address market penetration, which would require analysis of application specific wind/diesel economics. Buyer purchase criteria, which are vital to assessing market penetration, are discussed only generally. Countries were screened for a country-specific market analysis based on indicators of need and wind resource. Both developed countries and less developed countries'' (LDCs) were screened for wind/diesel market potential. Based on the results of the screening, ten countries showing high market potential were selected for more extensive market analyses. These analyses provide country-specific market data to guide wind/diesel technology developers in making design decisions that will lead to a competitive product. Section 4 presents the country-specific data developed for these analyses, including more extensive wind resource characterization, application-specific market opportunities, business conditions, and energy market characterizations. An attempt was made to identify the potential buyers with ability to pay for wind/diesel technology required to meet the application-specific market opportunities identified for each country. Additionally, the country-specific data are extended to corollary opportunities in countries not covered by the study. Section 2 gives recommendations for wind/diesel research based on the findings of the study. 86 refs.

King, W.R.; Johnson, B.L. III (Science Applications International Corp., McLean, VA (USA))

1991-04-01T23:59:59.000Z

372

Business Case for a Micro-Combined Heat and Power Fuel Cell System in Commercial Applications  

SciTech Connect

Combined heat and power fuel cell systems (CHP-FCSs) provide consistent electrical power and hot water with greater efficiency and lower emissions than alternative sources. These systems can be used either as baseload, grid-connected, or as off-the-grid power sources. This report presents a business case for CHP-FCSs in the range of 5 to 50 kWe. Systems in this power range are considered micro-CHP-FCS. For this particular business case, commercial applications rather than residential or industrial are targeted. To understand the benefits of implementing a micro-CHP-FCS, the characteristics that determine their competitive advantage must first be identified. Locations with high electricity prices and low natural gas prices are ideal locations for micro-CHP-FCSs. Fortunately, these high spark spread locations are generally in the northeastern area of the United States and California where government incentives are already in place to offset the current high cost of the micro-CHP-FCSs. As a result of the inherently high efficiency of a fuel cell and their ability to use the waste heat that is generated as a CHP, they have higher efficiency. This results in lower fuel costs than comparable alternative small-scale power systems (e.g., microturbines and reciprocating engines). A variety of markets should consider micro-CHP-FCSs including those that require both heat and baseload electricity throughout the year. In addition, the reliable power of micro-CHP-FCSs could be beneficial to markets where electrical outages are especially frequent or costly. Greenhouse gas emission levels from micro-CHP-FCSs are 69 percent lower, and the human health costs are 99.9 percent lower, than those attributed to conventional coal-fired power plants. As a result, FCSs can allow a company to advertise as environmentally conscious and provide a bottom-line sales advantage. As a new technology in the early stages of adoption, micro-CHP-FCSs are currently more expensive than alternative technologies. As the technology gains a foothold in its target markets and demand increases, the costs will decline in response to improved manufacturing efficiencies, similar to trends seen with other technologies. Transparency Market Research forecasts suggest that the CHP-FCS market will grow at a compound annual growth rate of greater than 27 percent over the next 5 years. These production level increases, coupled with the expected low price of natural gas, indicate the economic payback period will move to less than 5 years over the course of the next 5 years. To better understand the benefits of micro-CHP-FCSs, The U.S. Department of Energy worked with ClearEdge Power to install fifteen 5-kWe fuel cells in the commercial markets of California and Oregon. Pacific Northwest National Laboratory is evaluating these systems in terms of economics, operations, and their environmental impact in real-world applications. As expected, the economic analysis has indicated that the high capital cost of the micro-CHP-FCSs results in a longer payback period than typically is acceptable for all but early-adopter market segments. However, a payback period of less than 3 years may be expected as increased production brings system cost down, and CHP incentives are maintained or improved.

Brooks, Kriston P.; Makhmalbaf, Atefe; Anderson, David M.; Amaya, Jodi P.; Pilli, Siva Prasad; Srivastava, Viraj; Upton, Jaki F.

2013-10-30T23:59:59.000Z

373

Development of Liquid-Vapor Core Reactors with MHD Generator for Space Power and Propulsion Applications  

DOE Green Energy (OSTI)

Any reactor that utilizes fuel consisting of a fissile material in a gaseous state may be referred to as a gaseous core reactor (GCR). Studies on GCRs have primarily been limited to the conceptual phase, mostly due to budget cuts and program cancellations in the early 1970's. A few scientific experiments have been conducted on candidate concepts, primarily of static pressure fissile gas filling a cylindrical or spherical cavity surrounded by a moderating shell, such as beryllium, heavy water, or graphite. The main interest in this area of nuclear power generation is for space applications. The interest in space applications has developed due to the promise of significant enhancement in fuel utilization, safety, plant efficiency, special high-performance features, load-following capabilities, power conversion optimization, and other key aspects of nuclear power generation. The design of a successful GCR adapted for use in space is complicated. The fissile material studied in the pa st has been in a fluorine compound, either a tetrafluoride or a hexafluoride. Both of these molecules have an impact on the structural material used in the making of a GCR. Uranium hexafluoride as a fuel allows for a lower operating temperature, but at temperatures greater than 900K becomes essentially impossible to contain. This difficulty with the use of UF6 has caused engineers and scientists to use uranium tetrafluoride, which is a more stable molecule but has the disadvantage of requiring significantly higher operating temperatures. Gas core reactors have traditionally been studied in a steady state configuration. In this manner a fissile gas and working fluid are introduced into the core, called a cavity, that is surrounded by a reflector constructed of materials such as Be or BeO. These reactors have often been described as cavity reactors because the density of the fissile gas is low and criticality is achieved only by means of the reflector to reduce neutron leakage from the core. Still there are problems of containment since many of the proposed vessel materials such as W or Mo have high neutron cross sections making the design of a critical system difficult. There is also the possibility for a GCR to remain in a subcritical state, and by the use of a shockwave mechanism, increase the pressure and temperature inside the core to achieve criticality. This type of GCR is referred to as a shockwave-driven pulsed gas core reactor. These two basic designs were evaluated as advance concepts for space power and propulsion.

Samim Anghaie

2002-08-13T23:59:59.000Z

374

20 IEEE Computer Applications in Power ISSN 0895-0156/01/$10.002001 IEEE irtually every crucial economic  

E-Print Network (OSTI)

. In the power grid According to data from the North American Electric Reliability Council (NERC), outages from deregulation, the digital economy, and interaction with other infrastructures. Widespread outages and huge. An EPRI report, "Complex Interactive Networks/Systems Initiative: First Annual Report: Overview

Amin, S. Massoud

375

Applicability of Loss of Offsite Power (LOSP) Events in NUREG/CR-6890 for Entergy Nuclear South (ENS) Plants LOSP Calculations  

SciTech Connect

Significant differences have been identified in loss of offsite power (LOSP or LOOP) event description, category, duration, and applicability between the LOSP events used in NUREG/CR-6890 and ENS'LOSP packages, which were based on EPRI LOSP reports with plant-specific applicability analysis. Thus it is appropriate to reconcile the LOSP data listed in the subject NUREG and EPRI reports. A cross comparison showed that 62 LOSP events in NUREG/CR-6890 were not included in the EPRI reports while 4 events in EPRI reports were missing in the NUREG. Among the 62 events missing in EPRI reports, the majority were applicable to shutdown conditions, which could be classified as category IV events in EPRI reports if included. Detailed reviews of LERs concluded that some events did not result in total loss of offsite power. Some LOSP events were caused by subsequent component failures after a turbine/plant trip, which have been modeled specifically in most ENS plant PRA models. Moreover, ENS has modeled (or is going to model) the partial loss of offsite power events with partial LOSP initiating events. While the direct use of NUREG/CR-6890 results in SPAR models may be appropriate, its direct use in ENS' plant PRA models may not be appropriate because of modeling details in ENS' plant-specific PRA models. Therefore, this paper lists all the differences between the data in NUREG/CR-6890 and EPRI reports and evaluates the applicability of the LOSP events to ENS plant-specific PRA models. The refined LOSP data will characterize the LOSP risk in a more realistic fashion. (authors)

Li, Yunlong; Yilmaz, Fatma; Bedell, Loys [Entergy Nuclear South (United States)

2006-07-01T23:59:59.000Z

376

Nuclear power systems for Lunar and Mars exploration  

SciTech Connect

Initial studies of a variety of mission scenarios for the new Space Exploration Initiative, and the technologies necessary to enable or significantly enhance them, have identified the development of advanced space power systems - whether solar, chemical or nuclear - to be of prime importance. Lightweight, compact, reliable power systems for planetary rovers and a variety of surface vehicles, utility surface power, and power for advanced propulsion systems were identified as critical needs for these missions. This paper discusses these mission scenarios, the concomitant power system requirements; the power system options considered and identifies the significant potential benefits of nuclear power for meeting the power needs of the above applications.

Sovie, R.J.; Bozek, J.M.

1994-09-01T23:59:59.000Z

377

PRISM 2.0: Regional Energy and Economic Model Development and Initial Application, US-REGEN Model Documentation  

Science Conference Proceedings (OSTI)

The Electric Power Research Institute (EPRI) has developed a new energy-economy model of the United States under the PRISM 2.0 project called the U.S. Regional Economy, Greenhouse Gas, and Energy (US-REGEN) Model. The model combines a detailed dispatch and capacity expansion model of the United States electric sector with a high-level dynamic computable general equilibrium (CGE) model of the United States economy. ...

2013-09-17T23:59:59.000Z

378

Initial Dispersant Application in the Condensate / Feedwater Line During Long-Path Recirculation Cleanup at Byron Unit 1  

Science Conference Proceedings (OSTI)

Dispersants have been used for decades in fossil boiler units to inhibit corrosion product deposition. As a means of reducing the rate of particulate fouling within steam generators (SGs), online dispersant technology adds a potentially powerful tool by dramatically increasing the blowdown iron removal efficiency. Additional significant benefit in the form of reduced corrosion product transport during startup may be obtained through applying dispersant in other (offline) operational modes. This report pr...

2011-12-14T23:59:59.000Z

379

A Comparison of Supercritical Carbon Dioxide Power Cycle Configurations with an Emphasis on CSP Applications (Presentation)  

SciTech Connect

Recent research suggests that an emerging power cycle technology using supercritical carbon dioxide (s-CO2) operated in a closed-loop Brayton cycle offers the potential of equivalent or higher cycle efficiency versus supercritical or superheated steam cycles at temperatures relevant for CSP applications. Preliminary design-point modeling suggests that s-CO2 cycle configurations can be devised that have similar overall efficiency but different temperature and/or pressure characteristics. This paper employs a more detailed heat exchanger model than previous work to compare the recompression and partial cooling cycles, two cycles with high design-point efficiencies, and illustrates the potential advantages of the latter. Integration of the cycles into CSP systems is studied, with a focus on sensible heat thermal storage and direct s-CO2 receivers. Results show the partial cooling cycle may offer a larger temperature difference across the primary heat exchanger, thereby potentially reducing heat exchanger cost and improving CSP receiver efficiency.

Neises, T.; Turchi, C.

2013-09-01T23:59:59.000Z

380

Interfacial electron and phonon scattering processes in high-powered nanoscale applications.  

SciTech Connect

The overarching goal of this Truman LDRD project was to explore mechanisms of thermal transport at interfaces of nanomaterials, specifically linking the thermal conductivity and thermal boundary conductance to the structures and geometries of interfaces and boundaries. Deposition, fabrication, and post possessing procedures of nanocomposites and devices can give rise to interatomic mixing around interfaces of materials leading to stresses and imperfections that could affect heat transfer. An understanding of the physics of energy carrier scattering processes and their response to interfacial disorder will elucidate the potentials of applying these novel materials to next-generation high powered nanodevices and energy conversion applications. An additional goal of this project was to use the knowledge gained from linking interfacial structure to thermal transport in order to develop avenues to control, or 'tune' the thermal transport in nanosystems.

Hopkins, Patrick E.

2011-10-01T23:59:59.000Z

Note: This page contains sample records for the topic "initiative application power" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


381

High average power CW FELs (Free Electron Laser) for application to plasma heating: Designs and experiments  

SciTech Connect

A short period wiggler (period {approximately} 1 cm), sheet beam FEL has been proposed as a low-cost source of high average power (1 MW) millimeter-wave radiation for plasma heating and space-based radar applications. Recent calculation and experiments have confirmed the feasibility of this concept in such critical areas as rf wall heating, intercepted beam ( body'') current, and high voltage (0.5 - 1 MV) sheet beam generation and propagation. Results of preliminary low-gain sheet beam FEL oscillator experiments using a field emission diode and pulse line accelerator have verified that lasing occurs at the predicted FEL frequency. Measured start oscillation currents also appear consistent with theoretical estimates. Finally, we consider the possibilities of using a short-period, superconducting planar wiggler for improved beam confinement, as well as access to the high gain, strong pump Compton regime with its potential for highly efficient FEL operation.

Booske, J.H.; Granatstein, V.L.; Radack, D.J.; Antonsen, T.M. Jr.; Bidwell, S.; Carmel, Y.; Destler, W.W.; Latham, P.E.; Levush, B.; Mayergoyz, I.D.; Zhang, Z.X. (Maryland Univ., College Park, MD (USA). Lab. for Plasma Research); Freund, H.P. (Science Applications International Corp., McLean, VA (USA))

1989-01-01T23:59:59.000Z

382

Digital control systems in nuclear power plants: Failure information, modeling concepts, and applications. Revision 1  

SciTech Connect

This report briefly describes some current applications of advanced computerized digital display and control systems at US commercial nuclear power plants and presents the results of a literature search that was made to gather information on the reliability of these systems. Both hardware and software reliability were addressed in this review. Only limited failure rate information was found, with the chemical process industry being the primary source of information on hardware failure rates and expert opinion the primary source for software failure rates. Safety-grade digital control systems are typically installed on a functional like-for-like basis, replacing older analog systems without substantially changing interactions with other plant systems. Future work includes performing a limited probabilistic risk assessment of a representative DCS to assess its risk significance.

Galyean, W.J.

1993-06-23T23:59:59.000Z

383

Application of high powered lasers to drilling and completing deep walls.  

SciTech Connect

High powered laser rock drilling was studied as a revolutionary method for drilling and completing deep gas and oil wells. The objectives of this 2002 to 2003 fiscal year research were to study the concept that large diameter holes can be created by multiple overlapping small beam spots, to determine the ability of lasers to drill rock submerged to some depth in water, to demonstrate the possibilities of lasers for perforating application, and to determine the wavelength effects on rock removal. Laser technology applied to well drilling and completion operations is attractive because it has the potential to reduce drilling time, create a ceramic lining that may eliminate the need for steel casing, provide additional monitor-on-drilling laser sensors and improve well performance through improved perforation. The results from this research will help engineering design on a laser-based well drilling system.

Reed, C. B.; Xu, Z.; Parker, R. A.; Gahan, B. C.; Batarseh, S.; Graves, R. M.; Figueroa, H.; Deeg, W.

2003-07-30T23:59:59.000Z

384

Low Wind Speed Technology Phase I: Advanced Power Electronics for Low Wind Speed Turbine Applications; Northern Power Systems, Inc.  

SciTech Connect

This fact sheet describes a subcontract with Northern Power Systems to explore a range of circuit topologies that are optimized for operation with a direct-drive PM generator.

2006-03-01T23:59:59.000Z

385

High-Temperature High-Power Packaging Techniques for HEV Traction Applications  

DOE Green Energy (OSTI)

A key issue associated with the wider adoption of hybrid-electric vehicles (HEV) and plug in hybrid-electric vehicles (PHEV) is the implementation of the power electronic systems that are required in these products. One of the primary industry goals is the reduction in the price of these vehicles relative to the cost of traditional gasoline powered vehicles. Today these systems, such as the Prius, utilize one coolant loop for the engine at approximately 100 C coolant temperatures, and a second coolant loop for the inverter at 65 C. One way in which significant cost reduction of these systems could be achieved is through the use of a single coolant loop for both the power electronics as well as the internal combustion engine (ICE). This change in coolant temperature significantly increases the junction temperatures of the devices and creates a number of challenges for both device fabrication and the assembly of these devices into inverters and converters for HEV and PHEV applications. Traditional power modules and the state-of-the-art inverters in the current HEV products, are based on chip and wire assembly and direct bond copper (DBC) on ceramic substrates. While a shift to silicon carbide (SiC) devices from silicon (Si) devices would allow the higher operating temperatures required for a single coolant loop, it also creates a number of challenges for the assembly of these devices into power inverters. While this traditional packaging technology can be extended to higher temperatures, the key issues are the substrate material and conductor stability, die bonding material, wire bonds, and bond metallurgy reliability as well as encapsulation materials that are stable at high operating temperatures. The larger temperature differential during power cycling, which would be created by higher coolant temperatures, places tremendous stress on traditional aluminum wire bonds that are used to interconnect power devices. Selection of the bond metallurgy and wire bond geometry can play a key role in mitigating this stress. An alternative solution would be to eliminate the wire bonds completely through a fundamentally different method of forming a reliable top side interconnect. Similarly, the solders used in most power modules exhibit too low of a liquidus to be viable solutions for maximum junction temperatures of 200 C. Commonly used encapsulation materials, such as silicone gels, also suffer from an inability to operate at 200 C for extended periods of time. Possible solutions to these problems exist in most cases but require changes to the traditional manufacturing process used in these modules. In addition, a number of emerging technologies such as Si nitride, flip-chip assembly methods, and the elimination of base-plates would allow reliable module development for operation of HEV and PHEV inverters at elevated junction temperatures.

Elshabini, Aicha [University of Idaho; Barlow, Fred D. [University of Idaho

2006-11-01T23:59:59.000Z

386

Improved high temperature solar absorbers for use in Concentrating Solar Power central receiver applications.  

DOE Green Energy (OSTI)

Concentrating solar power (CSP) systems use solar absorbers to convert the heat from sunlight to electric power. Increased operating temperatures are necessary to lower the cost of solar-generated electricity by improving efficiencies and reducing thermal energy storage costs. Durable new materials are needed to cope with operating temperatures >600 C. The current coating technology (Pyromark High Temperature paint) has a solar absorptance in excess of 0.95 but a thermal emittance greater than 0.8, which results in large thermal losses at high temperatures. In addition, because solar receivers operate in air, these coatings have long term stability issues that add to the operating costs of CSP facilities. Ideal absorbers must have high solar absorptance (>0.95) and low thermal emittance (<0.05) in the IR region, be stable in air, and be low-cost and readily manufacturable. We propose to utilize solution-based synthesis techniques to prepare intrinsic absorbers for use in central receiver applications.

Stechel, Ellen Beth; Ambrosini, Andrea; Hall, Aaron Christopher; Lambert, Timothy L.; Staiger, Chad Lynn; Bencomo, Marlene

2010-09-01T23:59:59.000Z

387

Development of practical high temperature superconducting wire for electric power applications  

Science Conference Proceedings (OSTI)

The technology of high temperature superconductivity has gone from beyond mere scientific curiosity into the manufacturing environment. Single lengths of multifilamentary wire are now produced that are over 200 meters long and that carry over 13 amperes at 77 K. Short-sample critical current densities approach 5 {times} 10{sup 4} A/cm{sup 2} at 77 K. Conductor requirements such as high critical current density in a magnetic field, strain-tolerant sheathing materials, and other engineering properties are addressed. A new process for fabricating round BSCCO-2212 wire has produced wires with critical current densities as high as 165,000 A/cm{sup 2} at 4.2 K and 53,000 A/cm{sup 2} at 40 K. This process eliminates the costly, multiple pressing and rolling steps that are commonly used to develop texture in the wires. New multifilamentary wires with strengthened sheathing materials have shown improved yield strengths up to a factor of five better than those made with pure silver. Many electric power devices require the wire to be formed into coils for production of strong magnetic fields. Requirements for coils and magnets for electric power applications are described.

Hawsey, R.A. [Oak Ridge National Lab., TN (United States); Sokolowski, R.S.; Haldar, P. [Intermagnetics General Corp., Latham, NY (United States); Motowidlo, L.R. [IGC/Advanced Superconductors, Inc., Waterbury, CT (United States)

1994-09-01T23:59:59.000Z

388

Feasibility Study of Biopower in East Helena, Montana. A Study Prepared in Partnership with the Environmental Protection Agency for the RE-Powering America's Land Initiative: Siting Renewable Energy on Potentially Contaminated Land and Mine Sites  

DOE Green Energy (OSTI)

The U.S. Environmental Protection Agency (EPA) developed the RE-Powering America's Land initiative to reuse contaminated sites for renewable energy generation when aligned with the community's vision for the site. The former American Smelting and Refining Company (Asarco) smelter in East Helena, Montana, was selected for a feasibility study under the initiative. Biomass was chosen as the renewable energy resource based on the wood products industry in the area. Biopower was selected as the technology based on Montana's renewable portfolio standard (RPS) requiring utilities to purchase renewable power.

Moriarty, K.

2013-02-01T23:59:59.000Z

389

Distributed energy resources customer adoption modeling with combined heat and power applications  

SciTech Connect

In this report, an economic model of customer adoption of distributed energy resources (DER) is developed. It covers progress on the DER project for the California Energy Commission (CEC) at Berkeley Lab during the period July 2001 through Dec 2002 in the Consortium for Electric Reliability Technology Solutions (CERTS) Distributed Energy Resources Integration (DERI) project. CERTS has developed a specific paradigm of distributed energy deployment, the CERTS Microgrid (as described in Lasseter et al. 2002). The primary goal of CERTS distributed generation research is to solve the technical problems required to make the CERTS Microgrid a viable technology, and Berkeley Lab's contribution is to direct the technical research proceeding at CERTS partner sites towards the most productive engineering problems. The work reported herein is somewhat more widely applicable, so it will be described within the context of a generic microgrid (mGrid). Current work focuses on the implementation of combined heat and power (CHP) capability. A mGrid as generically defined for this work is a semiautonomous grouping of generating sources and end-use electrical loads and heat sinks that share heat and power. Equipment is clustered and operated for the benefit of its owners. Although it can function independently of the traditional power system, or macrogrid, the mGrid is usually interconnected and exchanges energy and possibly ancillary services with the macrogrid. In contrast to the traditional centralized paradigm, the design, implementation, operation, and expansion of the mGrid is meant to optimize the overall energy system requirements of participating customers rather than the objectives and requirements of the macrogrid.

Siddiqui, Afzal S.; Firestone, Ryan M.; Ghosh, Srijay; Stadler, Michael; Edwards, Jennifer L.; Marnay, Chris

2003-07-01T23:59:59.000Z

390

North American Power Symposium NAPS, San Luis Obispo, California, October 1999. Web-based Computing for Power System Applications  

E-Print Network (OSTI)

. A web-based distributed application for short-term load forecasting is proposed, implemented and tested applications. Keywords: Web-computing, distributed processing, Java, SCADA EMS, short-term load forecasting. I-term load forecasting program is discussed and an example is run to demonstrate the feasibility

Cañizares, Claudio A.

391

Legislative Initiatives | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Initiatives November 1, 2013 - 11:40am Addthis Legislative initiatives for industrial distributed energy (DE) and combined heat and power (CHP) are provided below. U.S. Clean...

392

Synoptic and local influences on boundary layer processes, with an application to California wind power  

E-Print Network (OSTI)

maps showing locations of wind power conversion facilities,of US winds and wind power at 80 m derived fromEvaluation of global wind power. Journal of Geo- physical

Mansbach, David K.

2010-01-01T23:59:59.000Z

393

Optimal selection of on-site generation with combined heat and power applications  

E-Print Network (OSTI)

the burning of natural gas for on-site power generation andnatural gas absorption chiller GenL i , m , t , h , u Generated power by distributed generation

Siddiqui, Afzal S.; Marnay, Chris; Bailey, Owen; Hamachi LaCommare, Kristina

2004-01-01T23:59:59.000Z

394

Design and implementation of a dc/dc resonant converter for power system applications.  

E-Print Network (OSTI)

??In modern power system, the energy conversion includes a large number of the energy processors, and demands high quality, small, lightweight, reliable and efficient power (more)

Fazel Darbandi, Arash

2013-01-01T23:59:59.000Z

395

FABRICATION AND TESTING OF A NONSTANDARD THIN-FILM HEAT FLUX SENSOR FOR POWER SYSTEM APPLICATIONS.  

E-Print Network (OSTI)

??Stirling convertors are being operated by NASA Glenn Research Center for many years to demonstrate a Radioisotope Power System (RPS) capable of providing reliable power (more)

Wilson, Scott Dean

2011-01-01T23:59:59.000Z

396

SunShot Initiative: SunShot Photovoltaic Manufacturing Initiative  

NLE Websites -- All DOE Office Websites (Extended Search)

SunShot Photovoltaic SunShot Photovoltaic Manufacturing Initiative to someone by E-mail Share SunShot Initiative: SunShot Photovoltaic Manufacturing Initiative on Facebook Tweet about SunShot Initiative: SunShot Photovoltaic Manufacturing Initiative on Twitter Bookmark SunShot Initiative: SunShot Photovoltaic Manufacturing Initiative on Google Bookmark SunShot Initiative: SunShot Photovoltaic Manufacturing Initiative on Delicious Rank SunShot Initiative: SunShot Photovoltaic Manufacturing Initiative on Digg Find More places to share SunShot Initiative: SunShot Photovoltaic Manufacturing Initiative on AddThis.com... Concentrating Solar Power Photovoltaics Research & Development Competitive Awards Diversity in Science and Technology Advances National Clean Energy in Solar Grid Engineering for Accelerated Renewable Energy Deployment

397

Progressive Application Decommissioning Models for U.S. Power and Research Reactors  

SciTech Connect

This paper presents progressive engineering techniques and experiences in decommissioning projects performed by Bums and Roe Enterprises within the last fifteen years. Specifically, engineering decommissioning technical methods and lessons learned are discussed related to the Trojan Large Component Removal Project, San Onofre Nuclear Generating Station (SONGS) Decommissioning Project and the Brookhaven Graphite Research Reactor (BGRR) Decommissioning Project Study. The 25 years since the 1979 TMI accident and the events following 9/11 have driven the nuclear industry away from excessive, closed/elitist conservative methods towards more pragmatic results-oriented and open processes. This includes the essential recognition that codes, standards and regulatory procedures must be efficient, effective and fit for purpose. Financial and open-interactive stakeholder pressures also force adherence to aggressive risk reduction posture in the area of a safety, security and operations. The engineering methods and techniques applied to each project presented unique technical solutions. The decommissioning design for each project had to adopt existing design rules applicable to construction of new nuclear power plants and systems. It was found that the existing ASME, NRC, and DOE codes and regulations for deconstruction were, at best, limited or extremely conservative in their applicability to decommissioning. This paper also suggests some practical modification to design code rules in application for decommissioning and deconstruction. The representative decommissioning projects, Trojan, SONGS and Brookhaven, are discussed separately and the uniqueness of each project, in terms of engineering processes and individual deconstruction steps, is discussed. Trojan Decommissioning. The project included removal of entire NSSS system. The engineering complexity was mainly related to the 1200 MW Reactor. The approach, process of removal, engineering method related to protect the worker against excessive radiation exposure, transportation, and satisfying applicable rules and regulations, were the major problems to overcome. The project's successful completed earned a patent award. SONGS Decommissioning. The reactor's spherical containment and weakened integrity was the scope of this decommissioning effort. The aspects of structure stability and method of deconstruction is the major part of the presentation. The economical process of deconstruction, aspects of structural stability, worker safety, and the protection of the surrounding environment from contamination is highlighted in this section. BGRR Decommissioning Study. BREI was commissioned by Brookhaven National Laboratory (BNL) to evaluate and analyze the stability, and progressive decommissioning, and removal of BGRR components. This analysis took the form of several detailed decommissioning studies that range from disassembly and removal of the unit's graphite pile to the complete environmental restoration of the reactor site. While most of the facility's decommissioning effort is conventional, the graphite pile and its biological shield present the greatest challenge. The studies develop a unique method of removing high-activity waste trapped in the graphite joints. (authors)

Studnicka, Z.; Lacy, N.H.; Nicholas, R.G.; Campagna, M.; Morgan, R.D. [Bums and Roe Enterprises, Inc., 800 Kinderkamack Road, Oradell, NJ 07649 (United States); Sawruk, W. [ABS Consulting, Inc., 5 Birdsong Court, Shillington, PA 19607 (United States)

2006-07-01T23:59:59.000Z

398

Republic of Bulgaria Sreden Iskar Cascade hydropower development. Application for participation under the United States Initiative on Joint Implementation  

DOE Green Energy (OSTI)

Interest in water resources and hydropower has been low in Bulgaria for over 20 years and only about 33% of the potential hydropower available to the Country are currently being utilized. This is due in part to past design practices that utilized large reservoirs to regulate runoff and create the necessary head. The Iskar River does not allow for the typical design. However, in recent years, technical advancement in machinery design and more efficient turbine-generators has led to the development of low-head hydro projects. Studies determined that the Iskar Cascade can support low-head hydro development and could provide as much as 93 MW of capacity. This project will initially consist of the construction of three hydroelectric facilities along a 120-km section of the Iskar river in western Bulgaria. Each facility will consist of a powerhouse (housing a turbine and generator), an embankment dam, a concrete spillway with regulating gates, a fish passage, and associated transformers and switchgear. This report gives a description of the project, its sources of funding for specific measures to reduce greenhouse gas emissions, forecasts of greenhouse gas emissions with and without these specific measures, and other environmental considerations.

NONE

1998-11-01T23:59:59.000Z

399

Intelligent Management of the Power Grid: An Anticipatory, Multi-Agent, High Performance Computing Approach: EPRI/DoD Complex Intera ctive Networks/Systems Initiative: Second Annual Report  

Science Conference Proceedings (OSTI)

This report details the second-year research accomplishments for one of six research consortia established under the Complex Interactive Networks/Systems Initiative. This particular document details an anticipatory, multi-agent, high performance computing approach for intelligent management of the power grid.

2001-06-21T23:59:59.000Z

400

The Application of Diode-Clamped Cascaded Inverter in the Direct-Driven Wind Power System  

Science Conference Proceedings (OSTI)

Power inverter is widely used in direct-driven variable speed constant frequency (VSVF) wind power system. With the level of wind power jumping from the kilowatt to megawatt, topologies and control of inverter have a corresponding change. Considering ... Keywords: direct-driven wind power, multi-level inverter, diode-clamped cascaded inverter, PD-SPWM and CPS-SPWM

Xianglian Xu; Pingting Xu; Zilin Tang; Gang Tang; Xiaole Ye

2012-04-01T23:59:59.000Z

Note: This page contains sample records for the topic "initiative application power" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


401

Application study of wind power technology to the city of Hart, Michigan  

DOE Green Energy (OSTI)

Information is presented concerning wind data collections and analysis; Hart power demand and consumer usage; wind power assessment; hydro power assessment; results of preliminary economics analysis; environmental impact of wind turbines and operation in the Hart, Oceana County, Michigan area; and systems model for the Hart power system with wind turbine. (DCC)

Asmussen, J.; Fisher, P.D.; Park, G.L.; Krauss, O.

1975-12-31T23:59:59.000Z

402

The Energy Data Initiative | Data.gov  

NLE Websites -- All DOE Office Websites (Extended Search)

Energy Beta You are here Data.gov Communities Energy Data Features Challenges The Green Button Initiative The Energy Data Initiative To help harness the power of American...

403

Solar America Initiative | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Solar America Initiative. Solar America Initiative More Documents & Publications Low Cost High Concentration PV Systems for Utility Power Generation Amonix, Inc. Low Cost High...

404

Innovative Application of Maintenance-Free Phase-Change Thermal Energy Storage for Dish-Engine Solar Power Generation  

SciTech Connect

This final report summarizes the final results of the Phase II Innovative Application of Maintenance-Free Phase-Change Thermal Energy Storage for Dish-Engine Solar Power Generation project being performed by Infinia Corporation for the U.S. Department of Energy under contract DE-FC36-08GO18157 during the project period of September 1, 2009 - August 30, 2012. The primary objective of this project is to demonstrate the practicality of integrating thermal energy storage (TES) modules, using a suitable thermal salt phase-change material (PCM) as its medium, with a dish/Stirling engine; enabling the system to operate during cloud transients and to provide dispatchable power for 4 to 6 hours after sunset. A laboratory prototype designed to provide 3 kW-h of net electrical output was constructed and tested at Infinia's Ogden Headquarters. In the course of the testing, it was determined that the system's heat pipe network - used to transfer incoming heat from the solar receiver to both the Stirling generator heater head and to the phase change salt - did not perform to expectations. The heat pipes had limited capacity to deliver sufficient heat energy to the generator and salt mass while in a charging mode, which was highly dependent on the orientation of the device (vertical versus horizontal). In addition, the TES system was only able to extract about 30 to 40% of the expected amount of energy from the phase change salt once it was fully molten. However, the use of heat pipes to transfer heat energy to and from a thermal energy storage medium is a key technical innovation, and the project team feels that the limitations of the current device could be greatly improved with further development. A detailed study of manufacturing costs using the prototype TES module as a basis indicates that meeting DOE LCOE goals with this hardware requires significant efforts. Improvement can be made by implementing aggressive cost-down initiatives in design and materials, improving system performance by boosting efficiencies, and by refining cost estimates with vendor quotes in lieu of mass-based approaches. Although the prototype did not fully demonstrate performance and realize projected cost targets, the project team believes that these challenges can be overcome. The test data showed that the performance can be significantly improved by refining the heat pipe designs. However, the project objective for phase 3 is to design and test on sun the field ready systems, the project team feels that is necessary to further refine the prototype heat pipe design in the current prototype TES system before move on to field test units, Phase 3 continuation will not be pursued.

Qui, Songgang [Temple University] [Temple University; Galbraith, Ross [Infinia] [Infinia

2013-01-23T23:59:59.000Z

405

Microdrill Initiative - Initial Market Evaluation  

SciTech Connect

The U.S. Department of Energy (DOE) is launching a major research and development initiative to create a small, fast, inexpensive and environmentally friendly rig for drilling 5000 feet boreholes to investigate potential oil and gas reservoirs. DOE wishes to get input from petroleum industry operators, service companies and equipment suppliers on the operation and application of this coiled-tubing-based drilling unit. To that end, DOE has asked Spears & Associates, Inc. (SAI) to prepare a special state-of-the-market report and assist during a DOE-sponsored project-scoping workshop in Albuquerque near the end of April 2003. The scope of the project is four-fold: (1) Evaluate the history, status and future of demand for very small bore-hole drilling; (2) Measure the market for coiled tubing drilling and describe the state-of-the-art; (3) Identify companies and individuals who should have an interest in micro drilling and invite them to the DOE workshop; and (4) Participate in 3 concurrent workshop sessions, record and evaluate participant comments and report workshop conclusions.

Spears & Associates, Inc

2003-07-01T23:59:59.000Z

406

Technology Assessment and Application Guide for Active Power's CoolAir DC  

Science Conference Proceedings (OSTI)

This report describes and documents the construction and performance of a novel battery free backup power product, CoolAir (DC) based upon TACAS (Thermal Compressed Air Storage) technology and manufactured by Active Power of Austin, Texas. Comprised of compressed air tanks, thermal storage unit, high-speed air turbine, flywheel, and power electronics, the CoolAir DC is designed to deliver DC power to devices such as an uninterruptible power supply or adjustable speed drive while producing cool air during...

2005-11-15T23:59:59.000Z

407

Advances and Applications of Intrinsic Low Dimensional Manifold Theory Joseph M. Powers, Samuel Paolucci, and Sandeep Singh  

E-Print Network (OSTI)

scales of chemical reaction. Simple and often useful strategies which capture some of the kinetic time systematically reduce chemical kinetic models in such a way that consistency with full model equationsAdvances and Applications of Intrinsic Low Dimensional Manifold Theory Joseph M. Powers, Samuel

408

High Temperature Superconductivity -- A Joint Feasibility Study for a Power Application with High-Temperature Superconducting Cable by Peco Energy  

Science Conference Proceedings (OSTI)

Practical realization of high temperature superconductivity (HTS) technology is within the electric power industry's reach. This report documents a feasibility study co-sponsored by PECO Energy Company (PECO) to assess a real-world underground transmission application of this technology.

1998-11-17T23:59:59.000Z

409

High Temperature Superconductivity -- A Joint Feasibility Study for a Power Application with High-Temperature Superconducting Cable by South Carolina  

Science Conference Proceedings (OSTI)

Practical realization of high temperature superconductivity (HTS) technology is within the reach of the electric power industry. This report documents a feasibility study co-sponsored by South Carolina Electric and Gas Company (SCE&G) to assess a real-world underground transmission application of this technology.

1998-11-17T23:59:59.000Z

410

Initiative Title  

Science Conference Proceedings (OSTI)

... Jobs Smart Grid goals ... Net metering selling local power into the grid ... interconnection of renewable energy, electric storage, and PEVs ...

2010-08-12T23:59:59.000Z

411

Presentation of a virtual power plant environment and its application with combined first-principle and data-driven models intended for the diagnostics of a power plant - Part 2  

Science Conference Proceedings (OSTI)

This work aims to present and discuss the architecture and application aspects of the Virtual Power Plant (VPP) environment, a tool created for the purpose of the modeling, simulation, data management, and visualization of power plant systems. The VPP ... Keywords: Matlab, Simulink, modeling, power plant, system identification

Tomasz Barszcz; Piotr Czop

2012-02-01T23:59:59.000Z

412

Presentation of a virtual power plant environment and its application with combined first-principle and data-driven models intended for the diagnostics of a power plant - Part 1  

Science Conference Proceedings (OSTI)

This work aims to present and discuss the architecture and application aspects of the Virtual Power Plant (VPP) environment, a tool created for the purpose of modeling, simulation, data management, and visualization of power plant systems. The VPP environment ... Keywords: Matlab, Simulink, modeling, power plant, system identification

Tomasz Barszcz; Piotr Czop

2012-02-01T23:59:59.000Z

413

Diversity Initiatives | Careers | ORNL  

NLE Websites -- All DOE Office Websites (Extended Search)

View Open Positions View Open Positions View Open Positions Create A Profile Internal applicants please apply here View or update your current application or profile. External applicants Internal applicants Internet Explorer Browser preferred for ORNL applicants. Chrome is not currently supported. For more information about browser compatibility please refer to the FAQs. If you have difficulty using the online application system or need an accommodation to apply due to a disability, please email ORNLRecruiting@ornl.gov or phone 1-866-963-9545 Careers Home | ORNL | Careers | Diversity | Diversity Initiatives SHARE Diversity Initiatives Diversity Events and Observances An important part of diversity is providing activities that promote cultural understanding and awareness. There are a broad array of events on

414

Fault-Current Limiter (FCL) Application in a Wind Power Plant (Poster)  

DOE Green Energy (OSTI)

This poster describes how the power system switchgear and power system protection for WPPs should be carefully designed to be compatible with the operation of conventional synchronous generators connected to the same grid.

Muljadi, E.; Gevorgian, V.

2011-05-01T23:59:59.000Z

415

Application modes: a narrow interface for end-user power management in mobile devices  

Science Conference Proceedings (OSTI)

Achieving perfect power proportionality in current mobile devices is not enough to prevent users from running out of battery. Given a limited power budget, we need to control active power usage, and there needs to be a prioritization of activities. In ...

Marcelo Martins; Rodrigo Fonseca

2013-02-01T23:59:59.000Z

416

Application of genetic algorithms for optimal reactive power planning of doubly fed induction generators  

Science Conference Proceedings (OSTI)

This paper describes optimal reactive power control of a doubly fed induction generator (DFIG), which is widely used in a distributed generating plant. Although its structure is similar to that of induction motors, its reactive power control is more ... Keywords: doubly fed induction generator, genetic algorithms, optimal reactive power planning, optimization

P. Sangsarawut; A. Oonsivilai; T. Kulworawanichpong

2010-03-01T23:59:59.000Z

417

An Engineering-Economic Analysis of Combined Heat and Power Technologies in a Grid Application  

E-Print Network (OSTI)

of increased overall conversion efficiency. First, carbon emissions from power plants and generators would be reduced. Second, the environmental problem of disposing of power plant waste heat into the environment of heat using conventional separate heat and power. For typical electrical and thermal efficiencies, CHP

418

On the Robust Control of DC-DC Converters: Application to a Hybrid Power  

E-Print Network (OSTI)

synthesis is performed for a hybrid power generation structure composed by a Fuel Cell and a Supercapacitor Inequalities, Fuel Cells, Supercapacitors, Hybrid Power Generation. 1. INTRODUCTION It is believed power generation system composed by a FC and a Supercapacitor (SC). A complete review of FC models

Paris-Sud XI, Université de

419

Feasibility of Utility-Provided Uninterruptible DC Power for Telecommunication Applications  

Science Conference Proceedings (OSTI)

Providing uninterruptible power to the telecommunication industry is a natural fit for the expertise of the electric utility industry and represents a significant opportunity for revenue growth. This report analyzes the power requirements for different sectors of the telecommunication industry and examines existing and emerging technologies for providing uninterruptible power.

2001-11-30T23:59:59.000Z

420

The Application of Power Quality Monitoring Data for Reliability Centered Maintenance  

Science Conference Proceedings (OSTI)

This report addresses some requirements of implementing a reliability-centered maintenance (RCM) based power quality system using an open architecture. It also identifies a knowledge base to develop for processing power quality data for maintenance purposes and provides case studies that show how power quality monitoring data can indicate system anomalies. Finally, the report discusses applying artificial intelligence (AI) in such a system.

2000-12-05T23:59:59.000Z

Note: This page contains sample records for the topic "initiative application power" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


421

Molten Salt Nanomaterials for Thermal Energy Storage and Concentrated Solar Power Applications  

E-Print Network (OSTI)

The thermal efficiency of concentrated solar power (CSP) system depends on the maximum operating temperature of the system which is determined by the operating temperature of the TES device. Organic materials (such as synthetic oil, fatty acid, or paraffin wax) are typically used for TES. This limits the operating temperature of CSP units to below 400 degrees C. Increasing the operating temperature to 560 degrees C (i.e., the creeping temperature of stainless steel), can enhance the theoretical thermal efficiency from 54 percent to 63 percent. However, very few thermal storage materials are compatible for these high temperatures. Molten salts are thermally stable up to 600 degrees C and beyond. Using the molten salts as the TES materials confers several benefits, which include: (1) Higher operating temperature can significantly increase the overall cycle efficiency and resulting costs of power production. (2) Low cost of the molten salt materials can drastically reduce the cost. (3) The molten salts, which are environmentally safe, can also reduce the potential environmental impact. However, these materials suffer from poor thermo-physical properties. Impregnating these materials with nanoparticles can enhance these properties. Solvents doped with nanoparticles are termed as nanofluids. Nanofluids have been reported in the literature for the anomalous enhancement of their thermo-physical properties. In this study, the poor thermal properties of the molten salts were enhanced dramatically on mixing with nanoparticles. For example the specific heat capacity of these molten salt eutectics was found to be enhanced by as much as ~ 26 percent on mixing with nanoparticles at a mass fraction of ~ 1 percent. The resultant properties of these nanomaterials were found to be highly sensitive to small variations in the synthesis protocols. Computational models were also developed in this study to explore the fundamental transport mechanisms on the molecular scale for elucidating the anomalous enhancements in the thermo-physical properties that were measured in these experiments. This study is applicable for thermal energy storage systems utilized for other energy conversion technologies such as geothermal energy, nuclear energy and a combination of energy generation technologies.

Shin, Donghyun

2011-08-01T23:59:59.000Z

422

Technology Initiatives  

NLE Websites -- All DOE Office Websites (Extended Search)

employed to enhance the safety and efficiency of telerobotics in the decontamination and decommissioning of nuclear power plants. Currently, we are exploring opportunities in...

423

Electrical performance characteristics of high power converters for space power applications. Final report, 1 January 1988-30 September 1989  

SciTech Connect

The first goal of this project was to investigate various converters that would be suitable for processing electric power derived from a nuclear reactor. The implementation is indicated of a 20 kHz system that includes a source converter, a ballast converter, and a fixed frequency converter for generating the 20 kHz output. This system can be converted to dc simply by removing the fixed frequency converter. This present study emphasized the design and testing of the source and ballast converters. A push-pull current-fed (PPCF) design was selected for the source converter, and a 2.7 kW version of this was implemented using three 900 watt modules in parallel. The characteristic equation for two converters in parallel was derived, but this analysis did not yield any experimental methods for measuring relative stability. The three source modules were first tested individually and then in parallel as a 2.7 kW system. All tests proved to be satisfactory; the system was stable; efficiency and regulation were acceptable; and the system was fault tolerant. The design of a ballast-load converter, which was operated as a shunt regulator, was investigated. The proposed power circuit is suitable for use with BJTs because proportional base drive is easily implemented. A control circuit which minimizes switching frequency ripple and automatically bypasses a faulty shunt section was developed. A nonlinear state-space-averaged model of the shunt regulator was developed and shown to produce an accurate incremental (small-signal) dynamic model, even though the usual state-space-averaging assumptions were not met. The nonlinear model was also shown to be useful for large-signal dynamic simulation using PSpice.

Stuart, T.A.; King, R.J.

1989-09-01T23:59:59.000Z

424

Assessing Power Substation Network Security and Survivability  

E-Print Network (OSTI)

This paper reports our experiences with identifying cyber-based threats to the survivability of power substation control networks. Observations from the initial application of vulnerability and hardening assessment techniques have been presented. The paper also discusses the state of the power industry cyber security, which appears to lag behind the state-ofthe-practice in both network security and ultrareliable systems design.

Carol Taylor; Paul Oman; Axel Krings

2003-01-01T23:59:59.000Z

425

Environmental externalities: An ASEAN application to coal-based power generation. Extract  

Science Conference Proceedings (OSTI)

Significant benefits to human health that result from emissions control programs may justify the costs of pollution control policies. Many scientists, economists, risk analysts, and policymakers believe that comparisons of the benefits with the costs of pollution control demonstrate that the US stationary source, air emissions control program is justified. This justification is based upon pronounced benefits to human health, especially from controlling suspended particulates and sulfur compounds. Market decisions are usually made on the basis of a consideration of traditional costs such as capital, operating and maintenance, fuel costs, and fixed charges. Social costs, which could be significant, are not incorporated explicitly into such decisions. These social costs could result in a net reduction in the welfare of individuals, and of society as a whole. Because these social costs and their effects are not represented in the price of energy, individual have no way to explicitly value them; hence, they remain unaccounted for in market decisions. By accounting for external costs, the selection of energy sources and production of energy products can lead to and equilibrium, where the total cost of energy and energy products, together with resulting social costs, can be brought to an economic minimum. The concept of an air emissions control program is of interest to the ASEAN countries (Brunei, Indonesia, Malaysia, the Philippines, Singapore, and Thailand) and their governments, especially if such a program could be justified in cost-benefit terms and shown to be directly applicable to ASEAN conditions. It is the intent of the effort described herein to demonstrate that technical options are available to control emissions from coal-based, electric power plants and that that costs of these options may be justified in cost-benefit terms.

Szpunar, C.B.; Gillette, J.L.

1992-06-01T23:59:59.000Z

426

Application of Prony analysis to the determination of modal content and equivalent models for measured power system response  

Science Conference Proceedings (OSTI)

Prony analysis is an emerging methodology that extends Fourier analysis by directly estimating the frequency, damping, strength, and relative phase of the modal components present in a recorded signal. This paper extends earlier work that concentrated upon power system planning applications, for stability program outputs. In this paper results are presented for modal analysis and detailed model construction based upon response data obtained through large-scale tests of the western U.S. power system. BPA's optimal modeling program, SYSFIT, is used to supplement the measurements.

Hauer, J.F. (Bonneville Power Administration, Portland, OR (US))

1991-08-01T23:59:59.000Z

427

Magnetic Materials for High Frequency Power Electronics  

Science Conference Proceedings (OSTI)

Mar 7, 2013 ... Advanced Materials for Power Electronics, Power Conditioning, and Power ... in power conditioning, conversion, and generation applications.

428

California Public Utilities Commission California Solar Initiative  

E-Print Network (OSTI)

California Public Utilities Commission California Solar Initiative Program Handbook September 2012Power #12;Table of Contents i California Solar Initiative Program Handbook September 2012 1. Introduction: California Solar Initiative Program....................................................................1 1

429

Performance Evaluation of a Multi-Port DC-DC Current Source Converter for High Power Applications  

E-Print Network (OSTI)

With the ever-growing developments of sustainable energy sources such as fuel cells, photovoltaics, and other distributed generation, the need for a reliable power conversion system that interfaces these sources is in great demand. In order to provide the highest degree of flexibility in a truly distributed network, it is desired to not only interface multiple sources, but to also interface multiple loads. Modern multi-port converters use high frequency transformers to deliver the different power levels, which add to the size and complexity of the system. The different topological variations of the proposed multi-port dc-dc converter have the potential to solve these problems. This thesis proposes a unique dc-dc current source converter for multi-port power conversion. The presented work will explain the proposed multi-port dc-dc converter's operating characteristics, control algorithms, design and a proof of application. The converter will be evaluated to determine its functionality and applicability. Also, it will be shown that our converter has advantages over modern multi-port converters in its ease of scalability from kW to MW, low cost, high power density and adaption to countless combinations of multiple sources. Finally we will present modeling and simulation of the proposed converter using the PSIM software. This research will show that this new converter topology is unstable without feedback control. If the operating point is moved, one of the source ports of the multiport converter becomes unstable and dies off supplying very little or no power to the load while the remaining source port supplies all of the power the load demands. In order to prevent this and add stability to the converter a simple yet unique control method was implemented. This control method allowed for the load power demanded to be shared between the two sources as well as regulate the load voltage about its desired value.

Yancey, Billy Ferrall

2010-05-01T23:59:59.000Z

430

Assessment of solar options for small power systems applications. Volume II. Identification and characterization of concepts for analysis  

DOE Green Energy (OSTI)

The primary purpose of this study is to provide DOE with an independent, objective assessment of the principal solar thermal conversion concepts that have the potential for achieving commercial success as small electric power sytems in the 1- to 10-MWe range. Seven generic types of collectors, together with associated subsystems for electric power generation, were considered in this study. The collectors can be classified into three categories: (1) two-axis tracking (with compound curvature reflecting surfaces); (2) one-axis tracking (with single-curvature reflecting surfaces); and (3) nontracking (with low-concentration reflecting surfaces). These collectors can be combined with energy transport, energy storage, and power conversion subsystems in a wide variety of ways to formulate conceptual systems for electric power generation. In this study, attention was restricted to configurations that are potentially suitable for development as small power systems (1 to 10 MWe) in the long term (1990 to 2000), with initial commercialization by the mid-1980s. Cogeneration and total energy systems were beyond the scope of this study. All seven types of collectors were analyzed in conceptual system configurations with Rankine-cycle engines. Because they can operate at particularly high concentration ratios, two of the collectors (the Point Focus Central Receiver and the Point Focus Distributed Receiver) were also analyzed with Brayton-cycle engines. In addition, the latter of the two was analyzed with Stirling-cycle engines. With these engine options, 10 conceptual systems were formulated for analysis. Results are presented in detail. (WHK)

Laity, W.W.; Aase, D.T.; Apley, W.J.; Bird, S.P.; Drost, M.K.; Williams, T.A.

1980-06-01T23:59:59.000Z

431

Gabor Transforms on the Sphere with Applications to CMB Power Spectrum Estimation  

E-Print Network (OSTI)

The Fourier transform of a dataset apodised with a window function is known as the Gabor transform. In this paper we extend the Gabor transform formalism to the sphere with the intention of applying it to CMB data analysis. The Gabor coefficients on the sphere known as the pseudo power spectrum is studied for windows of different size. By assuming that the pseudo power spectrum coefficients are Gaussian distributed, we formulate a likelihood ansatz using these as input parameters to estimate the full sky power spectrum from a patch on the sky. Since this likelihood can be calculated quickly without having to invert huge matrices, this allows for fast power spectrum estimation. By using the pseudo power spectrum from several patches on the sky together, the full sky power spectrum can be estimated from full-sky or nearly full-sky observations.

Frode K. Hansen; Krzysztof M. Gorski; Eric Hivon

2002-07-22T23:59:59.000Z

432

Integrated Modeling of Electric Power System Operations and Electricity Market Risks with Applications .  

E-Print Network (OSTI)

??Through integrated modeling of power system operations and market risks, this thesis addresses a variety of important issues on market signals modeling, generation capacity scheduling, (more)

Sun, Haibin

2006-01-01T23:59:59.000Z

433

Communication network modeling for simulation of wide area monitoring and control applications in power systems.  

E-Print Network (OSTI)

??This thesis has mainly focused on investigating the effect of communication network on the power system operation. The main objective of this research has been (more)

MUDIYANSELAGE, SARANGA D. EDIRISINGHE DISSANAYAKE TENNAKOON

2013-01-01T23:59:59.000Z

434

Experience Based Interview Process for Power Plant Management: With a Pilot Application to Aging of Outage Support Equipment  

Science Conference Proceedings (OSTI)

Plant managers are responsible for ensuring that their facilities meet strategic asset management goals in an increasingly competitive power generation marketplace. This report describes an experience based interview (EBI) method for capturing the knowledge of plant staff to more efficiently identify technical or operational issues and make management decisions that protect assets. Included is a demonstration of the method in a pilot application to aging of support equipment that could impact outages in ...

1999-04-05T23:59:59.000Z

435

Feasibility Study of Economics and Performance of Biomass Power Generation at the Former Farmland Industries Site in Lawrence, Kansas. A Study Prepared in Partnership with the Environmental Protection Agency for the RE-Powering America's Land Initiative: Siting Renewable Energy on Potentially Contaminated Land and Mine Sites  

DOE Green Energy (OSTI)

Under the RE-Powering America's Land initiative, the U.S. Environmental Protection Agency (EPA) provided funding to the National Renewable Energy Laboratory (NREL) to support a feasibility study of biomass renewable energy generation at the former Farmland Industries site in Lawrence, Kansas. Feasibility assessment team members conducted a site assessment to gather information integral to this feasibility study. Information such as biomass resources, transmission availability, on-site uses for heat and power, community acceptance, and ground conditions were considered.

Tomberlin, G.; Mosey, G.

2013-03-01T23:59:59.000Z

436

COST COMPARISONS OF CAPITOL INVESTMENT IN VARIOUS NUCLEAR POWER PLANTS FOR CENTRAL STATION APPLICATION  

SciTech Connect

The capital costs for a number of power reactors are compared after escalation to equivalent construction dates. It is shown that the most important factor affecting nuclear power plant capital costs is the net capacity of the plant. Steam conditions are shown to have a relatively minor effect on capital costs. (auth)

Bender, M.; Stulting, R.D.

1958-10-14T23:59:59.000Z

437

Power control schemes in wireless sensor networks for homecare e-health applications  

Science Conference Proceedings (OSTI)

Power control is an important research topic for ad-hoc Wireless Sensor Networks (WSNs). In today's sophisticated and competitive wireless environment, the control of the energy consumption in a WSN for homecare e-health makes it possible to guarantee ... Keywords: homecare e-health, low-energy consumption, power control, wireless sensor networks

Nikolaos A. Pantazis; Dimitrios D. Vergados; Nikolaos I. Miridakis; Dimitrios J. Vergados

2008-07-01T23:59:59.000Z

438

Condition Data Aggregation with Application to Failure Rate Calculation of Power Transformers  

E-Print Network (OSTI)

in electric power systems, power transmission and distribution grids are critical for a nation's growth multiple, highly distributed, and heterogeneous data sources storing various infor- mation about equipment substation equipment condition data collected from distributed data resources, some of which may be local

Honavar, Vasant

439

An ultra low power ADC for wireless micro-sensor applications  

E-Print Network (OSTI)

Autonomous micro-sensor nodes rely on low-power circuits to enable energy harvesting as a means of sustaining long-term, maintenance free operation. This work pursues the design of an ultra low-power analog-to-digital ...

Verma, Naveen

2005-01-01T23:59:59.000Z

440

Electrical characterization and modelling of round spiral supercapacitors for high power applications  

E-Print Network (OSTI)

Electrical characterization and modelling of round spiral supercapacitors for high power of supercapacitors under railway and electrical traction constraints. Electrical model parameters according of supercapacitors and give precious information on its state of health. These kinds of studies need a powerful

Paris-Sud XI, Université de

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441

Applicability of trends in nuclear safety analysis to space nuclear power systems  

SciTech Connect

A survey is presented of some current trends in nuclear safety analysis that may be relevant to space nuclear power systems. This includes: lessons learned from operating power reactor safety and licensing; approaches to the safety design of advanced and novel reactors and facilities; the roles of risk assessment, extremely unlikely accidents, safety goals/targets; and risk-benefit analysis and communication.

Bari, R.A.

1992-10-01T23:59:59.000Z

442

GastrobotsBenefits and Challenges of Microbial Fuel Cells in FoodPowered Robot Applications  

Science Conference Proceedings (OSTI)

The present paper introduces the concept of i>Gastrobots, a class of intelligent machines that derive their operational power by exploiting the digestion of real food. Robots of this type could potentially be made self sufficient with just an input ... Keywords: bio-machines, food powered, microbial fuel cells, self-sufficient robots

Stuart Wilkinson

2000-09-01T23:59:59.000Z

443

Adjoint sensitivity analysis for numerical weather prediction: applications to power grid optimization  

Science Conference Proceedings (OSTI)

We present an approach to estimate adjoint sensitivities of economic metrics of relevance in the power grid with respect to physical weather variables using numerical weather prediction models. We demonstrate that this capability can significantly enhance ... Keywords: adjoint sensitivity analysis, numerical weather prediction, power grid planning, sensor siting

Alexandru Cioaca; Victor Zavala; Emil Constantinescu

2011-11-01T23:59:59.000Z

444

A low-power, multichannel gated oscillator-based CDR for short-haul applications  

Science Conference Proceedings (OSTI)

A gated current-controlled oscillator (GCCO) based topology is used to implement a low-power multi-channel clock and data recovery (CDR) system in a 0.18um digital CMOS technology. A systematic approach is presented to design a reliable and low-power ...

Armin Tajalli; Paul Muller; Mojtaba Atarodi; Yusuf Leblebici

2005-08-01T23:59:59.000Z

445

Modeling and analysis of middleware design for streaming power grid applications  

Science Conference Proceedings (OSTI)

High quality, high throughput sensor devices in the power distribution network are driving an increase in the volume and the rate of data streams available to monitor and control the power grid. Middleware support is essential to coordinate data streams ... Keywords: distributed system, middleware, modeling, performance, smart grids

Ilge Akkaya; Yan Liu; Ian Gorton

2012-12-01T23:59:59.000Z

446

The NERVA Derivative Reactor - A multi-application space power source  

Science Conference Proceedings (OSTI)

The U.S. Air Force, SDI, and NASA have identified increasing needs for electric power for all types of space missions. For many of these, only nuclear-electric can provide the lowest life cycle cost. Among the many different types of nuclear space power systems proposed, the NERVA Derivative Reactor, based on the proven NERVA/ROVER technology stands out as the most attractive. It can be integrated with closed and open cycle turbo-generators and open cycle MHD generators to provide the wide range of diverse power requirements that include multikilowatts to megawatts of steady state, baseload power and multi-megawatts of burst power for weapon systems. The NDR technology can be applied to these systems with relatively little additional engineering developments, which are primarily related to demonstrating compliance with the space nuclear safety requirements.

Pierce, B.L.; Wett, J.F.; Chi, J.W.H.

1987-01-01T23:59:59.000Z

447

Fabrication and Evaluation of a High Performance SiC Inverter for Wireless Power Transfer Applications  

SciTech Connect

In this study, a high power density SiC high efficiency wireless power transfer converter system via inductive coupling has been designed and developed. The detailed power module design, cooling system design and power stage development are presented. The successful operation of rated power converter system demonstrates the feasible wireless charging plan. One of the most important part of this study is the wind bandgap devices packaged at the Oak Ridge National Laboratory (ORNL) using the in-house packaging technologies by employing the bare SiC dies acquired from CREE, which are rated at 50 A / 1200 V each. These packaged devices are also inhouse tested and characterized using ORNL s Device Characterization Facility. The successful operation of the proposed inverter is experimentally verified and the efficiency and operational characteristics of the inverter are also revealed.

Onar, Omer C [ORNL] [ORNL; Campbell, Steven L [ORNL] [ORNL; Ning, Puqi [ORNL] [ORNL; Miller, John M [ORNL] [ORNL; Liang, Zhenxian [ORNL] [ORNL

2013-01-01T23:59:59.000Z

448

Development of a modular, bi-directional power inverter for photovoltaic applications. Annual technical progress report, August 1995--August 1996  

DOE Green Energy (OSTI)

The goal of this research and development contract is to develop and prototype for manufacturing a modular, bi-directional power inverter for photovoltaic applications. This modular inverter will be used as building block for larger inverters by connecting in parallel (for higher power) or in series (for higher AC voltage) or both. The modular inverter will be capable of being interconnected for single, split and three phase configurations for both 60 hertz (domestic) and 50 hertz (international) applications. The design will also construction of units with different DC input voltages and AC output voltages to further satisfy various application and market requirements. By standardizing on a single {open_quotes}building block{close_quotes} inverter module, the need to build multiple models and sizes for different application can be avoided. The higher volume of a single design will allow improved manufacturing and will result in higher reliability by reducing low volume will allow improved manufacturing will result in higher reliability by reducing low volume modifications. The result will be lower cost and improved performance of photovoltaic systems.

Freitas, C. [Trace Engineering Company, Inc., Arlington, WA (United States)

1997-08-01T23:59:59.000Z

449

A transient heat pipe model for a multimegawatt space power application  

SciTech Connect

The Argonne ''Monolithic Solid Oxide Fuel Cell'' power generation system has been described previously. In a ''burst power'' generation mode, hundreds of megawatts of DC power would be generated for a finite time interval. An accompanying nuclear power generation system would be used to regenerate the spent reactants (hydrogen and oxygen) in this closed system for subsequent re-use. Although the Argonne space power supply was designed to be a closed system in terms of material effluents, it had to reject the waste heat from the fuel cells (which operate with approximately 70% conversion efficiency). The heat rejection method included multiple heat pipes operated in parallel to convey thermal energy from the fuel cell coolant for ultimate radiation-rejection to space. These individual heat pipes featured a convectively heated evaporator section, an adiabatic section leading out from the fuel cell chamber to space, and the condenser section radiating to space. The transient behavior of these heat rejection heat pipes was not considered previously. This paper addresses the problem, showing that the heat pipes as conceptually designed also satisfy the stringent transient power generation---heat rejection requirements of the multimegawatt power generation system. 4 refs., 4 figs.

Carlson, L.W.

1989-01-01T23:59:59.000Z

450

Evaluation of commercial lithium-ion cells based on composite positive electrode for plug-in hybrid electric vehicle applications. Part I: Initial characterizations  

Science Conference Proceedings (OSTI)

Evaluating commercial Li-ion batteries presents some unique benefits. One of them is to use cells made from established fabrication process and form factor, such as those offered by the 18650 cylindrical configuration, to provide a common platform to investigate and understand performance deficiency and aging mechanism of target chemistry. Such an approach shall afford us to derive relevant information without influence from processing or form factor variability that may skew our understanding on cell-level issues. A series of 1.9 Ah 18650 lithium ion cells developed by a commercial source using a composite positive electrode comprising (LiMn1/3Ni1/3Co1/3O2 + LiMn2O4) is being used as a platform for the investigation of certain key issues, particularly path-dependent aging and degradation in future plug-in hybrid electric vehicle (PHEV) applications, under the US Department of Energy's Appl