Sample records for microgrids tx oe

  1. Micro-Grids for Colonias (TX)

    SciTech Connect (OSTI)

    Dean Schneider; Michael Martin; Renee Berry; Charles Moyer

    2012-07-31T23:59:59.000Z

    This report describes the results of the final implementation and testing of a hybrid micro-grid system designed for off-grid applications in underserved Colonias along the Texas/Mexico border. The project is a federally funded follow-on to a project funded by the Texas State Energy Conservation Office in 2007 that developed and demonstrated initial prototype hybrid generation systems consisting of a proprietary energy storage technology, high efficiency charging and inverting systems, photovoltaic cells, a wind turbine, and bio-diesel generators. This combination of technologies provided continuous power to dwellings that are not grid connected, with a significant savings in fuel by allowing power generation at highly efficient operating conditions. The objective of this project was to complete development of the prototype systems and to finalize and engineering design; to install and operate the systems in the intended environment, and to evaluate the technical and economic effectiveness of the systems. The objectives of this project were met. This report documents the final design that was achieved and includes the engineering design documents for the system. The system operated as designed, with the system availability limited by maintenance requirements of the diesel gensets. Overall, the system achieved a 96% availability over the operation of the three deployed systems. Capital costs of the systems were dependent upon both the size of the generation system and the scope of the distribution grid, but, in this instance, the systems averaged $0.72/kWh delivered. This cost would decrease significantly as utilization of the system increased. The system with the highest utilization achieved a capitol cost amortized value of $0.34/kWh produced. The average amortized fuel and maintenance cost was $0.48/kWh which was dependent upon the amount of maintenance required by the diesel generator. Economically, the system is difficult to justify as an alternative to grid power. However, the operational costs are reasonable if grid power is unavailable, e.g. in a remote area or in a disaster recovery situation. In fact, avoided fuel costs for the smaller of the systems in use during this project would have a payback of the capital costs of that system in 2.3 years, far short of the effective system life.

  2. Microgrids

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels DataDepartment of Energy Your Density Isn't YourTransport(FactDepartment3311, 3312),Microgrid Workshop Report August 2011 Microgrid

  3. Microgrids

    E-Print Network [OSTI]

    Robert H. Lasseter

    2002-01-01T23:59:59.000Z

    Abstract--Application of individual distributed generators can cause as many problems as it may solve. A better way to realize the emerging potential of distributed generation is to take a system approach which views generation and associated loads as a subsystem or a “microgrid”. The sources can

  4. The Advanced Microgrid: Integration and Integration and Interoperabili...

    Office of Environmental Management (EM)

    standards activities. It complements workshop reports and information provided by OE's Smart Grid R&D Program and other microgrid conference proceedings. With their...

  5. Facility Microgrids

    SciTech Connect (OSTI)

    Ye, Z.; Walling, R.; Miller, N.; Du, P.; Nelson, K.

    2005-05-01T23:59:59.000Z

    Microgrids are receiving a considerable interest from the power industry, partly because their business and technical structure shows promise as a means of taking full advantage of distributed generation. This report investigates three issues associated with facility microgrids: (1) Multiple-distributed generation facility microgrids' unintentional islanding protection, (2) Facility microgrids' response to bulk grid disturbances, and (3) Facility microgrids' intentional islanding.

  6. 2007 ~OE9 ... oe

    E-Print Network [OSTI]

    ¨ ¡­, ......°i --¿ ·¢ ,, ...»fi ~¿¡ »ø Web Service ~ Web ° ...fl ......°i ¡­(2002AA11304) ¡¢,,oe... ¨» ¿ § »ø ~¿¡ Web ° ب¡ " ...fl ......°i --¿ ¡­(60273018) " ,,oe...¡ ¯ ¨ ¡­ ª »ø·¡ --¿ ·¢ ,, ,, »fi ~¿¡ l ,æ~ »ø ,--¿ · " Web ° ,, º ...fl . E2mail : gue2 @ruc. edu. cn. ^ --¡· ,~--,1964 ~OEoe ,° ,' °¿ oe

  7. Arnold Schwarzenegger CERTS MICROGRID

    E-Print Network [OSTI]

    Arnold Schwarzenegger Governor CERTS MICROGRID LABORATORY TEST BED Microgrid Fault Protection Based;#12;Microgrid Fault Protection Based on Symmetrical and Differential Current Components Prepared for Public............................................................................................................................. 12 2. AEP CERTS MICROGRID

  8. 2008 ~OE8 ... oe

    E-Print Network [OSTI]

    ...fl . Deep Web ...fl·æ~»¨·¶¤~£°¥¯ "·...· 1) ,2) ¡¡^--¡· 1) ¡¡...`` 1) 1) (--,,oe¨¸^æ·§--¯¢§" ¡¡­­' ¡¡ 100872) 2) (--°·¶·§ ¡¡>¸ -- ¡¡ 221116) " ¡¡" ¡¡¸¯ Deep Web ~,^·¢,, ,·,¶¨¡¢,,,,...¶flWeb °¿-- ,"^»§Æ,,',°`¿~° ¥"­ Deep Web ...fl·æ~»,--¿¨¨ª . ·¿· Web °¿»~¤,,Øfl¿"^»§Æ,,'·æ~Æ ´ ,¨"¤`¢^»§ºº

  9. Microgrid Testing

    SciTech Connect (OSTI)

    Shirazi, M.; Kroposki, B.

    2012-01-01T23:59:59.000Z

    With the publication of IEEE 1574.4 Guide for Design, Operation, and Integration of Distributed Resource Island Systems with Electric Power Systems, there is an increasing amount of attention on not only the design and operations of microgrids, but also on the proper operation and testing of these systems. This standard provides alternative approaches and good practices for the design, operation, and integration of microgrids. This includes the ability to separate from and reconnect to part of the utility grid while providing power to the islanded power system. This presentation addresses the industry need to develop standardized testing and evaluation procedures for microgrids in order to assure quality operation in the grid connected and islanded modes of operation.

  10. Arnold Schwarzenegger CERTS MICROGRID

    E-Print Network [OSTI]

    Arnold Schwarzenegger Governor CERTS MICROGRID LABORATORY TEST BED Technical Advisory Committee Microgrid Test Bed Project 30 April 2008 Lawrence Berkeley National Laboratory Building 90 Room 4133 1

  11. Arnold Schwarzenegger CERTS MICROGRID

    E-Print Network [OSTI]

    Arnold Schwarzenegger Governor CERTS MICROGRID LABORATORY TEST BED Summary of CERTS Microgrid Static Switch Power Quality Tests at AEP Dolan, CERTS Microgrid Static Switch Testing Prepared For of the information in this report. #12;#12;AEP DTC Proposed Test Plan ­ CERTS Micro-grid Static Switch Project

  12. Sandia Energy - Microgrid

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    ridashoter2015-04-07T21:09:21+00:00 A microgrid is a small-scale version of a centralized electric grid-implemented at a local level. A microgrid can be tied to the larger grid,...

  13. Sandia National Laboratories: Microgrid

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Security, Microgrid, News, News & Events, Partnership, Research & Capabilities, SMART Grid The Smart Power Infrastructure Demonstration for Energy Reliability and Security...

  14. Microgrids for Rural Electrification

    E-Print Network [OSTI]

    Microgrids for Rural Electrification: A critical review of best practices based on seven case Electrification Microgrids for Rural Electrification: A critical review of best practices based on seven case Mellon University University of California, Berkeley #12;Microgrids for Rural Electrification i Dan

  15. Arnold Schwarzenegger CERTS MICROGRID

    E-Print Network [OSTI]

    Arnold Schwarzenegger Governor CERTS MICROGRID LABORATORY TEST BED Test Plan Section 7.0 Validate upon the accuracy or adequacy of the information in this report. #12;#12;CERTS MICROGRID TEST REPORT.0 MICROGRID TESTBED SETUP......................................................... 2 4.0 PROPOSED TEST PLAN

  16. Arnold Schwarzenegger CERTS MICROGRID

    E-Print Network [OSTI]

    Arnold Schwarzenegger Governor CERTS MICROGRID LABORATORY TEST BED Test Log Prepared For in this report. #12;#12;DTC Registered Procedure - CERTS Microgrid Test Plan Appendix C: TEST LOG Dolan: Assigned Approved by: K. P. Loving Procedure Review Date: 23 Feb. 2008 Appendix C - "CERTS Microgrid Test

  17. Arnold Schwarzenegger CERTS MICROGRID

    E-Print Network [OSTI]

    Arnold Schwarzenegger Governor CERTS MICROGRID LABORATORY TEST BED Test Plan Section 8.0 Reduced in this report. #12;#12;CERTS MICROGRID TEST REPORT SECTION 8.0 "Reduced System Tests" #12;I Table of Contents 1.0 MICROGRID TESTBED SETUP......................................................... 2 4.0 PROPOSED TEST PLAN

  18. Arnold Schwarzenegger CERTS MICROGRID

    E-Print Network [OSTI]

    Arnold Schwarzenegger Governor CERTS MICROGRID LABORATORY TEST BED Tecogen CHP Modules to the CERTS research program for the AEP Microgrid Test Bed. Tecogen subcontracted with Youtility Inc. (Hudson was bench-tested at Youtility both individually, and in pairs as a simulated microgrid. Rather than

  19. Making Microgrids Work

    SciTech Connect (OSTI)

    Kroposki, B.; Lasseter, R.; Ise, T.; Morozumi, S.; Papathanassiou, S.; Hatziargyriou, N.

    2008-05-01T23:59:59.000Z

    Distributed energy resources including distributed generation and distributed storage are sources of energy located near local loads and can provide a variety of benefits including improved reliability if they are properly operated in the electrical distribution system. Microgrids are systems that have at least one distributed energy resource and associated loads and can form intentional islands in the electrical distribution systems. This paper gives an overview of the microgrid operation. Microgrid testing experiences from different counties was also provided.

  20. Arnold Schwarzenegger CERTS MICROGRID

    E-Print Network [OSTI]

    equipment operation ... 4.0 Procedures ­ CERTS Microgrid Test Bed Lockout/Tagout 5.0 Procedures ­ General 5

  1. Arnold Schwarzenegger CERTS MICROGRID

    E-Print Network [OSTI]

    Figure 3 - Simplified diagram of Test Bed showing Meter and Relay locations .... 5 Figure 4 - DiagramArnold Schwarzenegger Governor CERTS MICROGRID LABORATORY TEST BED Test Plan Section 6.0 Microgrid Test Bed System Checkout (Static Switch) Prepared For: California Energy Commission Public Interest

  2. Arnold Schwarzenegger CERTS MICROGRID

    E-Print Network [OSTI]

    Figure 3 - Simplified diagram of Test Bed showing Meter and Relay locations .... 4 Figure 4 - DiagramArnold Schwarzenegger Governor CERTS MICROGRID LABORATORY TEST BED Test Plan Section 10.0 Difficult in this report. #12;#12;CERTS MICROGRID TEST REPORT SECTION 10.0 "Difficult Load Tests" #12;I Table of Contents 1

  3. CERTS Microgrid Laboratory Test Bed

    SciTech Connect (OSTI)

    ETO, J.; LASSETER, R.; SCHENKMAN, B.; STEVENS, J.; KLAPP, D.; VOLKOMMER, H.; LINTON, E.; HURTADO, H.; ROY, J.

    2010-06-08T23:59:59.000Z

    The objective of the CERTS Microgrid Test Bed project was to enhance the ease of integrating energy sources into a microgrid. The project accomplished this objective by developing and demonstrating three advanced techniques, collectively referred to as the CERTS Microgrid concept, that significantly reduce the level of custom field engineering needed to operate microgrids consisting of generating sources less than 100kW. The techniques comprising the CERTS Microgrid concept are: 1 a method for effecting automatic and seamless transitions between grid-connected and islanded modes of operation, islanding the microgrid's load from a disturbance, thereby maintaining a higher level of service, without impacting the integrity of the utility's electrical power grid; 2 an approach to electrical protection within a limited source microgrid that does not depend on high fault currents; and 3 a method for microgrid control that achieves voltage and frequency stability under islanded conditions without requiring high-speed communications between sources.

  4. CERTS Microgrid Laboratory Test Bed

    E-Print Network [OSTI]

    Lasseter, R. H.

    2010-01-01T23:59:59.000Z

    Roy, Nancy Jo Lewis, “CERTS Microgrid Laboratory Test Bed Report:Appendix K,” http://certs.lbl.gov/CERTS_P_

  5. Online Energy Generation Scheduling for Microgrids with

    E-Print Network [OSTI]

    Zhang, Junshan

    Online Energy Generation Scheduling for Microgrids with Intermittent Energy Sources and Co entitled: Online Energy Generation Scheduling for Microgrids with Intermittent Energy Sources and Co schedul- ing. However, accurate prediction cannot be guaranteed due to the small scale of microgrids

  6. Webinar Presentation: Energy Storage Solutions for Microgrids...

    Office of Environmental Management (EM)

    Presentation: Energy Storage Solutions for Microgrids (November 2012) Webinar Presentation: Energy Storage Solutions for Microgrids (November 2012) On November 7, 2012, Clean...

  7. Shape of the microgrid

    SciTech Connect (OSTI)

    Marnay, Chris; Rubio, F. Javier; Siddiqui, Afzal S.

    2000-11-01T23:59:59.000Z

    Restrictions on expansion of traditional centralized generating and delivery systems may be becoming so tight in the industrialized countries that they cannot reasonably be expected meet future electricity demand growth at acceptable cost. Meanwhile, technological advances, notably improved power electronics that permit grid interconnection of asynchronous generation sources, is tilting the economics of power generation back towards smaller scales, thereby reversing a century long trend towards the central control paradigm. Special power quality requirements or opportunities for combined heat and power applications make on-site generation an even more attractive option for customers. The existence of a significant amount of electricity sources dispersed throughout the low voltage distribution system could create a power system quite different to the one we are familiar with and creating it offers significant research and engineering challenges. Moreover, the electrical and economic relationships between customers and the distribution utility and among customers may take forms quite distinct from those we know today. For example, rather than devices being individually interconnected in parallel with the grid, they may be grouped with loads in a semi-autonomous neighborhood that could be termed a microgrid. A microgrid is a cluster of small (by the standards of current power systems, e.g. < 500 kW) sources, storage systems, and loads which presents itself to the grid as a legitimate single entity. The heart of the microgrid concept is the notion of a flexible, yet controllable electronic interface between the microgrid and the familiar wider power system, or macrogrid. This interface essentially isolates the two sides electrically; and yet connects them economically by allowing delivery and receipt of electrical energy and ancillary services (EE&AS) at the interface. From the customer side of the interface, the microgrid should appear as an autonomous power system meeting the power quality and reliability requirements of the customer. Such issues as local voltage, reliability, losses and quality of power should be those that support the customers' objectives. From the macrogrid side, however, the microgrid should appear as a legitimate entity akin to current interconnected generators or loads. A key distinction between microgrids and our familiar arrangements is the expanded role of electricity endusers in determining the pattern of development of the overall power system, which must not only accommodate purchases and sales of EE&AS to and from established markets but also contractual agreements between microgrids. Fundamentally, the characteristics and capabilities of the microgrid will be determined by its internal requirements together with the technical, economic, and regulatory opportunities and constraints it faces, and not by established objectives for capacity expansion and reliability of the macrogrid. The goal of Consortium for Electric Reliability Technology Solutions (CERTS) work underway at the Berkeley Lab is to anticipate possible patterns of microgrid development that can help focus research efforts on the key technical problems that must be solved to enable microgrid deployment.

  8. Arnold Schwarzenegger CERTS MICROGRID

    E-Print Network [OSTI]

    Arnold Schwarzenegger Governor CERTS MICROGRID LABORATORY TEST BED Test Bed Design Schematics Park Waitsfield, VT 05673 802-496-2955 www.northernpower.com CERTS Test Bed Schematic - PRELIMINARY (including Relay 1) T11 500kVA L11A,B,C CB12 CB13 Feeder C 75 yds cable Load Bank Zone 6 (Sheet 16, 17) A12 B

  9. Arnold Schwarzenegger CERTS MICROGRID

    E-Print Network [OSTI]

    Figure 3 - Simplified diagram of Test Bed showing Meter and Relay locations .... 4 Figure 4 - DiagramArnold Schwarzenegger Governor CERTS MICROGRID LABORATORY TEST BED Test Plan Section 9.0 Power Flow Control Tests Prepared For: California Energy Commission Public Interest Energy Research Program Prepared

  10. Microgrid: A Conceptual Solution

    E-Print Network [OSTI]

    Robert H. Lasseter; Paolo Piagi

    2004-01-01T23:59:59.000Z

    Abstract — Application of individual distributed generators can cause as many problems as it may solve. A better way to realize the emerging potential of distributed generation is to take a system approach which views generation and associated loads as a subsystem or a “microgrid”. During

  11. 2012 Microgrid Workshop Summary Released

    Broader source: Energy.gov [DOE]

    The Department of Energy has released the summary report from the July 30-31, 2012 Microgrid Workshop presented by the Office of Electricity Delivery and Energy Reliability at the Illinois Institute of Technology in Chicago. The workshop was held in response to discussions at the preceding DOE Microgrid Workshop, held in August 2011, which called for sharing lessons learned and best practices for system integration from existing projects in the U.S. (including military microgrids) and internationally.

  12. CERTS Microgrid Laboratory Test Bed

    SciTech Connect (OSTI)

    Eto, Joe; Lasseter, Robert; Schenkman, Ben; Stevens, John; Klapp, Dave; Volkommer, Harry; Linton, Ed; Hurtado, Hector; Roy, Jean

    2009-06-18T23:59:59.000Z

    The objective of the CERTS Microgrid Test Bed project was to enhance the ease of integrating energy sources into a microgrid. The project accomplished this objective by developing and demonstrating three advanced techniques, collectively referred to as the CERTS Microgrid concept, that significantly reduce the level of custom field engineering needed to operate microgrids consisting of generating sources less than 100kW. The techniques comprising the CERTS Microgrid concept are: 1) a method for effecting automatic and seamless transitions between grid-connected and islanded modes of operation, islanding the microgrid's load from a disturbance, thereby maintaining a higher level of service, without impacting the integrity of the utility's electrical power grid; 2) an approach to electrical protection within a limited source microgrid that does not depend on high fault currents; and 3) a method for microgrid control that achieves voltage and frequency stability under islanded conditions without requiring high-speed communications between sources. These techniques were demonstrated at a full-scale test bed built near Columbus, Ohio and operated by American Electric Power. The testing fully confirmed earlier research that had been conducted initially through analytical simulations, then through laboratory emulations,and finally through factory acceptance testing of individual microgrid components. The islanding and resychronization method met all Institute of Electrical and Electronics Engineers Standard 1547 and power quality requirements. The electrical protection system was able to distinguish between normal and faulted operation. The controls were found to be robust under all conditions, including difficult motor starts and high impedance faults. The results from these tests are expected to lead to additional testing of enhancements to the basic techniques at the test bed to improve the business case for microgrid technologies, as well to field demonstrations involving microgrids that involve one or more of the CERTS Microgrid concepts. Future planned microgrid work involves unattended continuous operation of the microgrid for 30 to 60 days to determine how utility faults impact the operation of the microgrid and to gage the power quality and reliability improvements offered by microgrids.

  13. CERTS Microgrid Laboratory Test Bed

    E-Print Network [OSTI]

    Lasseter, R. H.

    2010-01-01T23:59:59.000Z

    inverters, microgrid, CERTS, power vs. frequency droop,voltage droop. The objective of the CERTS Microgridusing a power vs. frequency droop controller. If there is

  14. Project Title: Microgrid Design Toolset

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Microgrid Design Toolset Organization: Sandia National Laboratories (with support from LBNL and PNNL) Presenters: Jason Stamp and Kevin Schneider FY 2014 Funding (K): 900k...

  15. System and method for controlling microgrid

    DOE Patents [OSTI]

    Bose, Sumit (Niskayuna, NY); Achilles, Alfredo Sebastian (Bavaria, DE); Liu, Yan (Ballston Lake, NY); Ahmed, Emad Ezzat (Munich, DE); Garces, Luis Jose (Niskayuna, NY)

    2011-07-19T23:59:59.000Z

    A system for controlling a microgrid includes microgrid assets and a tieline for coupling the microgrid to a bulk grid; and a tieline controller coupled to the tieline. At least one of the microgrid assets comprises a different type of asset than another one of the microgrid assets. The tieline controller is configured for providing tieline control signals to adjust active and reactive power in respective microgrid assets in response to commands from the bulk grid operating entity, microgrid system conditions, bulk grid conditions, or combinations thereof.

  16. Arnold Schwarzenegger CERTS MICROGRID

    E-Print Network [OSTI]

    as a microgrid. Test I_a_i (0KW-30KW step load) Unit #1 Transient Response Unit #2 Transient Response Figure 1 individual inverters in an islanded condition. The data provided in this section depicts step loads Individual Inverter Transient Response 0 ­ 30 kW A (Island) B (Island) Load Bank #1(S.P/Actual) KW 0.0/0.0 KW

  17. Sandia Energy - Microgrid

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOE Office of ScienceandMesa del Sol Home Distribution Grid Integration Permalink Gallery Mesa del SolMicrogrid Home

  18. 1 Smart Distribution: Coupled Microgrids

    E-Print Network [OSTI]

    R. H. Lasseter

    Abstract-- The distribution system provides major opportunities for smart grid concepts. One way to approach distribution system problems is to rethinking our distribution system to include the integration of high levels of distributed energy resources, using microgrid concepts. Basic objectives

  19. Dynamics and challenges of microgrids implementation

    E-Print Network [OSTI]

    Sabhlok, Vikalp Pal

    2013-01-01T23:59:59.000Z

    Microgrids have the capability of operating on an island mode as well as an integrated mode with the smart grid, depending on the requirement and objectives. Recently, microgrids projects have gained popularity both in ...

  20. Impact of load type on microgrid stability

    E-Print Network [OSTI]

    Monnin, Jared P

    2012-01-01T23:59:59.000Z

    Microgrids show great promise as a means of integrating distributed generation sources into the public grid distribution system. In order to provide uninterrupted,high quality power to local loads, microgrids must have the ...

  1. Energy Security: Microgrid Planning and Design (Presentation)

    SciTech Connect (OSTI)

    Giraldez, J.

    2012-05-01T23:59:59.000Z

    Energy Security: Microgrid Planning and Design presentation to be given at the 2012 WREF in Denver, CO.

  2. Microgrid cyber security reference architecture.

    SciTech Connect (OSTI)

    Veitch, Cynthia K.; Henry, Jordan M.; Richardson, Bryan T.; Hart, Derek H.

    2013-07-01T23:59:59.000Z

    This document describes a microgrid cyber security reference architecture. First, we present a high-level concept of operations for a microgrid, including operational modes, necessary power actors, and the communication protocols typically employed. We then describe our motivation for designing a secure microgrid; in particular, we provide general network and industrial control system (ICS)-speci c vulnerabilities, a threat model, information assurance compliance concerns, and design criteria for a microgrid control system network. Our design approach addresses these concerns by segmenting the microgrid control system network into enclaves, grouping enclaves into functional domains, and describing actor communication using data exchange attributes. We describe cyber actors that can help mitigate potential vulnerabilities, in addition to performance bene ts and vulnerability mitigation that may be realized using this reference architecture. To illustrate our design approach, we present a notional a microgrid control system network implementation, including types of communica- tion occurring on that network, example data exchange attributes for actors in the network, an example of how the network can be segmented to create enclaves and functional domains, and how cyber actors can be used to enforce network segmentation and provide the neces- sary level of security. Finally, we describe areas of focus for the further development of the reference architecture.

  3. Microgrids: distributed on-site generation

    E-Print Network [OSTI]

    Watson, Andrew

    : · Diversity of the load profile as a function of microgrid size; · Feasibility of accurate control of bothMicrogrids: distributed on-site generation Suleiman Abu-Sharkh, Rachel Li, Tom Markvart, Neil Ross for Climate Change Research Technical Report 22 #12;1 Microgrids: distributed on-site generation Tyndall

  4. Microgrid Fault Protection Based on Symmetrical and Differential Current Components

    E-Print Network [OSTI]

    Microgrid Fault Protection Based on Symmetrical and Differential Current Components Prepared.........................................................................................8 2. AEP CERTS MICROGRID .........................................................................9 ........................................................................67 #12;3 Index of Figures Figure 1: Schematic representation of the AEP CERTS microgrid

  5. Distributed Generation Investment by a Microgrid Under Uncertainty

    E-Print Network [OSTI]

    Siddiqui, Afzal; Marnay, Chris

    2006-01-01T23:59:59.000Z

    option on natural gas generation, which increases in valueL ABORATORY Distributed Generation Investment by a MicrogridORMMES’06 Distributed Generation Investment by a Microgrid

  6. DC Microgrids Scoping Study: Estimate of Technical and Economic...

    Office of Environmental Management (EM)

    ability of microgrids to provide higher reliability and higher power quality than utility power systems and improved energy utilization. The vast majority of these microgrids are...

  7. Validation of the CERTS Microgrid Concept The CEC/CERTS MicrogridTestbed

    SciTech Connect (OSTI)

    Nichols, David K.; Stevens, John; Lasseter, Robert H.; Eto,Joseph H.

    2006-06-01T23:59:59.000Z

    The development of test plans to validate the CERTSMicrogrid concept is discussed, including the status of a testbed.Increased application of Distributed Energy Resources on the Distributionsystem has the potential to improve performance, lower operational costsand create value. Microgrids have the potential to deliver these highvalue benefits. This presentation will focus on operationalcharacteristics of the CERTS microgrid, the partners in the project andthe status of the CEC/CERTS microgrid testbed. Index Terms DistributedGeneration, Distributed Resource, Islanding, Microgrid,Microturbine

  8. Validation of the CERTS Microgrid Concept The CEC/CERTS Microgrid Testbed

    E-Print Network [OSTI]

    Nichols, David K.; Stevens, John; Lasseter, Robert H.; Eto, Joseph H.

    2006-01-01T23:59:59.000Z

    Distributed Generation, Distributed Resource, Islanding, Microgrid, Microturbine ISTRIBUTED ENERGY RESOURCES (DER) hold promise for solving many issues facing electric utilities.

  9. Why Two Grids Can Be Better Than One: How the CERTS Microgrid...

    Broader source: Energy.gov (indexed) [DOE]

    and improvement of key microgrid components, visit the Microgrids page. Why Two Grids Can Be Better Than One: How the CERTS Microgrid Evolved from Concept to Practice...

  10. Energy manager design for microgrids

    SciTech Connect (OSTI)

    Firestone, Ryan; Marnay, Chris

    2005-01-01T23:59:59.000Z

    On-site energy production, known as distributed energy resources (DER), offers consumers many benefits, such as bill savings and predictability, improved system efficiency, improved reliability, control over power quality, and in many cases, greener electricity. Additionally, DER systems can benefit electric utilities by reducing congestion on the grid, reducing the need for new generation and transmission capacity, and offering ancillary services such as voltage support and emergency demand response. Local aggregations of distributed energy resources (DER) that may include active control of on-site end-use energy devices can be called microgrids. Microgrids require control to ensure safe operation and to make dispatch decisions that achieve system objectives such as cost minimization, reliability, efficiency and emissions requirements, while abiding by system constraints and regulatory rules. This control is performed by an energy manager (EM). Preferably, an EM will achieve operation reasonably close to the attainable optimum, it will do this by means robust to deviations from expected conditions, and it will not itself incur insupportable capital or operation and maintenance costs. Also, microgrids can include supervision over end-uses, such as curtailing or rescheduling certain loads. By viewing a unified microgrid as a system of supply and demand, rather than simply a system of on-site generation devices, the benefits of integrated supply and demand control can be exploited, such as economic savings and improved system energy efficiency.

  11. CERTS Microgrid Laboratory Test Bed

    SciTech Connect (OSTI)

    Lasseter, R. H.; Eto, J. H.; Schenkman, B.; Stevens, J.; Volkmmer, H.; Klapp, D.; Linton, E.; Hurtado, H.; Roy, J.

    2010-06-08T23:59:59.000Z

    CERTS Microgrid concept captures the emerging potential of distributed generation using a system approach. CERTS views generation and associated loads as a subsystem or a 'microgrid'. The sources can operate in parallel to the grid or can operate in island, providing UPS services. The system can disconnect from the utility during large events (i.e. faults, voltage collapses), but may also intentionally disconnect when the quality of power from the grid falls below certain standards. CERTS Microgrid concepts were demonstrated at a full-scale test bed built near Columbus, Ohio and operated by American Electric Power. The testing fully confirmed earlier research that had been conducted initially through analytical simulations, then through laboratory emulations, and finally through factory acceptance testing of individual microgrid components. The islanding and resynchronization method met all Institute of Electrical and Electronics Engineers Standard 1547 and power quality requirements. The electrical protection system was able to distinguish between normal and faulted operation. The controls were found to be robust under all conditions, including difficult motor starts and high impedance faults.

  12. ADAPTIVE NETWORK PROTECTION IN MICROGRIDS

    E-Print Network [OSTI]

    Re Oudalova; Antonio Fidigattib

    directional interlock Microgrids comprise low voltage distribution systems with distributed energy re-sources (DER) and controllable loads which can operate connected to the medium voltage grid or islanded in a controlled coordinated way. This concept aims to move from “connect and forget

  13. Microsoft Word - microgrid_for_resilience .docx

    Energy Savers [EERE]

    When grid-connected, microgrids can provide various services, e.g. frequency control support, voltage support, congestion management, reduction of grid losses, and...

  14. Sandia Energy - Energy Surety Microgrid(tm)

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    surety microgrid is a smaller version of the larger electric grid. It can generate and control electrical power output in a self contained, localized area; thus ensuring that...

  15. Microgrid Dispatch for Macrogrid Peak-Demand Mitigation

    E-Print Network [OSTI]

    DeForest, Nicholas

    2013-01-01T23:59:59.000Z

    distributed generation and storage technologies provide SRJ with microgrid functionality, allowing it to operate in island

  16. International Microgrid Assessment: Governance, INcentives, and Experience (IMAGINE)

    E-Print Network [OSTI]

    Marnay, Chris

    2014-01-01T23:59:59.000Z

    microgrid simulator with multiple power generation units including solar PV, diesel, energy storage,

  17. Multiagent coordination in microgrids via wireless networks

    E-Print Network [OSTI]

    Hao Liang; Atef Abdrabou

    The future smart grid is expected to be an integration of intelligent microgrids featured by localized electricity generation, storage, and consumption. Wireless communication is a promising means to facilitate pervasive microgrid monitoring and control at a high flexibility and low deployment cost

  18. Defining control strategies for microgrids islanded operation

    E-Print Network [OSTI]

    J. A. Peças Lopes; Senior Member; C. L. Moreira; A. G. Madureira

    2006-01-01T23:59:59.000Z

    Abstract—This paper describes and evaluates the feasibility of control strategies to be adopted for the operation of a microgrid when it becomes isolated. Normally, the microgrid operates in interconnected mode with the medium voltage network; however, scheduled or forced isolation can take place

  19. 1 Pricing Games among Interconnected Microgrids

    E-Print Network [OSTI]

    Gaurav S. Kasbekar; Saswati Sarkar

    Abstract—We consider a scenario with multiple independent microgrids close to each other in a region that are connected to each other and to the central grid (macrogrid). In each time slot, a given microgrid may produce more than, less than or as much power as it needs, and there is uncertainty on

  20. EIS-0412: TX Energy, LLC, Industrial Gasification Facility Near...

    Broader source: Energy.gov (indexed) [DOE]

    2: TX Energy, LLC, Industrial Gasification Facility Near Beaumont, TX EIS-0412: TX Energy, LLC, Industrial Gasification Facility Near Beaumont, TX February 18, 2009 EIS-0412:...

  1. Microsoft PowerPoint - DOD Microgrid 102513 SHORT.pptx

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Arlington, VA Topics * OE ARRA Smart Grid Program * OE ARRA Smart Grid Progress * Case StudiesSuccess Stories * Life After ARRA Smart Grid DOE OE ARRA Smart Grid...

  2. Sandia Energy - Building a Microgrid

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOE Office of Scienceand RequirementsCoatings Initiated at PNNL's Sequim Bay CoatingsBuilding a Microgrid

  3. Advanced concepts for controlling energy surety microgrids.

    SciTech Connect (OSTI)

    Menicucci, David F.; Ortiz-Moyet, Juan

    2011-05-01T23:59:59.000Z

    Today, researchers, engineers, and policy makers are seeking ways to meet the world's growing demand for energy while addressing critical issues such as energy security, reliability, and sustainability. Many believe that distributed generators operating within a microgrid have the potential to address most of these issues. Sandia National Laboratories has developed a concept called energy surety in which five of these 'surety elements' are simultaneously considered: energy security, reliability, sustainability, safety, and cost-effectiveness. The surety methodology leads to a new microgrid design that we call an energy surety microgrid (ESM). This paper discusses the unique control requirement needed to produce a microgrid system that has high levels of surety, describes the control system from the most fundamental level through a real-world example, and discusses our ideas and concepts for a complete system.

  4. Diploma Thesis Distributed Secondary Control in Microgrids

    E-Print Network [OSTI]

    Bullo, Francesco

    and Droop Control . . . . . . . . . . . . . . . 5 2.2 Notation and Geometric Definitions in AC networks . . . . . . . . . . . . . . . 8 2.5 Droop-Controlled Microgrid of loads and droop-controlled inverters. While the decentralized and proportional primary droop

  5. A Distributed Generation Control Architecture for Islanded AC Microgrids

    E-Print Network [OSTI]

    Dominguez-Garcia, Alejandro

    1 A Distributed Generation Control Architecture for Islanded AC Microgrids Stanton T. Cady, Student architecture for generation control in islanded microgrids, and illustrate the performance Member, IEEE Abstract In this paper, we propose a distributed architecture for generation control

  6. A load shedding scheme for inverter based microgrids

    E-Print Network [OSTI]

    Ojeda, Alejandro P

    2011-01-01T23:59:59.000Z

    Over the last decade, penetration of microgrids containing distributed generation (DG) sources has increased in grid distribution systems. This requires the stable operation of microgrids when connected to the distribution ...

  7. 1 A Centralized Optimal Energy Management System for Microgrids

    E-Print Network [OSTI]

    Daniel E. Olivares; Claudio A. Cañizares; Mehrdad Kazerani; Senior Member

    Abstract — The issue of controlled and reliable integration of distributed energy resources into microgrids and large power grids has recently gained considerable attention. The microgrid concept, which basically corresponds to the coordinated operation of a cluster of loads, distributed generators

  8. Introduction to the model-free control of microgrids

    E-Print Network [OSTI]

    Michel, Loïc

    2011-01-01T23:59:59.000Z

    This letter presents the application of the model-free control approach to the microgrid control. We show in simulation that the method allows to control, with a simple controller, voltage, current and power of inverter-based microgrids.

  9. The environment of deposition of the Dalton Coal (Upper Pennsylvanian), Palo Pinto Co., TX.

    E-Print Network [OSTI]

    Lowenstein, Glenn Robert

    1986-01-01T23:59:59.000Z

    Alkane analysis for coal, overburden and underburden shales, and oil. 56 CHAPTER I INTRODUCTION Previous workers have classified coals by deter- mining whether they are al 1ochthnous (transported) or autochthonous (in situ) accumul ations (Oe...THE ENVIRONMENT OF DEPOSITION OF THE DALTON COAL (UPPER PENNSYI. VANIAN), PALO PINTO CO. , TX. A Thesis by GLENN ROBERT LOWENSTEIN Submitted to the Graduate College of Texas A&M University in partial fulfillment of the requirements for tne...

  10. DOD/NREL Model Integrates Vehicles, Renewables & Microgrid (Fact Sheet)

    SciTech Connect (OSTI)

    Not Available

    2011-02-01T23:59:59.000Z

    Fact sheet on microgrid model created by the Electric Vehicle Grid Integration program at the Fort Carson Army facility.

  11. International Microgrid Assessment: Governance, INcentives, and Experience (IMAGINE)

    E-Print Network [OSTI]

    Marnay, Chris

    2014-01-01T23:59:59.000Z

    Storage • Hydrogen Fuel Cell • Energy Management • VSE SCADA Test at Idaho National Lab • Entire Installation Smart Micro-Grid

  12. Cumulative Federal Payments to OE Recovery Act Recipients, through...

    Broader source: Energy.gov (indexed) [DOE]

    3 Cumulative Federal Payments to OE Recovery Act Recipients, through June 30, 2013 Graph of cumulative Federal Payments to OE Recovery Act Recipients, through June 30, 2013. OE...

  13. Cumulative Federal Payments to OE Recovery Act Recipients, through...

    Broader source: Energy.gov (indexed) [DOE]

    4 Cumulative Federal Payments to OE Recovery Act Recipients, through June 30, 2014 Cumulative Federal Payments to OE Recovery Act Recipients, through June 30, 2014. OE ARRA...

  14. Electric Disturbance Events (OE-417) | Department of Energy

    Energy Savers [EERE]

    Events (OE-417) Electric Disturbance Events (OE-417) The Electric Emergency Incident and Disturbance Report (Form OE-417) collects information on electric incidents and...

  15. http: www. wuli. ac. cn / 38 (2009~OE) 6 Graphene~ -- ... ^

    E-Print Network [OSTI]

    Gao, Hongjun

    Graphene~ --° º ... ^ 3 ÷ ± ... ÷ (--,,oe¿ § " --¿ ¸ø ¡¡~ ^ º ...° Ø ° ¡¡­­' ¡¡ 100190) " ¡¡ " ¡¡ ¡¡ Graphene --´ ~ --° " ,,ª ·" ~ ^ , ¸ " ,,oe...°--´~ ` ` ~ --¿ " ¨¨ ª . ~ ´ OE , Ø `¸ Graphene `¸ ° . ,, ...·° ¡¡ ¡¡ Graphene, `¿ » ¶ß--§ , -- § , ... Physical properties and application of Graphene MAO Jin2Hai¡¡ ¡¡ ZHANG

  16. Understanding the Role of Buildings in a Smart Microgrid

    E-Print Network [OSTI]

    Gupta, Rajesh

    Understanding the Role of Buildings in a Smart Microgrid Yuvraj Agarwal Computer Science of a smart microgrid. In this paper, we examine the significant role that buildings play in energy use buildings can be enhanced and interfaced with the smart microgrid, and demonstrate the benefits

  17. Droop Control for Islanded Microgrids Hemanshu R Pota

    E-Print Network [OSTI]

    Pota, Himanshu Roy

    ]. In this paper a linear model of a two- source microgrid is used to tune controllers for reactive power sharing for power sharing amongst renewable resources in microgrid. II. POWER SHARING WITHOUT CONTROL Analysis. For a microgrid modelled as a collection of ideal voltage sources only the controller and sensor dynamics interact

  18. Selective compensation of voltage harmonics in grid-connected microgrids

    E-Print Network [OSTI]

    Vasquez, Juan Carlos

    1 Selective compensation of voltage harmonics in grid-connected microgrids Mehdi Savaghebia , Juan is proposed for selective compensation of main voltage harmonics in a grid- connected microgrid. The aim level. Keywords Distributed Generator (DG); microgrid; grid-connected; voltage harmonics compensation. 1

  19. Aalborg Universitet Hierarchical Control for Multiple DC Microgrids Clusters

    E-Print Network [OSTI]

    Vasquez, Juan Carlos

    Aalborg Universitet Hierarchical Control for Multiple DC Microgrids Clusters Shafiee, Qobad Control for Multiple DC Microgrids Clusters. I E E E Transactions on Energy Conversion. General rights, J. C. Vasquez, and J. M. Guerrero, "Hierarchical Control for Multiple DC-Microgrids Clusters," IEEE

  20. Title: Experimental Platform for Novel Distributed Microgrids Control Solutions

    E-Print Network [OSTI]

    Johnson, Eric E.

    Title: Experimental Platform for Novel Distributed Microgrids Control Solutions Principal Investigator: Wenxin Liu Sponsor: U.S. Department of Defense Office of Naval Research Summary: Microgrid can, and can operate autonomously without connecting to power grid. The microgrid concept is a big step toward

  1. TOWARDS REAL-TIME GENERATION SCHEDULING IN MICROGRIDS WITH

    E-Print Network [OSTI]

    Zhang, Junshan

    TOWARDS REAL-TIME GENERATION SCHEDULING IN MICROGRIDS WITH PERFORMANCE GUARANTEE LIAN LU, JINLONG TU, CHI-KIN CHAU, MINGHUA CHEN, ZHAO XU AND XIAOJUN LIN INTRODUCTION Microgrid is an emerging- generation improves generation efficiency by 2-3x. A key problem in microgrid operations is how to schedule

  2. Hierarchical Control Scheme for Voltage Unbalance Compensation in Islanded Microgrids

    E-Print Network [OSTI]

    Vasquez, Juan Carlos

    Hierarchical Control Scheme for Voltage Unbalance Compensation in Islanded Microgrids Mehdi@et.aau.dk Abstract-- The concept of microgrid hierarchical control is presented, recently. In this paper, a hierarchical scheme which includes primary and secondary control levels is proposed for islanded microgrids

  3. Modular Power Architectures for Microgrid Clusters Invited Paper

    E-Print Network [OSTI]

    Vasquez, Juan Carlos

    Modular Power Architectures for Microgrid Clusters ­ Invited Paper ­ Hengwei Lin1 , Chengxi Liu1 distributed generation (DG) units, loads and energy storage systems [1]. However, although nowadays microgrid between microgrid and the conventional main power grid is also not clearly standardized. In fact

  4. Breaking the Hierarchy: Distributed Control & Economic Optimality in Microgrids

    E-Print Network [OSTI]

    Bullo, Francesco

    genera- tion and energy storage systems, the concept of a microgrid has recently gained popularity [2 generation, storage, load, and managed au- tonomously from the larger transmission network. Microgrids independently. Distributed energy sources in a microgrid generate either DC or variable frequency AC power

  5. Phase Locked Loop Control of Inverters in a Microgrid

    E-Print Network [OSTI]

    Hiskens, Ian A.

    an inverter to interface with the microgrid [4], [5], [6]. Such sources include photovoltaic panels, fuel reliability through their ability to island. Islanding means that the microgrid continues to operate autonomously when disconnected from the grid. Islanding provides microgrid customers with greater reliability

  6. Abstract--Increasing concerns about energy security and reliability are intensifying the interest in microgrid and vehicle-

    E-Print Network [OSTI]

    Hiskens, Ian A.

    , frequency, and voltage control algorithms for the inverters that connect microsources to the microgrid of PEVs on the microgrid at different penetration levels and for different control parameters on microgrid performance. Index Terms--Electric vehicles; frequency control; microgrid; vehicle

  7. DECENTRALIZED CONTROL ARCHITECTURE FOR COUPLING MICROGRIDS INTO DISTRIBUTION NETWORKS 1 Task 1: Coupling Low-Voltage Microgrids into

    E-Print Network [OSTI]

    Lemmon, Michael

    DECENTRALIZED CONTROL ARCHITECTURE FOR COUPLING MICROGRIDS INTO DISTRIBUTION NETWORKS 1 Task 1: Coupling Low-Voltage Microgrids into Mid-Voltage Distribution Systems Zhao Wang, Student Member, IEEE-voltage (LV) microgrids. At the same time, reactive power is dispatched coordinatively so that voltage

  8. OE Power Systems Engineering Research & Development Program Partnershi...

    Office of Environmental Management (EM)

    Mission Power Systems Engineering Research and Development OE Power Systems Engineering Research & Development Program Partnerships OE Power Systems Engineering Research &...

  9. A Framework for the Evaluation of the Cost and Benefits of Microgrids

    E-Print Network [OSTI]

    Morris, Greg Young

    2012-01-01T23:59:59.000Z

    Distributed Generation (DG) used in the Microgrid, the end-use Microgrid Customers (MGCs), the Distribution Network Operator (DNO), and possibly the generation utilities

  10. 1 Validation of the CERTS Microgrid Concept

    E-Print Network [OSTI]

    Microgrid Testbed; David K. Nichols; John Stevens; Robert H. Lasseter; Joseph H. Eto; Harry T. Vollkommer; Islanding Microgrid Microturbine

    Abstract—The development of test plans to validate the CERTS Microgrid concept is discussed, including the status of a testbed. Increased application of Distributed Energy Resources on the Distribution system has the potential to improve performance, lower operational costs and create value

  11. GE Partners on Microgrid Project | GE Global Research

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    and Academia Partner on Microgrid Project GE Awarded a 1.2M Department of Energy Grant to Design Technology to Keep Electricity Flowing after Catastrophic Weather Events...

  12. Energy Department Launches Microgrid Competition to Support Resiliency...

    Broader source: Energy.gov (indexed) [DOE]

    system." The Microgrid 2014 MVP Challenge builds on efforts by the Sandy Rebuilding Task Force to harness innovation in energy infrastructure and help communities become more...

  13. Microgrid V2G Charging Station Interconnection Testing (Presentation)

    SciTech Connect (OSTI)

    Simpson, M.

    2013-07-01T23:59:59.000Z

    This presentation by Mike Simpson of the National Renewable Energy Laboratory (NREL) describes NREL's microgrid vehicle-to-grid charging station interconnection testing.

  14. Distributed Generation Investment by a Microgrid Under Uncertainty

    E-Print Network [OSTI]

    Siddiqui, Afzal; Marnay, Chris

    2006-01-01T23:59:59.000Z

    utility. Using the real options approach, we find naturalDistributed Generation; Real Options; Optimal Investment. 1.based microgrid via the real options approach to determine

  15. Reliability of islanded microgrids with stochastic generation and prioritized load

    E-Print Network [OSTI]

    Marden, Mirjana Milosevic

    The potential to improve distribution system reliability is a primary motivation behind the development and deployment of microgrids. Previous studies have illustrated substantial reliability benefits of dispatchable ...

  16. International Microgrid Assessment: Governance, INcentives, and Experience (IMAGINE)

    E-Print Network [OSTI]

    Marnay, Chris

    2014-01-01T23:59:59.000Z

    economic feasibility of potential renewable energy, energyrenewable energy, identifies the barriers to microgrid development and suggests potentialpotential to increase reliability, energy efficiency, and use of renewable

  17. Mitigation of Voltage and Current Harmonics in Grid-Connected Microgrids

    E-Print Network [OSTI]

    Vasquez, Juan Carlos

    Mitigation of Voltage and Current Harmonics in Grid-Connected Microgrids Mehdi Savaghebi1 , Josep M-connected microgrids. Two modes of compensation are considered, i.e. voltage and current compensation modes-electronic interface converter to the utility grid or microgrid. Microgrid is a local grid consisting of DGs, energy

  18. Department of Mechanical Engineering Presents: "Towards Optimal Investment, Planning and Control of Microgrids"

    E-Print Network [OSTI]

    Keaveny, Tony

    on the optimal investment, planning, and control of distributed micro-grids. A micro-grid is characterized by its generation sources (renewables and non-renewables), storage capacity, internal demand and sell back to grid of microgrids quite challenging problems. From the power grid point of view, microgrids are resource nodes

  19. CERTS Microgrid Laboratory Test Bed - PIER Final Project Report

    SciTech Connect (OSTI)

    Eto, Joseph H.; Eto, Joseph H.; Lasseter, Robert; Schenkman, Ben; Klapp, Dave; Linton, Ed; Hurtado, Hector; Roy, Jean; Lewis, Nancy Jo; Stevens, John; Volkommer, Harry

    2008-07-25T23:59:59.000Z

    The objective of the CERTS Microgrid Laboratory Test Bed project was to enhance the ease of integrating small energy sources into a microgrid. The project accomplished this objective by developing and demonstrating three advanced techniques, collectively referred to as the CERTS Microgrid concept, that significantly reduce the level of custom field engineering needed to operate microgrids consisting of small generating sources. The techniques comprising the CERTS Microgrid concept are: 1) a method for effecting automatic and seamless transitions between grid-connected and islanded modes of operation; 2) an approach to electrical protection within the microgrid that does not depend on high fault currents; and 3) a method for microgrid control that achieves voltage and frequency stability under islanded conditions without requiring high-speed communications. The techniques were demonstrated at a full-scale test bed built near Columbus, Ohio and operated by American Electric Power. The testing fully confirmed earlier research that had been conducted initially through analytical simulations, then through laboratory emulations, and finally through factory acceptance testing of individual microgrid components. The islanding and resychronization method met all Institute of Electrical and Electronics Engineers 1547 and power quality requirements. The electrical protections system was able to distinguish between normal and faulted operation. The controls were found to be robust and under all conditions, including difficult motor starts. The results from these test are expected to lead to additional testing of enhancements to the basic techniques at the test bed to improve the business case for microgrid technologies, as well to field demonstrations involving microgrids that involve one or mroe of the CERTS Microgrid concepts.

  20. M ap Info ... SQL Server " , ,,oe , , ,

    E-Print Network [OSTI]

    Li, Xiang

    M ap Info ¿...°·¨º SQL Server °¿" » , ,,oe , , ´ , ´· (~'·§ G IS º£,--^--¿¸ø , ~' 210093^ Delphi °`¸ M ap Info ¿...° SQL Server °¿~¨«,,--··¢¡£ ,,...·° : G IS; ¿...° ; ,,--°¿ ; ¨«,,··¢ ;M ap Info; SQL Server --...·"¯ : P208¡¡¡¡ ~­OE°¶´º : A ¡¡¡¡ ~´­"¯ : 1000- 3177(2001) 61- 0026- 0030 1¡¡¡¡ --¯¢ (G

  1. Status of Overseas Microgrid Programs:Microgrid Research Activities in the U.S.

    SciTech Connect (OSTI)

    Marnay, Chris; Marnay, Chris; Zhou, Nan

    2008-02-01T23:59:59.000Z

    Research on microgrids in the U.S. has taken a somewhat different path than parallel efforts in Japan and Europe, and this distinction is often noted in international research forums. In general, reliability and power quality in North America is poor compared to other developed countries. For example, in the U.S., the average annual expected outage duration is a few hours, whereas in Japan, it is only a few minutes. Power quality problems in the U.S. are both large scale, such as the August 2003 blackout, and local, such as damaging voltage sags. Meeting the increasingly demanding requirements of a modern digital economy would then seem to offer a more daunting challenge for the U.S. than elsewhere, and certainly, concern that the existing power delivery system will prove inadequate for future gourmet requirements has been a motivating driver of U.S. research. This objective tends to translate into a desire for microgrids to seamlessly island when grid power is interrupted or its quality is inadequate, and to (also seamlessly) reconnect when normal service has been restored. In a sense, the microgrid is perceived as acting as an uninterruptible power supply (UPS), and sometimes even as a competitor to existing UPS options. Nonetheless, this difference is often over-stated, and the other threads that motivate microgrid research also exist in the U.S., e.g. the desire to expand renewable generation and the need to increase the efficiency of fossil-fired generation by the useful local application of waste heat in combined heat and power (CHP) systems, Further, over time, the differences are blurring as concerns about climate change increasingly dominate objectives worldwide. This article describes the CERTS Microgrid, which is almost certainly the best known U.S. example, and also briefly mentions some other U.S. microgrid research.

  2. Distributed Generation Investment by a Microgrid under Uncertainty++++ Afzal Siddiqui

    E-Print Network [OSTI]

    Guillas, Serge

    , CA 94720-8163, USA, c_marnay@lbl.gov ABSTRACT. This paper examines a California-based microgrid-term natural gas generation cost is stochastic, we initially assume that the microgrid may purchase electricity is not attractive. By allowing the electricity price to be stochastic, we next determine an investment threshold

  3. Power Quality Improvement in Microgrid Using Advanced Active Power Conditioner

    E-Print Network [OSTI]

    unknown authors

    Abstract:- Wind energy conversion systems are now occupying important space in the research of renewable energy sources with microgrid. The main challenge in wind power generation is power quality problem and their connection with the distribution network in microgrid. The main factor behind poor

  4. Renewable Energy Microgrid Testbed at NASA Ames Research

    E-Print Network [OSTI]

    Lee, Herbie

    Renewable Energy Microgrid Testbed at NASA Ames Research Center Joel Kubby, Dan O'Leary, Zachary #12;Goals · Set-up a unique microgrid test-bed for renewable energy generation, monitoring and storage · Use the facility for testing systems integration, optimization and control of new renewable energy

  5. Integration of Distributed Energy The CERTS MicroGrid Concept

    E-Print Network [OSTI]

    Resources The MicroGrid Concept Appendices Prepared for Transmission Reliability Program Office of PowerIntegration of Distributed Energy Resources The CERTS MicroGrid Concept CALIFORNIA ENERGY;Preface The U.S. Electricity Grid Today The U.S. electric power system is in the midst of a fundamental

  6. Continuously Optimized Reliable Energy (CORE) Microgrid: Models & Tools (Fact Sheet)

    SciTech Connect (OSTI)

    Not Available

    2013-07-01T23:59:59.000Z

    This brochure describes Continuously Optimized Reliable Energy (CORE), a trademarked process NREL employs to produce conceptual microgrid designs. This systems-based process enables designs to be optimized for economic value, energy surety, and sustainability. Capabilities NREL offers in support of microgrid design are explained.

  7. Power flow analysis for DC voltage droop controlled DC microgrids

    E-Print Network [OSTI]

    Chaudhary, Sanjay

    loss, such as photovoltaic panels, batteries, fuel cells, LEDs, and electronic loads, DC microgrids sharing and secondary voltage regulation can now be analytically studied, and specialized optimization of the DC microgrid, in term of systematic analysis, protection coordination design, network optimization

  8. SMART FUEL CELL OPERATED RESIDENTIAL MICRO-GRID COMMUNITY

    SciTech Connect (OSTI)

    Dr. Mohammad S. Alam (PI/PD)

    2005-04-13T23:59:59.000Z

    To build on the work of year one by expanding the smart control algorithm developed to a micro-grid of ten houses; to perform a cost analysis; to evaluate alternate energy sources; to study system reliability; to develop the energy management algorithm, and to perform micro-grid software and hardware simulations.

  9. Technical Report for "Hybrid Renewable Energy Investment in Microgrid"

    E-Print Network [OSTI]

    Huang, Jianwei

    side management, and decen- tralized operations of power grid in the form of microgrids [1]. It and demand in the microgrid to minimize the social operational cost. We design a decentralized algorithm observatory, we numerically demonstrate that the demand response saves 18% of the capital investment

  10. Microgrids and Heterogeneous Power Quality and Reliability

    SciTech Connect (OSTI)

    LaCommare, Kristina; Marnay, Chris

    2007-10-01T23:59:59.000Z

    This paper describes two stylized alternative visions of how the power system might evolve to meet future requirements for the high quality electricity service that modern digital economies demand, a supergrids paradigm and a dispersed paradigm. Some of the economics of the dispersed vision are explored, and perspectives are presented on both the choice of homogeneous universal power quality upstream in the electricity supply chain and on the extremely heterogeneous requirements of end-use loads. It is argued that meeting the demanding requirements of sensitive loads by local provision of high quality power may be more cost effective than increasing the quality of universal homogeneous supply upstream in the legacy grid. Finally, the potential role of microgrids in delivering heterogeneous power quality is demonstrated by reference to two ongoing microgrid tests in the U.S. and Japan.

  11. Supporting Statement: OE Recovery Act Financial Assistance Grants...

    Energy Savers [EERE]

    Supporting Statement: OE Recovery Act Financial Assistance Grants OMB Control Number 1910-5149 Supporting Statement: OE Recovery Act Financial Assistance Grants OMB Control Number...

  12. Cumulative Federal Payments to OE Recovery Act Recipients, through...

    Broader source: Energy.gov (indexed) [DOE]

    September 30, 2014 Cumulative Federal Payments to OE Recovery Act Recipients, through September 30, 2014 Cumulative Federal Payments to OE Recovery Act Recipients, through...

  13. April 7 Webinar on OE's Resilient Electricity Delivery Infrastructure...

    Energy Savers [EERE]

    April 7 Webinar on OE's Resilient Electricity Delivery Infrastructure Initiative FOA April 7 Webinar on OE's Resilient Electricity Delivery Infrastructure Initiative FOA March 23,...

  14. OE State and Regional Electricity Policy Assistance Program ...

    Energy Savers [EERE]

    OE State and Regional Electricity Policy Assistance Program OE State and Regional Electricity Policy Assistance Program The Office of Electricity Delivery and Energy Reliability...

  15. Application for Presidential Permit OE Docket No. PP-362 Champlain...

    Energy Savers [EERE]

    Presidential Permit OE Docket No. PP-362 Champlain Hudson Power Express, Inc. Application for Presidential Permit OE Docket No. PP-362 Champlain Hudson Power Express, Inc....

  16. US WSC TX Site Consumption

    U.S. Energy Information Administration (EIA) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov YouKizildere IRaghuraji Agro IndustriesTownDells,1Stocks Nov-14TotalThe Outlook269,023Year69,023USWNC MO SiteWSC TX

  17. LADY BIRD JOHNSON MIDDLE SCHOOL IRVING, TX

    E-Print Network [OSTI]

    #12;#12;#12;LADY BIRD JOHNSON MIDDLE SCHOOL IRVING, TX 2012 CAUDILL AWARD WINNER The 1st NET ZERO public school in Texas The 1st NET ZERO middle school in the United States The LARGEST NET ZERO school displays building performance and NET ZERO efficiency. #12;LADY BIRD JOHNSON MIDDLE SCHOOL IRVING, TX

  18. IE 361 Exam Keys/ Fall 2000 B oe C oe C ,s

    E-Print Network [OSTI]

    Vardeman, Stephen B.

    "*%* oe &�"$. So . 4. This is a chart problem with a standard rate jams/second. For the first? oe �?s �!""" %(% � �!""" $ · !��!""" %(% ). 5. This computer control is NOT SPC/statistical process it's not even driven by a feedback mechanism.) SPC intends to watch/monitor a process looking

  19. Secondary Control for Voltage Unbalance Compensation in an Islanded Microgrid

    E-Print Network [OSTI]

    Vasquez, Juan Carlos

    coupling (PCC). Unbalance compensation is achieved by proper control of distributed generators (DGs unbalance. Keywords-distributed generation; microgrid; secondary control; voltage unbalance compensation I. INTRODUCTION Distributed Generators (DGs) may be connected individually to the utility grid or be integrated

  20. Distributed Generation Investment by a Microgrid under Uncertainty

    SciTech Connect (OSTI)

    Marnay, Chris; Siddiqui, Afzal; Marnay, Chris

    2008-08-11T23:59:59.000Z

    This paper examines a California-based microgrid?s decision to invest in a distributed generation (DG) unit fuelled by natural gas. While the long-term natural gas generation cost is stochastic, we initially assume that the microgrid may purchase electricity at a fixed retail rate from its utility. Using the real options approach, we find a natural gas generation cost threshold that triggers DG investment. Furthermore, the consideration of operational flexibility by the microgrid increases DG investment, while the option to disconnect from the utility is not attractive. By allowing the electricity price to be stochastic, we next determine an investment threshold boundary and find that high electricity price volatility relative to that of natural gas generation cost delays investment while simultaneously increasing the value of the investment. We conclude by using this result to find the implicit option value of the DG unit when two sources of uncertainty exist.

  1. Adaptive load control of microgrids with non-dispatchable generation

    E-Print Network [OSTI]

    Brokish, Kevin Martin

    2009-01-01T23:59:59.000Z

    Intelligent appliances have a great potential to provide energy storage and load shedding for power grids. Microgrids are simulated with high levels of wind energy penetration. Frequency-adaptive intelligent appliances are ...

  2. Hardware simulation of diesel generator and microgrid stability

    E-Print Network [OSTI]

    Zieve, Michael M

    2012-01-01T23:59:59.000Z

    Over the last few years, people have begun to depend less on large power plants with extensive distribution systems, and more on local distributed generation sources. A microgrid, a local collection of distributed generators, ...

  3. Design and implementation of a microgrid-capable solar inverter

    E-Print Network [OSTI]

    Darcey, Gavin M

    2013-01-01T23:59:59.000Z

    The notion of a practical microgrid -- a small, interconnected system of generators and loads that operates both synchronously with a larger, centralized grid and isolated from the grid, autonomously -- has grown popular ...

  4. Modeling Microgrid Islanding Problems as DCOPs Saurabh Gupta, William Yeoh, Enrico Pontelli

    E-Print Network [OSTI]

    Yeoh, William

    , we formulate the microgrid islanding problem as distributed constraint optimization problem (DCOP. Index Terms--Microgrid, Islanding, Distributed Constraint Optimization. I. INTRODUCTION Every year residential and commercial facilities with controllable loads and distributed generation sources; loads

  5. On-chip COMA Cache-coherence protocol for Microgrids of Microthreaded Cores

    E-Print Network [OSTI]

    Jesshope, Chris

    On-chip COMA Cache-coherence protocol for Microgrids of Microthreaded Cores Li Zhang Chris Jesshope and the development of a co-simulator to the Microgrid CMP emulator. 1 Introduction It is now widely accepted

  6. Multi-Building Microgrids for a Distributed Energy Future in Portugal

    E-Print Network [OSTI]

    Mendes, Goncalo

    2013-01-01T23:59:59.000Z

    field for entrance of ESCO businesses in the microgridfield for entrance of ESCO businesses in the microgrid

  7. Voltage and frequency control of islanded microgrids: a plug-and-play approach

    E-Print Network [OSTI]

    Ferrari-Trecate, Giancarlo

    by microgrids that normally operate in grid-connected mode and that can be switched off- grid for guaranteeing

  8. Control and Protection of Power Electronics Interfaced Distri-buted Generation Systems in a Customer-Driven Microgrid

    E-Print Network [OSTI]

    Tolbert, Leon M.

    in a Customer-Driven Microgrid Fang Z. Peng, Yun Wei Li and Leon M. Tolbert Abstract ­ This paper discusses-driven microgrid (CDM). Particularly, the following topics will be addressed: microgrid system configurations); renewable energy source (RES); micro-source; microgrid; customer-driven micro- grid (CDM), power electronics

  9. Secondary Voltage Unbalance Compensation for Three-Phase Four-Wire Islanded Microgrids

    E-Print Network [OSTI]

    Vasquez, Juan Carlos

    as a cluster of distributed resources (DRs), i.e. distributed generation (DG), distributed storage (DSSecondary Voltage Unbalance Compensation for Three-Phase Four-Wire Islanded Microgrids Fen Tang four-wire islanded microgrid systems. It is implemented in the secondary control level of the microgrid

  10. CARNEGIE MELLON UNIVERSITY Electric Power Micro-grids: Opportunities and Challenges

    E-Print Network [OSTI]

    CARNEGIE MELLON UNIVERSITY Electric Power Micro-grids: Opportunities and Challenges for an Emerging;Electric Power Micro-grids: Barriers and opportunities for an emerging distributed energy architecture ii, such as engines and micro-turbines. #12;Electric Power Micro-grids: Barriers and opportunities for an emerging

  11. Self-triggered Communication Enabled Control of Distributed Generation in Microgrids

    E-Print Network [OSTI]

    Mazumder, Sudip K.

    1 Self-triggered Communication Enabled Control of Distributed Generation in Microgrids Muhammad. I. INTRODUCTION Effective integration of multiple distributed generation (DG) units in microgrids. Conventionally the secondary control in a microgrid is based on a centralized control structure using periodic

  12. Model Order Reductions for Stability Analysis of Islanded Microgrids with Droop Control

    E-Print Network [OSTI]

    Vasquez, Juan Carlos

    the validity of the proposed models. Index Terms--Droop control, microgrids, power systems stability, power systems modeling. I. INTRODUCTION Microgrids consist of interconnected distributed storages and energy1 Model Order Reductions for Stability Analysis of Islanded Microgrids with Droop Control V

  13. TX-100 manufacturing final project report.

    SciTech Connect (OSTI)

    Ashwill, Thomas D.; Berry, Derek S. (TPI Composites, Inc., Warren, RI)

    2007-11-01T23:59:59.000Z

    This report details the work completed under the TX-100 blade manufacturing portion of the Carbon-Hybrid Blade Developments: Standard and Twist-Coupled Prototype project. The TX-100 blade is a 9 meter prototype blade designed with bend-twist coupling to augment the mitigation of peak loads during normal turbine operation. This structural coupling was achieved by locating off axis carbon fiber in the outboard portion of the blade skins. The report will present the tooling selection, blade production, blade instrumentation, blade shipping and adapter plate design and fabrication. The baseline blade used for this project was the ERS-100 (Revision D) wind turbine blade. The molds used for the production of the TX-100 were originally built for the production of the CX-100 blade. The same high pressure and low pressure skin molds were used to manufacture the TX-100 skins. In order to compensate for the difference in skin thickness between the CX-100 and the TX-100, however, a new TX-100 shear web plug and mold were required. Both the blade assembly fixture and the root stud insertion fixture used for the CX-100 blades could be utilized for the TX-100 blades. A production run of seven TX-100 prototype blades was undertaken at TPI Composites during the month of October, 2004. Of those seven blades, four were instrumented with strain gauges before final assembly. After production at the TPI Composites facility in Rhode Island, the blades were shipped to various test sites: two blades to the National Wind Technology Center at the National Renewable Energy Laboratory in Boulder, Colorado, two blades to Sandia National Laboratory in Albuquerque, New Mexico and three blades to the United States Department of Agriculture turbine field test facility in Bushland, Texas. An adapter plate was designed to allow the TX-100 blades to be installed on existing Micon 65/13M turbines at the USDA site. The conclusion of this program is the kick-off of the TX-100 blade testing at the three testing facilities.

  14. Application for Presidential Permit OE Docket No. PP-334 Energia...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Presidential Permit OE Docket No. PP-334 Energia Juarez U.S. Transmission, LLC,: Record of Decision Application for Presidential Permit OE Docket No. PP-334 Energia Juarez U.S....

  15. Application for presidential permit OE Docket No. PP-334 Baja...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    presidential permit OE Docket No. PP-334 Baja Wind U.S Transmission LLC: Federal Register Notice Volume 73, No. 36 - Feb. 22, 2008 Application for presidential permit OE Docket No....

  16. Distributed Generation Investment by a Microgrid UnderUncertainty

    SciTech Connect (OSTI)

    Siddiqui, Afzal; Marnay, Chris

    2006-06-16T23:59:59.000Z

    This paper examines a California-based microgrid s decision to invest in a distributed generation (DG) unit that operates on natural gas. While the long-term natural gas generation cost is stochastic, we initially assume that the microgrid may purchase electricity at a fixed retail rate from its utility. Using the real options approach, we find natural gas generating cost thresholds that trigger DG investment. Furthermore, the consideration of operational flexibility by the microgrid accelerates DG investment, while the option to disconnect entirely from the utility is not attractive. By allowing the electricity price to be stochastic, we next determine an investment threshold boundary and find that high electricity price volatility relative to that of natural gas generating cost delays investment while simultaneously increasing the value of the investment. We conclude by using this result to find the implicit option value of the DG unit.

  17. Microgrids and Heterogeneous Security, Quality, Reliability, andAvailability

    SciTech Connect (OSTI)

    Marnay, Chris

    2007-01-31T23:59:59.000Z

    This paper describes two stylized alternative visions inpopular currencyof how the power system might evolve to meet futurerequirements for the high quality electricity service that modern digitaleconomies demand, a supergrids paradigm and a dispersed paradigm. Some ofthe economics of the dispersed vision are explored. Economic perspectivesare presented on both the choice of homogeneous universal power qualityupstream in the electricity supply, and also on the extremelyheterogeneous require-ments of end-use loads. Finally, the potential roleof microgrids in delivering heterogeneous power quality is demonstratedby reference to two ongoing microgrid tests in the U.S. andJapan.

  18. Microgrid Workshop Report August 2011 | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels DataDepartment of Energy Your Density Isn't YourTransport(FactDepartment3311, 3312),Microgrid Workshop Report August 2011 Microgrid Workshop

  19. MICROGRIDS -The Exploitation of Massive On-chip Concurrency

    E-Print Network [OSTI]

    Jesshope, Chris

    MICROGRIDS - The Exploitation of Massive On-chip Concurrency C. R. Jesshope Department of Computer not yield concurrency unless existing code is recompiled using the concurrency controls introduced be explicitly programmed and is at a relatively coarse grain. An ideal architecture would provide this same

  20. Randomized Auction Design for Electricity Markets between Grids and Microgrids

    E-Print Network [OSTI]

    Li, Zongpeng

    Randomized Auction Design for Electricity Markets between Grids and Microgrids Linquan Zhang Dept@cs.hku.hk ABSTRACT This work studies electricity markets between power grids and mi- crogrids, an emerging paradigm Problem; Mechanism Design; Approximation Algorithms 1. INTRODUCTION An electrical power grid

  1. Sharing Renewable Energy in Smart Microgrids , Zhichuan Huang

    E-Print Network [OSTI]

    Shenoy, Prashant

    Sharing Renewable Energy in Smart Microgrids Ting Zhu , Zhichuan Huang , Ankur Sharma , Jikui Su § Department of Computer Science, University of Massachusetts Amherst ABSTRACT Renewable energy harvested from the environment is an at- tractive option for providing green energy to homes. Unfor- tunately, the intermittent

  2. Understanding the Role of Buildings in a Smart Microgrid

    E-Print Network [OSTI]

    Yuvraj Agarwal; Thomas Weng; Rajesh K. Gupta

    Abstract—A ‘smart microgrid ’ refers to a distribution network for electrical energy, starting from electricity generation to its transmission and storage with the ability to respond to dynamic changes in energy supply through co-generation and demand adjustments. At the scale of a small town, a

  3. Microgrids, virtual power plants and our distributed energy future

    SciTech Connect (OSTI)

    Asmus, Peter

    2010-12-15T23:59:59.000Z

    Opportunities for VPPs and microgrids will only increase dramatically with time, as the traditional system of building larger and larger centralized and polluting power plants by utilities charging a regulated rate of return fades. The key questions are: how soon will these new business models thrive - and who will be in the driver's seat? (author)

  4. Electric Grid State Estimators for Distribution Systems with Microgrids

    E-Print Network [OSTI]

    Gupta, Vijay

    46556 Emails: {jhuang6,vgupta2,huang}@nd.edu Abstract--In the development of smart grid, state] into the distribution systems of the power grid. Such integration complicates the operation of distribution systemsElectric Grid State Estimators for Distribution Systems with Microgrids Jing Huang, Vijay Gupta

  5. Hybrid Renewable Energy Investment in Microgrid Hao Wang, Jianwei Huang

    E-Print Network [OSTI]

    Huang, Jianwei

    between the utility company and consumers for a better demand side management, and decen- tralized. In the second period, the operator coordinates the power supply and demand in the microgrid to minimize that the demand response saves 18% of the capital investment, and hybrid renewable energy investment reduces

  6. New modeling and control solutions for integrated microgrid system with respect to thermodynamics properties of generation and demand

    E-Print Network [OSTI]

    Liu, Fang-Yu, S.M. Massachusetts Institute of Technology

    2014-01-01T23:59:59.000Z

    This thesis investigates microgrid control stability with respect to thermodynamics behaviors of generation and demand. First, a new integrated microgrid model is introduced. This model consists of a combined cycle power ...

  7. Value and Technology Assessment to Enhance the Business Case for the CERTS Microgrid

    SciTech Connect (OSTI)

    Lasseter, Robert; Eto, Joe

    2010-05-15T23:59:59.000Z

    The CERTS Microgrid concept is an advanced approach for enabling integration of, in principle, an unlimited quantity of distributed energy resources into the electricity grid. A key feature of a microgrid, is its ability, during a utility grid disturbance, to separate and isolate itself from the utility seamlessly with no disruption to the loads within the microgrid (including no reduction in power quality). Then, when the utility grid returns to normal, the microgrid automatically resynchronizes and reconnects itself to the grid, in an equally seamless fashion. What is unique about the CERTS Microgrid is that it can provide this technically challenging functionality without extensive (i.e., expensive) custom engineering. In addition, the design of the CERTS Microgrid also provides high system reliability and great flexibility in the placement of distributed generation within the microgrid. The CERTS Microgrid offers these functionalities at much lower costs than traditional approaches by incorporating peer-to-peer and plug-and-play concepts for each component within the Microgrid. The predecessor to the current project involved the construction of and completion of initial testing using the world's first, full-scale, inverter-based, distributed generation test bed. The project demonstrated three advanced techniques, collectively referred to as the CERTS Microgrid concept, which collectively significantly reduce the level of custom field engineering needed to operate microgrids consisting of small generating sources. The techniques are: (1) a method for effecting automatic and seamless transitions between grid-connected and islanded modes of operation; (2) an approach to electrical protection within the microgrid that does not depend on high fault currents; and (3) a method for microgrid control that achieves voltage and frequency stability under both grid and islanded conditions without requiring high-speed communications. The work conducted in this phase of RD&D on the CERTS Microgrid Concept builds upon this base of technical accomplishments to prioritize, develop, and then demonstrate technology enhancements to further enhance the business case for microgrids. That is, having demonstrated the technical feasibility of microgrid functions, RD&D optimization efforts are now needed to accelerate commercial deployment. The current phase is a contribution to these efforts. This project involved seven distinct analysis, bench-, and full-scale testing tasks. The first five tasks were described in the original proposal submitted and awarded through DOE's solicitation. Two additional tasks were added to address issues that had been identified in the earlier, first phase of testing.

  8. Novel Approach for Calculation and Analysis of Eigenvalues and Eigenvectors in Microgrids: Preprint

    SciTech Connect (OSTI)

    Li, Y.; Gao, W.; Muljadi, E.; Jiang, J.

    2014-02-01T23:59:59.000Z

    This paper proposes a novel approach based on matrix perturbation theory to calculate and analyze eigenvalues and eigenvectors in a microgrid system. Rigorous theoretical analysis to solve eigenvalues and the corresponding eigenvectors for a system under various perturbations caused by fluctuations of irradiance, wind speed, or loads is presented. A computational flowchart is proposed for the unified solution of eigenvalues and eigenvectors in microgrids, and the effectiveness of the matrix perturbation-based approach in microgrids is verified by numerical examples on a typical low-voltage microgrid network.

  9. Wireless Communication for Controlling Microgrids: Co-simulation and Performance Evaluation

    SciTech Connect (OSTI)

    Mao, Rukun [ORNL] [ORNL; Xu, Yan [ORNL] [ORNL; Li, Huijuan [ORNL] [ORNL; Li, Husheng [ORNL] [ORNL

    2013-01-01T23:59:59.000Z

    A microgrid with wireless communication links for microgrid control has been designed and developed. The complete simulation model has been developed in MatLab SimuLink with seamless integration of the power subsystem and the communication subsystem. Unlike the conventional co-simulators that usually glue two existing simulators together by creating an interface, which has a steep learning curve, the proposed simulator is a compact single-unit model. Detailed modeling of the power subsystem and communication system is presented as well as the microgrid control architecture and strategies. The impact of different communication system performances on microgrid control has been studied and evaluated in the proposed simulator.

  10. Value and Technology Assessment to Enhance the Business Case for the CERTS Microgrid

    E-Print Network [OSTI]

    Lasseter, Robert

    2010-01-01T23:59:59.000Z

    Genset Reliability The genset equipment is consideredAssessments of reliability for the generating equipment asreliability considerations, into its optimization of microgrid equipment

  11. Microsoft Word - OE SENR cybersecurity hearing May 5 2011 final...

    Broader source: Energy.gov (indexed) [DOE]

    alone. In 2006, OE facilitated the development of the Roadmap to Secure Control Systems in the Energy Sector to provide a detailed collaborative plan for improving cyber...

  12. Application to Amend Presidential Permit OE Docket No. PP-022...

    Energy Savers [EERE]

    to construct, operate and maintain electric transmission facilities at the U.S. - Canada Border: Federal Register Notice Application to Amend Presidential Permit OE Docket No....

  13. OE Updates Organizational Structure to Operate More Strategically...

    Office of Environmental Management (EM)

    Updates Organizational Structure to Operate More Strategically and Efficiently OE Updates Organizational Structure to Operate More Strategically and Efficiently January 28, 2013 -...

  14. Application for Presidential Permit OE Docket No. PP-371 Northern...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Vickie Bedard Application for Presidential Permit OE Docket No. PP-371 Northern Pass: Comments from Vickie Bedard Application from Northern Pass to construct, operate and maintain...

  15. Application for Presidential Permit OE Docket No. PP-371 Northern...

    Office of Environmental Management (EM)

    Larry Rappaport Application for Presidential Permit OE Docket No. PP-371 Northern Pass Transmission: Comments from Larry Rappaport Application from Northern Pass Transmission to...

  16. Application for Presidential Permit OE Docket No. PP-229 Tucson...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Company Application for Presidential Permit OE Docket No. PP-229 Tucson Electric Power Company Application from Tucson Electric Power Company to construct, operate and maintain...

  17. Application for Presidential Permit OE Docket No. PP-371 Northern...

    Broader source: Energy.gov (indexed) [DOE]

    Border. Opinion of Counsel - 20140609.pdf More Documents & Publications Application for Presidential Permit OE Docket No. PP-371 Northern Pass Transmission: Comments from Pamela...

  18. Application for Presidential Permit OE Docket No. PP-371 Northern...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Erick Berglund, Jr. Application for Presidential Permit OE Docket No. PP-371 Northern Pass: Comments from Erick Berglund, Jr. Application from Northern Pass to construct, operate...

  19. Application for Presidential Permit OE Docket No. PP-371 Northern...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Fran Buteau Application for Presidential Permit OE Docket No. PP-371 Northern Pass Transmission: Comments from Fran Buteau Application from Northern Pass Transmission to construct,...

  20. Application for Presidential Permit OE Docket No. PP-371 Northern...

    Office of Environmental Management (EM)

    State Senator Jeanie Forrester Application for Presidential Permit OE Docket No. PP-371 Northern Pass Transmission: Comments from State Senator Jeanie Forrester Application from...

  1. Application for Presidential Permit OE Docket No. PP-257 Emera...

    Broader source: Energy.gov (indexed) [DOE]

    maintain electric transmission facilities at the U.S. - Canada Border. Application for Presidential Permit OE Docket No. PP-257 Emera Energy Services, Inc. More Documents &...

  2. Application for Presidential Permit OE Docket No. PP-371 Northern...

    Office of Environmental Management (EM)

    Mary Bearor Application for Presidential Permit OE Docket No. PP-371 Northern Pass Transmission: Comments from Mary Bearor Application from Northern Pass Transmission to construct,...

  3. Application for Presidential Permit OE Docket No. PP-387 Soule...

    Broader source: Energy.gov (indexed) [DOE]

    Peggy Wilson, Alaska State Legislature.pdf More Documents & Publications Application for Presidential Permit OE Docket No. PP-387 Soule Hydro: Comments from City of Saxman, Alaska...

  4. Application for Presidential Permit OE Docket No. PP-387 Soule...

    Energy Savers [EERE]

    Hydro: Notice of Intervention by Department of Agriculture Application for Presidential Permit OE Docket No. PP-387 Soule Hydro: Notice of Intervention by Department of Agriculture...

  5. Application for presidential permit OE Docket No. PP-299 Sea...

    Broader source: Energy.gov (indexed) [DOE]

    facilities at the U.S-Canada border. - Federal Register Notice Application for presidential permit OE Docket No. PP-299 Sea Breeze Pacific Regional Transmission System...

  6. Application for Presidential Permit OE Docket No. PP-371 Northern...

    Office of Environmental Management (EM)

    Robert Cote Application for Presidential Permit OE Docket No. PP-371 Northern Pass: Comments from Robert Cote Application from Northern Pass to construct, operate and maintain...

  7. Application for presidential permit OE Docket No. PP-305 Montana...

    Broader source: Energy.gov (indexed) [DOE]

    at the U.S-Canada border. Federal Register Notice Vol 70 No 210. Application for presidential permit OE Docket No. 305 Montana Alberta Tie Ltd More Documents &...

  8. Application for Presidential Permit OE Docket No. PP-400 TDI...

    Office of Environmental Management (EM)

    Project - Comments and Motion to Intervene of Conservation Law Foundation Application for Presidential Permit OE Docket No. PP-400 TDI-NE - New England Clean Power Link Project -...

  9. Application for Presidential Permit OE Docket No. PP-371 Northern...

    Office of Environmental Management (EM)

    John Doane Sr. Application for Presidential Permit OE Docket No. PP-371 Northern Pass: Comments from John Doane Sr. Application from Northern Pass to construct, operate and...

  10. Application for Presidential Permit OE Docket No. PP-362 Champlain...

    Energy Savers [EERE]

    Update to Presidential Permit Letter. CHPE-USDOE-Amendment.pdf More Documents & Publications EIS-0447: Final Environmental Impact Statement Application for a Presidential Permit OE...

  11. Application for Presidential Permit OE Docket No. PP-371 Northern...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Nancy Rheinhardt Application for Presidential Permit OE Docket No. PP-371 Northern Pass Transmission: Comments from Nancy Rheinhardt Application from Northern Pass Transmission to...

  12. Application for Presidential Permit OE Docket No. PP-371 Northern...

    Office of Environmental Management (EM)

    Rana Klug Application for Presidential Permit OE Docket No. PP-371 Northern Pass: Comments from Rana Klug Application from Northern Pass to construct, operate and maintain electric...

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    Office of Environmental Management (EM)

    Serita Frey Application for Presidential Permit OE Docket No. PP-371 Northern Pass: Comments from Serita Frey Application from Northern Pass to construct, operate and maintain...

  14. Application for Presidential Permit OE Docket No. PP-235 Sempra...

    Office of Environmental Management (EM)

    35 Sempra Energy Resources. Application for Presidential Permit OE Docket No. PP-235 Sempra Energy Resources. Application from Sempra Energy Resources to construct, operate and...

  15. Application for presidential permit OE Docket No. PP-305 Montana...

    Office of Environmental Management (EM)

    Update Application for presidential permit OE Docket No. PP-305 Montana Alberta Tie Ltd: Update Application from Montana Alberta Tie Ltd to construct, operate, and maintain...

  16. Application for Presidential Permit OE Docket No. PP-371 Northern...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Anne Moschella Application for Presidential Permit OE Docket No. PP-371 Northern Pass: Comments from Anne Moschella Application from Northern Pass to construct, operate and...

  17. Amended Application for Presidential Permit OE Docket No. PP...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Line: Federal Register Notice, Volume 79, No. 222 - Nov. 18, 2014 Amended Application for Presidential Permit OE Docket No. PP-398 Minnesota Power - Great Northern Transmission...

  18. Application for presidential permit OE Docket No. PP-362 Champlain...

    Broader source: Energy.gov (indexed) [DOE]

    Federal Register Notice Volume 75, No. 43 More Documents & Publications Application for Presidential Permit OE Docket No. PP-362 Champlain Hudson Power Express, Inc. EIS-0447:...

  19. Application for Presidential Permit OE Docket No. PP-371 Northern...

    Office of Environmental Management (EM)

    Lorna Rose Application for Presidential Permit OE Docket No. PP-371 Northern Pass: Comments from Lorna Rose Application from Northern Pass to construct, operate and maintain...

  20. Application for Presidential Permit OE Docket No. PP-387 Soule...

    Energy Savers [EERE]

    Karen Brand Application for Presidential Permit OE Docket No. PP-387 Soule Hydro: Comments from Karen Brand Application from Soule Hydro to construct, operate and maintain electric...

  1. Application for presidential permit OE Docket No. PP-305 Montana...

    Office of Environmental Management (EM)

    Ltd Application for presidential permit OE Docket No. PP-305 Montana Alberta Tie Ltd Application from Montana Alberta Tie Ltd to construct, operate, and maintain electric...

  2. Application for Presidential Permit OE Docket No. PP-371 Northern...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Gina Neily Application for Presidential Permit OE Docket No. PP-371 Northern Pass: Comments from Gina Neily Application from Northern Pass to construct, operate and maintain...

  3. Application for Presidential Permit OE Docket No. PP-371 Northern...

    Office of Environmental Management (EM)

    Roy Stever Application for Presidential Permit OE Docket No. PP-371 Northern Pass Transmission: Comments from Roy Stever Application from Northern Pass Transmission to construct,...

  4. Application for Presidential Permit OE Docket No. PP-371 Northern...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Stephen Buzzell and Lelah Sullivan Application for Presidential Permit OE Docket No. PP-371 Northern Pass: Comments from Stephen Buzzell and Lelah Sullivan Application from...

  5. Application for Presidential Permit OE Docket No. PP-387 Soule...

    Broader source: Energy.gov (indexed) [DOE]

    Sen Murkowski Letter.pdf More Documents & Publications Application for Presidential Permit OE Docket No. PP-387 Soule Hydro: Comments from City of Saxman, Alaska Application for...

  6. Application for Presidential Permit OE Docket No. PP-387 Soule...

    Broader source: Energy.gov (indexed) [DOE]

    from Dept of Agriculture 08-28-13.pdf More Documents & Publications Application for Presidential Permit OE Docket No. PP-387 Soule Hydro: Notice of Intervention by Department...

  7. Application for Presidential Permit OE Docket No. PP-371 Northern...

    Office of Environmental Management (EM)

    Courtney Kearley Application for Presidential Permit OE Docket No. PP-371 Northern Pass: Comments from Courtney Kearley Application from Northern Pass to construct, operate and...

  8. Application for Presidential Permit OE Docket No. PP-299 Sea...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    99 Sea Breeze Pacific Regional Transmission System, INC Application for Presidential Permit OE Docket No. PP-299 Sea Breeze Pacific Regional Transmission System, INC TBDApplication...

  9. Application for presidential permit OE Docket No. PP-300 Maine...

    Office of Environmental Management (EM)

    0 Maine Public Service Company Application for presidential permit OE Docket No. PP-300 Maine Public Service Company Applicationfrom Maine Public Service Company to construct,...

  10. Application for Presidential Permit OE Docket No. PP-369 British...

    Office of Environmental Management (EM)

    Transmission Corporation and British Columbia Hydro and Power Authority Application for Presidential Permit OE Docket No. PP-369 British Columbia Transmission Corporation and...

  11. Application for Presidential Permit OE Docket No. PP-398 Minnesota...

    Office of Environmental Management (EM)

    Comments from Roseau County Board of Commissioners Application for Presidential Permit OE Docket No. PP-398 Minnesota Power - Great Northern Transmission Line: Comments from Roseau...

  12. Application for Presidential Permit OE Docket No. PP-371 Northern...

    Office of Environmental Management (EM)

    Nicholas Karakoudas Application for Presidential Permit OE Docket No. PP-371 Northern Pass: Comments from Nicholas Karakoudas Application from Northern Pass to construct, operate...

  13. Application for Presidential Permit OE Docket No. PP-371 Northern...

    Office of Environmental Management (EM)

    Maureen Quinn Application for Presidential Permit OE Docket No. PP-371 Northern Pass: Comments from Maureen Quinn Application from Northern Pass to construct, operate and maintain...

  14. Application for Presidential Permit OE Docket No. PP-371 Northern...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Michelle Kleindienst Application for Presidential Permit OE Docket No. PP-371 Northern Pass: Comments from Michelle Kleindienst Application from Northern Pass to construct, operate...

  15. Application for Presidential Permit OE Docket No. PP-387 Soule...

    Broader source: Energy.gov (indexed) [DOE]

    - Letter from City of Saxman, Alaska.pdf More Documents & Publications Application for Presidential Permit OE Docket No. PP-387 Soule Hydro: Comments from Alaska State...

  16. Application for Presidential Permit OE Docket No. PP-044 Northern...

    Office of Environmental Management (EM)

    44 Northern Electric Cooperative Association Application for Presidential Permit OE Docket No. PP-044 Northern Electric Cooperative Association Application from Northern Electric...

  17. Application for presidential permit OE Docket No. PP-305 Montana...

    Office of Environmental Management (EM)

    Scope Change 1 Application for presidential permit OE Docket No. PP-305 Montana Alberta Tie Ltd: Scope Change 1 Application from Montana Alberta Tie Ltd to construct, operate,...

  18. Application for Presidential permit OE Docket No. PP-371 Northern...

    Office of Environmental Management (EM)

    and Requests for Intervention Received on the Amended Application Application for Presidential permit OE Docket No. PP-371 Northern Pass Transmission: Comments and Requests...

  19. Application for Presidential Permit OE Docket No. PP-387 Soule...

    Energy Savers [EERE]

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    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

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    Office of Environmental Management (EM)

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    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    presidential permit OE Docket No. PP-362 Champlain Hudson - Notice of Intent To Prepare an Environmental Impact Statement: Federal Register Notice Volume 75, No. 117 - Jun. 18,...

  6. Application for Presidential Permit OE Docket No. PP-229 Tucson...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Company: Federal Register Notice Volume 65, No. 183 - Sep. 20, 2000 Application for Presidential Permit OE Docket No. PP-229 Tucson Electric Power Company: Federal Register Notice...

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    Office of Environmental Management (EM)

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    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Hayes Application for Presidential Permit OE Docket No. PP-371 Northern Pass: Comments from Pamela Hayes Application from Northern Pass to construct, operate and maintain electric...

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    Office of Environmental Management (EM)

    Federal Register Notice, Vol. 79, No. 93 - May 14, 2014 Application for Presidential Permit OE Docket No. PP-398 Minnesota Power - Great Northern Transmission Line: Federal...

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    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

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    Baja Wind Transmission, LLC Application for Presidential Permit OE Docket No. PP-334 Baja Wind Transmission, LLC Application from Baja Wind Transmission, LLC to construct, operate,...

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    Pamela Martin Application for Presidential Permit OE Docket No. PP-371 Northern Pass Transmission: Comments from Pamela Martin Application from Northern Pass Transmission to...

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    Broader source: Energy.gov (indexed) [DOE]

    maintain electric transmission facilities at the U.S. - Canada Border. Application for Presidential Permit OE Docket No. PP-366 Twin Rivers Paper Company, Inc. More Documents &...

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    Paula VandeWerken Application for Presidential Permit OE Docket No. PP-371 Northern Pass Transmission: Comments from Paula VandeWerken Application from Northern Pass Transmission...

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    James Kennedy Application for Presidential Permit OE Docket No. PP-371 Northern Pass: Comments from James Kennedy Application from Northern Pass to construct, operate and maintain...

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    presidential permit OE Docket No. PP-371 Northern Pass Transmission LLC: Public Scoping Period Reopened: Federal Register Volume 73, No. 183 - Jun. 15, 2011 Application for...

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    Michael Marino Application for Presidential Permit OE Docket No. PP-371 Northern Pass Transmission: Comments from Michael Marino Application from Northern Pass Transmission to...

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    LLC: Federal Register Notice Volume 75, No. 220 - Nov. 16, 2010 Application for presidential permit OE Docket No. PP-371 Northern Pass Transmission LLC: Federal Register Notice...

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    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Amended Letter to New Border Crossing Application for Presidential Permit OE Docket No. PP-398 Minnesota Power - Great Northern Transmission Line: Amended Letter to New Border...

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    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    The Weeks Lancaster Trust Application for Presidential Permit OE Docket No. PP-371 Northern Pass: Comments from The Weeks Lancaster Trust Application from Northern Pass to...

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    Elisha Gray Application for Presidential Permit OE Docket No. PP-371 Northern Pass Transmission: Comments from Elisha Gray Application from Northern Pass Transmission to construct,...

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    Letter of MOU Cancellation Application for presidential permit OE Docket No. PP-371 Northern Pass Transmission LLC: Letter of MOU Cancellation March 7, 2011 Northern Pass...

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    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

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    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Roy Kjendal Application for Presidential Permit OE Docket No. PP-371 Northern Pass: Comments from Roy Kjendal Application from Northern Pass to construct, operate and maintain...

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    City of Concord - James Kennedy Application for Presidential Permit OE Docket No. PP-371 Northern Pass Transmission: Comments from City of Concord - James Kennedy Application from...

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    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Lee Ann Moulder Application for Presidential Permit OE Docket No. PP-371 Northern Pass Transmission: Comments from Lee Ann Moulder Application from Northern Pass Transmission to...

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    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Northern Pass Transmission: Comments from William and Michelle Shoemaker Application for Presidential Permit OE Docket No: PP-371 Northern Pass Transmission: Comments from William...

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    Motion to Intervene of The Northeast Power Coordinating Council, Inc. Application for Presidential Permit OE Docket No. PP-400 TDI-NE - New England Clean Power Link Project:...

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    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Alice Peatman Application for Presidential Permit OE Docket No. PP-371 Northern Pass Transmission: Comments from Alice Peatman Application from Northern Pass Transmission to...

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    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    The Nature Conservancy Application for Presidential Permit OE Docket No. PP-371 Northern Pass: Comments from The Nature Conservancy Application from Northern Pass to construct,...

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    Steve Nogueira Application for Presidential Permit OE Docket No. PP-371 Northern Pass: Comments from Steve Nogueira Application from Northern Pass to construct, operate and...

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    Energy Savers [EERE]

    234 Baja California Power, Inc Application for presidential permit OE Docket No. PP-234 Baja California Power, Inc Application from Baja California Power to construct, operate, and...

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    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

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    Lindsey Coombs Application for Presidential Permit OE Docket No. PP-371 Northern Pass: Comments from Lindsey Coombs Application from Northern Pass to construct, operate and...

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    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Linda Upham Application for Presidential Permit OE Docket No. PP-371 Northern Pass Transmission: Comments from Linda Upham Application from Northern Pass Transmission to construct,...

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    National Park Service - Wendy Jannsen Application for Presidential Permit OE Docket No. PP-371 Northern Pass Transmission: Comments from National Park Service - Wendy Jannsen...

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    Broader source: Energy.gov (indexed) [DOE]

    Energia Sierra Juarex U.S Transmission LLC More Documents & Publications Application for presidential permit OE Docket No. PP-334 Energia Sierra Juarex U.S Transmission LLC:...

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    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Bruce Adami Application for Presidential Permit OE Docket No. PP-371 Northern Pass: Comments from Bruce Adami Application from Northern Pass to construct, operate and maintain...

  2. Highlights of the FY 2012 Congressional Budget Request for OE

    Broader source: Energy.gov [DOE]

    The Office of Electricity Delivery and Energy Reliability's (OE) budget request represents a strong commitment to bringing the next generation of grid modernization technologies closer to...

  3. Panel: Microgrid Research and Field Testing IEEE PES General Meeting, 24-28 June 2007, Tampa, FL 1 In general, a microgrid can operate in both the grid-connected

    E-Print Network [OSTI]

    Panel: Microgrid Research and Field Testing IEEE PES General Meeting, 24-28 June 2007, Tampa, FL 1 Abstract In general, a microgrid can operate in both the grid-connected mode and the islanded mode where the microgrid is interfaced to the main power system by a fast semiconductor switch called static switch, (SS

  4. OE's SGIG Program Featured in International Publication

    Broader source: Energy.gov [DOE]

    An article in the March 2012 issue of the quarterly publication Metering International focuses on DOE's Smart Grid Investment Grant program, highlighting how the program is improving the reliability and resiliency of the US electric grid. The article examines the need to protect the grid and the benefits of modernization, including reduced demand, increased capacity, and faster recovery. OE's Debbie Haught, who oversees the SGIG program, and Joseph Palladino, who leads the analysis of the program, authored the piece. Metering International provides information on trends and developments in the industry.

  5. The added economic and environmental value of plug-in electric vehicles connected to commercial building microgrids

    E-Print Network [OSTI]

    Stadler, Michael

    2010-01-01T23:59:59.000Z

    microgrid, which may include photovoltaic (PV), solar thermal, stationary batteries, thermal storage, and combined heat and power (

  6. '"g,S"gOE`,,,OEW--`D","--h,,e<,,,, "--hV~...OE[V",--p,,OEY"

    E-Print Network [OSTI]

    Ishii, Hitoshi

    50 60 70 80 Deflection(%) ReactionForce(ton) ·}3·@OEW--¯·}·i135,000m 3 LNG`D ·j OEW--¯·õ,Ì"Á·« ­h,000m 3 LNG`D ·j OEW--¯·õ,Ì"Á·« ­hOE½·Þ,Ì"Á·« Ó42mm·C,,·[··[v·ieC

  7. Abstract Microgrids are a new concept for future energy dis-tribution systems that enable renewable energy integration and

    E-Print Network [OSTI]

    Collins, Emmanuel

    1 Abstract ­ Microgrids are a new concept for future energy dis- tribution systems that enable renewable energy integration and improved energy management capability. Microgrids consist of multiple power quality and power distribution reliability, microgrids need to operate in both grid

  8. IEEE TRANSACTIONS ON SMART GRID, VOL. 5, NO. 4, JULY 2014 1621 Realizing Unified Microgrid Voltage Profile and

    E-Print Network [OSTI]

    Qu, Zhihua

    IEEE TRANSACTIONS ON SMART GRID, VOL. 5, NO. 4, JULY 2014 1621 Realizing Unified Microgrid Voltage the information received locally from the neighboring nodes in the microgrid, and the critical nodes without DG the microgrid to have a unified voltage profile, and incorporating the subgradient method facilitates its

  9. Plug-and-Play Control and Optimization in Microgrids Florian Dorfler, John W. Simpson-Porco, and Francesco Bullo

    E-Print Network [OSTI]

    Bullo, Francesco

    distributed renewable genera- tion and energy storage systems, the concept of a microgrid has recently gained, storage, load, and managed autonomously from the larger transmission network. Microgrids are able. The sources in a microgrid generate either DC or variable frequency AC power, and are interfaced with an AC

  10. Abstract -This paper presents the coordinated control of distributed energy storage systems (DESSs) in DC micro-grids.

    E-Print Network [OSTI]

    Vasquez, Juan Carlos

    ) in DC micro-grids. In order to balance the state-of-charge (SoC) of each energy storage unit (ESU--Droop control; distributed energy storage system (DESS); DC micro-grids; state-of-charge (SoC) I. INTRODUCTION and more popularity [1]. Nowadays DC micro-grids are becoming more attractive with the raise of DC power

  11. Application for Presidential permit OE Docket No. PP-230-4 Internation...

    Office of Environmental Management (EM)

    permit OE Docket No. PP-230-4 International Transmission Company: Response of New York Transmission Owners to ITC Application for Presidential permit OE Docket No....

  12. Application for a Presidential Permit OE Docket No. PP-362 Champlain...

    Office of Environmental Management (EM)

    a Presidential Permit OE Docket No. PP-362 Champlain Hudson Power Express, Inc. Application for a Presidential Permit OE Docket No. PP-362 Champlain Hudson Power Express, Inc....

  13. Robust Networked Control Scheme for Distributed Secondary Control of Islanded MicroGrids

    E-Print Network [OSTI]

    Vasquez, Juan Carlos

    1 Robust Networked Control Scheme for Distributed Secondary Control of Islanded MicroGrids Qobad scenarios that have an increased number of distributed generators (DGs) within the MG. Due (RES) and distributed generators (DGs), microgrids (MGs) have recently attracted a significant interest

  14. Fine-Grained Remote Monitoring, Control and Pre-Paid Electrical Service in Rural Microgrids

    E-Print Network [OSTI]

    Goldstein, Seth Copen

    Fine-Grained Remote Monitoring, Control and Pre-Paid Electrical Service in Rural Microgrids Maxim microgrid deployment in rural Les Anglais, Haiti. The system consists of a three-tiered architecture,arthur}@earthsparkinternational.org Abstract--In this paper, we present the architecture, design and experiences from a wirelessly managed

  15. Complementary Effect of Wind and Solar Energy Sources in a Microgrid

    E-Print Network [OSTI]

    Pota, Himanshu Roy

    Complementary Effect of Wind and Solar Energy Sources in a Microgrid M. A. Barik, Student Member. Index Terms--Microgrid, renewable energy sources, reactive power mismatch, solar integration, voltage-mass energy, etc. Of them wind and solar energy is broadly used for their characteristics. This paper presents

  16. A Secure Energy Routing Mechanism for Sharing Renewable Energy in Smart Microgrid

    E-Print Network [OSTI]

    Massachusetts at Amherst, University of

    A Secure Energy Routing Mechanism for Sharing Renewable Energy in Smart Microgrid Ting Zhu Sheng, Binghamton, NY, USA Abstract--Due to volatile and rising energy prices, smart microgrids appear and wind turbines on every house sharing renewable energy among houses. How to efficiently and optimally

  17. Control of Parallel-Connected Bidirectional AC-DC Converters in Stationary Frame for Microgrid

    E-Print Network [OSTI]

    Teodorescu, Remus

    Sistemes Automàtica i Informàtica Industrial Universitat Politècnica de Catalunya Abstract. In this paper, parallel-connected bidirectional converters for AC and DC hybrid microgrid application energy sources [3-6]. A hybrid microgrid can be made up of distributed renewable source, AC and DC common

  18. A Survey of Techniques Used to Control Microgrid Generation and Storage during Island Operation

    E-Print Network [OSTI]

    Michael Angelo Pedrasa

    A microgrid is a cluster of interconnected distributed generators, loads and intermediate storage units that cooperate with each other to be collectively treated by the grid as a controllable load or generator. Power quality events and pre-set conditions will make the microgrid disconnect from the

  19. Validating and scaling the microgrid: A scientific instrument for grid dynamics

    E-Print Network [OSTI]

    Xin Liu; Huaxia Xia; Andrew A. Chien

    depends on coordinated and accurate modeling of all four of these elements simultaneously. We have designed and implemented a tool called the MicroGrid which enables accurate and comprehensive study of the dynamic interaction of applications, middleware, resource, and networks. The MicroGrid creates a

  20. A Distributed Control Strategy for Coordination of an Autonomous LVDC Microgrid Based on

    E-Print Network [OSTI]

    Vasquez, Juan Carlos

    A Distributed Control Strategy for Coordination of an Autonomous LVDC Microgrid Based on Power for autonomous LVDC MGs. Index Terms--Microgrid (MG), voltage-droop (VD) control, battery chargers, power storage systems (ESS). Specifically, the recharging process of secondary battery, the most prominent ESS

  1. Consensus + Innovations Approach for Distributed Multi-Agent Coordination in a Microgrid

    E-Print Network [OSTI]

    Kar, Soummya

    in which distributed resources and loads form microgrids within the bulk power system in which load1 Consensus + Innovations Approach for Distributed Multi-Agent Coordination in a Microgrid Gabriela- agement are expected to become more prevalent in the future electric power system. Coordinating

  2. Power Flow Analysis Algorithm for Islanded LV Microgrids Including Distributed Generator Units with

    E-Print Network [OSTI]

    Chaudhary, Sanjay

    Power Flow Analysis Algorithm for Islanded LV Microgrids Including Distributed Generator Units With larger portion of growing electricity demand which is being fed through distributed generation (DG power system. Being able to operate in both grid-connected and islanded mode, a microgrid manages

  3. Supervisory Control of an Adaptive-Droop Regulated DC Microgrid with Battery Management

    E-Print Network [OSTI]

    Vasquez, Juan Carlos

    such as photovoltaic (PV) systems and secondary batteries. In this paper, several distributed generators (DGs) have1 Supervisory Control of an Adaptive-Droop Regulated DC Microgrid with Battery Management been merged together with a pair of batteries and loads to form an autonomous dc Microgrid (MG

  4. Improving Energy Use Forecast for Campus Micro-grids using Indirect Indicators Department of Computer Science

    E-Print Network [OSTI]

    Prasanna, Viktor K.

    and institutional campuses can significantly contribute to energy conservation. The rollout of smart grids of occupants, and is a micro-grid test-bed for the DoE sponsored Los Angeles Smart Grid Demonstration ProjectImproving Energy Use Forecast for Campus Micro-grids using Indirect Indicators Saima Aman

  5. Demand Side Management for Wind Power Integration in Microgrid Using Dynamic Potential Game Theory

    E-Print Network [OSTI]

    Huang, Jianwei

    Demand Side Management for Wind Power Integration in Microgrid Using Dynamic Potential Game Theory, Wind Power Integration, Markov Chain, Dynamic Potential Game Theory, Nash Equilibrium. I. INTRODUCTION the intermittency in wind power generation. Our focus is on an isolated microgrid with one wind turbine, one fast

  6. Microgrid Reliability Modeling and Battery Scheduling Using Stochastic Linear Programming

    SciTech Connect (OSTI)

    Cardoso, Goncalo; Stadler, Michael; Siddiqui, Afzal; Marnay, Chris; DeForest, Nicholas; Barbosa-Povoa, Ana; Ferrao, Paulo

    2013-05-23T23:59:59.000Z

    This paper describes the introduction of stochastic linear programming into Operations DER-CAM, a tool used to obtain optimal operating schedules for a given microgrid under local economic and environmental conditions. This application follows previous work on optimal scheduling of a lithium-iron-phosphate battery given the output uncertainty of a 1 MW molten carbonate fuel cell. Both are in the Santa Rita Jail microgrid, located in Dublin, California. This fuel cell has proven unreliable, partially justifying the consideration of storage options. Several stochastic DER-CAM runs are executed to compare different scenarios to values obtained by a deterministic approach. Results indicate that using a stochastic approach provides a conservative yet more lucrative battery schedule. Lower expected energy bills result, given fuel cell outages, in potential savings exceeding 6percent.

  7. Microgrids in the Evolving Electricity Generation and DeliveryInfrastructure

    SciTech Connect (OSTI)

    Marnay, Chris; Venkataramanan, Giri

    2006-02-01T23:59:59.000Z

    The legacy paradigm for electricity service in most of the electrified world today is based on the centralized generation-transmission-distribution infrastructure that evolved under a regulated environment. More recently, a quest for effective economic investments, responsive markets, and sensitivity to the availability of resources, has led to various degrees of deregulation and unbundling of services. In this context, a new paradigm is emerging wherein electricity generation is intimately embedded with the load in microgrids. Development and decay of the familiar macrogrid is discussed. Three salient features of microgrids are examined to suggest that cohabitation of micro and macro grids is desirable, and that overall energy efficiency can be increased, while power is delivered to loads at appropriate levels of quality.

  8. Distributed control for optimal reactive power compensation in smart microgrids

    E-Print Network [OSTI]

    Bolognani, Saverio

    2011-01-01T23:59:59.000Z

    We consider the problem of optimal reactive power compensation for the minimization of power distribution losses in a smart microgrid. We first propose an approximate model for the power distribution network, which allows us to cast the problem into the class of convex quadratic, linearly constrained, optimization problems. We also show how this model provides the tools for a distributed approach, in which agents have a partial knowledge of the problem parameters and state, and can only perform local measurements. Then, we design a randomized, gossip-like optimization algorithm, providing conditions for convergence together with an analytic characterization of the convergence speed. The analysis shows that the best performance can be achieved when we command cooperation among agents that are neighbors in the smart microgrid topology. Numerical simulations are included to validate the proposed model and to confirm the analytic results about the performance of the proposed algorithm.

  9. CleanTX Foundation | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are being directedAnnual Siteof EnergyInnovationin UrbanCity ofCityClean Economy Network JumpCleanCleanFUELCleanTX

  10. A Green Prison: The Santa Rita Jail Campus Microgrid

    SciTech Connect (OSTI)

    Marnay, Chris; DeForest, Nicholas; Lai, Judy

    2012-01-22T23:59:59.000Z

    A large microgrid project is nearing completion at Alameda County’s twenty-two-year-old 45 ha 4,000-inmate Santa Rita Jail, about 70 km east of San Francisco. Often described as a green prison, it has a considerable installed base of distributed energy resources (DER) including an eight-year old 1.2 MW PV array, a five-year old 1 MW fuel cell with heat recovery, and considerable efficiency investments. A current US$14 M expansion adds a 2 MW-4 MWh Li-ion battery, a static disconnect switch, and various controls upgrades. During grid blackouts, or when conditions favor it, the Jail can now disconnect from the grid and operate as an island, using the on-site resources described together with its back-up diesel generators. In other words, the Santa Rita Jail is a true microgrid, or ?grid, because it fills both requirements, i.e. it is a locally controlled system, and it can operate both grid connected and islanded. The battery’s electronics includes Consortium for Electric Reliability Technology (CERTS) Microgrid technology. This enables the battery to maintain energy balance using droops without need for a fast control system.

  11. Agricultural Grassland, Soil and Water Research Laboratory, Temple, TX

    E-Print Network [OSTI]

    Agricultural Research Service Grassland, Soil and Water Research Laboratory, Temple, TX Monitoring, Modeling and Decision-Making Daren Harmel USDA-ARS, Temple, TX #12;Agricultural Research Service Grassland monitoring, modeling, and decision- making #12;Agricultural Research Service Grassland, Soil and Water

  12. Agricultural Grassland, Soil and Water Research Laboratory, Temple, TX

    E-Print Network [OSTI]

    Agricultural Research Service Grassland, Soil and Water Research Laboratory, Temple, TX Monitoring, Modeling and Decision-Making Daren Harmel USDA-ARS, Temple, TX Agricultural Research Service Grassland monitoring, modeling, and decision- making (if time and interest!!) Agricultural Research Service Grassland

  13. NCSEC'07 Plano, TX Risk-Based Quantifiable

    E-Print Network [OSTI]

    Tian, Jeff

    NCSEC'07 Plano, TX Risk-Based Quantifiable Quality Improvement Jeff Tian (tian@engr.smu Risk · Quality for Customers/Users · Quality for Software Organizations March 30, 2007 Jeff Tian, SMU 2800 1536 1 883 737 5396 2583 45 37 9 March 30, 2007 Jeff Tian, SMU #12;NCSEC'07, Plano, TX Slide. 3

  14. January 2013 | OE 13oedigital.com The biggest challenge in

    E-Print Network [OSTI]

    , President, Swire Oilfield Services North America New year, old challenges. As we begin 2013, OE has

  15. Application for Presidential Permit OE Docket No. PP-387 Soule...

    Broader source: Energy.gov (indexed) [DOE]

    Register Notice. PP-387 Soule Hydro FRN.pdf More Documents & Publications Application for Presidential Permit OE Docket No. PP-387 Soule Hydro: Comments from City of Saxman, Alaska...

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    Office of Environmental Management (EM)

    Maine: Federal Register Notice, Volume 79, No. 81 - April 28, 2014 Application for Presidential Permit OE Docket No. PP-395 Emera Maine: Federal Register Notice, Volume 79, No. 81...

  17. Application for presidential permit OE Docket No. PP-334 Energia...

    Broader source: Energy.gov (indexed) [DOE]

    Energia Sierra Juarez U.S Trainsmission LLC More Documents & Publications Application for Presidential Permit OE Docket No. PP-334 Energia Juarez U.S. Transmission, LLC,: Record of...

  18. Application for presidential permit OE Docket No. PP-304 Generadora...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    de C.V. (GDD): Federal Register Notice Volume 71, No. 53 - Mar. 20, 2006 Application for presidential permit OE Docket No. PP-304 Generadora del Desierto SA de C.V. (GDD): Federal...

  19. Application for Presidential Permit OE Docket No. PP-397 Emera...

    Energy Savers [EERE]

    Maine: Federal Register Notice, Volume 79, No. 81 - April 28, 2014 Application for Presidential Permit OE Docket No. PP-397 Emera Maine: Federal Register Notice, Volume 79, No. 81...

  20. Application for Presidential Permit OE Docket No. PP-394 Emera...

    Office of Environmental Management (EM)

    Maine: Federal Register Notice, Volume 79, No. 81 - April 28, 2014 Application for Presidential Permit OE Docket No. PP-394 Emera Maine: Federal Register Notice, Volume 79, No. 81...

  1. Application for presidential permit OE Docket No. PP-304 Generadora...

    Broader source: Energy.gov (indexed) [DOE]

    and maintain electric transmission facilities at the U.S-Mexico border. Application for presidential permit OE Docket No. PP-304 Generadora Del Desierto SA DE CV More Documents &...

  2. Application for presidential permit OE Docket No. PP-371 Northern...

    Office of Environmental Management (EM)

    LLC Application for presidential permit OE Docket No. PP-371 Northern Pass Transmission LLC Pursuant to Executive Order (EO) No. 10485, as amended by EO 12038, and 10 C.F.R. ...

  3. Application for Presidential Permit OE Docket No. PP-396 Emera...

    Office of Environmental Management (EM)

    Maine: Federal Register Notice, Volume 79, No. 81 - April 28, 2014 Application for Presidential Permit OE Docket No. PP-396 Emera Maine: Federal Register Notice, Volume 79, No. 81...

  4. Hanford Single Shell Tank Leak Causes and Locations - 241-TX Farm

    SciTech Connect (OSTI)

    Girardot, C. L.; Harlow, D> G.

    2014-07-22T23:59:59.000Z

    This document identifies 241-TX Tank Farm (TX Farm) leak causes and locations for the 100 series leaking tanks (241-TX-107 and 241-TX-114) identified in RPP-RPT-50870, Rev. 0, Hanford 241-TX Farm Leak Inventory Assessment Report. This document satisfies the TX Farm portion of the target (T04) in the Hanford Federal Facility Agreement and Consent Order milestone M-045-91F.

  5. Development of a High-Speed Static Switch for Distributed Energy and Microgrid Applications

    SciTech Connect (OSTI)

    Kroposki, B.; Pink, C.; Lynch, J.; John, V.; Meor Daniel, S.; Benedict, E.; Vihinen, I.

    2007-01-01T23:59:59.000Z

    Distributed energy resources can provide power to local loads in the electric distribution system and benefits such as improved reliability. Microgrids are intentional islands formed at a facility or in an electrical distribution system that contains at least one distributed resource and associated loads. Microgrids that operate both electrical generation and loads in a coordinated manner can offer additional benefits to the customer and local utility. The loads and energy sources can be disconnected from and reconnected to the area or local utility with minimal disruption to the local loads, thereby improving reliability. This paper details the development and testing of a highspeed static switch for distributed energy and microgrid applications.

  6. PSCAD/EMTDC-Based Modeling and Analysis of a Microgrid with Renewable Energy Sources

    E-Print Network [OSTI]

    Chu, Zhengguo

    2010-07-14T23:59:59.000Z

    . The proposed microgrid system includes fundamental power system component models, two renewable energy source models (wind and solar) and one energy storage source model. Different case studies were conducted. The results from the simulation case studies...

  7. Value and Technology Assessment to Enhance the Business Case for the CERTS Microgrid

    E-Print Network [OSTI]

    Lasseter, Robert

    2010-01-01T23:59:59.000Z

    microgrid increase their output power to match the desired decrease in output from the energy storagemicrogrid’s power demand. This investigation utilized batteries as the energy storagemicrogrid’s power demand. This investigation utilized batteries as the energy storage

  8. PSCAD/EMTDC-Based Modeling and Analysis of a Microgrid with Renewable Energy Sources 

    E-Print Network [OSTI]

    Chu, Zhengguo

    2010-07-14T23:59:59.000Z

    . The proposed microgrid system includes fundamental power system component models, two renewable energy source models (wind and solar) and one energy storage source model. Different case studies were conducted. The results from the simulation case studies...

  9. Micro-grid operation of inverter based distributed generation with voltage and frequency dependent loads

    E-Print Network [OSTI]

    Zeineldin, H. H.

    Distribution systems are experiencing increasing penetration of distributed generation (DG). One attractive option is to use the available DG capacity during utility outages by forming planned micro-grids. Load sharing ...

  10. Pricing Games among Interconnected Microgrids Gaurav S. Kasbekar and Saswati Sarkar

    E-Print Network [OSTI]

    Sarkar, Saswati

    1 Pricing Games among Interconnected Microgrids Gaurav S. Kasbekar and Saswati Sarkar Abstract than, less than or as much aggregate power as it requires. G. Kasbekar and S. Sarkar

  11. Hardware Development of a Laboratory-Scale Microgrid Phase 2: Operation and Control of a Two-Inverter Microgrid

    SciTech Connect (OSTI)

    Illindala, M. S.; Piagi, P.; Zhang, H.; Venkataramanan, G.; Lasseter, R. H.

    2004-03-01T23:59:59.000Z

    This report summarizes the activities of the second year of a three-year project to develop control software for microsource distributed generation systems. In this phase, a laboratory-scale microgrid was expanded to include: (1) Two emulated distributed resources; (2) Static switchgear to allow rapid disconnection and reconnection; (3) Electronic synchronizing circuitry to enable transient-free grid interconnection; (4) Control software for dynamically varying the frequency and voltage controller structures; and (5) Power measurement instrumentation for capturing transient waveforms at the interconnect during switching events.

  12. The Added Economic and Environmental Value of Solar Thermal Systems in Microgrids with Combined Heat and Power

    E-Print Network [OSTI]

    Marnay, Chris

    2010-01-01T23:59:59.000Z

    Environmental Value of Solar Thermal Systems in MicrogridsEnvironmental Value of Solar Thermal Systems in Microgridsa) ABSTRACT The addition of solar thermal and heat storage

  13. Integration& Operation of a Microgrid at Santa Rita Jail

    SciTech Connect (OSTI)

    Chevron Energy Solutions; Alameda County; DeForest, Nicholas; Lai, Judy; Stadler, Michael; Mendes, Goncalo; Marnay, Chris; Donadee, Jon

    2011-05-01T23:59:59.000Z

    Santa Rita Jail is a 4,500 inmate facility located in Dublin CA, approximately 40 miles (65 km) east of San Francisco. Over the past decade, a series of Distributed Energy Resources (DER) installations and efficiency measures have been undertaken to transform the 3MW facility into a"Green Jail". These include a 1.2MW rated rooftop PV system installed in 2002, a 1MW molten carbonate fuel cell with CHP, and retrofits to lighting and HVAC systems to reduce peak loads. With the upcoming installation of a large-scale battery and fast static disconnect switch, Santa Rita Jail will become a true microgrid, with full CERTS Microgrid functionality. Consequently, the jail will be able to seamlessly disconnect from the grid and operate as an island in the event of a disturbance, reconnecting again once the disturbance has dissipated. The extent to which that jail is capable of islanding is principally dependant on the energy capacity of the battery-one focus of this investigation. Also presented here are overviews of the DER currently installed at the jail, as well as the value it provides by offsetting the purchase of electricity under the current Pacific Gas& Electric (PG&E) tariff.

  14. The CERTS microgrid and the future of the macrogrid

    SciTech Connect (OSTI)

    Marnay, Chris; Bailey, Owen C.

    2004-06-01T23:59:59.000Z

    The blackouts of summer 2003 underscored the dependence of western economies on reliable supply of electricity with tight tolerances of quality. While demand for electricity continues to grow, expansion of the traditional electricity supply system is constrained and is unlikely to keep pace with the growing thirst western economies have for electricity. Furthermore, no compelling case has been made that perpetual improvement in the overall power quality and reliability (PQR) delivered is possible or desirable. An alternative path to providing for sensitive loads is to provide for generation close to them. This would alleviate the pressure for endless improvement in grid PQR and might allow the establishment of a sounder economically based level of universal grid service. Providing for loads by means of local power generation is becoming increasingly competitive with central station generation for a number of reasons, four key ones being non-technical constraints on expansion of the grid, improvements in small scale technologies, opportunities for CHP application, and the ubiquitous nature of sensitive loads in advanced economies. Along with these new technologies, concepts for operating them partially under local control in microgrids are emerging, the CERTS Microgrid being one example. It has been demonstrated in simulation, and a laboratory test of a three microturbine system is planned for early 2005, to be followed by a field demonstration. A systemic energy analysis of a southern California naval base building demonstrates a current economic on-site power opportunity.

  15. austin tx usa: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    78712, USA b Bureau of Economic Geology, Jackson School of Geology, The University of Texas at Austin, Austin, TX 78713, USA c Department of Mathematics Minkoff, Susan E. 50...

  16. txH2O: Volume 4, Number 2 (Complete)

    E-Print Network [OSTI]

    Texas Water Resources Institute

    2008-01-01T23:59:59.000Z

    Farmer Art Director AgriLife Communications & Marketing Danielle Supercinski Assistant Editor Texas Water Resources Institute Visit our web site at http://twri.tamu.edu for more information and to subscribe to tx H 2 O On the cover: The Rio Grande one... Texas Water Resources Institute Tammisha Farmer Art Director AgriLife Communications & Marketing Danielle Supercinski Assistant Editor Texas Water Resources Institute Visit our web site at http://twri.tamu.edu for more information and to subscribe to tx...

  17. A Review of Power Electronics Based Microgrids 181 JPE 12-1-23 http://dx.doi.org/10.6113/JPE.2012.12.1.181

    E-Print Network [OSTI]

    Chen, Zhe

    is followed by the descriptions of system controls and power management strategies for AC microgrids. Finally, but enables also microgrids to control and manage the power and energy flows efficiently [6]­[9]. FurthermorA Review of Power Electronics Based Microgrids 181 JPE 12-1-23 http://dx.doi.org/10.6113/JPE.2012

  18. Application to Export Electric Energy OE Docket No. EA-389 Great...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    VI, LLC Application to Export Electric Energy OE Docket No. EA-327-A DC Energy, LLC Application to Export Electric Energy OE Docket No. EA-97-D Portland General Electric Company...

  19. Application to Export Electric Energy OE Docket No. EA-196-D...

    Broader source: Energy.gov (indexed) [DOE]

    Minnesota Power Application to Export Electric Energy OE Docket No. EA-97-D Portland General Electric Company Application to Export Electric Energy OE Docket No. EA-327-A DC...

  20. Application to export Electric Energy OE Docket No. EA-210-C...

    Broader source: Energy.gov (indexed) [DOE]

    export Electric Energy OE Docket No. EA-210-C PPL EnergyPlus, LLC Application to export Electric Energy OE Docket No. EA-210-C PPL EnergyPlus, LLC Application from PPL EnergyPlus...

  1. Application to Export electric Energy OE Docket No. EA-210-C...

    Broader source: Energy.gov (indexed) [DOE]

    Export electric Energy OE Docket No. EA-210-C PPL EnergyPlus LLC: Federal Register Notice, Volume 77, No. 67 - April 6, 2012 Application to Export electric Energy OE Docket No....

  2. Application to Export Electric Energy OE Docket No. EA-351 DC...

    Broader source: Energy.gov (indexed) [DOE]

    DC Energy Dakota, LLC Application to export electric energy OE Docket No. EA-210-B PPL EnergyPlus, LLC Application to Export Electric Energy OE Docket No. EA-354 Endure...

  3. Appication to Export Electric Energy OE Docket No. EA-390 Global...

    Broader source: Energy.gov (indexed) [DOE]

    Pure Energy, LLC Application to Export Electric Energy OE Docket No. EA-387 Energia Renovable S.C, LLC Application to Export Electric Energy OE Docket No. EA-401 Lonestar...

  4. Application to export electric energy OE Docket No. EA-212-C...

    Office of Environmental Management (EM)

    export electric energy OE Docket No. EA-212-C Coral Power, LLC Application to export electric energy OE Docket No. EA-212-C Coral Power, LLC Application from Coral Power, LLC to...

  5. Application to export electric energy OE Docket No. EA-260-C...

    Energy Savers [EERE]

    export electric energy OE Docket No. EA-260-C EPCOR Merchant and Capital (US) Inc: Federal Register Notice Volume 74, No. 43 - Mar. 6, 2009 Application to export electric energy OE...

  6. Application to Export Electric Energy OE Docket No. EA-249-C...

    Energy Savers [EERE]

    Export Electric Energy OE Docket No. EA-249-C Exelon Generation Company, LLC: Federal Register Notice, Volume 79, No. 125 - June 30, 2014 Application to Export Electric Energy OE...

  7. Application to export electric energy OE Docket No. EA-196-C...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    export electric energy OE Docket No. EA-196-C Minnesota Power Application to export electric energy OE Docket No. EA-196-C Minnesota Power Application from Minnesota Power to...

  8. Application to Export Electric Energy OE Docket No. EA-145-D...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Export Electric Energy OE Docket No. EA-145-D Powerex Corporation: Federal Register Notice Volume 73, No. 227 - Nov. 28, 2008 Application to Export Electric Energy OE Docket No....

  9. Application to export electric energy OE Docket No. EA-287-A...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    export electric energy OE Docket No. EA-287-A Emera Energy U.S Subsidiary No. 1 Inc Application to export electric energy OE Docket No. EA-287-A Emera Energy U.S Subsidiary No. 1...

  10. Application to export electric energy OE Docket No. EA-349 Bruce...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    export electric energy OE Docket No. EA-349 Bruce Power Inc Application to export electric energy OE Docket No. EA-349 Bruce Power Inc Application from Bruce Power Inc to export...

  11. Application for Presidential Permit OE Doc. No. PP-399 MATL LLP...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Presidential Permit OE Doc. No. PP-399 MATL LLP: Federal Register Notice, Volume 79, No. 93 - May 14, 2014 Application for Presidential Permit OE Doc. No. PP-399 MATL LLP: Federal...

  12. Application for presidential permit OE Docket No. PP-235-1 Sempra...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    presidential permit OE Docket No. PP-235-1 Sempra Energy Resources and Termoelectrica U.S LLC Application for presidential permit OE Docket No. PP-235-1 Sempra Energy Resources and...

  13. Application to Export Electric Energy OE Docket No. EA-406 Sempra...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Office of Electricity Delivery and Energy Reliability (OE): EA-406 Sempra Generation, LLC Application to Export Electric Energy OE Docket No. EA-387 Energia Renovable S.C, LLC...

  14. Design and Performance of Solar Decathlon 2011 High-Penetration Microgrid: Preprint

    SciTech Connect (OSTI)

    Stafford, B.; Coddington, M.; Butt, R.; Solomon, S.; Wiegand, G.; Wagner, C.; Gonzalez, B.

    2012-04-01T23:59:59.000Z

    The U.S. Department of Energy Solar Decathlon challenges collegiate teams to design, build, and operate solar-powered houses that are cost-effective, energy-efficient, and attractive. The Solar Decathlon 2011 was held in Washington, D.C., from September 23 to October 2, 2011 . A high-penetration microgrid was designed, installed, and operated for the Solar Decathlon 2011 to grid-connect 19 highly energy-efficient, solar-powered competition houses to a single utility connection point. The capacity penetration of this microgrid (defined as maximum PV generation divided by maximum system load over a two-week period) was 74% based on 1-minute averaged data. Temporary, ground-laid conductors and electrical distribution equipment were installed to grid-connect the Solar Decathlon village, which included the houses as well as other electrical loads used by the event organizers. While 16 of the houses were connected to the 60 Hz microgrid, three houses from Belgium, China, and New Zealand were supplied with 50 Hz power. The design of the microgrid, including the connection of the houses powered by 50 Hz and a standby diesel generator, is discussed in this paper. In addition to the utility-supplied net energy meters at each house, a microgrid monitoring system was installed to measure and record energy consumption and PV energy production at 1-second intervals at each house. Bidirectional electronic voltage regulators were installed for groups of competition houses, which held the service voltage at each house to acceptable levels. The design and successful performance of this high-penetration microgrid is presented from the house, microgrid operator, and utility perspectives.

  15. New Power Electronics Converter Interfacing a Hybrid Dc/Ac Microgrid M. Alibeik, E. C. dos Santos Jr.

    E-Print Network [OSTI]

    Zhou, Yaoqi

    New Power Electronics Converter Interfacing a Hybrid Dc/Ac Microgrid M. Alibeik, E. C. dos Santos microgrid is that it has higher efficiency and lesser power conversion. In this work is proposed a new integrated power electronics converter able to connect a Distributed Generation (DG) unit with a hybrid dc

  16. 944 IEEE TRANSACTIONS ON SUSTAINABLE ENERGY, VOL. 4, NO. 4, OCTOBER 2013 Robust Energy Management for Microgrids With

    E-Print Network [OSTI]

    Giannakis, Georgios

    in microgrids, which feature distributed generation (DG) and distributed storage (DS). Distributed economic of distributed storage (DS) units, and their index. Number of power production facilities with renewable energy for Microgrids With High-Penetration Renewables Yu Zhang, Student Member, IEEE, Nikolaos Gatsis, Member, IEEE

  17. Multi-Agent Based Techniques for Coordinating the Distribution of Electricity in a Micro-Grid Environment

    E-Print Network [OSTI]

    Southampton, University of

    and agent managed microgrids. Fred Schweppe, a recognised world leader in the field of electric powerMulti-Agent Based Techniques for Coordinating the Distribution of Electricity in a Micro-Grid will be required which incor- porates intermittent renewable resources, micro-generators, micro-storage devices

  18. CCM118 COMPUTAC ~AO I INFORMAC ~OES GERAIS

    E-Print Network [OSTI]

    Kohayakawa, Yoshiharu

    CCM118 COMPUTAC¸ ~AO I INFORMAC¸ ~OES GERAIS Bem-vindos `a edi¸c~ao do 2o. semestre de 2013 de CCM://www.ime.usp.br/~yoshi/2013ii/ccm118 Esta p´agina conter´a algum material de suporte para as aulas. Veja tamb´em o sistema

  19. CCM128 COMPUTAC ~AO II INFORMAC ~OES GERAIS

    E-Print Network [OSTI]

    Kohayakawa, Yoshiharu

    CCM128 COMPUTAC¸ ~AO II INFORMAC¸ ~OES GERAIS Bem-vindos `a edi¸c~ao do 1o. semestre de 2010 de CCM://www.ime.usp.br/~yoshi/2010i/ccm128 Esta p´agina conter´a algum material de suporte para as aulas. Veja tamb´em o sistema Paca

  20. CCM118 COMPUTAC ~AO I INFORMAC ~OES GERAIS

    E-Print Network [OSTI]

    Kohayakawa, Yoshiharu

    CCM118 COMPUTAC¸ ~AO I INFORMAC¸ ~OES GERAIS Bem-vindos `a edi¸c~ao do 2o. semestre de 2009 de CCM disciplina: Teremos uma p´agina na rede: http://www.ime.usp.br/~yoshi/2009ii/ccm118 Esta p´agina conter

  1. Integration of distributed energy resources. The CERTS Microgrid Concept

    SciTech Connect (OSTI)

    Lasseter, Robert; Akhil, Abbas; Marnay, Chris; Stephens, John; Dagle, Jeff; Guttromsom, Ross; Meliopoulous, A. Sakis; Yinger, Robert; Eto, Joe

    2002-04-01T23:59:59.000Z

    Evolutionary changes in the regulatory and operational climate of traditional electric utilities and the emergence of smaller generating systems such as microturbines have opened new opportunities for on-site power generation by electricity users. In this context, distributed energy resources (DER)--small power generators typically located at users' sites where the energy (both electric and thermal) they generate is used--have emerged as a promising option to meet growing customer needs for electric power with an emphasis on reliability and power quality. The portfolio of DER includes generators, energy storage, load control, and, for certain classes of systems, advanced power electronic interfaces between the generators and the bulk power provider. This white paper proposes that the significant potential of smaller DER to meet customers' and utilities' needs can be best captured by organizing these resources into MicroGrids.

  2. Topology Detection in Microgrids with Micro-Synchrophasors

    E-Print Network [OSTI]

    Arghandeh, Reza; von Meier, Alexandra; Cavraro, Guido; Ruh, Monika; Andersson, Göran

    2015-01-01T23:59:59.000Z

    Network topology in distribution networks is often unknown, because most switches are not equipped with measurement devices and communication links. However, knowledge about the actual topology is critical for safe and reliable grid operation. This paper proposes a voting-based topology detection method based on micro-synchrophasor measurements. The minimal difference between measured and calculated voltage angle or voltage magnitude, respectively, indicates the actual topology. Micro-synchrophasors or micro-Phasor Measurement Units ({\\mu}PMU) are high-precision devices that can measure voltage angle differences on the order of ten millidegrees. This accuracy is important for distribution networks due to the smaller angle differences as compared to transmission networks. For this paper, a microgrid test bed is implemented in MATLAB with simulated measurements from {\\mu}PMUs as well as SCADA measurement devices. The results show that topologies can be detected with high accuracy. Additionally, topology detecti...

  3. Microgrid Design, Development and Demonstration - Final Report for Phase I and Phase II

    SciTech Connect (OSTI)

    Bose, Sumit; Krok, Michael

    2011-02-08T23:59:59.000Z

    This document constitutes GE’s final report for the Microgrid Design, Development and Demonstration program for DOE’s Office of Electricity Delivery and Energy Reliability, Award DE-FC02-05CH11349. It contains the final report for Phase I in Appendix I, and the results the work performed in Phase II. The program goal was to develop and demonstrate a Microgrid Energy Management (MEM) framework for a broad set of Microgrid applications that provides unified controls, protection, and energy management. This project contributed to the achievement of the U.S. Department of Energy’s Renewable and Distributed Systems Integration Program goals by developing a fully automated power delivery microgrid network that: - Reduces carbon emissions and emissions of other air pollutants through increased use of optimally dispatched renewable energy, - Increases asset use through integration of distributed systems, - Enhances reliability, security, and resiliency from microgrid applications in critical infrastructure protection, constrained areas of the electric grid, etc. - Improves system efficiency with on-site, distributed generation and improved economic efficiency through demand-side management.

  4. txH2O: Volume 5, Number 2 (Complete)

    E-Print Network [OSTI]

    Texas Water Resources Institute

    2009-01-01T23:59:59.000Z

    Supercinski Leslie Jordan Assistant Editors Texas Water Resources Institute Visit our Web site at http://twri.tamu.edu for more information and to subscribe to tx H2O On the cover: The Nueces River and Nueces Bay (pictured) is one of six priority... site at http://twri.tamu.edu for more information and to subscribe to tx H2O On the cover: The Nueces River and Nueces Bay (pictured) is one of six priority river basins for which a environmental flows regime will be established. Photo...

  5. txH20: Volume 7, Number 1 (Complete)

    E-Print Network [OSTI]

    Wythe, Kathy

    2011-01-01T23:59:59.000Z

    Plains Underground Conservation District No. 1, is created. Dallas City Council passes a resolution limiting lawn watering. President Eisenhower declares 244 of the state?s 254 counties as drought disaster counties. Heavy, general rains begin... is funded in part by the U.S. Geological Survey and authorized by the Water Resources Research Act. To subscribe to txH2O or New Waves, TWRI?s monthly e-mail newsletter, visit twri.tamu.edu. Follow us on Twitter at Twitter.com/TxWRI. InsideNeal Wilkins...

  6. txH20: Volume 7, Number 3 (Complete)

    E-Print Network [OSTI]

    Wythe, Kathy

    2012-01-01T23:59:59.000Z

    - based soil moisture data for calibration/ validation of remote sensing platforms in Oklahoma. Editor?s note: The stories in this issue of txH2O are examples of each stage of the research process, beginning with applied research, which... scale. ?We cannot do this using only one technique, so we assimilate data from various platforms, such as ground-level measurements at the #25;nest scale and remote sensing measurements up to the watershed, Fall 2012 tx H2O 11 Left photo...

  7. RAPID/Roadmap/11-TX-c | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov YouKizildere I GeothermalPotentialBiopowerSolidGenerationMethodInformation TexasTexas) Redirecta < RAPID‎TX-aTX-c

  8. A Framework for the Evaluation of the Cost and Benefits of Microgrids

    SciTech Connect (OSTI)

    Morris, Greg Young; Abbey, Chad; Joos, Geza; Marnay, Chris

    2011-07-15T23:59:59.000Z

    A Microgrid is recognized as an innovative technology to help integrate renewables into distribution systems and to provide additional benefits to a variety of stakeholders, such as offsetting infrastructure investments and improving the reliability of the local system. However, these systems require additional investments for control infrastructure, and as such, additional costs and the anticipated benefits need to be quantified in order to determine whether the investment is economically feasible. This paper proposes a methodology for systematizing and representing benefits and their interrelationships based on the UML Use Case paradigm, which allows complex systems to be represented in a concise, elegant format. This methodology is demonstrated by determining the economic feasibility of a Microgrid and Distributed Generation installed on a typical Canadian rural distribution system model as a case study. The study attempts to minimize the cost of energy served to the community, considering the fixed costs associated with Microgrids and Distributed Generation, and suggests benefits to a variety of stakeholders.

  9. Smart Energy Management and Control for Fuel Cell Based Micro-Grid Connected Neighborhoods

    SciTech Connect (OSTI)

    Dr. Mohammad S. Alam

    2006-03-15T23:59:59.000Z

    Fuel cell power generation promises to be an efficient, pollution-free, reliable power source in both large scale and small scale, remote applications. DOE formed the Solid State Energy Conversion Alliance with the intention of breaking one of the last barriers remaining for cost effective fuel cell power generation. The Alliance’s goal is to produce a core solid-state fuel cell module at a cost of no more than $400 per kilowatt and ready for commercial application by 2010. With their inherently high, 60-70% conversion efficiencies, significantly reduced carbon dioxide emissions, and negligible emissions of other pollutants, fuel cells will be the obvious choice for a broad variety of commercial and residential applications when their cost effectiveness is improved. In a research program funded by the Department of Energy, the research team has been investigating smart fuel cell-operated residential micro-grid communities. This research has focused on using smart control systems in conjunction with fuel cell power plants, with the goal to reduce energy consumption, reduce demand peaks and still meet the energy requirements of any household in a micro-grid community environment. In Phases I and II, a SEMaC was developed and extended to a micro-grid community. In addition, an optimal configuration was determined for a single fuel cell power plant supplying power to a ten-home micro-grid community. In Phase III, the plan is to expand this work to fuel cell based micro-grid connected neighborhoods (mini-grid). The economic implications of hydrogen cogeneration will be investigated. These efforts are consistent with DOE’s mission to decentralize domestic electric power generation and to accelerate the onset of the hydrogen economy. A major challenge facing the routine implementation and use of a fuel cell based mini-grid is the varying electrical demand of the individual micro-grids, and, therefore, analyzing these issues is vital. Efforts are needed to determine the most appropriate means of implementing micro-grids and the costs and processes involved with their extended operation. With the development and availability of fuel cell based stand-alone power plants, an electrical mini-grid, encompassing several connected residential neighborhoods, has become a viable concept. A primary objective of this project is to define the parameters of an economically efficient fuel cell based mini-grid. Since pure hydrogen is not economically available in sufficient quantities at the present time, the use of reforming technology to produce and store excess hydrogen will also be investigated. From a broader perspective, the factors that bear upon the feasibility of fuel cell based micro-grid connected neighborhoods are similar to those pertaining to the electrification of a small town with a localized power generating station containing several conventional generating units. In the conventional case, the town or locality would also be connected to the larger grid system of the utility company. Therefore, in the case of the fuel cell based micro-grid connected neighborhoods, this option should also be available. The objectives of this research project are: To demonstrate that smart energy management of a fuel cell based micro-grid connected neighborhood can be efficient and cost-effective;To define the most economical micro-grid configuration; and, To determine how residential micro-grid connected fuel cell(s) can contribute to America's hydrogen energy future.

  10. Control Strategies for Distributed Energy Resources to Maximize the Use of Wind Power in Rural Microgrids

    SciTech Connect (OSTI)

    Lu, Shuai; Elizondo, Marcelo A.; Samaan, Nader A.; Kalsi, Karanjit; Mayhorn, Ebony T.; Diao, Ruisheng; Jin, Chunlian; Zhang, Yu

    2011-10-10T23:59:59.000Z

    The focus of this paper is to design control strategies for distributed energy resources (DERs) to maximize the use of wind power in a rural microgrid. In such a system, it may be economical to harness wind power to reduce the consumption of fossil fuels for electricity production. In this work, we develop control strategies for DERs, including diesel generators, energy storage and demand response, to achieve high penetration of wind energy in a rural microgrid. Combinations of centralized (direct control) and decentralized (autonomous response) control strategies are investigated. Detailed dynamic models for a rural microgrid are built to conduct simulations. The system response to large disturbances and frequency regulation are tested. It is shown that optimal control coordination of DERs can be achieved to maintain system frequency while maximizing wind power usage and reducing the wear and tear on fossil fueled generators.

  11. Benefits of Multiple TX Powers Robustness to Beacon Node Failure

    E-Print Network [OSTI]

    Chen, Yiling

    the partial failure of the infrastructure. Our system, called MoteTrack, is based on low-power radios coupledAccuracy Benefits of Multiple TX Powers Robustness to Beacon Node Failure Introduction to a wide range of applications. For some, the location tracking system must continue to operate despite

  12. at Texas Tech University 1717 Norfolk Ave. Lubbock, TX 79416

    E-Print Network [OSTI]

    Zhang, Yuanlin

    in the South Plains allowing us to provide the most comprehensive retirement choice in West Texas. Why waitat Texas Tech University #12;1717 Norfolk Ave. · Lubbock, TX 79416 806.281.6200 · carillonlubbock, Betty Jennings, Mary Vines and Fred Wagner THE OFFICIAL RETIREMENT COMMUNITY OF TEXAS TECH ATHLETICS

  13. HASE'07 Panel 4a Dallas, TX Achieving High Assurance

    E-Print Network [OSTI]

    Tian, Jeff

    Jeff Tian (tian@engr.smu.edu) Southern Methodist University Dallas, Texas, USA Contents · HA Jeff Tian, SMU #12;HASE'07, Dallas, TX Slide. 2 Qualitative vs Quantification HA · Many aspects/subsystems. Performance: measurement/modeling. Analysis: statistical/other modeling Nov. 15, 2007 Jeff Tian, SMU #12;HASE

  14. CCM128 COMPUTAC ~AO II INFORMAC ~OES GERAIS

    E-Print Network [OSTI]

    Kohayakawa, Yoshiharu

    CCM128 COMPUTAC¸ ~AO II INFORMAC¸ ~OES GERAIS Bem-vindos `a edi¸c~ao do 1o. semestre de 2014 de CCM´aticos ser~ao sugeridos durante o semestre. Diferentemente de como foi em CCM118, os exerc´icios de CCM128ii/ccm128 Esta p´agina conter´a algum material de suporte para as aulas. Veja tamb´em o sistema Paca

  15. April 11, 2001 Presentation at BRC, Temple, TX. Hydrological Applications of

    E-Print Network [OSTI]

    April 11, 2001 Presentation at BRC, Temple, TX. Hydrological Applications of LST Derived from AVHRR;April 11, 2001 Presentation at BRC, Temple, TX. Outline · Introduction · All about LST · Model Modeling · Drought Indices (KBDI, PDSI) · Conclusion #12;April 11, 2001 Presentation at BRC, Temple, TX

  16. Analysis of electric vehicle interconnection with commercial building microgrids

    SciTech Connect (OSTI)

    Stadler, Michael; Mendes, Goncalo; Marnay, Chris; M& #233; gel, Olivier; Lai, Judy

    2011-04-01T23:59:59.000Z

    The outline of this presentation is: (1) global concept of microgrid and electric vehicle (EV) modeling; (2) Lawrence Berkeley National Laboratory's Distributed Energy Resources Customer Adoption Model (DER-CAM); (3) presentation summary - how does the number of EVs connected to the building change with different optimization goals (cost versus CO{sub 2}); (3) ongoing EV modeling for California: the California commercial end-use survey (CEUS) database, objective: 138 different typical building - EV connections and benefits; (4) detailed analysis for healthcare facility: optimal EV connection at a healthcare facility in southern California; and (5) conclusions. Conclusions are: (1) EV Charging/discharging pattern mainly depends on the objective of the building (cost versus CO{sub 2}); (2) performed optimization runs show that stationary batteries are more attractive than mobile storage when putting more focus on CO{sub 2} emissions. Why? Stationary storage is available 24 hours a day for energy management - more effective; (3) stationary storage will be charged by PV, mobile only marginally; (4) results will depend on the considered region and tariff - final work will show the results for 138 different buildings in nine different climate zones and three major utility service territories.

  17. A Virtual Laboratory for Micro-Grid Information and Communication Infrastructures

    E-Print Network [OSTI]

    Johansson, Karl Henrik

    for communication between distributed energy resources, building, substations, etc. To evaluate various ICT and substations; monitoring electricity consumption; adjusting the power consumption of household applications. Within the smart-grid design hierarchy, micro-grids represent localized power grids containing both

  18. Synchronization and Power Sharing for Droop-Controlled Inverters in Islanded Microgrids

    E-Print Network [OSTI]

    Bullo, Francesco

    - geneously composed of distributed generation, storage, load, and managed autonomously from the larger priSynchronization and Power Sharing for Droop-Controlled Inverters in Islanded Microgrids John W can be serviced without violating given actuation constraints. Moreover, we propose a distributed

  19. Effects of a carbon tax on microgrid combined heat and power adoption

    SciTech Connect (OSTI)

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

    2004-11-01T23:59:59.000Z

    This paper describes the economically optimal adoption and operation of distributed energy resources (DER) by a hypothetical California microgrid consisting of a group of commercial buildings over an historic test year, 1999. The optimization is conducted using a customer adoption model (DER-CAM) developed at Berkeley Lab and implemented in the General Algebraic Modeling System (GAMS). A microgrid is a semiautonomous grouping of electricity and heat loads interconnected to the existing utility grid (macrogrid) but able to island from it. The microgrid minimizes the cost of meeting its energy requirements (consisting of both electricity and heat loads) by optimizing the installation and operation of DER technologies while purchasing residual energy from the local combined natural gas and electricity utility. The available DER technologies are small-scale generators (< 500 kW), such as reciprocating engines, microturbines, and fuel cells, with or without combined heat and power (CHP) equipment, such as water and space heating and/or absorption cooling. By introducing a tax on carbon emissions, it is shown that if the microgrid is allowed to install CHP-enabled DER technologies, its carbon emissions are mitigated more than without CHP, demonstrating the potential benefits of small-scale CHP technology for climate change mitigation. Reciprocating engines with heat recovery and/or absorption cooling tend to be attractive technologies for the mild southern California climate, but the carbon mitigation tends to be modest compared to purchasing utility electricity because of the predominance of relatively clean central station generation in California.

  20. Microgrid Implementa1on Ge3ng (rela1vely) down and dirty

    E-Print Network [OSTI]

    Jesshope, Chris

    5/12/10 1 Microgrid Implementa1on Ge3ng (rela1vely) down and dirty The Big & Caches ­ Small caches; because of latency-tolerant architecture · Pipeline · Threads Cache Line · Control Bits read by Fetch Stage ­Switch, End · Register Info

  1. A Holonic Control Architecture for a Heterogeneous Multi-Objective Smart Micro-Grid

    E-Print Network [OSTI]

    Diaconescu, Ada

    A Holonic Control Architecture for a Heterogeneous Multi-Objective Smart Micro-Grid Sylvain Frey proposes a holonic control architecture to help meet these requirements. We show how this architecture can that the proposed architecture can facilitate the development of control solutions addressing the aforementioned

  2. An Automatic Load Sharing Approach for a DFIG Based Wind Generator in a Microgrid

    E-Print Network [OSTI]

    Pota, Himanshu Roy

    An Automatic Load Sharing Approach for a DFIG Based Wind Generator in a Microgrid M. A. Barik and H generator. An automatic load sharing approach for a doubly-fed induction generator (DFIG) based wind wind velocity. The load demand for the wind generator is determined based on the variation of its

  3. Community-Based Electric Micro-Grids Can Contribute to Rural Development: Evidence from Kenya

    E-Print Network [OSTI]

    Kammen, Daniel M.

    an ability to charge and enforce cost-reflective tariffs and when electricity consumption is closely linked and distribute electricity in rural areas (Government of Kenya, 2006). As an incentive measure, systems below 3Community-Based Electric Micro-Grids Can Contribute to Rural Development: Evidence from Kenya

  4. Vehicle to Micro-Grid: Leveraging Existing Assets for Reliable Energy Management (Poster)

    SciTech Connect (OSTI)

    Simpson, M.; Markel, T.; O'Keefe, M.

    2010-12-01T23:59:59.000Z

    Fort Carson, a United States Army installation located south of Colorado Springs, Colorado, is seeking to be a net-zero energy facility. As part of this initiative, the base will be constructing a micro-grid that ties to various forms of renewable energy. To reduce petroleum consumption, Fort Carson is considering grid-connected vehicles (GCVs) such as pure electric trucks to replace some of its on-base truck fleet. As the availability and affordability of distributed renewable energy generation options increase, so will the GCV options (currently, three all-electric trucks are available on the GSA schedule). The presence of GCVs on-base opens up the possibility to utilize these vehicles to provide stability to the base micro-grid. This poster summarizes work to estimate the potential impacts of three electric vehicle grid interactions between the electric truck fleet and the Fort Carson micro-grid: 1) full-power charging without management, 2) full-power charging capability controlled by the local grid authority, and 3) full-power charge and discharge capability controlled by the local grid authority. We found that even at relatively small adoption rates, the control of electric vehicle charging at Fort Carson will aid in regulation of variable renewable generation loads and help stabilize the micro-grid.

  5. Magnetic anisotropy in a permalloy microgrid fabricated by near-field optical lithography

    SciTech Connect (OSTI)

    Li, S. P.; Lebib, A.; Peyrade, D.; Natali, M.; Chen, Y.; Lew, W. S.; Bland, J. A. C.

    2001-07-01T23:59:59.000Z

    We report the fabrication and magnetic properties of permalloy microgrids prepared by near-field optical lithography and characterized using high-sensitivity magneto-optical Kerr effect techniques. A fourfold magnetic anisotropy induced by the grid architecture is identified. {copyright} 2001 American Institute of Physics.

  6. Smart Microgrid Demonstrator Dr. Wei-Jen Lee (wlee@uta.edu) (Funded by DOE)

    E-Print Network [OSTI]

    Texas at Arlington, University of

    and efficiency, lower cost of electric power #12;Advanced Metering Infrastructure Dr. Wei-Jen Lee (wlee reliability and efficiency, lower cost of electric power #12;Smart Microgrid Demonstrator Dr. Wei-Jen Lee (wlee@uta.edu) (Funded by DOE) ELECTRICAL ENGINEERING www.uta.edu/ee info@engineering.uta.edu COLLEGE

  7. Stability, Power Sharing, & Distributed Secondary Control in Droop-Controlled Microgrids

    E-Print Network [OSTI]

    Bullo, Francesco

    , heterogeneously composed of distributed generation, storage, load, and managed autonomously from the larger generation within a microgrid can be highly heterogeneous, including photovoltaic, wind, geother- mal, micro with a synchronous AC grid via power electronic DC/AC inverters. In islanded operation, it is through these inverters

  8. Demo Abstract: Toward Data-driven Demand-Response Optimization in a Campus Microgrid

    E-Print Network [OSTI]

    Prasanna, Viktor K.

    -driven demand response optimization (DR) in the USC campus microgrid, as part of the Los An- geles Smart Grid to interact with the consumers (or their software/hardware proxies). The Los Angeles Smart Grid Demonstration can later be scaled to a city power grid. Here, we describe our prototype software architecture

  9. Optimal power flow in microgrids using event-triggered optimization Pu Wan and Michael D. Lemmon

    E-Print Network [OSTI]

    Lemmon, Michael

    be accomplished through small micro- turbines and gas/diesel generators. Storage devices such as battery banks Abstract-- Microgrids are power generation and distribution systems in which users and generators are in close proximity. They usually have limited power generation capacity, and are networked together to meet

  10. A Micro-Grid Simulator Tool (SGridSim) using Effective Node-to-Node Complex Impedance (EN2NCI) Models

    SciTech Connect (OSTI)

    Udhay Ravishankar; Milos manic

    2013-08-01T23:59:59.000Z

    This paper presents a micro-grid simulator tool useful for implementing and testing multi-agent controllers (SGridSim). As a common engineering practice it is important to have a tool that simplifies the modeling of the salient features of a desired system. In electric micro-grids, these salient features are the voltage and power distributions within the micro-grid. Current simplified electric power grid simulator tools such as PowerWorld, PowerSim, Gridlab, etc, model only the power distribution features of a desired micro-grid. Other power grid simulators such as Simulink, Modelica, etc, use detailed modeling to accommodate the voltage distribution features. This paper presents a SGridSim micro-grid simulator tool that simplifies the modeling of both the voltage and power distribution features in a desired micro-grid. The SGridSim tool accomplishes this simplified modeling by using Effective Node-to-Node Complex Impedance (EN2NCI) models of components that typically make-up a micro-grid. The term EN2NCI models means that the impedance based components of a micro-grid are modeled as single impedances tied between their respective voltage nodes on the micro-grid. Hence the benefit of the presented SGridSim tool are 1) simulation of a micro-grid is performed strictly in the complex-domain; 2) faster simulation of a micro-grid by avoiding the simulation of detailed transients. An example micro-grid model was built using the SGridSim tool and tested to simulate both the voltage and power distribution features with a total absolute relative error of less than 6%.

  11. Microsoft Word - OE HEPS cybersecurity hearing May 31 2011_2...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    alone. In 2006, OE facilitated the development of the Roadmap to Secure Control Systems in the Energy Sector to provide a detailed collaborative plan for improving cyber...

  12. Application to Export Electric Energy OE Docket No. EA-403 Frontera...

    Energy Savers [EERE]

    LLC: Federal Register Notice, Volume 79, No. 207 - October 27, 2014 Application to Export Electric Energy OE Docket No. EA-403 Frontera Marketing, LLC: Federal Register Notice,...

  13. Application to Export Electric Energy OE Docket No. EA-375-A...

    Energy Savers [EERE]

    Corporation: Federal Register Notice, Volume 80, No. 80 - April 27, 2015 Application to Export Electric Energy OE Docket No. EA-375-A Rainbow Energy Marketing Corporation: Federal...

  14. Application for Presidental Permit OE Docket No. PP-230-4 Internationa...

    Office of Environmental Management (EM)

    Supplemental Filing - Extension of Comments: Federal Register Notice Volume 76, No. 187 - Sep. 27, 2011 Application for Presidental Permit OE Docket No. PP-230-4 International...

  15. Application to Export Electric Energy OE Docket No. EA-297-B...

    Office of Environmental Management (EM)

    Enterprises, Canada Ltd: Federal Register Notice Volume 76, No. 41 - Mar. 2, 2011 Application to Export Electric Energy OE Docket No. EA-297-B SESCO Enterprises, Canada Ltd:...

  16. Application to Export Electric Energy OE Docket No. EA-376 Societe...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Corp. Application from Societe Generale Energy Corp to export electric energy to Canada Application to Export Electric Energy OE Docket No. EA-376 Societe Generale Energy...

  17. Application to Export Electric Energy OE Docket No. EA-358 Twin...

    Office of Environmental Management (EM)

    Energy, LLC Application from Twin Cities Energy, LLC to export electric energy to Canada Application to Export Electric Energy OE Docket No, EA-358 Twin Cities Energy, LLC...

  18. Application to Export Electric Energy OE Docket No. EA-297-B...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Enterprises Canada Application to Export Electric Energy OE Docket No. EA-297-B SESCO Enterprises Canada Application of SESCO Enterprises Canada to export electric energy to...

  19. Application for presidential permit OE Docket No. PP-230-4 Internation...

    Office of Environmental Management (EM)

    Late Motion to Intervene of New York Transmission Owners Application for presidential permit OE Docket No. PP-230-4 International Transmission Company: Response to Late Motion to...

  20. Application for Presidential Permit OE Docket No. PP-230-4 Internation...

    Office of Environmental Management (EM)

    Letter from New York Transmission Owners Application for Presidential Permit OE Docket No. PP-230-4 International Transmission Company: Letter from New York Transmission Owners...

  1. Application for Presidental Permit OE Docket No. PP-230-4 Internationa...

    Broader source: Energy.gov (indexed) [DOE]

    permit OE Docket No. PP-230-4 International Transmission Company: Supplemental Comments of the Independent Electricity System Operator PP-230-4 International Transmission Company...

  2. Application to Export Electric Energy OE Docket No. EA-353 Boralex...

    Broader source: Energy.gov (indexed) [DOE]

    No. EA-353 Boralex Fort Fairfield LP More Documents & Publications EA-353 Boralex Ashland LP Application to Export Electric Energy OE Docket No. EA-353 Boralex Fort Fairfield...

  3. Application to export electric energy OE Docket No. EA-164-C...

    Broader source: Energy.gov (indexed) [DOE]

    Energy Commodities Group, Inc Application to Export Electric Energy OE Docket No. EA-353 Boralex Fort Fairfield LP & Boralex Ashland LP: Federal Register Notice Vol 74 No 151...

  4. Application to Export Electric Energy OE Docket No. EA-408 Nalcor...

    Broader source: Energy.gov (indexed) [DOE]

    No. 42 - March 4, 2015 Record of Categorical Exclusion (CX) Determination, Office of Electricty Delivery and Energy Reliability (OE): EA-408 Nalcor Energy Marketing Corporation...

  5. Application for Presidential Permit OE Docket No. PP-230-3 Internation...

    Office of Environmental Management (EM)

    ITCTransmission Application for presidential permit OE Docket No. PP-230-2 and PP-230-3 ITC Holdings Corporation Limited Partnership, International Transmission Company, and DTE...

  6. Application for presidential permit OE Docket No. PP-230-2 and...

    Office of Environmental Management (EM)

    presidential permit OE Docket No. PP-230-2 and PP-230-3 ITC Holdings Corporation Limited Partnership, International Transmission Company, and DTE Energy Company Application for...

  7. Application to Export Electric Energy OE Docket No. EA-403 Frontera...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    to Intervene of Electric Reliability Council of Texas, Inc (ERCOT) Application to Export Electric Energy OE Docket No. EA-403 Frontera Marketing, LLC - Motion to Intervene of...

  8. Application to Export Electric Energy OE Docket No. EA-216-C...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    . Canadian Electrical Association Comments Application to Export Electric Energy OE Docket No. EA-216-C TransAlta Energy Marketing (U.S) Inc . Canadian Electrical Association...

  9. Application to Export Electric Energy OE Docket No. EA-355 Scotia...

    Broader source: Energy.gov (indexed) [DOE]

    Scotia Capital Energyto export electric energy to Canada Application to Export Electric Energy OE Docket No EA-355 Scotia Capital Energy More Documents & Publications EA-355 Scotia...

  10. Application to Export Electric Energy OE Docket No. EA-401 Lonestar...

    Energy Savers [EERE]

    Marketing LLC: Request to Suspend Consideration of Application Application to Export Electric Energy OE Docket No. EA-401 Lonestar Power Marketing LLC: Request to Suspend...

  11. Application to Export Electric Energy OE Docket No. EA-408 Nalcor...

    Energy Savers [EERE]

    Federal Register Notice, Volume 80, No. 42 - March 4, 2015 Application to Export Electric Energy OE Docket No. EA-408 Nalcor Energy Marketing Corporation: Federal Register...

  12. Application to Export Electric Energy OE Docket No. EA-318-B...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    to Sierra's Club Response for Temporary Emergency Authorization Application to Export Electric Energy OE Docket No. EA-318-B AEP Energy Partners Inc: AEP Response to Sierra's...

  13. Application to Export Electric Energy OE Docket No. EA-289 Intercom...

    Energy Savers [EERE]

    Inc: Federal Register Notice Volume 76, No. 14 - Jan. 21 - 2011 Application to Export Electric Energy OE Docket No. EA-289 Intercom Energy, Inc: Federal Register Notice Volume...

  14. Application to Export Electric Energy OE Docket No. EA-258-C...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    C Brookfield Energy Marketing INC. Application to Export Electric Energy OE Docket No. EA-258-C Brookfield Energy Marketing INC. Application from Brookfield Energy Marketing INC....

  15. Application to Export Electric Energy OE Docket No. EA-264-C...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Inc.: Federal Register Notice, Volume 79, No. 116 - June 17, 2014 Application to Export Electric Energy OE Docket No. EA-264-C ENMAX Energy Marketing Inc.: Federal Register...

  16. Application to Export Electric Energy OE Docket No. EA-364-A...

    Energy Savers [EERE]

    Federal Register Notice, Volume 80, No. 42 - March 4, 2015 Application to Export Electric Energy OE Docket No. EA-364-A Noble Americas Gas & Power Corporation: Federal...

  17. Application to Export Electric Energy OE Docket No. EA-329 Sierra...

    Broader source: Energy.gov (indexed) [DOE]

    Sierra Power Asset Marketing, LLC to export electric energy to Canada Application to Export Electric Energy OE Docket No. EA-329 Sierra Power Asset Marketing, LLC More Documents &...

  18. Application to Export Electric Energy OE Docket No. EA-258-D...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Inc.: Federal Register Notice, Volume 78. No. 213 - Nov. 4, 2013 Application to Export Electric Energy OE Docket No. EA-258-D Brookfield Energy Marketing Inc.: Federal Register...

  19. Application to Export Electric Energy OE Docket No. EA-386 IPR...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Federal Register Notice, Volume 77, No. 129 - July 5, 2012 Application to Export Electric Energy OE Docket No. EA-386 IPR-GDF SUEZ Energy Marketing (GSEMNA): Federal...

  20. Application to Export Electric Energy OE Docket No. EA-296-A...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Federal Register Notice Volume 72, No. 158 - Aug. 16, 2007 Application to Export Electric Energy OE Docket No. EA-296-A Rainbow Energy Marketing Corporation: Federal...

  1. Application to Export Electric Energy OE Docket No. EA-363-A...

    Energy Savers [EERE]

    Federal Register Notice, Volume 80, No. 42 - March 4, 2015 Application to Export Electric Energy OE Docket No. EA-363-A Noble Americas Gas & Power Corporation: Federal...

  2. Application to Export Electric Energy OE Docket No. EA-306-A...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Solutions, Inc. Application to Export Electric Energy OE Docket No. EA-306-A MAG Energy Solutions, Inc. Application from MAG Energy Solutions, Inc. to export electric energy to...

  3. Application to Export Electric Energy OE Docket No. EA-390 Global...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    LLC.: Federal Register Notice, Volume 79, No. 9 - Jan. 14, 2014 Application to Export Electric Energy OE Docket No. EA-390 Global Pure Energy, LLC.: Federal Register Notice,...

  4. Application to Export Electric Energy OE Docket No. EA-164-C...

    Broader source: Energy.gov (indexed) [DOE]

    Constellation Energy Commodities Group, Inc to export electric energy to Canada. Application to Export Electric Energy OE Docket No. EA-164-C Constellation Energy Commodities...

  5. Application to Export Electric Energy OE Docket No. EA-401 Lonestar...

    Energy Savers [EERE]

    Federal Register Notice, Volume 79, No. 116 - June 17, 2014 Application to Export Electric Energy OE Docket No. EA-401 Lonestar Power Marketing LLC: Federal Register Notice, Volume...

  6. Application to Export Electric Energy OE Docket No. EA-360 Iberdrola...

    Broader source: Energy.gov (indexed) [DOE]

    Rnewables, Inc to export electric energy to Canada Application to Export Electric Energy OE Docket No. EA-360 Iberdrola Rnewables, Inc More Documents & Publications EA-360...

  7. Application to Export Electric Energy OE Docket No. EA-296-A...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Corporation Application to Export Electric Energy OE Docket No. EA-296-A Rainbow Energy Marketing Corporation Application from Rainbow Energy Marketing Corporation to export...

  8. Application to Export Electric Energy OE Docket No. EA-145-E...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Corporation Application to Export Electric Energy OE Docket No. EA-145-E Powerex Corporation Application from Powerex Corp to export electric energy to Mexico. EA-145-E Powerex...

  9. Application to export electric energy OE Docket No. EA-264-B...

    Broader source: Energy.gov (indexed) [DOE]

    Energy Marketing Inc to export electric energy to Canada. Application to export electric energy OE Docket No. EA-264-B ENMAX Energy Marketing Inc More Documents & Publications...

  10. Application to Export Electric Energy OE Docket No. EA-306-A...

    Broader source: Energy.gov (indexed) [DOE]

    Solutions to esport electric energy to Canada. Federal Register Notice. Application to Export Electric Energy OE Docket No. EA-3060-A MAG Energy Solutions, Federal Register Notice...

  11. Application to Export Electric Energy OE Docket No. EA-403 Frontera...

    Broader source: Energy.gov (indexed) [DOE]

    Marketing -Informational Filing.pdf More Documents & Publications Application to Export Electric Energy OE Docket No. EA-403 Frontera Marketing, LLC - Joint ERCOT and Frontera...

  12. Application to export electric energy OE Docket No. EA-249-B...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    9-B Exelon Generation Company LLC Application to export electric energy OE Docket No. EA-249-B Exelon Generation Company LLC Application from Exelon Generation Company LLC to...

  13. Application to Export Electric Energy OE Docket No. EA-388 TEC...

    Broader source: Energy.gov (indexed) [DOE]

    TEC Energy to export electric energy to Canada. Federal Register Notice. EA-388 TEC CN.pdf More Documents & Publications Application to Export Electric Energy OE Docket No....

  14. Application to Export Electric Energy OE Docket No. EA-368-A...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    LP: Federal Register Notice, Volume 80, No. 42 - March 4, 2015 Application to Export Electric Energy OE Docket No. EA-368-A Brookfield Energy Marketing LP: Federal Register...

  15. Application to Export Electric Energy OE Docket No. EA-257-D...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    : Federal Register Notice, Volume 79, No. 43 - March 5, 2014 Application to Export Electric Energy OE Docket No. EA-257-D Emera Energy Services, Inc.: Federal Register Notice,...

  16. Application to Export Electric Energy OE Docket No. EA-403 Frontera...

    Energy Savers [EERE]

    and Frontera Generation Limited Partnership Informational Filing Application to Export Electric Energy OE Docket No. EA-403 Frontera Marketing, LLC - Joint ERCOT and Frontera...

  17. Application to Export Electric Energy OE Docket No. EA-348 FPL...

    Broader source: Energy.gov (indexed) [DOE]

    FPL Energy Power Marketing, Inc. to export electric energy to Canada Application to Export Energy OE Docket No. EA-348 FPL Energy Power Marketing, Inc. More Documents &...

  18. Application to Export Electric Energy OE Docket No. EA-185-D...

    Energy Savers [EERE]

    Inc.: Federal Register Notice, Volume 80, No. 17 - Jan. 27, 2015 Amended Application for Presidential Permit OE Docket No. PP-398 Minnesota Power - Great Northern Transmission...

  19. Application for presidential permit OE Docket No. PP-230-4 Internation...

    Office of Environmental Management (EM)

    Response to Late Motion to Intervene from FirstEnergy Service Corporation Application for presidential permit OE Docket No. PP-230-4 International Transmission Company: Response to...

  20. Application for presidential permit OE Docket No. PP-230-4 Internation...

    Office of Environmental Management (EM)

    from PJM Interconnection LLC Application for presidential permit OE Docket No. PP-230-4 International Transmission Company: Response to Late Motion to Intervene from PJM...

  1. Application for Presidential Permit OE Docket No. PP-230-4 Internation...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Filing: Federal Register Notice Volume 76, No. 164 - Aug. 24, 2011 Application for Presidential Permit OE Docket No. PP-230-4 International Transmission Company - Notice of...

  2. Application for presidential permit OE Docket No. PP-230-4 Internation...

    Office of Environmental Management (EM)

    Petition to Intervene and Comments of Baltimore Gas and Electric Company Application for presidential permit OE Docket No. PP-230-4 International Transmission Company: Out of Time...

  3. Application for presidential permit OE Docket No. PP-230-4 Internation...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    to Comment, American Municipal Power and Old Dominion Electric Application for presidential permit OE Docket No. PP-230-4 International Transmission Company: Petition to...

  4. Application for Presidential Permit OE Docket No. PP-230-4 Internation...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Intervene and Request for Comment Period for NYISO Application for Presidential Permit OE Docket No. PP-230-4 International Transmission Company: Intervene and Request for Comment...

  5. Application for presidential permit OE Docket No. PP-230-4 Internation...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Comments of the Midwest Independent Transmission System Operator Application for presidential permit OE Docket No. PP-230-4 International Transmission Company:...

  6. Application for presidential permit OE Docket No. PP-230-4 Internation...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Federal Register Notice Volume 74, No. 26 - Feb. 10, 2009 Application for presidential permit OE Docket No. PP-230-4 International Transmission Company: Federal Register Notice...

  7. Application for presidential permit OE Docket No. PP-230-4 Internation...

    Broader source: Energy.gov (indexed) [DOE]

    Out of Time of The Detriot Edison Company More Documents & Publications Application for presidential permit OE Docket No. PP-230-4 International Transmission Company: Response to...

  8. Application for Presidential Permit OE Docket No. PP-230-4 Internation...

    Office of Environmental Management (EM)

    Comments of the Public Utilities Commission of Ohio Application for Presidential Permit OE Docket No. PP-230-4 International Transmission Company: Comments of the Public Utilities...

  9. Application for Presidential permit OE Docket No. PP-230-4 Internation...

    Office of Environmental Management (EM)

    Company: Comments of the Independent Electricity System Operator Application for Presidential permit OE Docket No. PP-230-4 International Transmission Company: Comments of...

  10. Application for Presidential Permit OE Docket No. PP-230-4 Internation...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    of Comments: Federal Register Notice Volume 76, No. 204 - Oct. 21, 2011 Application for Presidential Permit OE Docket No. PP-230-4 International Transmission Company:...

  11. Application for presidential permit OE Docket No. PP-230-4 Internation...

    Broader source: Energy.gov (indexed) [DOE]

    and maintain electric transmission facilities at the U.S-Canada border. Application for presidential permit OE Docket No. 230-4 International Transmission Company More Documents...

  12. Application for Presidential Permit OE Docket No. PP-230-4 Internation...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Comments of BGE on Supplemental Filing Application for Presidential Permit OE Docket No. PP-230-4 International Transmission Company: Comments of BGE on Supplemental Filing...

  13. Application for presidential permit OE Docket No. PP-230-4 Internation...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    American Municipal Power, Inc. and Old Dominion Electric Cooperative Application for presidential permit OE Docket No. PP-230-4 International Transmission Company: Response to...

  14. Application for presidential permit OE Docket No. PP-230-4 Internation...

    Office of Environmental Management (EM)

    and Comments Application for presidential permit OE Docket No. PP-230-4 International Transmission Company: Response to Late Motion to Intervene and Comments Answer of...

  15. Application for presidential permit OE Docket No. PP-230-4 Internation...

    Office of Environmental Management (EM)

    Supplemental Comments of the Independent Electricity System Operator Application for presidential permit OE Docket No. PP-230-4 International Transmission Company: Supplemental...

  16. Application for presidential permit OE Docket No. PP-230-4 Internation...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Reply Comments Application for presidential permit OE Docket No. PP-230-4 International Transmission Company: Reply Comments Reply Comments of International Transmission Company in...

  17. Application for Presidential Permit OE Docket No. PP-230-4 Internation...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    and Comment on behalf of The Public Utilities Commission of Ohio Application for Presidential Permit OE Docket No. PP-230-4 International Transmission Company: Motion to...

  18. 2011 Annual Planning Summary for Electricity Delivery and Energy Reliability (OE)

    Broader source: Energy.gov [DOE]

    The ongoing and projected Environmental Assessments and Environmental Impact Statements for 2011 and 2012 within the Office of Electricity Delivery and Energy Reliability (OE).

  19. Abstract--The concept of microgrid hierarchical control is presented recently. In this paper, a hierarchical scheme is

    E-Print Network [OSTI]

    Vasquez, Juan Carlos

    and reliability ·Integrating distributed power generation and storage ·Utilizing renewable energy resources1 1 Abstract-- The concept of microgrid hierarchical control is presented recently. In this paper comprises distributed generators (DGs) local controllers. The local controllers mainly consist of power

  20. txH2O: Volume 6, Number 1 (Complete)

    E-Print Network [OSTI]

    Texas Water Resources Institute

    2010-01-01T23:59:59.000Z

    , watershed coordinator and Extension program specialist, coordinate specific projects in the Lower Rio Grande Valley and the Pecos River Basin, respectively. The institute has established many partnerships that, in addition to the colleges, units... Parks and Wildlife Department (TPWD), U.S. Fish and Wildlife Service, Synergistic eradication Center?s First Project Tackles Invasive Plant at Treasured Lake txH2O | pg. 5 U.S. Army Corps of Engineers, NRCS, Cypress Valley Navigation District...

  1. txH20; Volume 6, Number 1 (Complete)

    E-Print Network [OSTI]

    Wythe, Kathy

    2010-01-01T23:59:59.000Z

    , watershed coordinator and Extension program specialist, coordinate specific projects in the Lower Rio Grande Valley and the Pecos River Basin, respectively. The institute has established many partnerships that, in addition to the colleges, units... Parks and Wildlife Department (TPWD), U.S. Fish and Wildlife Service, Synergistic eradication Center?s First Project Tackles Invasive Plant at Treasured Lake txH2O | pg. 5 U.S. Army Corps of Engineers, NRCS, Cypress Valley Navigation District...

  2. txH2O: Volume 3, Number 2 (Complete) 

    E-Print Network [OSTI]

    Texas Water Resources Institute

    2007-01-01T23:59:59.000Z

    H 2 Otx Fall 2007 A Publication of the Texas Water Resources Institute Texas Water Resources Institute | Texas Agricultural Experiment Station | Texas Cooperative Extension ?? ?? ?? ?? ?? ?? ?? In This Issue: MANAGING BACTERIA POLLUTION IN TEXAS... Kari Miller Assistant Editors Texas Water Resources Institute Visit our Web site at http://twri.tamu.edu for more information and to subscribe to tx H 2 O On the cover: Low-temperature electron micrograph of a cluster of E. coli bacteria. Each...

  3. OE/EIA-0272 The National Interim Energy Consumption Survey:

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level:Energy: Grid Integration Redefining What's Possible for Renewable Energy:Nanowire3627 FederalTransformers | Department of Energy OE272

  4. Microsoft Word - Form OE-781R Instructions.doc

    Office of Environmental Management (EM)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33Frequently Asked Questions forCheneyNovember S.Fluor-B&W OE-781R (3/88) Form Approved OMB

  5. Microsoft Word - OE AMI-SEC Requirements Document.doc

    Office of Environmental Management (EM)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33Frequently Asked Questions forCheneyNovember S.Fluor-B&W OE-781RCollaborative Utility Task

  6. Microsoft Word - OE Budget Testimony final 3-15

    Office of Environmental Management (EM)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33Frequently Asked Questions forCheneyNovember S.Fluor-B&W OE-781RCollaborative Utility

  7. Microsoft Word - OE Cyber Release 10 18 07.doc

    Office of Environmental Management (EM)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33Frequently Asked Questions forCheneyNovember S.Fluor-B&W OE-781RCollaborative UtilityFOR

  8. Microsoft Word - OE Hoffman SENR 030309consolidated final.doc

    Office of Environmental Management (EM)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33Frequently Asked Questions forCheneyNovember S.Fluor-B&W OE-781RCollaborative UtilityFOR 1 of

  9. Microsoft Word - OE NSTB MYP_FINAL 052108.doc

    Office of Environmental Management (EM)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33Frequently Asked Questions forCheneyNovember S.Fluor-B&W OE-781RCollaborative UtilityFOR

  10. Effect of Heat and Electricity Storage and Reliability on Microgrid Viability: A Study of Commercial Buildings in California and New York States

    E-Print Network [OSTI]

    Stadler, Michael

    2009-01-01T23:59:59.000Z

    vs. Short-Term Energy Storage Technologies Analysis, A Life-Storage Technologies”, ACEEE 2008 Summer Study on EnergyStorage Technologies on Microgrid Viability The Distributed Energy

  11. This document is a preprint of the final paper: Savaghebi, M.; Vasquez, J.C.; Jalilian, A.; Guerrero, J.M.; Tzung-Lin Lee; , "Selective harmonic virtual impedance for voltage source inverters with LCL filter in microgrids," Energy Conversion

    E-Print Network [OSTI]

    Vasquez, Juan Carlos

    ECENTLY, microgrids have been taken more attention in the power electronics research community due, a microgrid is defined as a group of distributed generators and energy storage systems which could operate, if the grid power quality is not good, the Microgrid Central Controller can decide to disconnect

  12. OE/ISER Releases Inaugural Issue of Energy Emergency Preparedness Quarterly (January 2012)

    Broader source: Energy.gov [DOE]

    The Infrastructure Security and Energy Restoration (ISER) Division of the Office of Electricity Delivery and Energy Reliability (OE) is publishing a new newsletter, the Energy Emergency Preparedness Quarterly, designed to briefly highlight a few of the OE/ISER energy preparedness activities that occur each quarter.

  13. txH2O: Volume 4, Number 1 (Complete)

    E-Print Network [OSTI]

    Texas Water Resources Institute

    2008-01-01T23:59:59.000Z

    developed about on-site conditions before a well was drilled and installed can be downloaded. ? U. S. Geological Survey?s Groundwater Data for the Nation program http://waterdata.usgs.gov/nwis/gw A variety of groundwater data, including information... at NASA?s Goddard Space Flight Center, Greenbelt, MD, using data from three different Earth-observing satellite instruments. The presence of the Moon in this image is an artistic addition. Inside volume 4 number 1, Winter 2008 tx H 2 O...

  14. txH20: Volume 7, Number 2 (Complete)

    E-Print Network [OSTI]

    Wythe, Kathy

    2012-01-01T23:59:59.000Z

    rapid and more complete than in other places where we may have a history of not fertilizing appropriately,? Redmon said. ?#31;e moisture part of it looks pre#30;y good. How much of a crop was destroyed is site-to- site speci#28;c.? Hay production...Life Research, the Texas AgriLife Extension Service and the Texas A&M University College of Agriculture and Life Sciences. TWRI is funded in part by the U.S. Geological Survey and authorized by the Water Resources Research Act. To subscribe to txH2O or New...

  15. Staubli TX-90XL robot qualification at the LLIHE.

    SciTech Connect (OSTI)

    Covert, Timothy Todd

    2010-10-01T23:59:59.000Z

    The Light Initiated High Explosive (LIHE) Facility uses a robotic arm to spray explosive material onto test items for impulse tests. In 2007, the decision was made to replace the existing PUMA 760 robot with the Staubli TX-90XL. A qualification plan was developed and implemented to verify the safe operating conditions and failure modes of the new system. The robot satisfied the safety requirements established in the qualification plan. A performance issue described in this report remains unresolved at the time of this publication. The final readiness review concluded the qualification of this robot at the LIHE facility.

  16. txH2O: Volume 6, Number 2 (Complete) 

    E-Print Network [OSTI]

    Texas Water Resources Institute

    2011-01-01T23:59:59.000Z

    drop in the bucket? Texas scientists on the real effects of the Deepwater Horizon oil spill 7 I Developing solutions for sustainable living?the Urban Living Laboratory The world?s largest ?living laboratory? for research on green living 10 I... 26 I Controlling invasive weed Center begins studying giant salvinia-eating weevils 28 I TWRI Briefs 2 tx H2O Winter 2011 Story by Leslie Lee Texas scientists on the real e#31;ects of the Deepwater Horizon oil spill Environmental disaster...

  17. txH20: Volume 6, Number 2 (Complete) 

    E-Print Network [OSTI]

    Wythe, Kathy

    2011-01-01T23:59:59.000Z

    drop in the bucket? Texas scientists on the real effects of the Deepwater Horizon oil spill 7 I Developing solutions for sustainable living?the Urban Living Laboratory The world?s largest ?living laboratory? for research on green living 10 I... 26 I Controlling invasive weed Center begins studying giant salvinia-eating weevils 28 I TWRI Briefs 2 tx H2O Winter 2011 Story by Leslie Lee Texas scientists on the real e#31;ects of the Deepwater Horizon oil spill Environmental disaster...

  18. txH2O: Volume 9, Number 1 (Complete)

    E-Print Network [OSTI]

    Wythe, Kathy

    2014-01-01T23:59:59.000Z

    , was integral in establishing the start of the EARIP project and served as the former program coordinator for EARIP. 10 txH2O Summer 2014 Story by Danielle Kalisek El Paso Water Utilities uses an infiltration or spreading basin to recharge the Hueco... needs. In the 2012 state water plan, accessing new sources of ground- water is projected to provide more than 800,000 acre-feet of water annually by 2060. With the growing water needs in the state and the continuing drought, many are predicting...

  19. txH2O: Volume 4, Number 3 (Complete) 

    E-Print Network [OSTI]

    Texas Water Resources Institute

    2008-01-01T23:59:59.000Z

    On the cover: The City of Kerrville stores excess water from the Guadalupe River in its Aquifer Storage and Recovery facility. Photo by Earl Nottingham, Texas Parks and Wildlife Department. C. Allan Jones Message from the Director Working to Make Every...Life. TWRI is funded in part by the U.S. Geological Survey and authorized by the Water Resources Research Act. To subscribe to tx H2O or New Waves, TWRI?s monthly e-mail newsletter, visit http://twri.tamu.edu. 2 I Saving for dry days Aquifer storage...

  20. EIS-0412: TX Energy, LLC, Industrial Gasification Facility Near Beaumont,

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels DataDepartment of Energy Your Density Isn't Your Destiny:Revised FindingDepartment of EnergyEnergyDepartment of Energy IntentTX

  1. RAPID/Roadmap/13-TX-a | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are beingZealand Jump to:Ezfeedflag Jump to:ID8/OrganizationTechProbSolutionsPublicQuanlightR3(2)3-AK-aNV-a <TX-a

  2. RAPID/Roadmap/5-TX-a | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are beingZealand Jump to:Ezfeedflag JumpID-f < RAPID‎ | Roadmap Jump to: navigation, searche <caMT-aNV-bTX-a

  3. RAPID/Roadmap/1-TX-a | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov YouKizildere I GeothermalPotentialBiopowerSolidGenerationMethodInformation TexasTexas) Redirect pageNV-a <TX-a <

  4. RAPID/Roadmap/11-TX-a | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov YouKizildere I GeothermalPotentialBiopowerSolidGenerationMethodInformation TexasTexas) Redirecta < RAPID‎TX-a <

  5. RAPID/Roadmap/11-TX-b | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov YouKizildere I GeothermalPotentialBiopowerSolidGenerationMethodInformation TexasTexas) Redirecta < RAPID‎TX-a

  6. RAPID/Roadmap/12-TX-a | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov YouKizildere I GeothermalPotentialBiopowerSolidGenerationMethodInformation TexasTexas)ID-a < RAPID‎ |TX-a <

  7. RAPID/Roadmap/15-TX-a | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov YouKizildere I GeothermalPotentialBiopowerSolidGenerationMethodInformatione < RAPID‎ | Roadmap JumpTX-a <

  8. RAPID/Roadmap/7-TX-c | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov YouKizildere I GeothermalPotentialBiopowerSolidGenerationMethodInformatione <RAPID/Roadmap/7-FD-k <TX-c <

  9. 2002 ~OE10 Chinese Journal of Liquid Crystals and Displays

    E-Print Network [OSTI]

    P : system on panel) ¸ø...­--L~¡£ ,¿¤,,,,§»fl ( SPC : solid2phase crystallization) ¡¢...·.../,,§»fl ( ELC~L­,",, , ­,,,,· ,¶l...~ø¨--»°fi·º¡££,,~ SPC TFT ¨·°°­......°i ,«° ¨­^¶¨, ,¶l§»fl´¶¨..." 600) ·´'l~ TFT ...�­¤ [2 ] ¡£......°i°°"·^»~¢ oe·¡£ TFT ~--°^¯£,,~ SPC TFT¡£«°...~¨­ª° © 1995-2005 Tsinghua

  10. Bulk Power System Dynamics and Control -VII, August 19-24, 2007, Charleston, South Carolina, USA Dynamics of a Microgrid Supplied by Solid Oxide Fuel Cells1

    E-Print Network [OSTI]

    Hiskens, Ian A.

    Dynamics of a Microgrid Supplied by Solid Oxide Fuel Cells1 Eric M. Fleming Ian A. Hiskens Department-- The paper presents a model for a solid oxide fuel cell (SOFC) stack operating at relatively low pressures. Keywords: Solid oxide fuel cells, microgrid dynamics, inverter control. I. INTRODUCTION Distributed

  11. Text of article published in IEEE Smart Grid, March 2012. http://smartgrid.ieee.org/march-2012/527-microgrids-an-emerging-technology-to-enhance-power-system-

    E-Print Network [OSTI]

    /527-microgrids-an-emerging-technology-to-enhance-power-system- reliability Title: Microgrids: An emerging solution to combat reduced power reliability Authors: Siddharth Suryanarayanan, Elias Kyriakides on the society. Such recent international events include: the major power outage in the San Diego area

  12. Assessment of the Economic Potential of Microgrids for Reactive Power Supply

    SciTech Connect (OSTI)

    Appen, Jan von; Marnay, Chris; Stadler, Michael; Momber, Ilan; Klapp, David; Scheven, Alexander von

    2011-05-01T23:59:59.000Z

    As power generation from variable distributed energy resources (DER) grows, energy flows in the network are changing, increasing the requirements for ancillary services, including voltage support. With the appropriate power converter, DER can provide ancillary services such as frequency control and voltage support. This paper outlines the economic potential of DERs coordinated in a microgrid to provide reactive power and voltage support at its point of common coupling. The DER Customer Adoption Model assesses the costs of providing reactive power, given local utility rules. Depending on the installed DER, the cost minimizing solution for supplying reactive power locally is chosen. Costs include the variable cost of the additional losses and the investment cost of appropriately over-sizing converters or purchasing capacitors. A case study of a large health care building in San Francisco is used to evaluate different revenue possibilities of creating an incentive for microgrids to provide reactive power.

  13. Accelerating the Customer-Driven Microgrid Through Real-Time Digital Simulation

    SciTech Connect (OSTI)

    I. Leonard; T. Baldwin; M. Sloderbeck

    2009-07-01T23:59:59.000Z

    Comprehensive design and testing of realistic customer-driven microgrids requires a high performance simulation platform capable of incorporating power system and control models with external hardware systems. Traditional non real-time simulation is unable to fully capture the level of detail necessary to expose real-world implementation issues. With a real-time digital simulator as its foundation, a high-fidelity simulation environment that includes a robust electrical power system model, advanced control architecture, and a highly adaptable communication network is introduced. Hardware-in-the-loop implementation approaches for the hardware-based control and communication systems are included. An overview of the existing power system model and its suitability for investigation of autonomous island formation within the microgrid is additionally presented. Further test plans are also documented.

  14. Added Value of Reliability to a Microgrid: Simulations of Three California Buildings

    SciTech Connect (OSTI)

    Marnay, Chris; Lai, Judy; Stadler, Michael; Siddiqui, Afzal

    2009-05-07T23:59:59.000Z

    The Distributed Energy Resources Customer Adoption Model is used to estimate the value an Oakland nursing home, a Riverside high school, and a Sunnyvale data center would need to put on higher electricity service reliability for them to adopt a Consortium for Electric Reliability Technology Solutions Microgrid (CM) based on economics alone. A fraction of each building's load is deemed critical based on its mission, and the added cost of CM capability to meet it added to on-site generation options. The three sites are analyzed with various resources available as microgrid components. Results show that the value placed on higher reliability often does not have to be significant for CM to appear attractive, about 25 $/kWcdota and up, but the carbon footprint consequences are mixed because storage is often used to shift cheaper off-peak electricity to use during afternoon hours in competition with the solar sources.

  15. SCOPES'05 Dallas, TX, Sept., 2005 Risk-Based Quality Improvement

    E-Print Network [OSTI]

    Tian, Jeff

    (tian@engr.smu.edu) Southern Methodist University Dallas, Texas, USA Contents · Quality, Reliability for ES Jeff Tian, SMU #12;SCOPES'05, Dallas, TX, Sept., 2005 Slide. 2 Quality, Reliability, and Risk 0. SE Panel: New SE Paradigms for ES Jeff Tian, SMU #12;SCOPES'05, Dallas, TX, Sept., 2005 Slide. 3 Risk

  16. CX-100 and TX-100 blade field tests.

    SciTech Connect (OSTI)

    Holman, Adam (USDA-Agriculture Research Service, Bushland, TX); Jones, Perry L.; Zayas, Jose R.

    2005-12-01T23:59:59.000Z

    In support of the DOE Low Wind Speed Turbine (LWST) program two of the three Micon 65/13M wind turbines at the USDA Agricultural Research Service (ARS) center in Bushland, Texas will be used to test two sets of experimental blades, the CX-100 and TX-100. The blade aerodynamic and structural characterization, meteorological inflow and wind turbine structural response will be monitored with an array of 75 instruments: 33 to characterize the blades, 15 to characterize the inflow, and 27 to characterize the time-varying state of the turbine. For both tests, data will be sampled at a rate of 30 Hz using the ATLAS II (Accurate GPS Time-Linked Data Acquisition System) data acquisition system. The system features a time-synchronized continuous data stream and telemetered data from the turbine rotor. This paper documents the instruments and infrastructure that have been developed to monitor these blades, turbines and inflow.

  17. Application to Export Electric Energy OE Docket No. EA-145-E...

    Broader source: Energy.gov (indexed) [DOE]

    78, No. 33 - Feb. 19, 2013 Application to Export Electric Energy OE Docket No. EA-338-A Shell Energy North America (US), L.P.: Federal Register Notice, Volume 78, No. 45 - March...

  18. Application to Export Electric Energy OE Docket No. EA-345-A...

    Broader source: Energy.gov (indexed) [DOE]

    78. No. 213 - Nov. 4, 2013 Application to Export Electric Energy OE Docket No. EA-338-A Shell Energy North America (US), L.P.: Federal Register Notice, Volume 78, No. 45 - March...

  19. Application to Export Electric Energy OE Docket No. EA-338-A...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    78, No. 45 - March 7, 2013 Application to Export Electric Energy OE Docket No. EA-338-A Shell Energy North America (US), L.P.: Federal Register Notice, Volume 78, No. 45 - March...

  20. Application to Export Electric Energy OE Docket No. EA-404 Chubu...

    Energy Savers [EERE]

    4 Chubu TT Energy Management Inc.: Federal Register Notice, Volume 80, No. 17 - Jan. 27, 2015 Application to Export Electric Energy OE Docket No. EA-404 Chubu TT Energy Management...

  1. Application to Export Electric Energy OE Docket No. EA-410 CWP...

    Energy Savers [EERE]

    Energy: Federal Register Notice, Volume 80, No. 80 - April 27, 2015 Application to Export Electric Energy OE Docket No. EA-410 CWP Energy: Federal Register Notice, Volume 80, No....

  2. Application to Export Electric Energy OE Docket No. EA-384 NRG...

    Office of Environmental Management (EM)

    LLC: Federal Register Notice Volume 77, No. 38 - Feb. 27, 2012 Application to Export Electric Energy OE Docket No. EA-384 NRG Power Marketing LLC: Federal Register Notice Volume...

  3. Application to Export Electric Energy OE Docket No. EA-406 Sempra...

    Office of Environmental Management (EM)

    Notice, Volume 80, No. 42 - March 4, 2015 Application to Export Electric Energy OE Docket No. EA-405 Del Norte Energy LLC: Federal Register Notice, Volume 80, No. 21 - Feb. 2, 2015...

  4. Application to Export Electric Energy OE Docket No. EA-405 Del...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    5 Del Norte Energy LLC: Federal Register Notice, Volume 80, No. 21 - Feb. 2, 2015 Application to Export Electric Energy OE Docket No. EA-405 Del Norte Energy LLC: Federal Register...

  5. Application to Export Electric Energy OE Docket No. EA-405 Del...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    405 Del Norte Energy LLC Application to Export Electric Energy OE Docket No. EA-405 Del Norte Energy LLC Application from Del Norte to export electric energy to Mexico. EA-405 Del...

  6. Application to Export Electric Energy OE Docket No. 326-A Citigroup...

    Office of Environmental Management (EM)

    326-A Citigroup Energy Canada ULC: Federal Register Notice, Volume 77, No. 75 - April 18, 2012 Application to Export Electric Energy OE Docket No. 326-A Citigroup Energy Canada...

  7. Application to Export Electric Energy OE Docket No. EA-356-A...

    Broader source: Energy.gov (indexed) [DOE]

    to Canada. Federal Register Notice. EA-356-A J P Morgan Commodities (CN).pdf More Documents & Publications Application to Export Electric Energy OE Docket No. EA-356-A J.P. Morgan...

  8. Application to Export Electric Energy OE Docket No. EA-356-A...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Application to Export Electric Energy OE Docket No. EA-356-A J.P. Morgan Commodities Canada Corporation Application from J.P. Morgan (JPMCCC) to export electric energy to Canada....

  9. Application to Export Electric Energy OE Docket No. EA-356 J...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    J.P. Morgan Commodities Canada Corporation Application to Export Electric Energy OE Docket No. EA-356 J.P. Morgan Commodities Canada Corporation Application from J.P. Morgan...

  10. Application to Export Electric Energy OE Docket No. EA-97-D Portland...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    103 - May 29, 2014 Application to Export Electric Energy OE Docket No. EA-97-D Portland General Electric Company: Federal Register Notice, Volume 79, No. 103 - May 29, 2014...

  11. Application to Export Electric Energy OE Docket No. EA-97-D Portland...

    Broader source: Energy.gov (indexed) [DOE]

    EA-97-D PGE (CN).pdf More Documents & Publications EA-97-D Portland General Electric Company Application to Export Electric Energy OE Docket No. EA-97-D Portland General Electric...

  12. OE Releases Third Issue of Energy Emergency Preparedness Quarterly (July 2012)

    Broader source: Energy.gov [DOE]

    The Office of Electricity Delivery and Energy Reliability (OE) has released the third issue of the Energy Emergency Preparedness Quarterly (EEPQ), designed to briefly highlight a few of the energy...

  13. OE Releases 2013 Issue 2 of Energy Emergency Preparedness Quarterly (April 2013)

    Broader source: Energy.gov [DOE]

    The Office of Electricity Delivery and Energy Reliability (OE) has released Volume 2, Issue 2 of the Energy Emergency Preparedness Quarterly (EEPQ), designed to briefly highlight a few of the energy preparedness activities that occur each quarter.

  14. OE Releases Second Issue of Energy Emergency Preparedness Quarterly (April 2012)

    Broader source: Energy.gov [DOE]

    The Office of Electricity Delivery and Energy Reliability (OE) has released the second issue of the Energy Emergency Preparedness Quarterly (EEPQ), designed to briefly highlight a few of the energy preparedness activities that occur each quarter.

  15. Application to export electric energy OE Docket No. EA-210-B...

    Broader source: Energy.gov (indexed) [DOE]

    LLC Application to export electric energy OE Docket No. EA-210-B PPL EnergyPlus, LLC Application from PPL EnergyPlus, LLC to export electric energy to Canada. Application to export...

  16. Application to export electric energy OE Docket No. EA-212-C...

    Broader source: Energy.gov (indexed) [DOE]

    Documents & Publications Application to export electric energy OE Docket No. EA-210-B PPL EnergyPlus, LLC: Federal Register Notice Volume 72, No. 118 - Jun. 20, 2010 Application...

  17. Application to export electric energy OE Docket No. EA-210-B...

    Broader source: Energy.gov (indexed) [DOE]

    72, No. 118 - Jun. 20, 2010 Application to export electric energy OE Docket No. EA-210-B PPL EnergyPlus, LLC: Federal Register Notice Volume 72, No. 118 - Jun. 20, 2010 Application...

  18. Application to Export Electric Energy OE Docket No. EA-352 NaturEner...

    Broader source: Energy.gov (indexed) [DOE]

    Docket No. EA-352 NaturEner Tie Line, LLC: Federal Register Notice Volume 74, No. 98 - May 22, 2009 Application to export electric energy OE Docket No. EA-210-B PPL EnergyPlus, LLC...

  19. Application to Export Electric Energy OE Docket No. EA-387 Energia...

    Broader source: Energy.gov (indexed) [DOE]

    C, LLC Application to Export Electric Energy OE Docket No. EA-387 Energia Renovable S.C, LLC Application from Energia Renovable to export electric to Mexico. EA-387 Energy...

  20. Application to Export Electric Energy OE Docket No. EA-402 Energia...

    Broader source: Energy.gov (indexed) [DOE]

    Energia Sierra Juarez U.S., LLC: Federal Register Notice, Volume 79, No. 122, June 25, 2014 Application to Export Electric Energy OE Docket No. EA-387 Energia Renovable S.C, LLC...

  1. Application to Export Electric Energy OE Docket No. EA-336-A...

    Broader source: Energy.gov (indexed) [DOE]

    More Documents & Publications EA-336-A ConocoPhillips Company EA-336 ConocoPhillips Company Application to Export Electric Energy OE Docket No. EA-387 Energia Renovable S.C, LLC...

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    Broader source: Energy.gov (indexed) [DOE]

    & Publications EA-348-B NextEra Energy Power Marketing, LLC Application to Export Electric Energy OE Docket No. EA-348-B NextEra Energy Power Marketing, LLC.: Federal...

  3. Application to Export Electric Energy OE Docket No. EA-385 Dynasty...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Inc: Federal Register Notice, Volume 77, No. 129 - July 5, 2012 Application to Export Electric Energy OE Docket No. EA-385 Dynasty Power, Inc: Federal Register Notice, Volume 77,...

  4. Application to Export Electric Energy OE Docket No. EA-328-A...

    Broader source: Energy.gov (indexed) [DOE]

    Svcs. to export electric energy to Canada. EA-328-A RBC Energy (CN).pdf More Documents & Publications EA-328-A RBC Energy Services LP Application to Export Electric Energy OE...

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    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Application to Export Electric Energy OE Docket No. EA-359 Louis Dreyfus Energy Services L.P. Application from Louis Dreyfus Energy Services L.P. to export electric energy to...

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    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    LLC Application to Export Electric Energy OE Docket No. EA-384 NRG Power Marketing LLC Application from NRG Power Mktg to export electric energy to Mexico. EA-384 NRG Power Mktg...

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    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Application to Export Electric Energy OE Docket No. EA-287-B Emera Energy U.S. Subsidiary No. 1, Inc. Application from Emera Energy (EE US No. 1) to export electric energy to...

  8. Application to Export Electric Energy OE Docket No. EA-363-A...

    Energy Savers [EERE]

    Corporation Application to Export Electric Energy OE Docket No. EA-363-A Noble Americas Gas & Power Corporation Application from NAG&P to export electric energy to Mexico. EA-363-A...

  9. Application to export electric energy OE Docket No. EA-315-A...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Energy: Federal Register Notice Volume 76, No. 217 - Nov. 9, 2011 Application to export electric energy OE Docket No. EA-315-A BP Energy: Federal Register Notice Volume 76, No. 217...

  10. Application to Export Electric Energy OE Docket No. EA-211-C...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Inc: Federal Register Notice, Volume 77, No. 50 -March 14, 2012 Application to Export Electric Energy OE Docket No. EA-211-C DTE Energy Trading Inc: Federal Register Notice, Volume...

  11. Application to Export Electric Energy OE Docket No. EA-393 Emera...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    LLC: Federal Register Notice, Volume 79, No. 55 - March 21, 2014 Application to Export Electric Energy OE Docket No. EA-393 Emera Energy Services Subsidiary No. 8 LLC: Federal...

  12. Application to Export Electric Energy OE Docket No. EA-350 Saracen...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    0 Saracen Power LLC Application to Export Electric Energy OE Docket No. EA-350 Saracen Power LLC Application from Saracen Power LLC to export electric energy to Canada Application...

  13. Application to Export Electric Energy OE Docket No. EA-407 Vitol...

    Energy Savers [EERE]

    : Federal Register Notice, Volume 80, No. 42 - March 4, 2015 Application to Export Electric Energy OE Docket No. EA-407 Vitol Inc.: Federal Register Notice, Volume 80, No. 42 -...

  14. Application to export electric energy OE Docket No. EA-216-C...

    Broader source: Energy.gov (indexed) [DOE]

    Application from TransAlta Energy Marketing (U.S) Inc to export electric energy to Canada. Application to export electric energy OE Docket No. EA-216-C TransAlta Energy Marketing...

  15. Application to Export Electric Energy OE Docket No. EA-392 Emera...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    LLC Application to Export Electric Energy OE Docket No. EA-392 Emera Energy Services Subsidiary No. 7 LLC Application from Emera Energy (EESS-7) to export electric energy to...

  16. Application to Export Electric Energy OE Docket No. EA-393 Emera...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    LLC Application to Export Electric Energy OE Docket No. EA-393 Emera Energy Services Subsidiary No. 8 LLC Application from Emera Energy (EESS-8) to export electric energy to...

  17. Application to Export Electric Energy OE Docket No. EA-321-A...

    Broader source: Energy.gov (indexed) [DOE]

    Emera to export electric energy to Canada. Federal Register Notice. EA-321-A to EA-325-A Emera CN.pdf More Documents & Publications Application to Export Electric Energy OE Docket...

  18. Application to export electric energy OE Docket No. EA-314-A...

    Broader source: Energy.gov (indexed) [DOE]

    Notice. EA-314-A BP EnergyMX..pdf More Documents & Publications Application to export electric energy OE Docket No. EA-315-A BP Energy: Federal Register Notice Volume 76, No....

  19. Application to Export Electric Energy OE Docket No. EA-354 Endure...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Application to Export Electric Energy OE Docket No. EA-354 Endure Energy, L.L.C. Application from Endure Energy, L.L.C. to export electric energy to Canada Application to Export...

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    Broader source: Energy.gov (indexed) [DOE]

    WSPP Inc. to export electric energy to Canada. Federal Register Notice. EA-98-M WSPP CN.pdf More Documents & Publications Application to Export Electric Energy OE Docket No....