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1

EIS-0107: Mead-Phoenix +500-kV Direct Current Transmission Line  

Broader source: Energy.gov [DOE]

The U.S. Department of Energy’s Western Area Power Administration (WAPA) prepared this statement to analyze the potential environmental and socioeconomic impacts arising from WAPA and regional project sponsors’ proposal to construct a 500 kilovolt (kV) alternating current (AC) transmission line with the capability to be upgraded later to 500kV direct current (DC), connecting the Westwing Substation, located north of Phoenix, Arizona, with a new McCullough II Substation, located approximately 14 miles west of Boulder City, Nevada. This statement modifies a previously prepared federal statement from which the participants' election to proceed had not occurred at the time this statement was prepared.

2

EIS-0450: TransWest Express 600 kV Direct Current Transmission Project in Wyoming, Colorado, Utah, and Nevada  

Broader source: Energy.gov [DOE]

This EIS, being prepared jointly by DOE’s Western Area Power Administration and the Department of the Interior’s Bureau of Land Management (Wyoming State Office), evaluates the environmental impacts of granting a right-of-way for the TransWest Express 600-kilovolt Direct Current Transmission Project and amending a land use plan. The project consists of an overhead transmission line that would extend approximately 725 miles from south-central Wyoming, through Colorado and Utah. Western proposes to be a joint owner of the project.

3

Solid-State Fault Current Limiter Development : Design and Testing Update of a 15kV SSCL Power Stack  

SciTech Connect (OSTI)

ABSTRACT The Solid-State Fault Current Limiter (SSCL) is a promising technology that can be applied to utility power delivery systems to address the problem of increasing fault currents associated with load growth. As demand continues to grow, more power is added to utility system either by increasing generator capacity or by adding distributed generators, resulting in higher available fault currents, often beyond the capabilities of the present infrastructure. The SSCL is power-electronics based equipment designed to work with the present utility system to address this problem. The SSCL monitors the line current and dynamically inserts additional impedance into the line in the event of a fault being detected. The SSCL is based on a modular design and can be configured for 5kV through 69kV systems at nominal current ratings of 1000A to 4000A. Results and Findings This report provides the final test results on the development of 15kV class SSCL single phase power stack. The scope of work included the design of the modular standard building block sub-assemblies, the design and manufacture of the power stack and the testing of the power stack for the key functional tests of continuous current capability and fault current limiting action. Challenges and Objectives Solid-State Current Limiter technology impacts a wide spectrum of utility engineering and operating personnel. It addresses the problems associated with load growth both at Transmission and Distribution class networks. The design concept is pioneering in terms of developing the most efficient and compact power electronics equipment for utility use. The initial test results of the standard building blocks are promising. The independent laboratory tests of the power stack are promising. However the complete 3 phase system needs rigorous testing for performance and reliability. Applications, Values, and Use The SSCL is an intelligent power-electronics device which is modular in design and can provide current limiting or current interrupting capabilities. It can be applied to variety of applications from distribution class to transmission class power delivery grids and networks. It can also be applied to single major commercial and industrial loads and distributed generator supplies. The active switching of devices can be further utilized for protection of substation transformers. The stress on the system can be reduced substantially improving the life of the power system. It minimizes the voltage sag by speedy elimination of heavy fault currents and promises to be an important element of the utility power system. DOE Perspective This development effort is now focused on a 15kV system. This project will help mitigate the challenges of increasing available fault current. DOE has made a major contribution in providing a cost effective SSCL designed to integrate seamlessly into the Transmission and Distribution networks of today and the future. Approach SSCL development program for a 69kV SSCL was initiated which included the use of the Super GTO advanced semiconductor device which won the 2007 R&D100 Award. In the beginning, steps were identified to accomplish the economically viable design of a 69kV class Solid State Current Limiter that is extremely reliable, cost effective, and compact enough to be applied in urban transmission. The prime thrust in design and development was to encompass the 1000A and the 3000A ratings and provide a modular design to cover the wide range of applications. The focus of the project was then shifted to a 15kV class SSCL. The specifications for the 15kV power stack are reviewed. The design changes integrated into the 15kV power stack are discussed. In this Technical Update the complete project is summarized followed by a detailed test report. The power stack independent high voltage laboratory test requirements and results are presented. Keywords Solid State Current Limiter, SSCL, Fault Current Limiter, Fault Current Controller, Power electronics controller, Intelligent power-electronics Device, IED

Dr. Ram Adapa; Mr. Dante Piccone

2012-04-30T23:59:59.000Z

4

Current Direct Neutrino Mass Experiments  

E-Print Network [OSTI]

In this contribution we review the status and perspectives of direct neutrino mass experiments. These experiments investigate the kinematics of $\\beta$-decays of specific isotopes ($^3$H, $^{187}$Re, $^{163}$Ho) to derive model-independent information on the averaged electron (anti-) neutrino mass, which is formed by the incoherent sum of the neutrino mass eigenstates contributing to the electron neutrino. We first review the kinematics of $\\beta$-decay and the determination of the neutrino mass, before giving a brief overview of past neutrino mass measurements (SN1987a-ToF studies, Mainz and Troitsk experiments for $^3$H, cryo-bolometers for $^{187}$Re). We then describe the Karlsruhe Tritium Neutrino (KATRIN) experiment which is currently under construction at Karlsruhe Institute of Technology. The large-scale setup will use the MAC-E-Filter principle pioneered earlier to push the sensitivity down to a value of 200 meV(90% C.L.). KATRIN faces many technological challenges that have to be resolved with regar...

Drexlin, G; Mertens, S; Weinheimer, C

2013-01-01T23:59:59.000Z

5

Testing of a 50 kA, 50 kV current interrupter with I sup 2 t preheating and long recovery voltage  

SciTech Connect (OSTI)

The Confinement Physics Research Facility (CPRF) presently being constructed at Los Alamos in a next generation Reversed Field Pinch (RFP) plasma experiment. An inductive energy transfer system, employing a 50 kA, 50 kV dc current interrupter, is being utilized for initiating the plasma current. These performance requirements (50 kA, 50 kV) had yet to be realized in a reliable switching system, development of this current interrupter system was initiated. A switch test bay with a 50 kA battery bank has been built at Los Alamos to test the interrupter in conditions which will exist in the CPRF experiment. Many switch parameters were measured to provide information on the current interrupting characteristics and reliability. Some of these diagnostics include voltage, current, pre and post I{sup 2}t contact resistance, opening speed and position, arc voltage, and stem temperature. To determine any long term changes, all shots and data channels are computer indexed, and may be easily recalled for review. Extensive testing was performed on Siemens D-10 vacuum interrupter. Test parameter space included 55 kA, 40 kV (per bottle); di/dt of 2250 A/{mu}s, I{sup 2}t of 5 {times} 10{sup 9} amp{sup 2} sec; and 20 kV-200 msec RC recovery decay. Circuit parameters effect opening reliability. Circuit data and the associated testing results will be presented along with long term trends of switch performance under normal'' conditions. 12 figs.

Reass, W.A.; Boenig, H.J.; Melton, J.G. (Los Alamos National Lab., NM (USA))

1989-01-01T23:59:59.000Z

6

EIS-0103: New England/Hydro-Quebec 450-kV Direct Current Transmission Line Interconnection  

Broader source: Energy.gov [DOE]

The Economic Regulatory Administration prepared this statement to evaluate the environmental impacts of the construction, maintenance and operation of a 57-mile transmission line from Monroe, New Hampshire, to the U.S./Canadian border for the purpose of economic exchange of power and increased reliability.

7

Hybrid high direct current circuit interrupter  

DOE Patents [OSTI]

A device and a method are disclosed for interrupting very high direct currents (greater than 100,000 amperes) and simultaneously blocking high voltages (greater than 600 volts). The device utilizes a mechanical switch to carry very high currents continuously with low loss and a silicon controlled rectifier (SCR) to bypass the current around the mechanical switch while its contacts are separating. A commutation circuit, connected in parallel with the SCR, turns off the SCR by utilizing a resonant circuit to divert the SCR current after the switch opens. 7 figs.

Rockot, J.H.; Mikesell, H.E.; Jha, K.N.

1998-08-11T23:59:59.000Z

8

Ferrosilicon smelting in a direct current furnace  

DOE Patents [OSTI]

The present invention is a process for smelting ferrosilicon alloy. The process comprises adding a carbon source and tailings comprising oxides of silicon and iron to a substantially closed furnace. Heat is supplied to the furnace by striking a direct current arc between a cathode electrode and an anode functional hearth. In a preferred embodiment of the present invention, the cathode electrode is hollow and feed to the substantially closed furnace is through the hollow electrode. 1 figure.

Dosaj, V.D.; May, J.B.

1992-12-29T23:59:59.000Z

9

Soft-commutated direct current motor  

DOE Patents [OSTI]

A method and circuit is disclosed for soft-commutation of a direct current (DC) motor. An attenuation circuit is connected through auxiliary brushes A, A[prime], B and B[prime] to the commutator (16) to drain circuit from successive armature coils (15) before the main brushes (27, 28) disconnects from each of the coils (15). This prevents the spark generation that normally occurs in conventional DC motors. The attenuation circuit may also be connected before energization of the coil (15) for a soft turning on operation. 13 figs.

Hsu, J.S.

1999-07-27T23:59:59.000Z

10

anodal direct current: Topics by E-print Network  

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

a model is (more) Bridges, Nathaniel Reese 2011-01-01 15 Design of Reactances and Transformers Which Carry Direct Current Engineering Websites Summary: Design of Reactances and...

11

Direct-Current Resistivity Survey At Blue Mountain Area (Fairbank...  

Open Energy Info (EERE)

Blue Mountain Area (Fairbank Engineering Ltd, 2005) Exploration Activity Details Location Blue Mountain Area Exploration Technique Direct-Current Resistivity Survey Activity Date...

12

Direct-Current Resistivity At Cove Fort Area - Liquid (Warpinski...  

Open Energy Info (EERE)

Warpinski, Et Al., 2004) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Direct-Current Resistivity At Cove Fort Area - Liquid (Warpinski, Et...

13

Direct-Current Resistivity Survey At Mauna Loa Northeast Rift...  

Open Energy Info (EERE)

Mauna Loa Northeast Rift Area (Thomas, 1986) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Direct-Current Resistivity Survey At Mauna Loa...

14

A 4000-A HVDC (high-voltage direct-current) circuit breaker with fast fault-clearing capability: Final report  

SciTech Connect (OSTI)

This project is a follow-up of the first development of a 500 kV HVDC airblast circuit breaker (EPRI project 1507-3). The objective was to increase the current interrupting capability from 2200 A to 4000 A and shorten its fault clearing time. A high current 500 kV HVDC circuit breaker has been built using the passive commutation circuit. The breaker is modular in construction and can be designed for a wide variety of system conditions. More than 400 current interruptions were carried out successfully. Tests have shown that this circuit breaker is capable of interrupting more than 4000 A dc. Practical breakers with current interrupting capability of even 5500 A dc could be built. The circuit breaker operation and the fault-clearing process can be materially speeded up if the trip signal is given as soon as the fault is detected and without waiting for the current levels to come down in response to converter control action. The new dc breakers are shown to be capable of withstanding these transient arc currents of 8000 A without affecting its ability to interrupt the direct current that follows the transient. This transient current withstand capability is greater than is likely to occur during dc faults. The fault clearing time of this HVDC circuit breaker is comparable to the fault clearing time of conventional ac breakers for ac faults. The developed HVDC circuit breaker is now commercially available and can be supplied for use in HVDC systems. Its use in such systems is expected to provide flexibility in system design and contribute to system stability. 38 refs., 52 figs., 9 tabs.

Not Available

1988-04-01T23:59:59.000Z

15

Soft commutated direct current motor [summary of proposed paper  

SciTech Connect (OSTI)

A novel soft commutated direct current (DC) motor is introduced. The current of the commutated coil is intentionally drained before the brush disconnects the coil. This prevents the spark generation that normally occurs in conventional DC motors. A similar principle can be applied for DC generators.

Hsu, John S.

1998-10-22T23:59:59.000Z

16

Direct current uninterruptible power supply method and system  

DOE Patents [OSTI]

A method and system are described for providing a direct current (DC) uninterruptible power supply with the method including, for example: continuously supplying fuel to a turbine; converting mechanical power from the turbine into alternating current (AC) electrical power; converting the AC electrical power to DC power within a predetermined voltage level range; supplying the DC power to a load; and maintaining a DC load voltage within the predetermined voltage level range by adjusting the amount of fuel supplied to the turbine.

Sinha, Gautam

2003-12-02T23:59:59.000Z

17

Author's Copy: J.B. Bancroft, A. Morrison, G. Lachapelle, Validation of GNSS under 500,000 V Direct Current (DC) transmission lines, Computers and Electronics in Agriculture, Volume 83, April 2012, Pages 58-67, ISSN 0168-1699, 10.1016/j.compag.2012.01.013  

E-Print Network [OSTI]

masking by the towers. Tests were conducted under a set of three transmission lines, two 500 kV DC lines Current (DC) transmission lines, Computers and Electronics in Agriculture, Volume 83, April 2012, Pages 58 Validation of GNSS under 500,000 Volt Direct Current (DC) Transmission Lines J.B. Bancroft*, A. Morrison

Calgary, University of

18

Predicting Air Quality: Current Status and Future Directions  

E-Print Network [OSTI]

Predicting Air Quality: Current Status and Future Directions Gregory R. Carmichael ,a Adrian Sandu, OR 97207, USA Abstract Air quality prediction plays an important role in the management of our envi can predict pollution in an urban air shed with spatial resolution less than a kilometer, and cover

Sandu, Adrian

19

Transformer coupling for transmitting direct current through a barrier  

DOE Patents [OSTI]

The transmission system for transmitting direct current from an energy source on one side of an electrical and mechanical barrier to a load on the other side of the barrier utilizes a transformer comprising a primary core on one side of the transformer and a secondary core on the other side of the transformer. The cores are magnetically coupled selectively by moving a magnetic ferrite coupler in and out of alignment with the poles of the cores. The direct current from the energy source is converted to a time varying current by an oscillating circuit, which oscillating circuit is optically coupled to a secondary winding on the secondary core to interrupt oscillations upon the voltage in the secondary winding exceeding a preselected level. 4 figs.

Brown, R.L.; Guilford, R.P.; Stichman, J.H.

1987-06-29T23:59:59.000Z

20

Transformer coupling for transmitting direct current through a barrier  

DOE Patents [OSTI]

The transmission system for transmitting direct current from an energy source on one side of an electrical and mechanical barrier to a load on the other side of the barrier utilizes a transformer comprising a primary core on one side of the transformer and a secondary core on the other side of the transformer. The cores are magnetically coupled selectively by moving a magnetic ferrite coupler in and out of alignment with the poles of the cores. The direct current from the energy source is converted to a time varying current by an oscillating circuit, which oscillating circuit is optically coupled to a secondary winding on the secondary core to interrupt oscillations upon the voltage in the secondary winding exceeding a preselected level.

Brown, Ralph L. (Albuquerque, NM); Guilford, Richard P. (Albuquerque, NM); Stichman, John H. (Albuquerque, NM)

1988-01-01T23:59:59.000Z

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


21

A charge-pump 60kV modulator for the ISOLDE target extraction voltage  

E-Print Network [OSTI]

The ISOLDE facility at CERN provides radioactive ion beams to a number of experimental stations. These ions are produced by a metal target, floating at 60 kV, which is impacted by a 1.4 GeV high intensity proton beam. The ions are then accelerated by a grounded extraction electrode to 60 keV, before transport to the experimental area. During proton beam impact extremely high ionisation of the volume around the target gives rise to significant leakage current which results in loss of charge on the effective target capacitance of approximately 6 nF. If short life-time isotopes are to be studied, the 60 kV must be re-established within a maximum of 10 ms. Recharging the target capacitance to 60 kV and to the required stability of better than 10-4 precludes a direct charging system and an alternative method of re-establishing the 60 kV is used. The present system [1], in operation since 1991, employs a resonant circuit which is triggered 35 µs prior to beam impact. This circuit transfers the charge on the effec...

Barlow, R A; Fowler, A; Gaudillet, H; Gharsa, T; Schipper, J

2015-01-01T23:59:59.000Z

22

Summary of multiterminal high-voltage direct current transmission technology  

SciTech Connect (OSTI)

This report summarizes the present state of multiterminal (MT) high-voltage direct current (HVDC) power transmission. The purpose is to reassess the need for HVDC circuit breakers and to identify needed research for MT HVDC. The fundamentals of this technology are presented, and previous research and development is reviewed. Although no MT HVDC systems have yet been built, many concepts have been proposed. Some require a dc breaker, and others do not. Both options have advantages and disadvantages for various applications, so the selection will depend on the proposed application. Research is needed to define operating characteristics of various MT HVDC systems. In some applications, dc breakers will be useful, so research into HVDC interruption should continue. Also, dc fault detection and control algorithms for MT systems should be studied.

Biggs, R.B.; Jewell, W.T.

1984-05-01T23:59:59.000Z

23

Direct-current-like Phase Space Manipulation Using Chirped Alternating Current Fields  

SciTech Connect (OSTI)

Waves in plasmas can accelerate particles that are resonant with the wave. A dc electric field also accelerates particles, but without a resonance discrimination, which makes the acceleration mechanism profoundly different. Whereas wave-particle acceleration mechanisms have been widely discussed in the literature, this work discusses the direct analogy between wave acceleration and dc field acceleration in a particular parameter regime explored in previous works. Apart from the academic interest of this correspondence, there may be practical advantages in using waves to mimic dc electric fields, for example, in driving plasma current with high efficiency.

P.F. Schmit and N.J. Fisch

2010-02-01T23:59:59.000Z

24

Hardware model of a shipboard zonal electrical distribution system (ZEDS) : alternating current/direct current (AC/DC)  

E-Print Network [OSTI]

A hardware model of a shipboard electrical distribution system based on aspects of the DDG 51 Flight IIA, Arleigh Burke class, 60Hz Alternating Current (AC) and the future direct current (DC), zonal electrical distribution ...

Tidd, Chad N. (Chad Norman)

2010-01-01T23:59:59.000Z

25

Electrochemical synthesis of nanosized hydroxyapatite by pulsed direct current method  

SciTech Connect (OSTI)

Synthesis of nanosized of hydroxyapatite (HA) by electrochemical pulsed direct current (PDC) method has been studied. The aim of this work is to study the influence of various PDC parameters (pH initial, electrode distance, duty cycle, frequency, and amplitude) on particle surface area of HA powders. The electrochemical synthesis was prepared in solution Ca{sup 2+}/EDTA{sup 4?}/PO{sub 4}{sup 3+} at concentration 0.25/0.25/0.15 M for 24 h. The electrochemical cell was consisted of two carbon rectangular electrodes connected to a function generator to produce PDC. There were two treatments for particles after electrosynthesized, namely without aging and aged for 2 days at 40 °C. For both cases, the particles were filtered and washed by demineralized water to eliminate the impurities and unreacted reactants. Then, the particles were dried at 100 °C for 2 days. The dried particles were characterized by X-ray diffraction, surface area analyzer, scanning electron microscopy (SEM), Fourier transform infrared spectra and thermogravimetric and differential thermal analysis. HA particles can be produced when the initial pH > 6. The aging process has significant effect on the produced HA particles. SEM images of HA particles showed that the powders consisted of agglomerates composed of fine crystallites and have morphology plate-like and sphere. The surface area of HA particles is in the range of 25 – 91 m{sup 2}/g. The largest particle surface area of HA was produced at 4 cm electrode distance, 80% cycle duty, frequency 0.1 Hz, amplitude 9 V and with aging process.

Nur, Adrian; Rahmawati, Alifah; Ilmi, Noor Izzati; Affandi, Samsudin; Widjaja, Arief [Departement of Chemical Engineering, Faculty of Industrial Technology, Sepuluh Nopember Institute of Technology, Kampus ITS Sukolilo, Surabaya 60111 (Indonesia)

2014-02-24T23:59:59.000Z

26

Apparatuses and method for converting electromagnetic radiation to direct current  

DOE Patents [OSTI]

An energy conversion device may include a first antenna and a second antenna configured to generate an AC current responsive to incident radiation, at least one stripline, and a rectifier coupled with the at least one stripline along a length of the at least one stripline. An energy conversion device may also include an array of nanoantennas configured to generate an AC current in response to receiving incident radiation. Each nanoantenna of the array includes a pair of resonant elements, and a shared rectifier operably coupled to the pair of resonant elements, the shared rectifier configured to convert the AC current to a DC current. The energy conversion device may further include a bus structure operably coupled with the array of nanoantennas and configured to receive the DC current from the array of nanoantennas and transmit the DC current away from the array of nanoantennas.

Kotter, Dale K; Novack, Steven D

2014-09-30T23:59:59.000Z

27

Direct Biological Conversion of Electrical Current into Methane by  

E-Print Network [OSTI]

electrical energy and substrate heat of combustion energy (82%) (3). One disadvantage of electrically-chamber MEC, methane was produced at anoverallenergyefficiencyof80%(electricalenergyandsubstrate heat of combustion). These results show that electrometha- nogenesis can be used to convert electrical current

28

Lightning strikes to tall objects: Currents inferred from far electromagnetic fields versus directly measured currents  

E-Print Network [OSTI]

-field-to-current conversion factor for lightning strikes to flat ground based on the transmission line model and (b currents on tall towers are used for testing the validity of field-to-current conversion equations [e on current measurement location (e.g., near the top or bottom of the tower) and on whether initial or largest

Florida, University of

29

Direct current sputtering of boron from boron/boron mixtures  

DOE Patents [OSTI]

A method for coating a substrate with boron by sputtering includes lowering the electrical resistance of a boron-containing rod to allow electrical conduction in the rod; placing the boron-containing rod inside a vacuum chamber containing substrate material to be coated; applying an electrical potential between the boron target material and the vacuum chamber; countering a current avalanche that commences when the conduction heating rate exceeds the cooling rate, and until a steady equilibrium heating current is reached; and, coating the substrate material with boron by sputtering from the boron-containing rod. 2 figures.

Timberlake, J.R.; Manos, D.; Nartowitz, E.

1994-12-13T23:59:59.000Z

30

Phenomena of oscillations in atmospheric pressure direct current glow discharges  

SciTech Connect (OSTI)

Self-sustained oscillations in a dc glow discharge with a semiconductor layer at atmospheric pressure were investigated by means of a one-dimensional fluid model. It is found that the dc glow discharge initially becomes unstable in the subnormal glow region and gives rise to oscillations of plasma parameters. A variety of oscillations with one or more frequencies have been observed under different conditions. The discharge oscillates between the glow discharge mode and the Townsend discharge mode in the oscillations with large amplitude while operates in the subnormal glow discharge mode all the while in the oscillations with small amplitude. Fourier Transform spectra of oscillations reveal the transition mechanism between different oscillations. The effects of semiconductor conductivity on the oscillation frequency of the dominant mode, gas voltage, as well as the discharge current have also been analyzed.

Liu, Fu-cheng [College of Physics Science and Technology, Hebei University, Baoding 071002 (China)] [College of Physics Science and Technology, Hebei University, Baoding 071002 (China); Yan, Wen; Wang, De-zhen [School of Physics and Optoelectronic Technology, Dalian University of Technology, Dalian 116024 (China)] [School of Physics and Optoelectronic Technology, Dalian University of Technology, Dalian 116024 (China)

2013-12-15T23:59:59.000Z

31

ESS 2012 Peer Review - 6.5 kV Silicon Carbide Half-Bridge Power...  

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

a 5 kV DC-Link voltage which will greatly impact Storage Systems by reducing costs of power conversion stages Impact current system designs as well as create a platform for...

32

A pulser for medium-frequency modulated direct-current reactive sputter deposition of insulators  

E-Print Network [OSTI]

for medium-frequency modulated direct-current dc reactive sputter deposition of electrical insulators at the target surface inherent to high- deposition-rate reactive sputtering of electrical insulators. TypicallyA pulser for medium-frequency modulated direct-current reactive sputter deposition of insulators G

Cao, Hui

33

Distributed Voltage and Current Control of Multi-Terminal High-Voltage Direct  

E-Print Network [OSTI]

}@kth.se.) Abstract: High-voltage direct current (HVDC) is a commonly used technology for long-distance power for multi-terminal HVDC (MTDC) systems is proposed. Under certain conditions on the controller gains factor behind long-distance power transmission. High-voltage direct current (HVDC) is a commonly used

Dimarogonas, Dimos

34

Utility-Scale Solar Power Converter: Agile Direct Grid Connect Medium Voltage 4.7-13.8 kV Power Converter for PV Applications Utilizing Wide Band Gap Devices  

SciTech Connect (OSTI)

Solar ADEPT Project: Satcon is developing a compact, lightweight power conversion device that is capable of taking utility-scale solar power and outputting it directly into the electric utility grid at distribution voltage levels—eliminating the need for large transformers. Transformers “step up” the voltage of the power that is generated by a solar power system so it can be efficiently transported through transmission lines and eventually “stepped down” to usable voltages before it enters homes and businesses. Power companies step up the voltage because less electricity is lost along transmission lines when the voltage is high and current is low. Satcon’s new power conversion devices will eliminate these heavy transformers and connect a utility-scale solar power system directly to the grid. Satcon’s modular devices are designed to ensure reliability—if one device fails it can be bypassed and the system can continue to run.

None

2012-01-25T23:59:59.000Z

35

Propagation direction reversal of ionization zones in the transition between high and low current magnetron sputtering  

SciTech Connect (OSTI)

Past research has revealed the propagation of dense, asymmetric ionization zones in both high and low current magnetron discharges. Here we report about the direction reversal of ionization zone propagation as observed with fast cameras. At high currents, zones move in the E B direction with velocities of 103 to 104 m/s. However at lower currents, ionization zones are observed to move in the opposite, the -E B direction, with velocities ~;; 103 m/s. It is proposed that the direction reversal is associated with the local balance of ionization and supply of neutrals in the ionization zone.

School of Materials Science and Engineering, State Key Lab for Materials Processing and Die & Mold Technology, Huazhong University of Science and Technology, Wuhan 430074, China; Department of Physics, University of California Berkeley, Berkeley, California 94720, USA; Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, California 94720, USA; Yang, Yuchen; Liu, Jason; Liu, Lin; Anders, André

2014-12-11T23:59:59.000Z

36

15-kV Single-Bias All-Optical ETO Thyristor A. Mojab and S.K. Mazumder  

E-Print Network [OSTI]

15-kV Single-Bias All-Optical ETO Thyristor A. Mojab and S.K. Mazumder Laboratory for Energy 15 kV single bias and a current of 10 A. This ETO is completely controlled by two optical signals, one for the 15 kV SiC gate- turn-off (GTO) thyristor and the other one for a triggering low- voltage

Mazumder, Sudip K.

37

Electrochimica Acta 52 (2007) 43174324 Porous current collectors for passive direct methanol fuel cells  

E-Print Network [OSTI]

Electrochimica Acta 52 (2007) 4317­4324 Porous current collectors for passive direct methanol fuel methanol fuel cell (DMFC) with its cathode current collector made of porous metal foam was investigated that the passive DMFC having the porous current collector yielded much higher and much more stable performance than

Zhao, Tianshou

2007-01-01T23:59:59.000Z

38

Stochastic ratcheting of two dimensional colloids : Directed current and dynamical transitions  

E-Print Network [OSTI]

We present results of molecular dynamics simulations for two-dimensional repulsively interacting colloids driven by an one dimensional asymmetric and commensurate ratchet potential, switching on and off stochastically. The resultant time- and space-averaged directed current exhibits resonance with change in ratcheting frequency. The resonance frequency itself varies non-monotonically with density. We use scaling arguments to derive analytic expression for the directed current which reproduces these features. Our simulations reveal re-entrant dynamical transitions between solid and modulated liquid phases as a function of ratcheting frequency, associated with the variation of directed current.

Dipanjan Chakraborty; Debasish Chaudhuri

2014-07-09T23:59:59.000Z

39

Formation of ozone and oxidation of methane in a direct current corona discharge  

E-Print Network [OSTI]

FORMATION OF OZONE AND OXIDATION OF METHANE IN A DIRECT CURRENT CORONA DISCHARGE A Thesis by UMASHANKER TANGIRALA Submitted to the Graduate College of Texas A&M University in partial fulfillment of the requirement for the degree of MASTER... OF SCIENCE May 1976 Major Subject: Chemical Engineering FORMATION OF OZONE AND OXIDATION OF METHANE IN A DIRECT CURRENT CORONA DISCHARGE A Thesis by UMASHANKER TANGIRALA Approved as to style and content by: (Chairman of Committee) ( ad of Department...

Tangirala, Umashanker

1976-01-01T23:59:59.000Z

40

CEBAF 200 kV Inverted Electron Gun  

SciTech Connect (OSTI)

Two DC high voltage GaAs photoguns have been built at Jefferson Lab based on a compact inverted insulator design. One photogun provides the polarized electron beam at CEBAF and operates at 130 kV bias voltage. The other gun is used for high average current lifetime studies at a dedicated test facility and has been operated at bias voltage up to 225 kV. The advantages of higher DC voltage for CEBAF include reduced space-charge emittance growth and the potential for prolonged photocathode lifetime. However, a consequence of operating at higher voltages is the increased likelihood of field emission or breakdown, both of which are unacceptable. Highlights of the R&D studies leading toward a production 200keV GaAs photogun for CEBAF will be presented.

J.M. Grames, P.A. Adderley, J. Clark, J. Hansknecht, M. Poelker, M.L. Stutzman, R. Suleiman, K.E.L. Surles-Law

2011-03-01T23:59:59.000Z

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


41

Parallel electric fields in the upward current region of the aurora: Indirect and direct observations  

E-Print Network [OSTI]

Parallel electric fields in the upward current region of the aurora: Indirect and direct In this article we present electric field, magnetic field, and charged particle observations from the upward current region of the aurora focusing on the structure of electric fields at the boundary between

California at Berkeley, University of

42

ELSEVIER Bioelectrochemistry and Bioenergetics 35 (1994) 99-101 Low level direct current -cell culture fibroblast model  

E-Print Network [OSTI]

ELSEVIER Bioelectrochemistry and Bioenergetics 35 (1994) 99-101 Low level direct current - cell;100 U. Batista et al. / Bioelectrochemistry and Bioenergetics 35 (1994) 99-101 2.2. Direct current

Ljubljana, University of

43

An Annotated Bibliography of High-Voltage Direct-Current Transmission and Flexible AC Transmission (FACTS) Devices, 1991-1993.  

SciTech Connect (OSTI)

References are contained for HVDC systems, converter stations and components, overhead transmission lines, cable transmission, system design and operations, simulation of high voltage direct current systems, high-voltage direct current installations, and flexible AC transmission system (FACTS).

Litzenberger, Wayne; Lava, Val

1994-08-01T23:59:59.000Z

44

The MAPS Program in the Pacific Northwest: Current Status and Future Direction  

E-Print Network [OSTI]

The MAPS Program in the Pacific Northwest: Current Status and Future Direction Report Submitted #12;#12;The MAPS Program in the Pacific Northwest - i TABLE OF CONTENTS EXECUTIVE SUMMARY........................................................................................................................................... 10 Adult Capture Rates and Station Longevity at MAPS Stations in the Pacific Northwest Region

DeSante, David F.

45

Chemical Vapor Deposition of Silicon Dioxide by Direct-Current Corona Discharges in Dry Air  

E-Print Network [OSTI]

Chemical Vapor Deposition of Silicon Dioxide by Direct-Current Corona Discharges in Dry Air, Si4O4(CH3)8) widely used as additives in personal care products. In both photocopiers and air in indoor air, the gas-phase processes limit the rate of deposition. KEY WORDS: Corona plasma; corona

Chen, Junhong

46

Structure formation upon reactive direct current magnetron sputtering of transition metal oxide films  

SciTech Connect (OSTI)

A comparative study of reactive direct current magnetron sputtering for different transition metal oxides reveals crystalline films at room temperature for group 4 and amorphous films for groups 5 and 6. This observation cannot be explained by the known growth laws and is attributed to the impact of energetic particles, originating from the oxidized target, on the growing film. This scenario is supported by measured target characteristics, the evolution of deposition stress of the films, and the observed backsputtering.

Ngaruiya, J.M.; Kappertz, O.; Mohamed, S.H.; Wuttig, M. [I. Physikalisches Institut der RWTH Aachen, D-52056 Aachen, Germany and Jomo Kenyatta University of Agriculture and Technology, Box 62000 Nairobi (Kenya); I. Physikalisches Institut der RWTH Aachen, D-52056 Aachen (Germany)

2004-08-02T23:59:59.000Z

47

Malcolm, N. and Aggarwal, R.k. (2014) An Analysis of Reducing Back Flashover Faults with Surge Arresters on 69/138 kV Double  

E-Print Network [OSTI]

Arresters on 69/138 kV Double Circuit Transmission Lines Due to Direct Lightning Strikes on the Shield Wires-EMTP, Back flashover faults, Lightning strokes, Surge arrester, Transmission lines. Abstract Back flashover causes of power interruptions on the double-circuit 69/138 kV overhead transmission lines in Jamaica

McCusker, Guy

48

Design and performance of a 30 KV electron gun with ten independent cathodes & a magnetic lens.  

SciTech Connect (OSTI)

Measurements on a 30 kV electron gun with ten independent cathodes, operating in a 6.5 Tesla (T) magnetic field are presented. An earlier paper covered the design of this electron gun [1]. Experimental results are compared to model predictions. Beam current is compared to theoretical space charge limited flow.

Rudys, Joseph Matthew; Reed, Kim Warren

2006-08-01T23:59:59.000Z

49

Minimization of DC Reactor and Operation Characteristics of Direct-Power-Controlled Current-Source PWM Rectifier  

E-Print Network [OSTI]

Minimization of DC Reactor and Operation Characteristics of Direct-Power-Controlled Current control; hence inductance of the DC reactor can be reduced. Feasibility of the strategy is verified characteristics of the direct power control based current-source PWM rectifier with a miniaturized DC reactor

Fujimoto, Hiroshi

50

Partial discharge measurements on a high voltage direct current mass impregnated paper cable  

SciTech Connect (OSTI)

Partial discharge measurement has been a good tool for the quality assurance of cables under alternating voltage. With the growing interest in High Voltage Direct Current cables it seems therefore logical to extend this technique for use at direct voltage. The paper describes this technique as used on a HVDC cable with mass impregnated paper. The different phases of operation (no load, full load, cooling phase, etc.) are characterized by a different discharge behavior. Special attention is given to the dangerous cooling phase. Models have been developed which can explain the discharge patterns that were measured. This paper gives an insight in the electrical behavior of a HVDC cable with mass impregnated paper insulation.

Jeroense, M.J.P. [NKF KABEL B.V., Delft (Netherlands); Kreuger, F.H. [Delft Univ. of Technology (Netherlands)

1996-12-31T23:59:59.000Z

51

3D direct and inverse solvers for eddy current testing of deposits in steam generator  

E-Print Network [OSTI]

We consider the inverse problem of estimating the shape profile of an unknown deposit from a set of eddy current impedance measurements. The measurements are acquired with an axial probe, which is modeled by a set of coils that generate a magnetic field inside the tube. For the direct problem, we validate the method that takes into account the tube support plates, highly conductive part, by a surface impedance condition. For the inverse problem, finite element and shape sensitivity analysis related to the eddy current problem are provided in order to determine the explicit formula of the gradient of a least square misfit functional. A geometrical-parametric shape inversion algorithm based on cylindrical coordinates is designed to improve the robustness and the quality of the reconstruction. Several numerical results are given in the experimental part. Numerical experiments on synthetic deposits, nearby or far away from the tube, with different shapes are considered in the axisymmetric configuration.

Haddar, Houssem

2014-01-01T23:59:59.000Z

52

Mechanism behind self-sustained oscillations in direct current glow discharges and in dusty plasmas  

E-Print Network [OSTI]

An alternative explanation to the mechanism behind self-sustained oscillations of ions in direct current (DC) glow discharges is provided. Such description is distinguished from the one provided by fluid models, where oscillations are attributed to positive feedback mechanism associated with photoionization of particles and photoemission of electrons from the cathode. Here, oscillations arise as consequence of interaction between an ion and surface charges induced by it at the bounding electrodes. Such mechanism provides an elegant explanation to why self-sustained oscillations occur only in the negative resistance region of the voltage-current characteristic curve in DC glow discharges. It is found that oscillation frequencies increase with ion's surface charge density, but at the rate which is significantly slower than it does with electric field. The presented mechanism also describes the self-sustained oscillations of ions in dusty plasmas, demonstrating that oscillations in dusty plasmas and DC glow disc...

Cho, Sung Nae

2013-01-01T23:59:59.000Z

53

Mechanism behind self-sustained oscillations in direct current glow discharges and dusty plasmas  

SciTech Connect (OSTI)

An alternative explanation to the mechanism behind self-sustained oscillations of ions in direct current (DC) glow discharges is provided. Such description is distinguished from the one provided by the fluid models, where oscillations are attributed to the positive feedback mechanism associated with photoionization of particles and photoemission of electrons from the cathode. Here, oscillations arise as consequence of interaction between an ion and the surface charges induced by it at the bounding electrodes. Such mechanism provides an elegant explanation to why self-sustained oscillations occur only in the negative resistance region of the voltage-current characteristic curve in the DC glow discharges. Furthermore, this alternative description provides an elegant explanation to the formation of plasma fireballs in the laboratory plasma. It has been found that oscillation frequencies increase with ion's surface charge density, but at the rate which is significantly slower than it does with the electric field. The presented mechanism also describes self-sustained oscillations of ions in dusty plasmas, which demonstrates that self-sustained oscillations in dusty plasmas and DC glow discharges involve common physical processes.

Cho, Sung Nae [Devices R and D Center, Samsung Advanced Institute of Technology, Samsung Electronics Co., Ltd., Mt. 14-1 Nongseo-dong, Giheung-gu, Yongin-si, Gyeonggi-do 446-712 (Korea, Republic of)

2013-04-15T23:59:59.000Z

54

CEBAF 200 kV Inverted Electron Gun  

SciTech Connect (OSTI)

Two DC high volt­age GaAs pho­to­guns have been built at Jef­fer­son Lab based on a com­pact in­vert­ed in­su­la­tor de­sign. One pho­to­gun pro­vides the po­lar­ized elec­tron beam at CEBAF and op­er­ates at 130 kV bias volt­age. The other gun is used for high av­er­age cur­rent life­time stud­ies at a ded­i­cat­ed test fa­cil­i­ty and has been op­er­at­ed at bias volt­age up to 225 kV. The ad­van­tages of high­er DC volt­age for CEBAF in­clude re­duced space-charge emit­tance growth and the po­ten­tial for pro­longed pho­to­cath­ode life­time. How­ev­er, a con­se­quence of op­er­at­ing at high­er volt­ages is the in­creased like­li­hood of field emis­sion or break­down, both of which are un­ac­cept­able. High­lights of the R&D stud­ies lead­ing to­ward a pro­duc­tion 200keV GaAs pho­to­gun for CEBAF will be pre­sent­ed.

Grames, J M; Clark, J; Hansknecht, J; Poelker, M; Stutzman, M L; Suleiman, R; Surles-Law, K.E.L.; BastaniNejad, M

2011-03-01T23:59:59.000Z

55

Performance characteristics of the Atlas 60 kV, 60 kJ plastic capacitors  

SciTech Connect (OSTI)

This paper provides the performance data of Atlas plastic capacitors as supplied by Maxwell Technologies and Aerovox Corporation. The fiberglass cases at 13 inches high by 29 inches wide and 28 inches in depth with a 2 inch by 18 inch bushing on each end. Two styles of the 33.5uF capacitors have been evaluated for Atlas use, a conventional paper-foil and a self-healing metalized-paper and plastic dielectric design. A test program to capacitor failure, is being used to evaluate capacitor lifetime at full voltage (60 kV) and a nominal 15% reversal. With the Atlas parameters, peak currents of {approximately} 340 kA are realized. In anticipation of faults, capacitors are capable, specified, and tested for 700 kA performance. Accurate methods are also utilized to determine capacitor inductance, less than 20 nH. The results of the various capacitor testing programs will be presented in addition to future directives for their R and D efforts.

Reass, W.; Bennet, G.; Bowman, D.; Lopez, E.; Monroe, M.; Parsons, W.

1997-12-01T23:59:59.000Z

56

The case for a directional dark matter detector and the status of current experimental efforts  

E-Print Network [OSTI]

We present the case for a dark matter detector with directional sensitivity. This document was developed at the 2009 CYGNUS workshop on directional dark matter detection, and contains contributions from theorists and ...

Battat, James

57

Dependence of the magnitude and direction of the persistent current on the magnetic flux in superconducting rings  

SciTech Connect (OSTI)

The obtained periodic magnetic-field dependences I{sub c+}({phi}/{phi}{sub 0}) and I{sub c-}({phi}/{phi}{sub 0}) of the critical current measured in opposite directions on asymmetric superconducting aluminum rings has made it possible to explain previously observed quantum oscillations of dc voltage as a result of alternating current rectification. It was found that a higher rectification efficiency of both single rings and ring systems is caused by hysteresis of the current-voltage characteristics. The asymmetry of current-voltage characteristics providing the rectification effect is due to the relative shifts of the magnetic dependences I{sub c-}({phi}/{phi}{sub 0}) = I{sub c+}({phi}/{phi}{sub 0} + {delta}{phi}) of the critical current measured in opposite directions. This shift means that the position of I{sub c+}({phi}/{phi}{sub 0}) and I{sub c-}({phi}/{phi}{sub 0}) minima does not correspond to n + 0.5 magnetic flux {phi} quanta, which is in direct contradiction to measured Little-Parks resistance oscillations. Despite this contradiction, the amplitude I{sub c,an}({phi}/{phi}{sub 0}) = I{sub c+}({phi}/{phi}{sub 0}) - I{sub c-}({phi}/{phi}{sub 0}) of critical current anisotropy oscillations and its variations with temperature correspond to the expected amplitude of persistent current oscillations and its variations with temperature.

Gurtovoi, V. L.; Dubonos, S. V.; Nikulov, A. V., E-mail: nikulov@ipmt-hpm.ac.ru; Osipov, N. N.; Tulin, V. A. [Russian Academy of Sciences, Institute of Microelectronic Technology and High-Purity Materials (Russian Federation)

2007-12-15T23:59:59.000Z

58

Effects of Transcranial Direct Current Stimulation (tDCS) on Human Memory.  

SciTech Connect (OSTI)

Training a person in a new knowledge base or skill set is extremely time consuming and costly, particularly in highly specialized domains such as the military and the intelligence community. Recent research in cognitive neuroscience has suggested that a technique called transcranial direct current stimulation (tDCS) has the potential to revolutionize training by enabling learners to acquire new skills faster, more efficiently, and more robustly (Bullard et al., 2011). In this project, we tested the effects of tDCS on two types of memory performance that are critical for learning new skills: associative memory and working memory. Associative memory is memory for the relationship between two items or events. It forms the foundation of all episodic memories, so enhancing associative memory could provide substantial benefits to the speed and robustness of learning new information. We tested the effects of tDCS on associative memory, using a real-world associative memory task: remembering the links between faces and names. Working memory refers to the amount of information that can be held in mind and processed at one time, and it forms the basis for all higher-level cognitive processing. We investigated the degree of transfer between various working memory tasks (the N-back task as a measure of verbal working memory, the rotation-span task as a measure of visuospatial working memory, and Raven's progressive matrices as a measure of fluid intelligence) in order to determine if tDCS-induced facilitation of performance is task-specific or general.

Matzen, Laura E.; Trumbo, Michael Christopher Stefan

2014-10-01T23:59:59.000Z

59

2.3-MW Medium-Voltage, Three-Level Wind Energy Inverter Applying a Unique Bus Structure and 4.5-kV Si/SiC Hybrid Isolated Power Modules: Preprint  

SciTech Connect (OSTI)

A high-efficiency, 2.3-MW, medium-voltage, three-level inverter utilizing 4.5-kV Si/SiC (silicon carbide) hybrid modules for wind energy applications is discussed. The inverter addresses recent trends in siting the inverter within the base of multimegawatt turbine towers. A simplified split, three-layer laminated bus structure that maintains low parasitic inductances is introduced along with a low-voltage, high-current test method for determining these inductances. Feed-thru bushings, edge fill methods, and other design features of the laminated bus structure provide voltage isolation that is consistent with the 10.4-kV module isolation levels. Inverter efficiency improvement is a result of the (essential) elimination of the reverse recovery charge present in 4.5-kV Si PIN diodes, which can produce a significant reduction in diode turn-off losses as well as insulated-gate bipolar transistor (IGBT) turn-on losses. The hybrid modules are supplied in industry-standard 140 mm x 130 mm and 190 mm x 130 mm packages to demonstrate direct module substitution into existing inverter designs. A focus on laminated bus/capacitor-bank/module subassembly level switching performance is presented.

Erdman, W.; Keller, J.; Grider, D.; VanBrunt, E.

2014-11-01T23:59:59.000Z

60

Development of 500 kV DC PPLP-insulated oil-filled submarine cable  

SciTech Connect (OSTI)

This paper outlines the development of a 500 kV DC oil-filled submarine cable capable of transmitting 2,800 MW with {+-} 500 kV 2800A bipole system. Polypropylene Laminated Paper (PPL) was employed as the insulation material, which is the worlds first application to DC cables. The conductor size is 3,000 mm{sup 2}, which is the largest size for submarine cables ever put into practical use. Through various fundamental and prototype tests, the cable proved to have excellent electrical characteristics for DC voltage as well as transient overvoltage. The cable and accessories are currently undergoing a long-term accelerated aging test as the final confirmation of their reliability and stability.

Fujimori, A. [Kansai Electric Power Co., Inc., Osaka (Japan)] [Kansai Electric Power Co., Inc., Osaka (Japan); Tanaka, T. [Electric Power Development Co., Ltd., Tokyo (Japan)] [Electric Power Development Co., Ltd., Tokyo (Japan); Takashima, H. [Shikoku Electric Power Co., Inc., Kagawa (Japan)] [Shikoku Electric Power Co., Inc., Kagawa (Japan); Imajo, T. [Central Research Inst. of Electric Power Industry, Tokyo (Japan)] [Central Research Inst. of Electric Power Industry, Tokyo (Japan); Hata, R. [Sumitomo Electric Industries, Ltd., Osaka (Japan)] [Sumitomo Electric Industries, Ltd., Osaka (Japan); Tanabe, T. [Furukawa Electric Co., Ltd., Tokyo (Japan)] [Furukawa Electric Co., Ltd., Tokyo (Japan); Yoshida, S. [Fujikura, Ltd., Tokyo (Japan)] [Fujikura, Ltd., Tokyo (Japan); Kakihana, T. [Hitachi Cable, Ltd., Tokyo (Japan)] [Hitachi Cable, Ltd., Tokyo (Japan)

1996-01-01T23:59:59.000Z

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


61

Cancer Stem Cells--Perspectives on Current Status and Future Directions: AACR Workshop on Cancer Stem Cells  

E-Print Network [OSTI]

Cancer Stem Cells--Perspectives on Current Status and Future Directions: AACR Workshop on Cancer Hospital for Sick Children, Toronto, Ontario, Canada; 4 Terry Fox Laboratory BC Cancer Research Center, Vancouver, British Columbia, Canada; 5 Moores University of California San Diego Cancer Center; 6 The Salk

Wahl, Geoffrey M.

62

Low energy electron-enhanced etching of Si(100) in hydrogen/helium direct-current plasma  

E-Print Network [OSTI]

Low energy electron-enhanced etching of Si(100) in hydrogen/helium direct-current plasma H. P of a dc plasma reactor, and thus receives a large flux of low-energy electrons and hydrogen molecules-0269 Received 7 September 1994; accepted for publication 6 March 1995 Low energy electron-enhanced etching of Si

Dove, Patricia M.

63

Direct numerical simulation of electroconvective instability and hysteretic current-voltage response of a permselective membrane  

E-Print Network [OSTI]

We present a systematic, multiscale, fully detailed numerical modeling for dynamics of fluid flow and ion transport covering Ohmic, limiting, and overlimiting current regimes in conductance of ion-selective membrane. By ...

Pham, Van Sang

64

Directions  

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

Directions Where We Are Directions The Bradbury Science Museum is located at 1350 Central Avenue Los Alamos, NM 87544 Los Alamos (elevation 7,355 feet) is perched high atop the...

65

Active electron energy distribution function control in direct current discharge using an auxiliary electrode  

SciTech Connect (OSTI)

The electron energy distribution functions are studied in the low voltage dc discharge with a constriction, which is a diaphragm with an opening. The dc discharge glows in helium and is sustained by the electron current emitted from a heated cathode. We performed kinetic simulations of dc discharge characteristics and electron energy distribution functions for different gas pressures (0.8 Torr-4 Torr) and discharge current of 0.1 A. The results of these simulations indicate the ability to control the shape of the electron energy distribution functions by variation of the diaphragm opening radius.

Schweigert, I. V. [Institute of Theoretical and Applied Mechanics, Novosibirsk 630090 (Russian Federation) [Institute of Theoretical and Applied Mechanics, Novosibirsk 630090 (Russian Federation); George Washington University, Washington, DC 20052 (United States); Kaganovich, I. D. [Princeton Plasma Physics Laboratory, Princeton, NJ 08543 (United States)] [Princeton Plasma Physics Laboratory, Princeton, NJ 08543 (United States); Demidov, V. I. [West Virginia University, Morgantown, WV 26506 (United States) [West Virginia University, Morgantown, WV 26506 (United States); St. Petersburg State University, St. Petersburg (Russian Federation)

2013-10-15T23:59:59.000Z

66

Method and apparatus for monitoring armature position in direct-current solenoids  

DOE Patents [OSTI]

A method for determining the position of an armature of a dc-powered solenoid. Electrical circuitry is provided to introduce a small alternating current flow through the coil. As a result, the impedance and resistance of the solenoid coil can be measured to provide information indicative of the armature's position.

Moyers, John C. (Oak Ridge, TN); Haynes, Howard D. (Knoxville, TN)

1996-12-10T23:59:59.000Z

67

Recent developments and future directions Coherently controlled electrical currents at surfaces  

E-Print Network [OSTI]

of ultrashort current pulses at surfaces. Two phase-locked laser pulses with carrier frequencies a and a/2 of the electrons due to vibronic or electronic excitation within the junction can be neglected. In this regime e­ Metal Sample Excitations Pulses =90° Time­Delayt PhotoemissionPulse Photoelectrons 0.0 0.5 1

68

Accelerated Status Exceptionally promising current UCI undergraduate Engineering students may petition for streamlined admission directly  

E-Print Network [OSTI]

Accelerated Status Exceptionally promising current UCI undergraduate Engineering students may numbered 200-289. How to Petition: Students are required to submit an Accelerated Status Petition Form) to the Graduate Student Affairs Office (5400 Engineering Hall). Students may join the Accelerated Status at any

Mease, Kenneth D.

69

Accelerated Status Exceptionally promising current UCI undergraduate Engineering students may petition for streamlined admission directly  

E-Print Network [OSTI]

Accelerated Status Exceptionally promising current UCI undergraduate Engineering students may numbered 200-289. How to Petition: Students are required to submit an Accelerated Status Petition Form) to the Graduate Student Affairs Office (305 Rockwell Engineering Center). Students may join the Accelerated Status

Mease, Kenneth D.

70

Oscillation modes of direct current microdischarges with parallel-plate geometry  

SciTech Connect (OSTI)

Two different oscillation modes in microdischarge with parallel-plate geometry have been observed: relaxation oscillations with frequency range between 1.23 and 2.1 kHz and free-running oscillations with 7 kHz frequency. The oscillation modes are induced by increasing power supply voltage or discharge current. For a given power supply voltage, there is a spontaneous transition from one to other oscillation mode and vice versa. Before the transition from relaxation to free-running oscillations, the spontaneous increase of oscillation frequency of relaxation oscillations form 1.3 kHz to 2.1 kHz is measured. Fourier transform spectra of relaxation oscillations reveal chaotic behavior of microdischarges. Volt-ampere (V-A) characteristics associated with relaxation oscillations describes periodical transition between low current, diffuse discharge, and normal glow. However, free-running oscillations appear in subnormal glow only.

Stefanovic, Ilija; Kuschel, Thomas; Winter, Joerg [Institut fuer Experimentalphysik II, Ruhr-Universitaet Bochum, 44781 Bochum (Germany); Skoro, Nikola; Maric, Dragana; Petrovic, Zoran Lj [Institute of Physics, University of Belgrade, POB 68, 11080 Belgrade (Serbia)

2011-10-15T23:59:59.000Z

71

A graphical method for determining electrical conductivity of ionic solutions by direct current  

E-Print Network [OSTI]

Ce AND D. C, HEASURENENTS IH PHASE I FOR VARIOUS CONCENTRATIONS OF Pb(N03)2 AT 30 C Normality R K AC K DC k (ohms) (ob%1 ow ) (os% N& ) (0% ) 1, 0000 0. 5000 0. 2000 0. 1000 23t 5 31, 8 52. 4 86. 7 0. 0752 0. 0541 0. 0305 0. 0167 0. 0757 0... ~ ~ ~ ~ t ~ ~ t ~ ~ ~ ~ ~ ~ 32 7. R ~ vs Current Data for Varions Oonoentratione of Ph(803)2 sell Solntione at 30 C Phase I ~ ~ ~ ~ ~ ~ t ~ ~ ~ t ~ ~ ~ ~ ~ ~ 33 8. Graphical Data for Varioas Conoentrations of Pb(803)2 at 0 30 c PhaN I...

Simpson, Harold Navayne

2012-06-07T23:59:59.000Z

72

Direct imaging of neural currents using ultra-low field magnetic resonance techniques  

DOE Patents [OSTI]

Using resonant interactions to directly and tomographically image neural activity in the human brain using magnetic resonance imaging (MRI) techniques at ultra-low field (ULF), the present inventors have established an approach that is sensitive to magnetic field distributions local to the spin population in cortex at the Larmor frequency of the measurement field. Because the Larmor frequency can be readily manipulated (through varying B.sub.m), one can also envision using ULF-DNI to image the frequency distribution of the local fields in cortex. Such information, taken together with simultaneous acquisition of MEG and ULF-NMR signals, enables non-invasive exploration of the correlation between local fields induced by neural activity in cortex and more `distant` measures of brain activity such as MEG and EEG.

Volegov, Petr L. (Los Alamos, NM); Matlashov, Andrei N. (Los Alamos, NM); Mosher, John C. (Los Alamos, NM); Espy, Michelle A. (Los Alamos, NM); Kraus, Jr., Robert H. (Los Alamos, NM)

2009-08-11T23:59:59.000Z

73

The effect of a direct current field on the microparticle charge in the plasma afterglow  

SciTech Connect (OSTI)

Residual charges of individual microparticles forming dense clouds were measured in a RF discharge afterglow. Experiments were performed under microgravity conditions on board the International Space Station, which ensured particle levitation inside the gas volume after the plasma switch-off. The distribution of residual charges as well as the spatial distribution of charged particles across the cloud were analyzed by applying a low-frequency voltage to the electrodes and measuring amplitudes of the resulting particle oscillations. Upon “free decharging” conditions, the charge distribution had a sharp peak at zero and was rather symmetric (with charges concentrated between ?10e and +10e), yet positively and negatively charged particles were homogeneously distributed over the cloud. However, when decharging evolved in the presence of an external DC field (applied shortly before the plasma switch-off) practically all residual charges were positive. In this case, the overall charge distribution had a sharp peak at about +15e and was highly asymmetric, while the spatial distribution exhibited a significant charge gradient along the direction of the applied DC field.

Wörner, L. [Max Planck Institute for extraterrestrial Physics, P.O. Box 1312, Giessenbachstr., 85741 Garching (Germany) [Max Planck Institute for extraterrestrial Physics, P.O. Box 1312, Giessenbachstr., 85741 Garching (Germany); Groupe de Recherches sur l'Energétique des Milieux Ionisés, UMR7344, CNRS, Univ. Orléans, F-45067 Orléans (France); Ivlev, A. V.; Huber, P.; Hagl, T.; Thomas, H. M.; Morfill, G. E. [Max Planck Institute for extraterrestrial Physics, P.O. Box 1312, Giessenbachstr., 85741 Garching (Germany)] [Max Planck Institute for extraterrestrial Physics, P.O. Box 1312, Giessenbachstr., 85741 Garching (Germany); Couëdel, L. [Centre National de la Recherche Scientifique, Aix-Marseille-Université, Laboiratoire de Physique des Intéractions Ioniques et Moléculaires, UMR 7345, 13397 Marseille cedex 20 (France)] [Centre National de la Recherche Scientifique, Aix-Marseille-Université, Laboiratoire de Physique des Intéractions Ioniques et Moléculaires, UMR 7345, 13397 Marseille cedex 20 (France); Schwabe, M. [Max Planck Institute for extraterrestrial Physics, P.O. Box 1312, Giessenbachstr., 85741 Garching (Germany) [Max Planck Institute for extraterrestrial Physics, P.O. Box 1312, Giessenbachstr., 85741 Garching (Germany); Department of Chemical and Biomolecular Engineering, University of California, Berkeley, Berkeley, California 94720 (United States); Mikikian, M.; Boufendi, L. [Groupe de Recherches sur l'Energétique des Milieux Ionisés, UMR7344, CNRS, Univ. Orléans, F-45067 Orléans (France)] [Groupe de Recherches sur l'Energétique des Milieux Ionisés, UMR7344, CNRS, Univ. Orléans, F-45067 Orléans (France); Skvortsov, A. [Yuri Gagarin Cosmonauts Training Center, RU-141160 Star City (Russian Federation)] [Yuri Gagarin Cosmonauts Training Center, RU-141160 Star City (Russian Federation); Lipaev, A. M.; Molotkov, V. I.; Petrov, O. F.; Fortov, V. E. [Joint Institute for High Temperatures, RU-125412 Moscow (Russian Federation)] [Joint Institute for High Temperatures, RU-125412 Moscow (Russian Federation)

2013-12-15T23:59:59.000Z

74

Growth of tungsten nanoparticles in direct-current argon glow discharges  

SciTech Connect (OSTI)

The growth of nanoparticles from the sputtering of a tungsten cathode in DC argon glow discharges is reported. The study was performed at fixed argon pressure and constant discharge current. The growth by successive agglomerations is evidenced. First, tungsten nanocrystallites agglomerate into primary particles, the most probable size of which being {approx}30 nm. Primary particles of this size are observed for all plasma durations and always remain the most numerous in the discharge. Primary particles quickly agglomerate to form particles with size up to {approx}150 nm. For short plasma duration, log-normal functions describe accurately the dust particle size distributions. On the contrary, for long discharge durations, a second hump appears in the distributions toward large particle sizes. In the meantime, the discharge voltage, electron density, and emission line intensities strongly evolve. Their evolutions can be divided in four separate phases and exhibit unusual distinctive features compared to earlier observations in discharges in which particles were growing. The evolution of the different parameters is explained by a competition between the surface state of the tungsten cathode and the influence of the growing nanoparticles. The differences with sputtering glow discharges and chemically active plasmas suggest that the nanoparticle growth and its influence on discharge parameters is system and material dependent.

Kishor Kumar, K.; Coueedel, L.; Arnas, C. [Laboratoire de Physique des Interactions Ioniques et Moleculaires, CNRS-Aix-Marseille Universite, 13397 Marseille (France)

2013-04-15T23:59:59.000Z

75

Direct-current effects on magnetization reversal properties of submicron-size permalloy patterns for radio-frequency devices.  

SciTech Connect (OSTI)

Ferromagnetic resonance (FMR) spectroscopy is used to measure direct-current (dc) effects on the magnetization reversal properties of submicron-sized lateral patterned magnetic material. The observed FMR frequency-field relationship shows that for both 240 and 550 nm wide Permalloy (Py) nanowires the coercivity is reduced by {approx}33% when a 50 mA dc passes through the transmission line where the nanowires are incorporated. The temperature dependence of the coercivity has a {radical}T relationship which suggests the coherent rotation mode tendency in such 100 nm thick Py nanowires.

Zhang, H.; Hoffmann, A.; Divan, R.; Wang, P.; Clemson Univ.

2009-01-01T23:59:59.000Z

76

Recommended practice for fire protection for electric generating plants and high voltage direct current converter stations. 2005 ed.  

SciTech Connect (OSTI)

The standard outlines fire safety recommendations for gas, oil, coal, and alternative fuel electric generating plants including high voltage direct current converter stations and combustion turbine units greater than 7500 hp used for electric generation. Provisions apply to both new and existing plants. The document provides fire prevention and fire protection recommendations for the: safety of construction and operating personnel; physical integrity of plant components; and continuity of plant operations. The 2005 edition includes revisions and new art that clarify existing provisions. 5 annexes.

NONE

2005-07-01T23:59:59.000Z

77

Direct  

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:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: Vegetation Proposed Newcatalyst phasesData FilesShape,PhysicsDileepDirac Charge Dynamcs inDirect

78

Theoretical investigation of the effect of hydrogen addition on the formation and properties of soliton in direct current argon plasma  

SciTech Connect (OSTI)

In this study the effect of hydrogen addition on the formation and properties of soliton in direct-current (DC) argon plasma is theoretically investigated. By coupling fluid equations with Poisons equation for such multi-component plasma, the Mach number and amplitude of the soliton are determined following pseudo potential method. Addition of hydrogen in argon discharge leads to the decrease of electron, Ar{sup +} ion density while a reverse trend was observed for ArH{sup +} and hydrogen like ions. It was found that presence of hydrogen like ions in argon plasma affects the formation of soliton with its amplitude significantly decreases as concentration of hydrogen increases. On the other hand, increase in ion to electron temperature ratios of the lighter ions in the discharge also has a significant influence on the amplitude and formation of soliton. The inverse relation between solitons width and amplitude is found to be consistent for the entire range of study.

Saikia, P., E-mail: partha.008@gmail.com; Goswami, K. S.; Saikia, B. K. [Centre of Plasma Physics, Institute for Plasma Research, Nazirakhat, Sonapur, Kamrup, Assam-782 402 (India)] [Centre of Plasma Physics, Institute for Plasma Research, Nazirakhat, Sonapur, Kamrup, Assam-782 402 (India)

2014-03-15T23:59:59.000Z

79

Type A Accident Investigation Board Report of the April 25, 1997, Contractor Fatality on the Olympia-White River #1 230 kV Line  

Broader source: Energy.gov [DOE]

On April 25, 1997, at approximately 1510 hours, a lineman for Great Southwestern Construction Inc. was fatally electrocuted when he came in direct contact with a deenergized 230-kilovolt (kV) transmission power line conductor which contained an induced voltage.

80

Direct and indirect capture of carriers into the lasing ground state and the light-current characteristic of quantum dot lasers  

SciTech Connect (OSTI)

We calculate the light-current characteristic (LCC) of a quantum dot (QD) laser under the conditions of both direct and indirect capture of carriers from the optical confinement layer into the lasing ground state in QDs. We show that direct capture is a dominant process determining the ground-state LCC. Only when direct capture is slow, the role of indirect capture (capture into the QD excited state and subsequent intradot relaxation to the ground state) becomes important.

Wu, Yuchang, E-mail: yuchangw@vt.edu; Asryan, Levon V., E-mail: asryan@vt.edu [Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061 (United States)

2014-03-14T23:59:59.000Z

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


81

Blythe-Knob 161-kV Transmission Line  

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:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth (AOD)ProductssondeadjustsondeadjustAboutScienceCareers Apply forBiosurveillance A8 Blythe-Knob 161-kV

82

Epidemiologic study of Holstein dairy cow performance and reproduction near a high-voltage direct - current powerline  

SciTech Connect (OSTI)

The development and operation of a high-voltage direct-current (HVDC) transmission line in rural Minnesota generated public concern over potential adverse effects to nearby residents and their livestock. Electrical parameters near an HVDC line decline rapidly with distance, but effects on ambient space charge have been detected out to 1 mile. To identify potential adverse effects of HVDC line operation on livestock, case-control and cohort study methods were used to examine various indices of Holstein performance in relation to distance from the line and the onset of line operation. It was believed that these indices would reflect changes in physiologic function or overt health effects that might arise from the HVDC environment. High-quality performance data from existing Dairy Herd Improvement Association (DHIA) records were obtained for 97% of qualifying herds located within 10 miles of the line. The large number of animals and years of observation provided high statistical power to detect even small systematic changes in performance. No significant differences in milk production or reproductive capacity were associated with presumed exposure to the HVDC environment. The absence of measurable effects in a large sentinel animal population may have implications for the assessment of human health risks related to HVDC transmission lines.

Martin, F.B.; Bender, A.; Steuernagel, G.; Robinson, R.A.; Revsbech, R.; Sorensen, D.K.; Williamson, N.; Williams, A.

1986-01-01T23:59:59.000Z

83

Environmental Assessment for Central Power and Light Company`s proposed Military Highway-CFE tie 138/69-kV transmission line project Brownsville, Cameron County, Texas  

SciTech Connect (OSTI)

Central Power and Light Company (CPL) intends to upgrade its existing transmission line ties with the Commision Federal de Electricidad (CFE) system in Mexico. CPL currently has a single 69-kilovolt (kV) transmission line in the Brownsville area which connects CPL`s system with the system of CFE. This existing line runs between the Brownsville Switching Station, located on Laredo Road in Brownsville, Cameron County, Texas, and an existing CFE 69-kV line at the Rusteberg Bend of the Rio Grande in Cameron County. Under current conditions of need, the existing 69-kV line does not possess sufficient capability to engage in appropriate power exchanges. Therefore, CPL is proposing to build a new line to link up with CFE. This proposed line would be a double-circuit line, which would (1) continue (on a slightly relocated route) the existing 69-kV tie from CPL`s Brownsville Switching Station to CFE`s facilities, and (2) add a 138-kV tie from the Military Highway Substation, located on Military Highway (US Highway 281), to CFE`s facilities. The proposed 138/69-kV line, which will be constructed and operated by CPL, will be built primarily on steel single-pole structures within an average 60-foot (ft) wide right-of-way (ROW). It will be approximately 6900--9200 ft (1.3--1.7 miles) in length, depending on the alternative route constructed.

Not Available

1992-04-01T23:59:59.000Z

84

Wild Horse 69-kV transmission line environmental assessment  

SciTech Connect (OSTI)

Hill County Electric Cooperative Inc. (Hill County) proposes to construct and operate a 69-kV transmission line from its North Gildford Substation in Montana north to the Canadian border. A vicinity project area map is enclosed as a figure. TransCanada Power Corporation (TCP), a Canadian power-marketing company, will own and construct the connecting 69-kV line from the international border to Express Pipeline`s pump station at Wild Horse, Alberta. This Environmental Assessment is prepared for the Department of Energy (DOE) as lead federal agency to comply with the requirements of the National Environmental Policy Act (NEPA), as part of DOE`s review and approval process of the applications filed by Hill County for a DOE Presidential Permit and License to Export Electricity to a foreign country. The purpose of the proposed line is to supply electric energy to a crude oil pump station in Canada, owned by Express Pipeline Ltd. (Express). The pipeline would transport Canadian-produced oil from Hardisty, Alberta, Canada, to Caster, Wyoming. The Express Pipeline is scheduled to be constructed in 1996--97 and will supply crude oil to refineries in Wyoming and the midwest.

NONE

1996-12-01T23:59:59.000Z

85

EIS-0344: Grand Coulee-Bell 500 kV Transmission Line  

Broader source: Energy.gov [DOE]

This EIS analyzes DOE's proposed action for the construction and operation of the proposed Grand Coulee-Bell 500-kV Transmission Line Project.

86

ELECTRICAL AGING OF 15 KV EPR CABLES ENERGIZED BY AC VOLTAGE WITH SWITCHING IMPULSES SUPERIMPOSED.  

E-Print Network [OSTI]

?? In this study, the electrical aging of 15 kV Ethylene Propylene Rubber (EPR) power cables, located in PVC pipes containing water, was conducted by… (more)

Zanwar, Anand Umeshlal

2011-01-01T23:59:59.000Z

87

Currently, there is a substantial research and development effort directed toward optical signal processing and electronic signal processing for fiber-optic communications. Much of the work  

E-Print Network [OSTI]

Abstract Currently, there is a substantial research and development effort directed toward optical signal processing and electronic signal processing for fiber-optic communications. Much of the work for telecommunication services. For optical signal proc- essing, a variety of approaches are available for implementing

Wu, Shin-Tson

88

Tungsten anode spectral model using interpolating cubic splines: Unfiltered x-ray spectra from 20 kV to 640 kV  

SciTech Connect (OSTI)

Purpose: Monte Carlo methods were used to generate lightly filtered high resolution x-ray spectra spanning from 20 kV to 640 kV. Methods: X-ray spectra were simulated for a conventional tungsten anode. The Monte Carlo N-Particle eXtended radiation transport code (MCNPX 2.6.0) was used to produce 35 spectra over the tube potential range from 20 kV to 640 kV, and cubic spline interpolation procedures were used to create piecewise polynomials characterizing the photon fluence per energy bin as a function of x-ray tube potential. Using these basis spectra and the cubic spline interpolation, 621 spectra were generated at 1 kV intervals from 20 to 640 kV. The tungsten anode spectral model using interpolating cubic splines (TASMICS) produces minimally filtered (0.8 mm Be) x-ray spectra with 1 keV energy resolution. The TASMICS spectra were compared mathematically with other, previously reported spectra. Results: Using pairedt-test analyses, no statistically significant difference (i.e., p > 0.05) was observed between compared spectra over energy bins above 1% of peak bremsstrahlung fluence. For all energy bins, the correlation of determination (R{sup 2}) demonstrated good correlation for all spectral comparisons. The mean overall difference (MOD) and mean absolute difference (MAD) were computed over energy bins (above 1% of peak bremsstrahlung fluence) and over all the kV permutations compared. MOD and MAD comparisons with previously reported spectra were 2.7% and 9.7%, respectively (TASMIP), 0.1% and 12.0%, respectively [R. Birch and M. Marshall, “Computation of bremsstrahlung x-ray spectra and comparison with spectra measured with a Ge(Li) detector,” Phys. Med. Biol. 24, 505–517 (1979)], 0.4% and 8.1%, respectively (Poludniowski), and 0.4% and 8.1%, respectively (AAPM TG 195). The effective energy of TASMICS spectra with 2.5 mm of added Al filtration ranged from 17 keV (at 20 kV) to 138 keV (at 640 kV); with 0.2 mm of added Cu filtration the effective energy was 9 keV at 20 kV and 169 keV at 640 kV. Conclusions: Ranging from 20 kV to 640 kV, 621 x-ray spectra were produced and are available at 1 kV tube potential intervals. The spectra are tabulated at 1 keV intervals. TASMICS spectra were shown to be largely equivalent to published spectral models and are available in spreadsheet format for interested users by emailing the corresponding author (JMB)

Hernandez, Andrew M. [Biomedical Engineering Graduate Group, University of California Davis, Sacramento, California 95817 (United States)] [Biomedical Engineering Graduate Group, University of California Davis, Sacramento, California 95817 (United States); Boone, John M., E-mail: john.boone@ucdmc.ucdavis.edu [Departments of Radiology and Biomedical Engineering, Biomedical Engineering Graduate Group, University of California Davis, Sacramento, California 95817 (United States)

2014-04-15T23:59:59.000Z

89

Abstract--Circuit breakers are crucial components for power system operation. The currently adapted time-directed  

E-Print Network [OSTI]

inspection and preventive maintenance are typically performed. The maintenance schedules and routines usually adapted time-directed maintenance strategy and the emerging new condition-based strategy require has been applied in implementing circuit breaker maintenance and repair tasks. Several potential

90

Back-to-Back Energization of a 60kV Cable Network -Inrush Currents Phenomenon  

E-Print Network [OSTI]

is with the Institute of Energy Technology, Aalborg University, 9220 Aalborg, Demark (e-mail: clb@iet.aau.dk). M. Lind was supported by ENV: Elforsyningen Nordvendsyssel F. F. da Silva is a PhD student at the Institute of Energy Technology, Aalborg University, 9220 Aalborg, Denmark (e-mail: ffs@iet.aau.dk). C. L. Bak

Silva, Filipe Faria Da

91

150-kV, 80-A SOLID STATE POWER SUPPLY FOR NEUTRAL BEAM INJECTION  

E-Print Network [OSTI]

owned rig 150-kV, 80-A SOLID STATE POWER SUPPLY FOR NEUTRALpaper describes an all solid state power supply designed forment and arc power supplies are also solid state. With the

Owren, H.

2011-01-01T23:59:59.000Z

92

A SCR SWITCHED CAPACITOR VOLTAGE REGULATOR FOR 150 kV NEUTRAL BEAM POWER SUPPLY  

E-Print Network [OSTI]

et a1. , "150-kV, 80-A Solid State Power Supply for Neutral100% solid state and provides 1% regulation at power levelssolid state high voltage re- gulator. The block diagram of the power

Milnes, K.A.

2011-01-01T23:59:59.000Z

93

ESS 2012 Peer Review - 15 kV Phase Leg Power Modules with SiC...  

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

1 Click to edit Master title style 15 kV Phase Leg Power Modules with SiC MIDSJT Devices Ranbir Singh and Siddarth Sundaresan GeneSiC Semiconductor Inc. ranbir.singh@genesicsemi.co...

94

Lightweight PV Inverters: Dual Bi-Directional IGBTs Modules Enables Breakthrough PV Inverter Using Current Modulation Topology  

SciTech Connect (OSTI)

Solar ADEPT Project: PV inverters convert DC power generated by modules into usable AC power. IPC’s initial 30kW 94lb. PV inverter reduces the weight of comparable 30kW PV inverters by 90%—reducing the cost of materials, manufacturing, shipping, and installation. With ARPA-E support, new bi-directional silicon power switches will be developed, commercialized, and utilized in IPC’s next-generation PV inverter. With these components, IPC will produce 100kW inverters that weight less than 100lb., reducing the weight of conventional 3,000lb. 100kW inverters by more than 95%. The new power switches will cut IPC’s $/W manufacturing cost in half, as well as further reduce indirect shipping and installation costs.

None

2012-01-30T23:59:59.000Z

95

Exposure information in environmental health research: Current opportunities and future directions for particulate matter, ozone, and toxic air pollutants  

SciTech Connect (OSTI)

Understanding and quantifying outdoor and indoor sources of human exposure are essential but often not adequately addressed in health-effects studies for air pollution. Air pollution epidemiology, risk assessment, health tracking and accountability assessments are examples of health-effects studies that require but often lack adequate exposure information. Recent advances in exposure modeling along with better information on time-activity and exposure factors data provide us with unique opportunities to improve the assignment of exposures for both future and ongoing studies linking air pollution to health impacts. In September 2006, scientists from the US Environmental Protection Agency (EPA) and the Centers for Disease Control and Prevention (CDC) along with scientists from the academic community and state health departments convened a symposium on air pollution exposure and health in order to identify, evaluate, and improve current approaches for linking air pollution exposures to disease. This manuscript presents the key issues, challenges and recommendations identified by the exposure working group, who used cases studies of particulate matter, ozone, and toxic air pollutant exposure to evaluate health-effects for air pollution. One of the over-arching lessons of this workshop is that obtaining better exposure information for these different health-effects studies requires both goal-setting for what is needed and mapping out the transition pathway from current capabilities to meeting these goals. Meeting our long-term goals requires definition of incremental steps that provide useful information for the interim and move us toward our long-term goals. Another over-arching theme among the three different pollutants and the different health study approaches is the need for integration among alternate exposure assessment approaches. For example, different groups may advocate exposure indicators, biomonitoring, mapping methods (GIS), modeling, environmental media monitoring, and/or personal exposure modeling. However, emerging research reveals that the greatest progress comes from integration among two or more of these efforts.

McKone, Thomas E.; Ryan, P. Barry; Ozkaynak, Haluk

2007-02-01T23:59:59.000Z

96

Ozone generation by negative direct current corona discharges in dry air fed coaxial wire-cylinder reactors  

SciTech Connect (OSTI)

An analytical study was made in this paper for calculating the ozone generation by negative dc corona discharges. The corona discharges were formed in a coaxial wire-cylinder reactor. The reactor was fed by dry air flowing with constant rates at atmospheric pressure and room temperature, and stressed by a negative dc voltage. The current-voltage characteristics of the negative dc corona discharges formed inside the reactor were measured in parallel with concentration of the generated ozone under different operating conditions. An empirical equation was derived from the experimental results for calculating the ozone concentration generated inside the reactor. The results, that have been recalculated by using the derived equation, have agreed with the experimental results over the whole range of the investigated parameters, except in the saturation range for the ozone concentration. Therefore, the derived equation represents a suitable criterion for expecting the ozone concentration generated by negative dc corona discharges in dry air fed coaxial wire-cylinder reactors under any operating conditions in range of the investigated parameters.

Yehia, Ashraf [Department of Physics, Faculty of Science, Assiut University, Assiut 71516, Egypt and Department of Physics, College of Science and Humanitarian Studies in Alkharj, Salman bin Abdulaziz University, P.O. Box 83, Alkharj 11942 (Saudi Arabia)] [Department of Physics, Faculty of Science, Assiut University, Assiut 71516, Egypt and Department of Physics, College of Science and Humanitarian Studies in Alkharj, Salman bin Abdulaziz University, P.O. Box 83, Alkharj 11942 (Saudi Arabia); Mizuno, Akira [Department of Environmental and Life Sciences, Toyohashi University of Technology, Tempaku-cho, Toyohashi 441-8580 (Japan)] [Department of Environmental and Life Sciences, Toyohashi University of Technology, Tempaku-cho, Toyohashi 441-8580 (Japan)

2013-05-14T23:59:59.000Z

97

Measurements of the volt-ampere characteristics and the breakdown voltages of direct-current helium and hydrogen discharges in microgaps  

SciTech Connect (OSTI)

The discharge phenomena for micro meter gap sizes include many interesting problems from engineering and physical perspectives. In this paper, the authors deal with the experimental and theoretical results of the breakdown voltage and current-voltage characteristics of the direct-current helium and hydrogen discharges. The measurements were performed at a constant pressure of around one atmosphere, while varying the gap size between two parallel plane tungsten electrodes between 1??m and 100??m. From the measured breakdown voltage curves, the effective yields and the ionization coefficients were derived for both gases. Present data for the ionization coefficients correlate with the data obtained for the breakdown voltage curves measured for fixed 100??m interelectrode separation. The current-voltage characteristics were plotted for the various gap sizes illustrating the role of the field emission effects in the microgaps. Based on the Fowler-Nordheim theory, the enhancement factors were determined. The gap spacing dependence of the field emission current can be explained by the introduction of two ideas, the first being a space charge effect by emitted electrons, and the second a change in the breakdown mechanism. Experimental results, presented here, demonstrate that Townsend phenomenology breaks down when field emission becomes the key mechanism affecting the breakdown and deforming the left hand side of the breakdown voltage curves.

Klas, M.; Matej?ik, Š. [Department of Experimental Physics, Comenius University, Mlynskadolina F2, 84248 Bratislava (Slovakia); Radjenovi?, B.; Radmilovi?-Radjenovi?, M. [Institute of Physics, University of Belgrade, P.O. Box 57, 11080 Belgrade (Serbia)

2014-10-15T23:59:59.000Z

98

Marys Lake 69/115-kV transmission line upgrade and substation expansion projects  

SciTech Connect (OSTI)

Western Area Power Administration (Western) and the Platte River Power Authority (Platte River) propose to upgrade portions of the existing electric transmission and substation system that serves the Town of Estes Park, Colorado. The existing transmission lines between the Estes Power Plant Switchyard and the Marys Lake Substation include a 115,000 volt (115-kV) line and 69,000 volt (69-kV) line. Approximately one mile is a double-circuit 115/69-kV line on steel lattice structures, and approximately two miles consists of separate single-circuit 115-kV and a 69-kV lines, constructed on wood H-Frame structures. Both lines were constructed in 1951 by the US Bureau of Reclamation. The existing transmission lines are on rights-of-way (ROW) that vary from 75 feet to 120 feet and are owned by Western. There are 48 landowners adjacent to the existing ROW. All of the houses were built adjacent to the existing ROW after the transmission lines were constructed. Upgrading the existing 69-kV transmission line between the Marys Lake Substation and the Estes Power Plant Switchyard to 115-kV and expanding the Marys Lake Substation was identified as the most effective way in which to improve electric service to Estes Park. The primary purpose and need of the proposed project is to improve the reliability of electric service to the Town of Estes Park. Lack of reliability has been a historical concern, and reliability will always be less than desired until physical improvements are made to the electrical facilities serving Estes Park.

NONE

1996-05-01T23:59:59.000Z

99

E-Print Network 3.0 - alternating current plasma Sample Search...  

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

of Direct and Indirect Effects of Non-Thermal Atmospheric-Pressure Summary: and agarplasma interfaces was set to 1.5 mm. Alternating polarity sinusoidal voltage of 35 kV...

100

Evaluation of first 10-kV optical ETO thyristor operating without any low-voltage control bias  

E-Print Network [OSTI]

unlike any existing ETO (or even IGCT/MTO/GTO devices) is reported at 10 kV using the Silvaco TCAD suite

Mazumder, Sudip K.

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


101

Direct current power transmission systems  

SciTech Connect (OSTI)

This book represents text on HVDC transmission available. It deals with the various aspects of the state of the art in HVDC transmission technology. This book presents many aspects of interactions of AC/DC systems. Modeling and analysis of DC systems are also discussed in detail.

Padiyar, K.R.

1991-01-01T23:59:59.000Z

102

Development of a thyristor valve for next generation 500kV HVDC transmission systems  

SciTech Connect (OSTI)

A high voltage thyristor valve is the basic component of an HVDC transmission system. Development of a 500kV valve for next generation HVDC transmission systems is described. First, the power loss of the valve is analyzed to decide a reasonable wafer size for the light triggered thyristor. From these results, a six inch diameter wafer size is selected. The light triggered thyristor, with ratings of 8kV and 3.5kA, is developed using the six inch wafer. The designing of the valve employing the thyristor and test results with the prototype valve prove that a 500kV valve can be realized by the design method.

Hasegawa, T. [Kansai Electric Power Co., Inc., Osaka (Japan)] [Kansai Electric Power Co., Inc., Osaka (Japan); Yamaji, K. [Shikoku Electric Power Co., Inc., Takamatsu (Japan)] [Shikoku Electric Power Co., Inc., Takamatsu (Japan); Irokawa, H. [Electric Power Development Co., Ltd., Tokyo (Japan)] [Electric Power Development Co., Ltd., Tokyo (Japan); Shirahama, H.; Tanaka, C.; Akabane, K.

1996-10-01T23:59:59.000Z

103

Consideration of 34. 5 KV as an in-plant voltage for a large industrial user  

SciTech Connect (OSTI)

Traditionally, the in-plant distribution voltage for a large refinery or petrochemical complex has been 13.8 kV. Selection of this voltage level was dictated primarily by economic factors, simply because in most cases the magnitude of the loads or the lengths of the feeders did not produce sufficient savings to compensate for the costlier higher voltage switchgear. This paper presents some engineering and cost considerations for distribution at 34.5 kV and attempts to show that this voltage level is both economically and technically feasible for large electrical systems.

Niculescu, T.D.; Regan, R.R.

1983-09-01T23:59:59.000Z

104

Effect of energetic electrons on near-wall sheath voltage in the cathode region of a cold cathode direct current discharge  

SciTech Connect (OSTI)

It is experimentally demonstrated that energetic electrons originating from the cathode or produced in volumetric processes in the cathode region of a cold cathode direct current discharge can create a large potential drop in the near-wall sheath. This voltage drop may be much greater than kT{sub e}/e (where k is the Boltzmann constant, T{sub e} is the electron temperature, and e is the electron charge). Due to the large near-wall sheath voltage, slow and moderately energetic electrons cannot reach the wall and move toward the anode. Application of additional potentials to the wall can change the amount of energetic electrons reaching the wall. This effect can be used for regulation of the near-cathode plasma and near-wall sheath properties and thus may be useful in technical applications.

Blessington, J. [Department of Physics, West Virginia University, Morgantown, West Virginia 26506 (United States); Adams, S. F. [Air Force Research Laboratory, Wright-Patterson AFB, Ohio 45433 (United States); Demidov, V. I. [UES, Inc., 4401 Dayton-Xenia Road, Beavercreek, Ohio 45432 (United States); Department of Physics, West Virginia University, Morgantown, West Virginia 26506 (United States); Williamson, J. M. [Innovative Scientific Solutions, Inc., 2766 Indian Ripple Road, Ohio 45440-3638 (United States)

2009-10-15T23:59:59.000Z

105

New developments in direct nuclear fission energy conversion devices  

SciTech Connect (OSTI)

Some experimental and theoretical results obtained in the investigations undertaken at the Central Institute of Physics (CIP) in Bucharest-Romania concerning the direct nuclear energy conversion into electrical energy are presented. Open-circuit voltages (U /SUB oc/ ) of tens of kV and short-circuit currents (J /SUB sc/ ) of several ..mu..A were obtained in experiments with vacuum fission-electric cells (FEC) developed in the CIP and irradiated in the VVR-S reactor at a 10/sup 9/ neutrons/cm/sup 2/s thermal neutron flux. A gas filled FEC (GAFFC) has been devised and tested in the reactor at the same neutron flux. With this GAFEC U /SUB oc/ of hundreds of kV, J /SUB sc/ of hundreds of ..mu..A and powers of hundreds of mW have been obtained. Our researches pointed out the essential part played by the electrons in the charge transport dynamics occuring in the FEC and the influence of the secondary emission on the FEC operation.

Ursu, I.; Badescu-Singureann, A.I.; Schachter, L.

1983-08-01T23:59:59.000Z

106

Case Study of the Failure of two 13.8kV Control & Metering Transformers that caused significant Equipment Damage  

SciTech Connect (OSTI)

The degradation and failure of cast-coil epoxy windings within 13.8kV control power transformers and metering potential transformers has been shown to be dangerous to both equipment and personnel, even though best industrial design practices were followed. Accident scenes will be examined for two events at a U.S. Department of Energy laboratory. Failure modes will be explained and current design practices discussed with changes suggested to prevent a recurrence and to minimize future risk. New maintenance philosophies utilizing partial discharge testing of the transformers as a prediction of end-of-life will be examined.

Dreifuerst, G R; Chew, D B; Mangonon, H L; Swyers, P W

2011-08-25T23:59:59.000Z

107

EA-1665: Davis-Kingman 69-kV Transmission Line Rebuild Project, Arizona  

Broader source: Energy.gov [DOE]

Western plans to rebuild a 26.6-mile-long portion of the existing 27.3-mile-long Davis–Kingman Tap 69-kV Transmission Line within the existing ROW in order to improve the reliability of the transmission service.

108

EA-2007: Groton-Ordway 115-kV Transmission Line, Groton, South Dakota  

Broader source: Energy.gov [DOE]

DOE’s Western Area Power Administration (Upper Great Plains Region) is preparing an EA that assesses the potential environmental impacts of a proposal to construct a new 115-kV transmission line that would connect Western’s existing Groton and Ordway Substations near Groton, South Dakota.

109

Plasma Immersion Ion Implantation with a 4kV/10kHz Compact High Voltage Pulser  

SciTech Connect (OSTI)

Development of a 4 kV/10 kHz Compact High Voltage Pulser and its application to nitrogen plasma immersion ion implantation (PIII) of different materials as Si, Al alloys, SS304 stainless steel and Ti alloys are discussed. Low voltage (1-5 kV) pulses at high frequencies (up to 20 kHz for 2 kV) were obtained with maximum power delivered at 5 kV, 7 kHz. These conditions were not sufficient to reach temperatures above 200 deg. C in the samples because of short duration of the pulses. However, very shallow implantations of nitrogen in Si, Al5052, SS304 were observed by Auger electron spectroscopy and improved corrosion resistance was obtained for Al5052 when it was treated by nitrogen PIII at 2.5 kV, 5{mu}s and 5 kHz pulses.

Ueda, M.; Oliveira, R. M.; Rossi, J. O. [Associated Laboratory of Plasma, National Institute for Space Research, Av. dos Astronautas 1758, Sao Jose dos Campos, Sao Paulo (Brazil); Reuther, H. [Institute of Ion Beam Physics and Materials Research, Rossendorf, Dresden (Germany); Silva, G. [Associated Laboratory of Plasma, National Institute for Space Research, Av. dos Astronautas 1758, Sao Jose dos Campos, Sao Paulo (Brazil); Department of Aeronautics and Mechanics, Technological Institute of Aeronautics, Sao Jose dos Campos, Sao Paulo (Brazil)

2006-11-13T23:59:59.000Z

110

Design and Overview of 100 kV Bushing for the DNB Injector of ITER  

SciTech Connect (OSTI)

The 100 kV bushing is one of the most important and technologically challenging Safety Important Class (SIC) components of the Diagnostic Neutral Beam (DNB) injector of ITER. It forms interface between gas insulated electrical transmission line and torus primary vacuum and acts as a vacuum feedthrough of ITER. Design optimization has been carried out to meet the electric and structural requirements based on its classification. Unlike HNB bushing, single stage bushing is designed to provide 100 kV isolation. Finite Element Analysis (FEA) based optimization has been carried out for electrostatic and structural analysis. Manufacturing assembly sequence is studied and presented in this paper. However validation of the same is foreseen from manufacturer.

Shah, Sejal; Bandyopadhyay, M.; Rotti, C.; Singh, M. J.; Roopesh, G.; Chakraborty, A. K. [ITER-India, Institute for Plasma Research, Gandhinagar-382025, Gujarat (India); Rajesh, S. [ITER-India, Institute for Plasma Research, Gandhinagar-382025, Gujarat (India); Microelectronics and Materials Physics Labs, P.O.Box 4500, FIN-90014 University of Oulu (Finland); Nishad, S.; Srusti, B. [DesignTech Systems Ltd, Banjara Hills, Hyderabad, Andhra Pradesh-500034 (India); Schunke, B.; Hemsworth, R.; Chareyre, J.; Svensson, L. [ITER Organisation, Route de Vinon, CS 90 046, 13067 St. Paul lez Durance Cedex (France)

2011-09-26T23:59:59.000Z

111

Ion mass spectrometry investigations of the discharge during reactive high power pulsed and direct current magnetron sputtering of carbon in Ar and Ar/N{sub 2}  

SciTech Connect (OSTI)

Ion mass spectrometry was used to investigate discharges formed during high power impulse magnetron sputtering (HiPIMS) and direct current magnetron sputtering (DCMS) of a graphite target in Ar and Ar/N{sub 2} ambient. Ion energy distribution functions (IEDFs) were recorded in time-averaged and time-resolved mode for Ar{sup +}, C{sup +}, N{sub 2}{sup +}, N{sup +}, and C{sub x}N{sub y}{sup +} ions. An increase of N{sub 2} in the sputter gas (keeping the deposition pressure, pulse width, pulse frequency, and pulse energy constant) results for the HiPIMS discharge in a significant increase in C{sup +}, N{sup +}, and CN{sup +} ion energies. Ar{sup +}, N{sub 2}{sup +}, and C{sub 2}N{sup +} ion energies, in turn, did not considerably vary with the changes in working gas composition. The HiPIMS process showed higher ion energies and fluxes, particularly for C{sup +} ions, compared to DCMS. The time evolution of the plasma species was analyzed for HiPIMS and revealed the sequential arrival of working gas ions, ions ejected from the target, and later during the pulse-on time molecular ions, in particular CN{sup +} and C{sub 2}N{sup +}. The formation of fullerene-like structured CN{sub x} thin films for both modes of magnetron sputtering is explained by ion mass-spectrometry results and demonstrated by transmission electron microscopy as well as diffraction.

Schmidt, S.; Greczynski, G.; Jensen, J.; Hultman, L. [Thin Film Physics Div., Department of Physics (IFM), Linkoeping University, SE-581 83 (Sweden); Czigany, Zs. [Institute of Technical Physics and Materials Science, Research Centre for Natural Sciences, Hungarian Academy of Sciences, Konkoly Thege Miklos ut 29-33. H-1121 Budapest (Hungary)

2012-07-01T23:59:59.000Z

112

EIS-0365: Imperial-Mexicali 230-kV Transmission Lines  

Broader source: Energy.gov [DOE]

On February 27, 2001, Baja California Power, Inc. (hereafter referred to as Intergen), InterGen Aztec Energy, V.B.V., filed an application with DOE, Office of Fossil Energy, for a Presidential permit that would allow construction and connection of a double-circuit, 230-kV transmission line extending from the Imperial Valley Substation in California for a distance of about 6 mi (10 km) to a point west of Calexico at the U.S.-Mexico border.

113

The varistor protected series capacitors at the 500 KV broadview substation  

SciTech Connect (OSTI)

Two 235 Mvar series capacitors have been successfully applied at the 500 kV Broadview substation of the Colstrip Transmission Project. The series capacitors have an overvoltage protection system based on metal oxide varistors. The system provides instantaneous bypass and reinsertion of the capacitors following external line section faults. The excellent performance of the equipment was demonstrated during staged fault tests performed in October, 1985. The banks have been in successful operation since January, 1986.

Barcus, J.M. (General Electric Co., Hudson Falls, NY (US)); Miske, S.A. Jr. (General Electric Co., Schenectady, NY (US)); Vitols, A.P. (General Electric Co., Pittsfield, MA (US)); Maynard, H.M. (Montana Power Co., Butte, MT (US)); Peterson, W.G. (Bonneville Power Admin., Portland, OR (US))

1988-10-01T23:59:59.000Z

114

A 6 kV arbitrary waveform generator for the Tevatron Electron Lens  

DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

This paper reports on a 6 kV modulator built and installed at Fermilab to drive the electron gun anode for the Tevatron Electron Lens (TEL). The TEL was built with the intention of shifting the individual (anti)proton bunch tunes to even out the tune spread among all 36 bunches with the desire of improving Tevatron integrated luminosity. This modulator is essentially a 6 kV arbitrary waveform generator that enables the TEL to define the electron beam intensity on a bunch-by-bunch basis. A voltage waveform is constructed having a 7 {micro}s duration that corresponds to the tune shift requirements of a 12-bunch (anti)proton beam pulse train. This waveform is played out for any one or all three bunch trains in the Tevatron. The programmed waveform voltages transition to different levels at time intervals corresponding to the 395 ns bunch spacing. Thus, complex voltage waveforms can be played out at a sustained rate of 143 kHz over the full 6 kV output range. This paper describes the novel design of the inductive adder topology employing five transformers. It describes the design aspects that minimize switching losses for this multi-kilovolt, high repetition rate and high duty factor application.

Pfeffer, H; Saewert, G

2011-11-01T23:59:59.000Z

115

Aternating current photovoltaic building block  

DOE Patents [OSTI]

A modular apparatus for and method of alternating current photovoltaic power generation comprising via a photovoltaic module, generating power in the form of direct current; and converting direct current to alternating current and exporting power via one or more power conversion and transfer units attached to the module, each unit comprising a unitary housing extending a length or width of the module, which housing comprises: contact means for receiving direct current from the module; one or more direct current-to-alternating current inverters; an alternating current bus; and contact means for receiving alternating current from the one or more inverters.

Bower, Ward Issac; Thomas, Michael G.; Ruby, Douglas S.

2004-06-15T23:59:59.000Z

116

Polarized electron beams at milliampere average current  

SciTech Connect (OSTI)

This contribution describes some of the challenges associated with developing a polarized electron source capable of uninterrupted days-long operation at milliAmpere average beam current with polarization greater than 80%. Challenges will be presented in the context of assessing the required level of extrapolation beyond the performance of today's CEBAF polarized source operating at ~ 200 uA average current. Estimates of performance at higher current will be based on hours-long demonstrations at 1 and 4 mA. Particular attention will be paid to beam-related lifetime-limiting mechanisms, and strategies to construct a photogun that operate reliably at bias voltage > 350kV.

Poelker, Matthew [JLAB

2013-11-01T23:59:59.000Z

117

Sidney-North Yuma 230-kV Transmission Line Project, Colorado and Nebraska  

SciTech Connect (OSTI)

This report describes the need for a 230-kV overhead transmission line to supply power from Sidney, Nebraska to eastern Colorado. The alternative scenario compared to construction of the line is No Action. Rejected alternatives include underground lines and different routing paths, with a possible extension to the Sterling area. Both scenarios are evaluated for environmental effects, cost, and consequences for the eastern Colorado region. The proposed route is determined to be the environmentally preferred choice. 120 refs., 6 figs., 13 tabs. (MHB)

Not Available

1991-06-01T23:59:59.000Z

118

Blythe-Knob 161-kV Transmission Line Cross Arm Replacements -  

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:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth (AOD)ProductssondeadjustsondeadjustAboutScienceCareers Apply forBiosurveillance A8 Blythe-Knob 161-kV9

119

KvH Projekt GmbH Co KG | 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 on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 No revision hasInformation Earth's Heat JumpInc Place:Keystone Clean Air JumpMaine. ItsKun Renewables JumpKvH

120

Current measurement apparatus  

DOE Patents [OSTI]

Apparatus and methods are provided for a system for measurement of a current in a conductor such that the conductor current may be momentarily directed to a current measurement element in order to maintain proper current without significantly increasing an amount of power dissipation attributable to the current measurement element or adding resistance to assist in current measurement. The apparatus and methods described herein are useful in superconducting circuits where it is necessary to monitor current carried by the superconducting elements while minimizing the effects of power dissipation attributable to the current measurement element.

Umans, Stephen D. (Belmont, MA)

2008-11-11T23:59:59.000Z

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


121

1.9 kV AlGaN/GaN Lateral Schottky Barrier Diodes on Silicon  

DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

In this letter, we present AlGaN/GaN lateral Schottky barrier diodes on silicon with recessed anodes and dual field plates. A low specific on-resistance RON,SP (5.12 m?{center_dot}cm2), a low turn-on voltage (1.9 kV), were simultaneously achieved in devices with a 25 ?m anode/cathode separation, resulting in a power figure-of-merit (FOM) BV2/RON,SP of 727 MW{center_dot}cm2. The record high breakdown voltage of 1.9 kV is attributed to the dual field plate structure.

Zhu, Mingda [University of Notre Dame, IN (United States); Song, Bo [Cornell University, Ithaca, NY (United States); Qi, Meng [University of Notre Dame, IN (United States); Hu, Zongyang [University of Notre Dame, IN (United States); Nomoto, Kazuki [University of Notre Dame, IN (United States); Yan, Xiaodong [University of Notre Dame, IN (United States); Cao, Yu [IQE/HRL Labs; Johnson, Wayne [IQE, Westborough, MA (United States); Kohn, Erhard [University of Notre Dame, IN (United States); Jena, Debdeep [Cornell University, Ithaca, NY (United States); Xing, Grace Huili [Cornell University, Ithaca, NY (United States)

2015-04-01T23:59:59.000Z

122

AC and lightning performance of fiberglass crossarms aged in 115 kV transmission line  

SciTech Connect (OSTI)

This paper presents the results of an investigation of the electrical performance of 115 kV transmission line fiberglass cross-arm used by Mississippi Power and Light Company. A transmission line fiberglass crossarm removed from service and companion cross-arms outdoors but not in service were examined. The evaluation of electrical performance was based on flashover voltage value at AC voltage and standard lightning impulses as well as under dry and wet conditions. The tests were performed in the Mississippi State University High Voltage Laboratory. The obtained flashover voltages show no large differences in electrical strength of fiberglass crossarms removed from service and those stored outdoors. The Added CFO voltage by fiberglass crossarm to the porcelain suspension insulators is presented versus the length of the fiberglass crossarm for dry and wet conditions.

Grzybowski, S. (Mississippi State Univ., Mississippi State, MS (United States). Dept. of Electrical and Computer Engineering); Jenkins, E.B. (Entergy, New Orleans, LA (United States). Generation and Transmission Group)

1993-10-01T23:59:59.000Z

123

Understanding S-shaped current-voltage characteristics of organic solar cells: Direct measurement of potential distributions by scanning Kelvin probe  

SciTech Connect (OSTI)

We present a comparison of the potential distribution along the cross section of bilayer poly(3-hexylthiophene)/1-(3-methoxycarbonyl)propyl-1-phenyl[6,6]C61 (P3HT/PCBM) solar cells, which show normal and anomalous, S-shaped current-voltage (IV) characteristics. We expose the cross sections of the devices with a focussed ion beam and measure them with scanning Kelvin probe microscopy. We find that in the case of S-shaped IV-characteristics, there is a huge potential drop at the PCBM/Al top contact, which does not occur in solar cells with normal IV-characteristics. This behavior confirms the assumption that S-shaped curves are caused by hindered charge transport at interfaces.

Saive, Rebecca, E-mail: rebecca.saive@innovationlab.de; Kowalsky, Wolfgang [InnovationLab GmbH, 69115 Heidelberg (Germany) [InnovationLab GmbH, 69115 Heidelberg (Germany); Institut für Hochfrequenztechnik, TU Braunschweig, 38106 Braunschweig (Germany); Kirchhoff-Institute for Physics, Heidelberg University, 69120 Heidelberg (Germany); Mueller, Christian [InnovationLab GmbH, 69115 Heidelberg (Germany) [InnovationLab GmbH, 69115 Heidelberg (Germany); Kirchhoff-Institute for Physics, Heidelberg University, 69120 Heidelberg (Germany); Schinke, Janusz; Lovrincic, Robert [InnovationLab GmbH, 69115 Heidelberg (Germany) [InnovationLab GmbH, 69115 Heidelberg (Germany); Institut für Hochfrequenztechnik, TU Braunschweig, 38106 Braunschweig (Germany)

2013-12-09T23:59:59.000Z

124

Electric Currents Electric Current  

E-Print Network [OSTI]

;Problem 3: At $0.095/kWh, what does it cost to leave a 25W porch light on day and night for a year = 219000 Watt- hour = 219kWh. So, total cost = 219 x$0.095 = $20.8 #12;Problem 4: A 100 W light bulb has of charge per unit time: = . Unit of current: Ampere (A). The purpose of a battery is to produce

Yu, Jaehoon

125

EMI (electromagnetic interference) potential of proposed 115KV line near B-691  

SciTech Connect (OSTI)

The Laser Operated Diamond Turning Machine (LODTM) is housed in Building 691. This facility contains electronic measurement and control systems which could be susceptible to interfering electromagnetic interference (EMI) generated by sources external to B-691. In particular, concern has been expressed that such harmful EMI signals could be produced by the proposed WAPA 115KV feeder line which would be routed approximately 30 feet from the East side of the facility. Also, there has been some concern expressed about the effects of the resulting electromagnetic (EM) fields on personnel in the proximity of the power line. Since it is necessary to measure the EM fields to ascertain if a hazard does indeed exist, and since we in ERD have been performing such field measurements for many years, we were contacted to determine the field levels from the line that might be expected inside and close to B-691. This report describes our approach, equipment and calibration procedures, analysis techniques used, results, and suggestions for future work in related areas. 9 refs., 41 figs.

Latorre, V.R.; Wythe, D.M.

1989-07-27T23:59:59.000Z

126

Geothermal Energy: Current abstracts  

SciTech Connect (OSTI)

This bulletin announces the current worldwide information available on the technologies required for economic recovery of geothermal energy and its use as direct heat or for electric power production. (ACR)

Ringe, A.C. (ed.)

1988-02-01T23:59:59.000Z

127

EA-1679: Grand Coulee's Third Powerplant 500-kV Transmission Line Replacement Project, Grant and Okanogon Counties, Washington  

Broader source: Energy.gov [DOE]

This EA evaluates potential environmental impacts from the construction and operation of six new 500-kV overhead transmission lines to replace six existing underground lines at Grand Coulee Dam. DOE’s Bonneville Power Administration (BPA), a cooperating agency, was asked by the U. S. Department of the Interior’s Bureau of Reclamation to design and construct the proposed new transmission lines. A Finding of No Significant Impact was issued by BPA in December 2011.

128

EIS-0505: Vantage to Pomona Heights 230 kV Transmission Line Project, Yakima, Grant, Benton and Kittitas Counties, Washington  

Broader source: Energy.gov [DOE]

The Bureau of Land Management is preparing, with DOE’s Bonneville Power Administration (BPA) as a cooperating agency, an EIS that evaluates the potential environmental impacts of a proposal to construct a 60- to 67-mile long 230-kV transmission line. BPA’s proposed action is to interconnect the transmission line to an existing BPA substation. Additional information is available at http://www.blm.gov/or/districts/spokane/plans/vph230/.

129

Heavy duty insulator assemblies for 500-kV bulk power transmission line with large diameter octagonalbundled conductor  

SciTech Connect (OSTI)

This paper describes the design procedure and the results of field tests on mechanical performances of insulator assemblies newly developed to support octagonal-bundled conductors for 500-kV bulk power transmission. Taking account of conductor-motion-induced peak tensile load, fatigue, torsional torque and others, a successful design has been achieved in two prototype assemblies for such heavy mechanical duties as encountered during conductor galloping or swing. This has been proved throughout three years of the field tests.

Tsujimoto, K.; Hayase, I.; Hirai, J.; Inove, M.; Naito, K.; Yukino, T.

1982-11-01T23:59:59.000Z

130

EIS-0025: Miles City-New Underwood 230-kV Electrical Transmission Line, Montana, North Dakota, and South Dakota  

Broader source: Energy.gov [DOE]

The U.S. Department of Energy’s Western Area Power Administration prepared this statement to assess the environmental and socioeconomic implications of its proposed action to construct a 3.28-mile, 230-kV transmission line between Miles City and Baker, Montana , Hettinger, North Dakota , and New Underwood , South Dakota , in Custer and Fallon Counties in Montana, Adams , Bowman , and Slope Counties in North Dakota and Meade, Pennington, and Perkins Counties in South Dakota.

131

Directives Tools  

Broader source: Directives, Delegations, and Requirements [Office of Management (MA)]

Useful links and resources for Directives Writers, Directives Point of Contact (DPCs), Subject Matter Experts (SMEs), and Draft Directive Reviewers.

132

Ocean indicators Current knowledge and future directions  

E-Print Network [OSTI]

-016-00) Hatchery Wild #12;Spatial distribution is stock-specific #12;Steelhead R2 = 0.68 Group A with 1-year lag R2 of mechanistic understanding · Plugging in to management #12;Managing for Harvest Egg take Escapement (hatchery

133

Direct current, closed furnace silicon technology  

SciTech Connect (OSTI)

The dc closed furnace technology for smelting silicon offers technical operating challenges, as well as, economic opportunities for off-gas recovery, reduced electrode consumption, reduced reductant oxidation losses, reduced energy consumption, and improved silicon recovery. The 10 mva dc closed furnace is located in East Selkirk, Manitoba. Construction of this pilot plant was started in September 1990. Following successful commissioning of the furnace in 1992, a number of smelting tests have been conducted aimed at optimization of the furnace operation and the raw material mix. The operation of a closed furnace is significantly different from an open furnace operation. The major difference being in the mechanical movement of the mix, off-gas recovery, and inability to observe the process. These differences made data collection and analysis critical in making operating decisions. This closed furnace was operated by computer control (state of the art in the smelling industry).

Dosaj, V.D. [Dow Corning Corp., Midland, MI (United States); May, J.B. [Dow Corning Corp., Freeland, MI (United States); Arvidson, A.N. [Meadow Materials, Manitoba (Canada)

1994-05-01T23:59:59.000Z

134

Current Directions in Freight and Logistics Industry  

E-Print Network [OSTI]

Sources: Department of Energy & ATASources: Department of Energy & ATA #12;Rural Manufacturing Plants

Minnesota, University of

135

Pacific Direct Current Intertie (PDCI) Upgrade Project  

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:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 - September 2006 TheSteven Ashby Dr. Steven Para9 Revision: 0 Issued:

136

Sandia National Laboratories: direct-current motor  

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:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1development Sandia, NRELdeep-water multiple-megawatt

137

Environmental Assessment of the Gering-Stegall 115-kV Transmission Line Consolidation Project, Scotts Bluff County, Nebraska  

SciTech Connect (OSTI)

The Department of Energy (DOE), Western Area Power Administration (Western) proposes to consolidate segments of two transmission lines near the Gering Substation in Gering, Nebraska. The transmission lines are both located in Scotts Bluff County, Nebraska. The transmission lines are both located in Scotts Bluff County, Nebraska, within the city of Gering. Presently, there are three parallel 115-kilovolt (kV) transmission lines on separate rights-of-way (ROW) that terminate at the Gering Substation. The project would include dismantling the Archer-Gering wood-pole transmission line and rebuilding the remaining two lines on single-pole steel double circuit structures. The project would consolidate the Gering-Stegall North and Gering-Stegall South 115-kV transmission lines on to one ROW for a 1.33-mile segment between the Gering Substation and a point west of the Gering Landfill. All existing wood-pole H-frame structures would be removed, and the Gering-Stegall North and South ROWs abandoned. Western is responsible for the design, construction, operation, and maintenance of the line. Western prepared an environmental assessment (EA) that analyzed the potential environmental impacts of the proposed construction, operation, and maintenance of the 115-kV transmission line consolidation. Based on the analyses in the EA, the DOE finds that the proposed action is not a major Federal action significantly affecting the quality of the human environment, within the meaning of the National Environmental Policy Act of 1969 (NEPA).

NONE

1995-05-01T23:59:59.000Z

138

Big George to Carter Mountain 115-kV transmission line project, Park and Hot Springs Counties, Wyoming. Environmental Assessment  

SciTech Connect (OSTI)

The Western Area Power Administration (Western) is proposing to rebuild, operate, and maintain a 115-kilovolt (kV) transmission line between the Big George and Carter Mountain Substations in northwest Wyoming (Park and Hot Springs Counties). This environmental assessment (EA) was prepared in compliance with the National Environmental Policy Act (NEPA) and the regulations of the Council on Environmental Quality (CEQ) and the Department of Energy (DOE). The existing Big George to Carter Mountain 69-kV transmission line was constructed in 1941 by the US Department of Interior, Bureau of Reclamation, with 1/0 copper conductor on wood-pole H-frame structures without an overhead ground wire. The line should be replaced because of the deteriorated condition of the wood-pole H-frame structures. Because the line lacks an overhead ground wire, it is subject to numerous outages caused by lightning. The line will be 54 years old in 1995, which is the target date for line replacement. The normal service life of a wood-pole line is 45 years. Under the No Action Alternative, no new transmission lines would be built in the project area. The existing 69-kV transmission line would continue to operate with routine maintenance, with no provisions made for replacement.

Not Available

1994-02-01T23:59:59.000Z

139

EIS-0005-FS: Bonneville Power Administration Proposed FY 1979 Program, Facility Location on Supplement, Southwest Oregon Area Service, Buckley-Summer Lake 500 kV Line, Supplemental  

Broader source: Energy.gov [DOE]

This Bonneville Power Administration document assesses the environmental impacts of constructing transmission facilities, which will coordinate with the Midpoint-Malin 500-kV line to be constructed by the Pacific Power and Light (PP&L) Company. The proposed action includes the construction of the 1.56-mile Buckley-Summer Lake 500-kV transmission line; the proposed Buckley Substation near Maupin, Oregon; and the proposed Summer Lake Substation near Silver Lake, Oregon.

140

Polarized electron beams at milliampere average current  

SciTech Connect (OSTI)

This contribution describes some of the challenges associated with developing a polarized electron source capable of uninterrupted days-long operation at milliAmpere average beam current with polarization greater than 80%. Challenges will be presented in the context of assessing the required level of extrapolation beyond the performance of today’s CEBAF polarized source operating at ? 200 uA average current. Estimates of performance at higher current will be based on hours-long demonstrations at 1 and 4 mA. Particular attention will be paid to beam-related lifetime-limiting mechanisms, and strategies to construct a photogun that operate reliably at bias voltage > 350kV.

Poelker, M. [Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606 (United States)

2013-11-07T23:59:59.000Z

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


141

Directed Energy  

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

Directed Energy The Directed Energy Program provides laser systems design, engineering and production for specific applications and missions, experimentally validated...

142

Generation of high-current electron beam in a wide-aperture open discharge  

SciTech Connect (OSTI)

In the present study, it was examined generation of nanosecond-duration electron-beam (EB) pulses by a wide-aperture open discharge burning in helium or in a mixture of helium with nitrogen and water vapor. In the experiments, a discharge cell with coaxial electrode geometry, permitting radial injection of the electron beam into operating lasing medium, was used, with the cathode having radius 2.5 cm and length 12 cm. It was shown possible to achieve an efficient generation of a high-intensity electron beam (EB pulse power {approx}250 MW and EB pulse energy up to 4 J) in the kiloampere range of discharge currents (up to 26 kA at {approx}12 kV discharge voltage). The current-voltage characteristics of the discharge proved to be independent of the working-gas pressure. The existence of an unstable dynamic state of EB, conditioned by the presence of an uncompensated space charge accumulated in the discharge cell due to the exponential growth of the current in time during discharge initiation and the hyperbolic growth of current density in the direction towards the tube axis, was revealed. The obtained pulsed electron beam was used to excite the self-terminated laser on He 2{sup 1}P{sub 1}{sup 0}-2{sup 1}S{sub 0} transition. The oscillations developing in the discharge cell at high discharge currents put limit to the pumping energy and emissive power of the laser excited with the radially converging electron beam.

Bokhan, P. A.; Zakrevsky, Dm. E.; Gugin, P. P. [A. V. Rzhanov Institute of Semiconductor Physics, Siberian Branch of the Russian Academy of Sciences, prospekt Lavrent'eva 13, Novosibirsk 630090 (Russian Federation)

2011-10-15T23:59:59.000Z

143

Electric current locator  

DOE Patents [OSTI]

The disclosure herein provides an apparatus for location of a quantity of current vectors in an electrical device, where the current vector has a known direction and a known relative magnitude to an input current supplied to the electrical device. Mathematical constants used in Biot-Savart superposition equations are determined for the electrical device, the orientation of the apparatus, and relative magnitude of the current vector and the input current, and the apparatus utilizes magnetic field sensors oriented to a sensing plane to provide current vector location based on the solution of the Biot-Savart superposition equations. Description of required orientations between the apparatus and the electrical device are disclosed and various methods of determining the mathematical constants are presented.

King, Paul E. (Corvallis, OR); Woodside, Charles Rigel (Corvallis, OR)

2012-02-07T23:59:59.000Z

144

Current Rusume  

E-Print Network [OSTI]

Research Interest Rough paths theory, Stochastic differential equations, ... I am currently working on a problem about stochastic analysis on Riemannian folia-.

2015-02-09T23:59:59.000Z

145

A Superconducting transformer system for high current cable testing  

E-Print Network [OSTI]

A Superconducting Transformer System for High Current Cablea Direct-Current (DC) superconducting transformer system forhigh current test of superconducting cables. The transformer

Godeke, A.

2010-01-01T23:59:59.000Z

146

Manufacturing challenges of optical current and voltage sensors for utility applications  

SciTech Connect (OSTI)

Measurement of voltages and currents in power transmission and distribution systems are critical to the electric utility industry for both revenue metering and reliability. Nonconventional instrument transformers based on intensity modulation of optical signals have been reported in the literature for more than 20 years. Recently described devices using passive bulk optical sensor elements include the Electro-Optic Voltage Transducer (EOVT) and Magneto-Optic Current Transducer (MOCT). These technologies offer substantial advantages over conventional instrument transformers in accuracy, optical isolation bandwidth, environmental compatibility, weight and size. This paper describes design and manufacturing issues associated with the EOVT and the Optical Metering Unit (OMU) recently introduced by ABB with field installation results presented for prototype units in the 345 kV and 420 kV voltage classes. The OMU incorporates an EOVT and MOCT to monitor the voltage and current on power transmission lines using a single free-standing device.

Yakymyshyn, C.P. [Montana State Univ., Bozeman, MT (United States). Dept. of Electrical and Computer Engineering; Brubaker, M.A. [Los Alamos National Lab., NM (United States); Johnston, P.M. [Johnston (Paul M.), Raleigh, NC (United States); Reinbold, C. [ABB High Voltage Switchgear, Greensburg, PA (United States)

1997-12-01T23:59:59.000Z

147

High-Compression-Ratio; Atkinson-Cycle Engine Using Low-Pressure Direct Injection and Pneumatic-Electronic Valve Actuation Enabled by Ionization Current and Foward-Backward Mass Air Flow Sensor Feedback  

SciTech Connect (OSTI)

This report describes the work completed over a two and one half year effort sponsored by the US Department of Energy. The goal was to demonstrate the technology needed to produce a highly efficient engine enabled by several technologies which were to be developed in the course of the work. The technologies included: (1) A low-pressure direct injection system; (2) A mass air flow sensor which would measure the net airflow into the engine on a per cycle basis; (3) A feedback control system enabled by measuring ionization current signals from the spark plug gap; and (4) An infinitely variable cam actuation system based on a pneumatic-hydraulic valve actuation These developments were supplemented by the use of advanced large eddy simulations as well as evaluations of fuel air mixing using the KIVA and WAVE models. The simulations were accompanied by experimental verification when possible. In this effort a solid base has been established for continued development of the advanced engine concepts originally proposed. Due to problems with the valve actuation system a complete demonstration of the engine concept originally proposed was not possible. Some of the highlights that were accomplished during this effort are: (1) A forward-backward mass air flow sensor has been developed and a patent application for the device has been submitted. We are optimistic that this technology will have a particular application in variable valve timing direct injection systems for IC engines. (2) The biggest effort on this project has involved the development of the pneumatic-hydraulic valve actuation system. This system was originally purchased from Cargine, a Swedish supplier and is in the development stage. To date we have not been able to use the actuators to control the exhaust valves, although the actuators have been successfully employed to control the intake valves. The reason for this is the additional complication associated with variable back pressure on the exhaust valves when they are opened. As a result of this effort, we have devised a new design and have filed for a patent on a method of control which is believed to overcome this problem. The engine we have been working with originally had a single camshaft which controlled both the intake and exhaust valves. Single cycle lift and timing control was demonstrated with this system. (3) Large eddy simulations and KIVA based simulations were used in conjunction with flow visualizations in an optical engine to study fuel air mixing. During this effort we have devised a metric for quantifying fuel distribution and it is described in several of our papers. (4) A control system has been developed to enable us to test the benefits of the various technologies. This system used is based on Opal-RT hardware and is being used in a current DOE sponsored program.

Harold Schock; Farhad Jaberi; Ahmed Naguib; Guoming Zhu; David Hung

2007-12-31T23:59:59.000Z

148

Development and interrupting tests on 250KV 8KA HVDC circuit breaker  

SciTech Connect (OSTI)

This paper describes the circuit and component selections, development and equivalent circuit test results on an HVDC circuit breaker for an HVDC transmission line. A puffer type SF/sub 6/ gas interrupter for AC circuit breakers is utilized for interrupting DC current with injection of high-frequency inverse current from a commutating capacitor precharged to HVDC line voltage. Also, the effectiveness of application of the HVDC breaker to an HVDC system with two parallel transmission lines is demonstrated through the EMTP simulation.

Tokuyama, S.; Arimatsu, K.; Hirata, K.; Kato, Y.; Yoshioka, Y.

1985-09-01T23:59:59.000Z

149

Stray current interference control for HVDC earth currents  

SciTech Connect (OSTI)

High-voltage direct current (HVDC) transmission lines exist around the world, with several in the US. When one conductor must be taken out of operation (in case of emergency), the earth may be used as an alternate conductor. The earth current may be accumulated on and discharged from underground metallic structures that cross the voltage gradient created by the current. Test results on two lines showed that stray current interference is not a major problem if mitigated properly.

Fitzgerald, J.H. III [PSG Corrosion Engineering/Corrpro Cos., Detroit, MI (United States); Kroon, D.H. [Corrpro Companies Inc., Spring, TX (United States)

1995-06-01T23:59:59.000Z

150

Current Titles  

SciTech Connect (OSTI)

This booklet is published for those interested in current research being conducted at the National Center for Electron Microscopy. The NCEM is a DOE-designated national user facility and is available at no charge to qualified researchers. Access is controlled by an external steering committee. Interested researchers may contact Jane Cavlina, Administrator, at 510/486-6036.

Various

2006-06-01T23:59:59.000Z

151

Increasing the reliability of the shutdown of 500 - 750-kV overhead lines equipped with shunt reactors in an unsuccessful three-phase automatic repeated closure cycle  

SciTech Connect (OSTI)

The reasons for circuit-breaker failures during repeated disconnection of 500 - 750 kV overhead lines with shunt reactors in a cycle of unsuccessful three-phase automatic reconnection (TARC) are analyzed. Recommendations are made for increasing the operating reliability of power transmission lines with shunt reactors when there is unsuccessful reconnection.

Kuz'micheva, K. I.; Merzlyakov, A. S.; Fokin, G. G. [JSC 'R and D Center at Federal Grid Company of the United Power System' (Russian Federation)

2013-05-15T23:59:59.000Z

152

Type A Accident Investigation Report on the June 25, 1997, Contractor Inspector Fatality on the Satsop-Aberdeen #2 & #3 230 kV Line  

Broader source: Energy.gov [DOE]

On June 27, 1997, I established a Type-A Accident Investigation Board to investigate the June 25, 1997 fatal contractor accident which occurred on BPA?s Satsop-Aberdeen #2 and #3 230-kV transmission lines right-of-way.

153

Fast 8 kV metal-oxide semiconductor field-effect transistor switch R. E. Continetti, D. R. Cyr,al and D. M. Neumarkb)  

E-Print Network [OSTI]

V. A key to this approach is the use of a metal-oxide varistor (MOV) to clamp the voltage acrossa givenFast 8 kV metal-oxide semiconductor field-effect transistor switch R. E. Continetti, D. R. Cyr transformer-isolatedpower metal-oxide semiconductor field-effect transistors in seriesis described

Neumark, Daniel M.

154

High speed transfer switch with 50 kA and 50 kV  

SciTech Connect (OSTI)

This paper gives the mechanical design and electrical parameters of a pneumatically operated transfer switch. This design is used to switch 3-second 50-kA current pulses, and is easily capable of 75 kA operation (2 {times} 10{sup 10} I{sup 2}t); with water-cooled versions capable of 20 kA continuously. Although the switch is not specifically designed to make or break 50 kA, it is provided with auxiliary Elkonite arcing contacts have proven their value in protecting the main electrodes even under repetitive (50 kA) fault conditions. Included in this presentation will be the results of extensive life testing and associated criteria. 6 figs., 1 tab.

Reass, W.A.; Kasik, R.J.; Wilds, W.A.

1989-01-01T23:59:59.000Z

155

Current Contracts  

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:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary)morphinanInformation InInformationCenterResearchCASLNanoporousTestimonyContact Us -SeparationsRelevantCurrent

156

Beam current sensor  

DOE Patents [OSTI]

A current sensor for measuring the dc component of a beam of charged particles employs a superconducting pick-up loop probe, with twisted superconducting leads in combination with a Superconducting Quantum Interference Device (SQUID) detector. The pick-up probe is in the form of a single-turn loop, or a cylindrical toroid, through which the beam is directed and within which a first magnetic flux is excluded by the Meisner effect. The SQUID detector acts as a flux-to-voltage converter in providing a current to the pick-up loop so as to establish a second magnetic flux within the electrode which nulls out the first magnetic flux. A feedback voltage within the SQUID detector represents the beam current of the particles which transit the pick-up loop. Meisner effect currents prevent changes in the magnetic field within the toroidal pick-up loop and produce a current signal independent of the beam's cross-section and its position within the toroid, while the combination of superconducting elements provides current measurement sensitivities in the nano-ampere range.

Kuchnir, M.; Mills, F.E.

1984-09-28T23:59:59.000Z

157

Beam current sensor  

DOE Patents [OSTI]

A current sensor for measuring the DC component of a beam of charged particles employs a superconducting pick-up loop probe, with twisted superconducting leads in combination with a Superconducting Quantum Interference Device (SQUID) detector. The pick-up probe is in the form of a single-turn loop, or a cylindrical toroid, through which the beam is directed and within which a first magnetic flux is excluded by the Meisner effect. The SQUID detector acts as a flux-to-voltage converter in providing a current to the pick-up loop so as to establish a second magnetic flux within the electrode which nulls out the first magnetic flux. A feedback voltage within the SQUID detector represents the beam current of the particles which transit the pick-up loop. Meisner effect currents prevent changes in the magnetic field within the toroidal pick-up loop and produce a current signal independent of the beam's cross-section and its position within the toroid, while the combination of superconducting elements provides current measurement sensitivites in the nano-ampere range.

Kuchnir, Moyses (Elmhurst, IL); Mills, Frederick E. (Elburn, IL)

1987-01-01T23:59:59.000Z

158

Directives System  

Broader source: Directives, Delegations, and Requirements [Office of Management (MA)]

The Department of Energy (DOE) Directives System is the means by which DOE policies, requirements, and responsibilities are developed and communicated throughout the Department. Directives are used to inform, direct, and guide employees in the performance of their jobs, and to enable employees to work effectively within the Department and with agencies, contractors, and the public. Cancels: DOE O 251.1, DOE M 251.1-1

1998-01-30T23:59:59.000Z

159

Seasonal Patterns of Melatonin, Cortisol, and Progesterone Secretion in Female Lambs Raised Beneath a 500-kV Transmission Line.  

SciTech Connect (OSTI)

Although several kinds of biological effects of electric and magnetic fields have been reported from laboratory studies, few have been independently replicated. When this study was being planned, the suppression of nighttime melatonin in rodents was thought to represent one of the strongest known effects of these fields. The effect had been replicated by a single laboratory for 60-Hz electric fields, and by multiple laboratories for d-c magnetic fields. The primary objective of this study was to determine whether the effect of electric and magnetic fields on melatonin would also occur in sheep exposed to a high voltage transmission line. The specific hypothesis tested by this experiment was as follows: The electrical environment produced by a 60-Hz, 500-kV transmission line causes a depression in nocturnal melatonin in chronically exposed female lambs. This may mimic effects of pinealectomy or constant long-day photoperiods, thus delaying the onset of reproductive cycles. Results of the study do not provide evidence to support the hypothesis. Melatonin concentrations in the sheep exposed to the transmission line showed the normal pattern of low daytime and high nighttime serum levels. As compared to the control group, there were no statistically significant group differences in the mean amplitude, phase, or duration of the nighttime melatonin elevation.

Lee, Jack M.

1992-06-01T23:59:59.000Z

160

The bridge-type fault current controller--a new facts controller  

SciTech Connect (OSTI)

The operation of a novel current controller, which can also function as a fault current limiter and as a solid-state ac circuit breaker, is presented. The controller, which consists of a thyristor bridge, an inductor, and an optional bias power supply, is installed in series with the voltage source and the load, For load current values smaller than a preset value, the inductor of the current controller presents no impedance to the ac current flow. For values higher than the preset current value, the inductor is switched automatically into the ac circuit and limits the amount of current flow. Theoretical results in the form of circuit simulations and experimental results with a single-phase unit, operating on a 13.7 kV three-phase system with peak short-circuit currents of 3140 Arms, are presented.

Boenig, Heinrich J.; Mielke, C. H. (Charles H.); Burley, B. L. (Burt L.); Chen, Hong; Waynert, J. A. (Joseph A.); Willis, J. O. (Jeffrey O.)

2002-01-01T23:59:59.000Z

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


161

High-efficiency solar cells fabricated from direct-current magnetron sputtered n-indium tin oxide onto p-InP grown by atmospheric pressure metalorganic vapor phase epitaxy  

SciTech Connect (OSTI)

Solar cells based on dc magnetron sputtered indium tin oxide onto epitaxially grown films of p-InP have been fabricated and analyzed. The best cells had a global efficiency of 18.4% and an air mass zero (AMO) efficiency of 16.0%. The principal fabrication variable considered was the constituency of the sputtering gas and both argon/hydrogen and argon/oxygen mixtures have been used. The former cells have the higher efficiencies, are apparently stable, and exhibit almost ideal junction characteristics. The latter cells are relatively unstable and exhibit much higher ideality factors and reverse saturation current densities. The temperature dependence of the reverse saturation current indicates totally different charge transfer mechanisms in the two cases.

Li, X.; Wanlass, M.W.; Gessert, T.A.; Emery, K.A.; Coutts, T.J.

1989-05-01T23:59:59.000Z

162

EIS-0486: DOE Notice of Availability of Draft Environmental Impact...  

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

project would include an overhead 600 kilovolt (kV) high voltage direct current (HVDC) electric transmission system and associated facilities with the capacity to deliver...

163

EIS-0486: Notice of Intent and Notice of Potential Floodplain...  

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

project would include an overhead 600 kilovolt (kV) high voltage direct current (HVDC) electric transmission system and associated facilities with the capacity to deliver...

164

EIS-0486-NOI-2012.pdf  

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

project would include an overhead 600 kilovolt (kV) high voltage direct current (HVDC) electric transmission system and associated facilities with the capacity to deliver...

165

Directives Help  

Broader source: Directives, Delegations, and Requirements [Office of Management (MA)]

All DOE directives are available through this site. While it may seem overwhelming, given the number of documents, we have provided a number of ways in which you may get to the information you need.

166

Draft environmental impact statement for construction and operation of the proposed Bangor Hydro-Electric Company`s second 345-kV transmission tie line to New Brunswick  

SciTech Connect (OSTI)

This Draft Environmental Impact Statement (DEIS) was prepared by the US Department of Energy (US DOE). The proposed action is the issuance of Presidential Permit PP-89 by DOE to Bangor Hydro-Electric Company to construct and operate a new international transmission line interconnection to New Brunswick, Canada that would consist of an 83.8 mile (US portion), 345-kilovolt (kV) alternating current transmission line from the US-Canadian border at Baileyville, Maine to an existing substation at Orrington, Maine. The principal environmental impacts of the construction and operation of the transmission line would be incremental in nature and would include the conversion of forested uplands (mostly commercial timberlands) and wetlands to right-of-way (small trees, shrubs, and herbaceous vegetation). The proposed line would also result in localized minor to moderate visual impacts and would contribute a minor incremental increase in the exposure of some individuals to electromagnetic fields. This DEIS documents the purpose and need for the proposed action, describes the proposed action and alternatives considered and provides a comparison of the proposed and alternatives routes, and provides detailed information on analyses of the environmental consequences of the proposed action and alternatives, as well as mitigative measures to minimize impacts.

NONE

1993-10-01T23:59:59.000Z

167

Beam extraction and high stability operation of high current electron cyclotron resonance proton ion source  

SciTech Connect (OSTI)

A high current electron cyclotron resonance proton ion source is designed and developed for the low energy high intensity proton accelerator at Bhabha Atomic Research Centre. The plasma discharge in the ion source is stabilized by minimizing the reflected microwave power using four stub auto tuner and magnetic field. The optimization of extraction geometry is performed using PBGUNS code by varying the aperture, shape, accelerating gap, and the potential on the electrodes. While operating the source, it was found that the two layered microwave window (6 mm quartz plate and 2 mm boron nitride plate) was damaged (a fine hole was drilled) by the back-streaming electrons after continuous operation of the source for 3 h at beam current of 20–40 mA. The microwave window was then shifted from the line of sight of the back-streaming electrons and located after the water-cooled H-plane bend. In this configuration the stable operation of the high current ion source for several hours is achieved. The ion beam is extracted from the source by biasing plasma electrode, puller electrode, and ground electrode to +10 to +50 kV, ?2 to ?4 kV, and 0 kV, respectively. The total ion beam current of 30–40 mA is recorded on Faraday cup at 40 keV of beam energy at 600–1000 W of microwave power, 800–1000 G axial magnetic field and (1.2–3.9) × 10{sup ?3} mbar of neutral hydrogen gas pressure in the plasma chamber. The dependence of beam current on extraction voltage, microwave power, and gas pressure is investigated in the range of operation of the ion source.

Roychowdhury, P., E-mail: pradipr@barc.gov.in; Mishra, L.; Kewlani, H.; Mittal, K. C. [Accelerator and Pulse Power Division, Bhabha Atomic Research Centre, Trombay, Mumbai 400085 (India)] [Accelerator and Pulse Power Division, Bhabha Atomic Research Centre, Trombay, Mumbai 400085 (India); Patil, D. S. [Laser and Plasma Technology Division, Bhabha Atomic Research Centre, Trombay, Mumbai 400085 (India)] [Laser and Plasma Technology Division, Bhabha Atomic Research Centre, Trombay, Mumbai 400085 (India)

2014-03-15T23:59:59.000Z

168

Analysis of WACSIS data using a directional hybrid wave model  

E-Print Network [OSTI]

.1 Backgrounds.........................................................................................1 1.2 Objectives.............................................................................................5 II DIRECTIONAL HYBRID WAVE MODEL... ......................................................................41 V ANALYSIS OF DIRECTIONAL WAVE FIELDS WITH STRONG CURRENT ...............................................................................................45 5.1 Introduction...

Zhang, Shaosong

2007-04-25T23:59:59.000Z

169

Current balancing for battery strings  

DOE Patents [OSTI]

A battery plant is described which features magnetic circuit means for balancing the electrical current flow through a pluraliircuitbattery strings which are connected electrically in parallel. The magnetic circuit means is associated with the battery strings such that the conductors carrying the electrical current flow through each of the battery strings pass through the magnetic circuit means in directions which cause the electromagnetic fields of at least one predetermined pair of the conductors to oppose each other. In an alternative embodiment, a low voltage converter is associated with each of the battery strings for balancing the electrical current flow through the battery strings.

Galloway, James H. (New Baltimore, MI)

1985-01-01T23:59:59.000Z

170

Development of NS-TACSR with extremely suppressed aeolian noise and its application to 500 kV overhead transmission lines  

SciTech Connect (OSTI)

Recently in Japan, with the unprecedented advance of residential area development in the suburbs of large cities, it has become quite difficult to secure the routes of EHV transmission lines from nuclear power plants in remote places to the suburbs of large cities, urging resolution of environmental problems related to transmission lines. In Japan, aerodynamic sound produced by conductors and insulators frequently caused noise problems. Having an opportunity of constructing a 500 kV transmission line through a residential are, we made a research to resolve this noise problem. This paper describes the characteristics of aeolian noise and preventive measures against it.

Tsujimoto, K.; Furukawa, S. (Kansai Electric Power Co., Inc., Osaka (Japan)); Shimojima, K.; Yamamoto, K. (Hitachi Cable, Ltd., Hitachi (JP))

1991-10-01T23:59:59.000Z

171

Development of a high current H{sup -} source for ESS  

SciTech Connect (OSTI)

For the European Spallation Source (ESS), a volume source based on the HIEFS (high efficiency source) is being developed. The source will be optimized to produce high current densities in pulsed operation. A pulse generator delivering 1 to 1.5 ms pulses was installed. Furthermore, cesium was supplied to the plasma generator from an external oven. The cesium injection was optimized for a low e/H{sup -} ratio and a high current. We obtained a current density of 70 mA/cm{sup 2}. This way, with an aperture radius of 4.25 mm, an H{sup -} current of 40 mA was extracted at an extraction voltage of 22 kV. After a description of the source and the experimental setup, measurements of the beam current density and the e/H{sup -} ratio will be presented in this paper.

Maaser, A.; Beller, P.; Klein, H.; Volk, K.; Weber, M. [Institut fuer Angewandte Physik, Universitaet Frankfurt Robert-Mayer-Str. 2-4, 60054 Frankfurt am Main (Germany)

1998-08-20T23:59:59.000Z

172

Current Directions in Psychological 20(6) 400406  

E-Print Network [OSTI]

and permission: sagepub.com/journalsPermissions.nav DOI: 10.1177/0963721411429125 http://cdps.sagepub.com Charles, wide-eyed expression) evolved to express certain internal mental states (e.g., fear) and that humans scien- tific papers casually state that expressions are innate and uni- versally recognized. Research

Barrett, Lisa Feldman

173

http://cdp.sagepub.com/ Current Directions in Psychological  

E-Print Network [OSTI]

A Window on Reality : Perceiving Edited Moving Images Published by: http the cognitive and perceptual bases of film has been a lonely activity. Near the inception of film, some astute to understand film. Part of the reason for this lack of interest has been the presumption that the discontinuous

174

Direct-Current Resistivity Survey At Lightning Dock Area (Warpinski...  

Open Energy Info (EERE)

Survey Activity Date Usefulness not indicated DOE-funding Unknown Notes As a foundation for successful siting and drilling a deep test well, additional geophysical work has...

175

Direct-Current Resistivity Survey At Cove Fort Area - Vapor ...  

Open Energy Info (EERE)

Notes Update to Warpinski, et al., 2002 References N. R. Warpinski, A. R. Sattler, R. Fortuna, D. A. Sanchez, J. Nathwani (2004) Geothermal Resource Exploration And Definition...

176

Direct-Current Resistivity Survey At Cove Fort Area (Warpinski...  

Open Energy Info (EERE)

Notes Update to Warpinski, et al., 2002 References N. R. Warpinski, A. R. Sattler, R. Fortuna, D. A. Sanchez, J. Nathwani (2004) Geothermal Resource Exploration And Definition...

177

Direct-Current Resistivity Survey At Mt Princeton Hot Springs...  

Open Energy Info (EERE)

Survey Activity Date 2010 Usefulness useful DOE-funding Unknown Notes Used to map fracture and fluid flow patterns. References K. Richards, A. Revil, A. Jardani, F. Henderson,...

178

Direct-Current Resistivity Survey At Long Valley Caldera Geothermal...  

Open Energy Info (EERE)

conductive regions here may be caused by hydrothermal alteration or a fluid filled fracture system." References Daniel F. C. Pribnow, Claudia Schutze, Suzanne J. Hurter,...

179

Direct-Current Resistivity At Central Nevada Seismic Zone Region...  

Open Energy Info (EERE)

Activity Date Usefulness useful DOE-funding Unknown Notes NOTE: These are theoreticalcomputer simulation tests of various methods on eight hypothetical 'model' basing-and-range...

180

Direct-Current Resistivity Survey At Valles Caldera - Redondo...  

Open Energy Info (EERE)

structure in the reservoir region. Some of the data were reinterpreted using K508 computer models, and interpretations from the various surveys were compared for consistency of...

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


181

Direct-Current Resistivity Survey At Walker-Lane Transitional...  

Open Energy Info (EERE)

Activity Date Usefulness useful DOE-funding Unknown Notes NOTE: These are theoreticalcomputer simulation tests of various methods on eight hypothetical 'model' basing-and-range...

182

Direct-Current Resistivity Survey At Northern Basin & Range Region...  

Open Energy Info (EERE)

Activity Date Usefulness useful DOE-funding Unknown Notes NOTE: These are theoreticalcomputer simulation tests of various methods on eight hypothetical 'model' basing-and-range...

183

Direct-Current Resistivity Survey At Nw Basin & Range Region...  

Open Energy Info (EERE)

Activity Date Usefulness useful DOE-funding Unknown Notes NOTE: These are theoreticalcomputer simulation tests of various methods on eight hypothetical 'model' basing-and-range...

184

Direct-Current Resistivity Survey At Central Nevada Seismic Zone...  

Open Energy Info (EERE)

Activity Date Usefulness useful DOE-funding Unknown Notes NOTE: These are theoreticalcomputer simulation tests of various methods on eight hypothetical 'model' basing-and-range...

185

High-voltage direct current handbook: First edition  

SciTech Connect (OSTI)

HVDC systems offer opportunities for power transfer between asynchronous systems, improved performance of the ac system in which the dc link is integrated, and possibly increased power transfer across existing lines if converted to HVDC. This handbook is intended to help planners and engineers understand the intricacies of HVDC systems.

Piwko, R.J.; Leonard, D.J.; Nolan, J.J.; Thorpe, J.B. [eds.] [GE Industrial and Power Systems, Schenectady, NY (United States)

1994-12-31T23:59:59.000Z

186

Direct-Current Resistivity Survey At Lightning Dock Area (Cunniff...  

Open Energy Info (EERE)

traverse, but was offset northward more than 500 feet to avoid the producing geothermal wells and other manmade cultural effects in the area. The locations for these two...

187

Direct-Current Resistivity Survey At Blue Mountain Area (Fairbank  

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 on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 NoPublic Utilities Address:011-DNA Jump to:52c8ff988c1Dering Harbor, NewRidge,Dinwiddie County,|Open

188

Direct-Current Resistivity Survey At Valles Caldera - Redondo Geothermal  

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 on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 NoPublic Utilities Address:011-DNA Jump to:52c8ff988c1Dering Harbor, NewRidge,Dinwiddie(FURUMOTO,Open Energy2006)Area

189

Direct-Current Resistivity Survey At Valles Caldera - Sulphur Springs  

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 on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 NoPublic Utilities Address:011-DNA Jump to:52c8ff988c1Dering Harbor, NewRidge,Dinwiddie(FURUMOTO,Open

190

Current Delegations by Functional Area - DOE Directives, Delegations, and  

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:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc DocumentationP-Series to UserProduct: Crude OilPublic Safety and ResourceTRANSCOM

191

Current Delegations by Position - DOE Directives, Delegations, and  

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:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc DocumentationP-Series to UserProduct: Crude OilPublic Safety and

192

Sandia National Laboratories: temporal variation of current direction  

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

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193

Direct-Current Resistivity At Central Nevada Seismic Zone Region  

Open Energy Info (EERE)

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194

Direct-Current Resistivity Survey | Open Energy Information  

Open Energy Info (EERE)

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195

DIRECT-DRIVE AND EDDY-CURRENT SEPTUM MAGNETS  

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

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196

Category:Direct-Current Resistivity Survey | 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 on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 NoPublic Utilities Address: 160Benin: EnergyBostonFacilityCascade SierraStatus Statuspage? For detailed information

197

Direct-Current Resistivity Survey At Mauna Loa Southwest Rift...  

Open Energy Info (EERE)

not indicated DOE-funding Unknown Notes Field surveys in the South Point area were limited to a series of Schlumberger soundings and a self-potential traverse across the...

198

An Introduction to Wave-Current Interactions  

E-Print Network [OSTI]

-scale wave focusing across a storm can re-direct the wind-stress? #12;1. Adiabatic interaction StartAn Introduction to Wave-Current Interactions Jerry Smith, MPL-SIO-UCSD jasmith@ucsd.edu http just want to hold up your hand. #12;Some Questions in Wave-Current Interaction Physics 1. Adiabatic

Smith, Jerome A.

199

Environmental Assessment and Finding of No Significant Impact: Curecanti-Lost Canyon 230-kV Transmission Line Reroute Project, Montrose County, Colorado  

SciTech Connect (OSTI)

The Department of Energy (DOE), Western Area Power Administration (Western) is proposing to reroute a section of the Curecanti-Lost Canyon 230-kilovolt (kV) transmission line, in Montrose County, Colorado. A portion of the transmission line, situated 11 miles southeast of Montrose, Colorado, crosses Waterdog Peak, an area of significant geologic surface activity, which is causing the transmission line's lattice steel towers to shift. This increases stress to structure hardware and conductors, and poses a threat to the integrity of the transmission system. Western proposes to relocate the lattice steel towers and line to a more geologically stable area. The existing section of transmission line and the proposed relocation route cross Bureau of Land Management and private land holdings.

N /A

2000-03-20T23:59:59.000Z

200

Directives Help - DOE Directives, Delegations, and Requirements  

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

Directives Help by Website Administrator All DOE directives are available through this site. While it may seem overwhelming, given the number of documents, we have provided a...

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


201

Effects of fiber direction on heat conduction in unidirectionally aligned fiber composites  

E-Print Network [OSTI]

Composites, " Journal of Applied Mechanics, Vol. 46, pp. 563-567. 44 APPENDIX A NOMENCI ATURE 2G A A d If k k?k, Iy kf km k?k, k? k?, y, k? kgs~ k~v~ kss i, m) B qs 9cai~ q~s S T W s&p~s /f 'y lF V Vf im r fiber spacing... of MASTER OF SCIENCE December 1987 Major Subject: Mechanical Engineering EFFECTS OF FIBER DIRECTION ON HEAT CONDUCTION IN UNIDIRECTIONALLY ALIGNED FIBER COMPOSITES A Thesis CLARK REAGAN HAVIS Approved as to style and content by: G. P. Peterson...

Havis, Clark Reagan

1987-01-01T23:59:59.000Z

202

GENERATION OF A 5A, 10kV HOLLOW ELECTRON BEAM BY A PIERCE GUN J.J. BARROSO, P.J. CASTRO, J.O. ROSSI, J.A.N. GONALVES, and H. PATIRE JR.  

E-Print Network [OSTI]

GENERATION OF A 5A, 10kV HOLLOW ELECTRON BEAM BY A PIERCE GUN J.J. BARROSO, P.J. CASTRO, J.O. ROSSI, the monotron is the simplest microwave generator, whose principle of operation relies on transit-time effects to accelerate and inject a hollow electron into a cylindrical cavity to generate high-power microwaves at 6

203

New Switches for Utility-Scale Inverters: First In-Class Demonstration of a Completely New Type of SiC Bipolar Switch (15kV-20kV) for Utility-Scale Inverters  

SciTech Connect (OSTI)

Solar ADEPT Project: The SiCLAB is developing a new power switch for utility-scale PV inverters that would improve the performance and significantly reduce the size, weight, and energy loss of PV systems. A power switch controls the electrical energy flowing through an inverter, which takes the electrical current from a PV solar panel and converts it into the type and amount of electricity that is compatible with the electric grid. SiCLAB is using silicon carbide (SiC) semiconductors in its new power switches, which are more efficient than the silicon semiconductors used to conduct electricity in most conventional power switches today. Switches with SiC semiconductors can operate at much higher temperatures, as well as higher voltage and power levels than silicon switches. SiC-based power switches are also smaller than those made with silicon alone, so they result in much smaller and lighter electrical devices. In addition to their use in utility-scale PV inverters, SiCLAB’s new power switches can also be used in wind turbines, railways, and other smart grid applications.

None

2011-12-31T23:59:59.000Z

204

Departmental Directives Program  

Broader source: Directives, Delegations, and Requirements [Office of Management (MA)]

The Order is the primary directive for administering the Department's directives Program. Cancels: DOE O 251.1A

2006-08-16T23:59:59.000Z

205

Future Directions in Engines and Fuels  

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

Future Directions in Engines and Fuels 7 Specification HECS I (current) 1.6l 4-Cyl. Diesel Engine 60 kWl spec. Power (limited PFP) Euro 6 wo DeNOx (<1700 kg) ...

206

High-Current Accelerators  

E-Print Network [OSTI]

F i g . 13 F i g . 14 A 48 ACCELERATOR F i g . 25 F i g . 16supply. Extrapolation of accelerator energy and current9 . A-48 high-current accelerator, low-velocity end. Fig.

Lawrence, Ernest O.

1955-01-01T23:59:59.000Z

207

Control of carbon nanotube growth directions and morphology by direct current plasma enhanced chemical vapor deposition  

E-Print Network [OSTI]

Pierard, A. Fonseca, Z. Konya, I. Willems, G. Van Tendeloo,D. Mehn, G. Galbaes, Z. Konya, I. Kiricsi, Catal. Today 76,

AuBuchon, Joseph Francis

2006-01-01T23:59:59.000Z

208

Current to Current | 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 on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 NoPublic Utilities Address: 160Benin:EnergyWisconsin:2003)Crowley County,Curran, Illinois: EnergyCurrentCurrent to

209

Current Testbed Research  

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

Current Testbed Research Previous Testbed Research Proposal Process Terms and Conditions Dark Fiber Testbed Performance (perfSONAR) Software & Tools Development Partnerships...

210

Directives Quarterly Updates  

Broader source: Directives, Delegations, and Requirements [Office of Management (MA)]

Listings of new Justification Memoranda and new or revised Directives that have been posted to the DOE Directives, Delegations, and Requirements Portal. Updated quarterly.

211

Another face of DIRECT  

E-Print Network [OSTI]

authors, see for example, tree-Direct [5]. This paper ..... [4] J.M. Gablonsky, Modifications of the DIRECT Algorithm, Ph.D. Thesis, North Carolina State. University ...

chiter

2007-08-01T23:59:59.000Z

212

Current to Current Corporation | 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 on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 NoPublic Utilities Address: 160Benin:EnergyWisconsin:2003)Crowley County,Curran, Illinois: EnergyCurrent

213

Ultracapacitor current collector  

DOE Patents [OSTI]

An ultracapacitor having two solid, nonporous current collectors, two porous electrodes separating the collectors, a porous separator between the electrodes and an electrolyte occupying the pores in the electrodes and separator. At least one of the current collectors comprises a conductive metal substrate coated with a metal nitride, carbide or boride coating.

Jerabek, Elihu Calfin (Glenmont, NY); Mikkor, Mati (Ann Arbor, MI)

2001-10-16T23:59:59.000Z

214

Eddy current technique for predicting burst pressure  

DOE Patents [OSTI]

A signal processing technique which correlates eddy current inspection data from a tube having a critical tubing defect with a range of predicted burst pressures for the tube is provided. The method can directly correlate the raw eddy current inspection data representing the critical tubing defect with the range of burst pressures using a regression technique, preferably an artificial neural network. Alternatively, the technique deconvolves the raw eddy current inspection data into a set of undistorted signals, each of which represents a separate defect of the tube. The undistorted defect signal which represents the critical tubing defect is related to a range of burst pressures utilizing a regression technique.

Petri, Mark C. (Yorkville, IL); Kupperman, David S. (Oak Park, IL); Morman, James A. (Woodridge, IL); Reifman, Jaques (Western Springs, IL); Wei, Thomas Y. C. (Downers Grove, IL)

2003-01-01T23:59:59.000Z

215

Voltage controlled current source  

DOE Patents [OSTI]

A seven decade, voltage controlled current source is described for use in testing intermediate range nuclear instruments that covers the entire test current range of from 10 picoamperes to 100 microamperes. High accuracy is obtained throughout the entire seven decades of output current with circuitry that includes a coordinated switching scheme responsive to the input signal from a hybrid computer to control the input voltage to an antilog amplifier, and to selectively connect a resistance to the antilog amplifier output to provide a continuous output current source as a function of a preset range of input voltage. An operator controlled switch provides current adjustment for operation in either a real-time simulation test mode or a time response test mode.

Casne, Gregory M. (Pittsburgh, PA)

1992-01-01T23:59:59.000Z

216

Electric field induced spin-polarized current  

DOE Patents [OSTI]

A device and a method for generating an electric-field-induced spin current are disclosed. A highly spin-polarized electric current is generated using a semiconductor structure and an applied electric field across the semiconductor structure. The semiconductor structure can be a hole-doped semiconductor having finite or zero bandgap or an undoped semiconductor of zero bandgap. In one embodiment, a device for injecting spin-polarized current into a current output terminal includes a semiconductor structure including first and second electrodes, along a first axis, receiving an applied electric field and a third electrode, along a direction perpendicular to the first axis, providing the spin-polarized current. The semiconductor structure includes a semiconductor material whose spin orbit coupling energy is greater than room temperature (300 Kelvin) times the Boltzmann constant. In one embodiment, the semiconductor structure is a hole-doped semiconductor structure, such as a p-type GaAs semiconductor layer.

Murakami, Shuichi; Nagaosa, Naoto; Zhang, Shoucheng

2006-05-02T23:59:59.000Z

217

Current control circuitry  

DOE Patents [OSTI]

Among the embodiments of the present invention is an apparatus that includes a transistor (30), a servo device (40), and a current source (50). The servo device (40) is operable to provide a common base mode of operation of the transistor (30) by maintaining an approximately constant voltage level at the transistor base (32b). The current source (150) is operable to provide a bias current to the transistor (30). A first device (24) provides an input signal to an electrical node (70) positioned between the emitter (32e) of the transistor (30) and the current source (50). A second device (26) receives an output signal from the collector (32c) of the transistor (30).

Taubman, Matthew S. (Richland, WA)

2005-03-15T23:59:59.000Z

218

Directives Quarterly Updates - DOE Directives, Delegations, and  

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:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc DocumentationP-Series to UserProduct: https://www.directives.doe.gov/directives/directives

219

A study of the Antilles Current using moored current meter arrays  

E-Print Network [OSTI]

characteristics of the Savcnius rotor have been reported previously by Gaul (1962). The output from the current meter is a ro11 of 16 mm photographic film containing current direction and speed data, data on case inclination, and timing pulses. An example... the summer npeia ions, wind directions and speeds were typical for this subtropical latitude being gener;illy out of the east at Table 2. Mooring nositioning data. oorlpg; I I IFix No. !:Date, " Time I !I, " L'ST :I ~L*'- 0. ! I ILongitude Il...

Maloney, William Everett

1967-01-01T23:59:59.000Z

220

Direct/Indirect Costs  

Broader source: Directives, Delegations, and Requirements [Office of Management (MA)]

This chapter provides recommended categories for direct and indirect elements developed by the Committee for Cost Methods Development (CCMD) and describes various estimating techniques for direct and indirect costs.

1997-03-28T23:59:59.000Z

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


221

Direct Loan Program (Connecticut)  

Broader source: Energy.gov [DOE]

The Connecticut Development Authority’s Direct Loan Program provides direct senior and subordinated loans and mezzanine investments to companies creating or maintaining jobs. Up to $20,000 per job...

222

Directives System Manual  

Broader source: Directives, Delegations, and Requirements [Office of Management (MA)]

This Manual provides detailed requirements to supplement DOE O 251.1A, Directives System, dated 1-30-98.

1998-01-30T23:59:59.000Z

223

Direct process for explosives  

DOE Patents [OSTI]

A direct process of making ethylenediamine dinitrate through the reaction of ethylenediamine and ammonium nitrate is described.

Akst, I.B.; Stinecipher, M.M.

1982-10-12T23:59:59.000Z

224

Fault current limiter  

DOE Patents [OSTI]

A fault current limiter (FCL) includes a series of high permeability posts for collectively define a core for the FCL. A DC coil, for the purposes of saturating a portion of the high permeability posts, surrounds the complete structure outside of an enclosure in the form of a vessel. The vessel contains a dielectric insulation medium. AC coils, for transporting AC current, are wound on insulating formers and electrically interconnected to each other in a manner such that the senses of the magnetic field produced by each AC coil in the corresponding high permeability core are opposing. There are insulation barriers between phases to improve dielectric withstand properties of the dielectric medium.

Darmann, Francis Anthony

2013-10-08T23:59:59.000Z

225

Transformer current sensor for superconducting magnetic coils  

DOE Patents [OSTI]

A transformer current sensor having primary turns carrying a primary current for a superconducting coil and secondary turns only partially arranged within the primary turns. The secondary turns include an active winding disposed within the primary turns and a dummy winding which is not disposed in the primary turns and so does not experience a magnetic field due to a flow of current in the primary turns. The active and dummy windings are wound in opposite directions or connected in series-bucking relationship, and are exposed to the same ambient magnetic field. Voltages which might otherwise develop in the active and dummy windings due to ambient magnetic fields thus cancel out. The resultant voltage is purely indicative of the rate of change of current flowing in the primary turns.

Shen, Stewart S. (Oak Ridge, TN); Wilson, C. Thomas (Norris, TN)

1988-01-01T23:59:59.000Z

226

Current address: Samuel Johnson  

E-Print Network [OSTI]

CV: E-mail : Homepage: Current address: Samuel Johnson samuel.johnson@imperial.ac.uk www. #12;Submitted work 1. The meaning of niche: Cause or consequence of food-web structure?, S. Johnson, V learning, S. Johnson, J. Marro, and J.J. Torres, PLoS ONE 8(1): e50276 (2013) 3. Enhancing neural network

Johnson, Samuel

227

Hydrogen Delivery- Current Technology  

Broader source: Energy.gov [DOE]

Hydrogen is transported from the point of production to the point of use via pipeline, over the road in cryogenic liquid trucks or gaseous tube trailers, or by rail or barge. Read on to learn more about current hydrogen delivery and storage technologies.

228

Directives Templates - DOE Directives, Delegations, and Requirements  

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:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc DocumentationP-Series to UserProduct:Directives Templates by Website Administrator Directives

229

Joule heating generated by spin current through Josephson junctions  

SciTech Connect (OSTI)

We theoretically study the spin-polarized current flowing through a Josephson junction (JJ) in a spin injection device. When the spin-polarized current is injected from a ferromagnet in a superconductor (SC), the charge current is carried by the superconducting condensate (Cooper pairs), while the spin-up and spin-down currents flow in equal magnitude but in the opposite direction in a SC, because of no quasiparticle charge current in the SC. This indicates that not only the Josephson current but also the spin current flow across JJ at zero bias voltage, thereby generating Joule heating by the spin current. The result provides a new method for detecting the spin current by measuring Joule heating at JJ. {copyright} 2001 American Institute of Physics.

Takahashi, S.; Yamashita, T.; Koyama, T.; Maekawa, S.; Imamura, H.

2001-06-01T23:59:59.000Z

230

Current Status of Concentrator Photovoltaic (CPV) Technology  

SciTech Connect (OSTI)

This report describes the current status of the market and technology for concentrator photovoltaic (CPV) cells and modules. Significant progress in CPV has been achieved, including record efficiencies for modules (36.7%) and cells (46%), as well as growth of large field installations in recent years. CPV technology may also have the potential to be cost-competitive on a levelized cost of energy (LCOE) basis in regions of high direct normal irradiance (DNI). The study includes an overview of all installations larger than 1 MW, information on companies currently active in the CPV field, efficiency data, and estimates of the LCOE in different scenarios.

Philipps, S. P.; Bett, A. W.; Horowitz, K.; Kurtz, S.

2015-01-01T23:59:59.000Z

231

Current Annualized Request  

Energy Savers [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 on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious RankCombustion |Energy UsageAUDITVehiclesTankless orAChiefAppropriation FY 2012 FY 2013 FY 2014 Current

232

Directives System Manual  

Broader source: Directives, Delegations, and Requirements [Office of Management (MA)]

This Manual provides detailed requirements to supplement DOE O 251.1, which establishes requirements for the development, coordination, and sunset review of DOE directives.

1995-10-16T23:59:59.000Z

233

Departmental Directives Program  

Broader source: Directives, Delegations, and Requirements [Office of Management (MA)]

To establish directives as the primary means to set, communicate, and institutionalize policies, requirements, responsibilities, and procedures for Departmental elements and contractors.

2014-10-16T23:59:59.000Z

234

Direct Loan Program (Kentucky)  

Broader source: Energy.gov [DOE]

The Direct Loan Program, is designed to allow businesses to obtain the long term financing needed to encourage growth. The Kentucky Economic Development Finance Authority (KEDFA) may participate...

235

Quantum pumping of valley current in strain engineered graphene  

SciTech Connect (OSTI)

We studied the generation of valley dependent current by adiabatic quantum pumping in monolayer graphene in the presence of electric potential barriers, ferromagnetic field and strain. The pumped currents in the two valleys have same magnitudes and opposite directions; thus, a pure valley current is generated. The oscillation of the pumped pure valley current is determined by the Fabry-Perot resonances formed in the structure. In our calculation, the pumped pure valley current can be as high as 50?nA, which is measurable using present technologies. The proposed device is useful for the development of graphene valleytronic devices.

Wang, Jing [Department of Physics, University of Science and Technology of China, Hefei (China) [Department of Physics, University of Science and Technology of China, Hefei (China); Department of Physics and Materials Science and Centre for Functional Photonics, City University of Hong Kong, Hong Kong and City University of Hong Kong Shenzhen Research Institute, Shenzhen (China); Chan, K. S., E-mail: apkschan@cityu.edu.hk, E-mail: zjlin@ustc.edu.cn [Department of Physics and Materials Science and Centre for Functional Photonics, City University of Hong Kong, Hong Kong and City University of Hong Kong Shenzhen Research Institute, Shenzhen (China); Lin, Zijing, E-mail: apkschan@cityu.edu.hk, E-mail: zjlin@ustc.edu.cn [Department of Physics, University of Science and Technology of China, Hefei (China)] [Department of Physics, University of Science and Technology of China, Hefei (China)

2014-01-06T23:59:59.000Z

236

Apparatus for electrode current control in linear MHD generators  

DOE Patents [OSTI]

Apparatus for controlling a plurality of opposing, electrode, direct-currents at pre-set locations across a channel that comprises a converter for converting each electrode current into first and second periodic control signals which are 180.degree. out of phase with respect to each other and which have equal magnitudes corresponding to the magnitude of the associated electrode current; and couplers for magnetically coupling individual ones of the first control signals and for magnetically coupling individual ones of the second signals such that the corresponding electrode currents are equalized or rendered proportional by balancing the same in the same or constant ratios in accordance with the locations of the electrode currents.

Demirjian, Ara M. (Arlington, MA); Solbes, Albert (Rancho Palos Verdes, CA)

1984-01-01T23:59:59.000Z

237

Environmental Assessment and Finding of No Significant Impact: Western's Hoover Dam Bypass Project Phase II (Double-Circuiting a Portion of the Hoover-Mead No.5 and No.7 230-kV Transmission Lines with the Henderson-Mead No.1 230-kV Transmission Line, Clark County, Nevada)  

SciTech Connect (OSTI)

The U.S. Highway 93 (U.S. 93) Hoover Dam Bypass Project calls for the U.S. Department of Energy (DOE) Western Area Power Administration (Western) to remove its Arizona and Nevada (A&N) Switchyard. As a result of this action, Western must reconfigure its existing electrical transmission system in the Hoover Dam area. Western proposes to double-circuit a portion of the Hoover-Mead No.5 and No.7 230-kV Transmission Lines with the Henderson-Mead No.1 Transmission Line (see Figure 1-1). Double-circuiting is the placement of two separate electrical circuits, typically in the form of three separate conductors or bundles of conductors, on the same set of transmission line structures. The old Henderson-Hoover 230-kV Transmission Line would become the new Henderson-Mead No.1 and would extend approximately eight miles to connect with the Mead Substation. Western owns, operates, and maintains the Hoover-Mead No.5 and No.7, and Henderson-Hoover electrical power transmission lines. Additionally, approximately 0.25 miles of new right-of-way (ROW) would be needed for the Henderson-Mead No.1 when it transfers from double-circuiting with the Hoover-Mead No.7 to the Hoover-Mead No.5 at the Boulder City Tap. The proposed project would also involve a new transmission line ROW and structures where the Henderson-Mead No.1 will split from the Hoover-Mead No.5 and enter the northeast corner of the Mead Substation. Lastly, Western has proposed adding fiber optic overhead ground wire from the Hoover Power Plant to the Mead Substation on to the Henderson-Mead No.1, Hoover-Mead No.5 and No.7 Transmission Lines. The proposed project includes replacing existing transmission line tower structures, installing new structures, and adding new electrical conductors and fiber optic cables. As a consequence of these activities, ground disturbance may result from grading areas for structure placement, constructing new roads, improving existing roads for vehicle and equipment access, and from installing structures, conductors, and fiber optic cables. Project construction activities would be conducted within the existing 200-foot transmission line ROW and 50-foot access road ROW, although new spur access roads could occur outside of existing ROWs. As lead Federal agency for this action under National Environmental Policy Act (NEPA), Western must ensure that adverse environmental effects on Federal and non-Federal lands and resources are avoided or minimized. This Environmental Assessment (EA) is intended to be a concise public document that assesses the probable and known impacts to the environment from Western's Proposed Action and alternatives, and reaches a conclusion about the significance of the impacts. This EA was prepared in compliance with NEPA regulations published by the Council on Environmental Quality (40 CFR 1500-1508) and implementing procedures of the Department of Energy (10 CFR 1021).

N /A

2003-10-27T23:59:59.000Z

238

EIS-0450: EPA Notice of Availability of Draft Environmental Impact...  

Energy Savers [EERE]

Statement TransWest Express 600 kV Direct Current Transmission Project in Wyoming, Colorado, Utah, and Nevada EPA announces the availability of the Draft EIS for the TransWest...

239

A Locational Analysis of Generation Benefits on Long Island, New York  

E-Print Network [OSTI]

ATC BLEMP DADRP DG EDRP GIS HVDC ICAP KV LBMP LIPA LIRTP LSEHigh Voltage Direct Current (HVDC) tie to Pennsylvania-NewSound Cable, a 330 MW HVDC facility connecting Connecticut

Wang, Juan; Cohen, Jesse; Edwards, Jennifer; Marnay, Chris

2005-01-01T23:59:59.000Z

240

Direct search for WIMP dark matter  

E-Print Network [OSTI]

We will review the experimental aspects of the direct search for WIMP dark matter. In thin search, one looks in a terrestrial target for nuclear recoils produced by the impacts with WIMPs from the galatic halo. After describing the different search strategies and review the currently running experiments and the prospects of future experiments

J. Gascon

2005-04-11T23:59:59.000Z

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


241

Design and Construction of a150kV/300A/1s Blumlein Pulser J.O. ROSSI, M. UEDA and J.J. BARROSO  

E-Print Network [OSTI]

of the shield cable impedance that contributes to the power loss of the device and the requirement of long of the jacket be larger, reducing the output current and, thus, #12;contributing less to the overall power loss

242

Current Testbed Research  

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:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: Vegetation Proposed Newcatalyst phases onOrganization FY 2012 FY 2013 FY 2014|Current Test Procedure

243

Current Transmission Rates  

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:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: Vegetation Proposed Newcatalyst phases onOrganization FY 2012 FY 2013 FY 2014|Current Test

244

Entropy current for non-relativistic fluid  

E-Print Network [OSTI]

We study transport properties of a parity-odd, non-relativistic charged fluid in presence of background electric and magnetic fields. To obtain stress tensor and charged current for the non-relativistic system we start with the most generic relativistic fluid, living in one higher dimension and reduce the constituent equations along the light-cone direction. We also reduce the equation satisfied by the entropy current of the relativistic theory and obtain a consistent entropy current for the non-relativistic system (we call it "canonical form" of the entropy current). Demanding that the non-relativistic fluid satisfies the second law of thermodynamics we impose constraints on various first order transport coefficients. For parity even fluid, this is straight forward; it tells us positive definiteness of different transport coefficients like viscosity, thermal conductivity, electric conductivity etc. However for parity-odd fluid, canonical form of the entropy current fails to confirm the second law of thermodynamics. Therefore, we need to add two parity-odd vectors to the entropy current with arbitrary coefficients. Upon demanding the validity of second law, we see that one can fix these two coefficients exactly.

Nabamita Banerjee; Suvankar Dutta; Akash Jain; Dibakar Roychowdhury

2014-05-22T23:59:59.000Z

245

Departmental Directives System  

Broader source: Directives, Delegations, and Requirements [Office of Management (MA)]

The order establishes the directives system to be used for publishing permanent and temporary directives issued by DOE Headquarters and addressed to Headquarters and/or field elements. Chg 1 dated 3-14-85. Cancels DOE 1321.1A.

1983-04-07T23:59:59.000Z

246

Directives - DOE Directives, Delegations, and Requirements  

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:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc DocumentationP-Series to UserProduct: CrudeOfficeNERSCDiesel pricesDirections

247

Directives - DOE Directives, Delegations, and Requirements  

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:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary)morphinanInformation Desert Southwest Region service area. The DesertDirections The Laboratory is on theArea

248

Directives Help - DOE Directives, Delegations, and Requirements  

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

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249

Directives Quarterly Updates - DOE Directives, Delegations, and  

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:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary)morphinanInformation Desert Southwest Region service area. The DesertDirections The Laboratory is on theAreaHelp

250

Directives Tools - DOE Directives, Delegations, and Requirements  

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:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary)morphinanInformation Desert Southwest Region service area. The DesertDirections The Laboratory is on

251

Predictions of fast wave heating, current drive, and current drive antenna arrays for advanced tokamaks  

SciTech Connect (OSTI)

The objective of the advanced tokamak program is to optimize plasma performance leading to a compact tokamak reactor through active, steady state control of the current profile using non-inductive current drive and profile control. To achieve these objectives requires compatibility and flexibility in the use of available heating and current drive systems--ion cyclotron radio frequency (ICRF), neutral beams, and lower hybrid. For any advanced tokamak, the following are important challenges to effective use of fast waves in various roles of direct electron heating, minority ion heating, and current drive: (1) to employ the heating and current drive systems to give self-consistent pressure and current profiles leading to the desired advanced tokamak operating modes; (2) to minimize absorption of the fast waves by parasitic resonances, which limit current drive; (3) to optimize and control the spectrum of fast waves launched by the antenna array for the required mix of simultaneous heating and current drive. The authors have addressed these issues using theoretical and computational tools developed at a number of institutions by benchmarking the computations against available experimental data and applying them to the specific case of TPX.

Batchelor, D.B.; Baity, F.W.; Carter, M.D. [and others

1994-12-31T23:59:59.000Z

252

Pumping single-file colloids: Absence of current reversal  

E-Print Network [OSTI]

We consider the single-file motion of colloidal particles interacting via short-ranged repulsion and placed in a traveling wave potential, that varies periodically in time and space. Under suitable driving conditions, a directed time-averaged flow of colloids is generated. We obtain analytic results for the model using a perturbative approach to solve the Fokker-Planck equations. The predictions show good agreement with numerical simulations. We find peaks in the time-averaged directed current as a function of driving frequency, wavelength and particle density and discuss possible experimental realizations. Surprisingly, unlike a closely related exclusion dynamics on a lattice, the directed current in the present model does not show current reversal with density. A linear response formula relating current response to equilibrium correlations is also proposed.

Debasish Chaudhuri; Archishman Raju; Abhishek Dhar

2014-09-24T23:59:59.000Z

253

Directives Quarterly Update  

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

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254

Directives Quarterly Update  

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:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc DocumentationP-Series to UserProduct: https://www.directives.doe.gov/directives/directives July

255

Directives Quarterly Update  

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:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc DocumentationP-Series to UserProduct: https://www.directives.doe.gov/directives/directives July

256

Oscillatory nonohomic current drive for maintaining a plasma current  

DOE Patents [OSTI]

Apparatus and methods are described for maintaining a plasma current with an oscillatory nonohmic current drive. Each cycle of operation has a generation period in which current driving energy is applied to the plasma, and a relaxation period in which current driving energy is removed. Plasma parameters, such as plasma temperature or plasma average ionic charge state, are modified during the generation period so as to oscillate plasma resistivity in synchronism with the application of current driving energy. The invention improves overall current drive efficiencies.

Fisch, N.J.

1984-01-01T23:59:59.000Z

257

Art Directable Tornadoes  

E-Print Network [OSTI]

......................................................................... 25 2. Directional Force ........................................................... 26 3. Vortex Force .................................................................. 26 4. Lattice... ................................................................... 7 7 Tornado in its rope stage before disappearing ........................................... 9 8 Fire vortex and Waterspout ........................................................................ 10 9 Landspout and Gustnado...

Dwivedi, Ravindra

2011-08-08T23:59:59.000Z

258

Direct Discharge Permit (Vermont)  

Broader source: Energy.gov [DOE]

A direct discharge permit is required if a project involves the discharge of pollutants to state waters. For generation purposes, this involves the withdrawal of surface water for cooling purposes...

259

Geothermal direct use engineering and design guidebook  

SciTech Connect (OSTI)

The Geothermal Direct Use Engineering and Design Guidebook is designed to be a comprehensive, thoroughly practical reference guide for engineers and designers of direct heat projects. These projects could include the conversion of geothermal energy into space heating cooling of buildings, district heating, greenhouse heating, aquaculture and industrial processing. The Guidebook is directed at understanding the nature of geothermal resources and the exploration of these resources, fluid sampling techniques, drilling, and completion of geothermal wells through well testing, and reservoir evaluation. It presents information useful to engineers on the specification of equipment including well pumps, piping, heat exchangers, space heating equipment, heat pumps and absorption refrigeration. A compilation of current information about greenhouse, aquaculture and industrial applications is included together with a discussion of engineering cost analysis, regulation requirements, and environmental considerations. The purpose of the Guidebook is to provide an integrated view for the development of direct use projects for which there is a very potential in the United States.

Bloomquist, R.G.; Culver, G.; Ellis, P.F.; Higbee, C.; Kindle, C.; Lienau, P.J.; Lunis, B.C.; Rafferty, K.; Stiger, S.; Wright, P.M.

1989-03-01T23:59:59.000Z

260

Geothermal direct use engineering and design guidebook  

SciTech Connect (OSTI)

The Geothermal Direct Use Engineering and Design Guidebook is designed to be a comprehensive, thoroughly practical reference guide for engineers and designers of direct heat projects. These projects could include the conversion of geothermal energy into space heating and cooling of buildings, district heating, greenhouse heating, aquaculture and industrial processing. The Guidebook is directed at understanding the nature of geothermal resources and the exploration of the resources, fluid sampling techniques, drilling, and completion of geothermal wells through well testing, and reservoir evaluation. It presents information useful to engineers on the specification of equipment including well pumps, piping, heat exchangers, space heating equipment, heat pumps and absorption refrigeration. A compilation of current information about greenhouse aquaculture and industrial applications is included together with a discussion of engineering cost analysis, regulation requirements, and environmental consideration. The purpose of the Guidebook is to provide an integrated view for the development of direct use projects for which there is a very large potential in the United States.

Lienau, P.J.; Lunis, B.C. (eds.)

1991-01-01T23:59:59.000Z

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


261

New Directions in Direct Dark Matter Searches  

E-Print Network [OSTI]

I present the status of direct dark matter detection with specific attention to the experimental results and their phenomenological interpretation in terms of dark matter interactions. In particular I review a new and more general approach to study signals in this field based on non-relativistic operators which parametrize more efficiently the dark matter-nucleus interactions in terms of a very limited number of relevant degrees of freedom. Then I list the major experimental results, pointing out the main uncertainties that affect the theoretical interpretation of the data. Finally, since the underlying theory that describes both the dark matter and the standard model fields is unknown, I address the uncertainties coming from the nature of the interaction. In particular, the phenomenology of a class of models in which the interaction between dark matter particles and target nuclei is of a long-range type is discussed.

Paolo Panci

2014-02-06T23:59:59.000Z

262

Fizeau interferometer for measurement of plasma electron current  

SciTech Connect (OSTI)

A high-resolution, vertically viewing far-infrared polarimeter-interferometer system is currently used on the Madison symmetric torus (MST) reversed-field pinch (RFP) to measure the plasma electron density and toroidal current density via Faraday rotation. In this article, we propose a scheme to measure the well-known Fizeau effect, whereby through modest modification of the existing apparatus, the line-integrated poloidal current density can also be directly measured. This parameter is important, since the RFP toroidal magnetic field is largely determined by currents flowing within the plasma. The Fizeau effect is a phase shift of an electromagnetic wave associated with movement of a dielectric medium. This motion can be related directly to the plasma electron current. Determining the Fizeau effect involves measurement of the phase shift between two collinear, orthogonally polarized, counterpropagating laser beams. Estimates indicate a phase shift of {approx}2 deg. is expected for typical MST parameters, well within the existing system resolution.

Brower, D.L.; Ding, W.X.; Deng, B.H.; Mahdavi, M.A.; Mirnov, V.; Prager, S.C. [Electrical Engineering Department, University of California, Los Angeles, Los Angeles, California 90095 (United States); General Atomics, San Diego, California 92121 (United States); Physics Department, University of Wisconsin-Madison, Madison, Wisconsin 53706 (United States)

2004-10-01T23:59:59.000Z

263

Circulating current battery heater  

DOE Patents [OSTI]

A circuit for heating energy storage devices such as batteries is provided. The circuit includes a pair of switches connected in a half-bridge configuration. Unidirectional current conduction devices are connected in parallel with each switch. A series resonant element for storing energy is connected from the energy storage device to the pair of switches. An energy storage device for intermediate storage of energy is connected in a loop with the series resonant element and one of the switches. The energy storage device which is being heated is connected in a loop with the series resonant element and the other switch. Energy from the heated energy storage device is transferred to the switched network and then recirculated back to the battery. The flow of energy through the battery causes internal power dissipation due to electrical to chemical conversion inefficiencies. The dissipated power causes the internal temperature of the battery to increase. Higher internal temperatures expand the cold temperature operating range and energy capacity utilization of the battery. As disclosed, either fixed frequency or variable frequency modulation schemes may be used to control the network.

Ashtiani, Cyrus N. (West Bloomfield, MI); Stuart, Thomas A. (Toledo, OH)

2001-01-01T23:59:59.000Z

264

Direct memory access transfer completion notification  

DOE Patents [OSTI]

Methods, compute nodes, and computer program products are provided for direct memory access (`DMA`) transfer completion notification. Embodiments include determining, by an origin DMA engine on an origin compute node, whether a data descriptor for an application message to be sent to a target compute node is currently in an injection first-in-first-out (`FIFO`) buffer in dependence upon a sequence number previously associated with the data descriptor, the total number of descriptors currently in the injection FIFO buffer, and the current sequence number for the newest data descriptor stored in the injection FIFO buffer; and notifying a processor core on the origin DMA engine that the message has been sent if the data descriptor for the message is not currently in the injection FIFO buffer.

Chen, Dong (Croton on Hudson, NY); Giampapa, Mark E. (Irvington, NY); Heidelberger, Philip (Cortlandt Manor, NY); Kumar, Sameer (White Plains, NY); Parker, Jeffrey J. (Rochester, MN); Steinmacher-Burow, Burkhard D. (Esslingen, DE); Vranas, Pavlos (Danville, CA)

2010-07-27T23:59:59.000Z

265

The fundamental properties of current controlled current source amplifiers  

E-Print Network [OSTI]

The thesis studies the fundamental properties of current controlled current source (CCCS) amplifiers for use in a wide bandwidth voltage gain application. Theoretical expressions are derived which describe the p'erformance of the CCCS in terms of circuit... of this research was to conduct a theoretical and experimental study of the fundamental properties of Current Controlled Current Source (CCCS) amplifiers. Of particular interest was the bandwidth independence on the closed loop voltage gain of the CCCS used...

Terry, Michael Buford

1978-01-01T23:59:59.000Z

266

Urologic robots and future directions  

E-Print Network [OSTI]

PURPOSE OF REVIEW: Robot-assisted laparoscopic surgery in urology has gained immense popularity with the daVinci system, but a lot of research teams are working on new robots. The purpose of this study is to review current urologic robots and present future development directions. RECENT FINDINGS: Future systems are expected to advance in two directions: improvements of remote manipulation robots and developments of image-guided robots. SUMMARY: The final goal of robots is to allow safer and more homogeneous outcomes with less variability of surgeon performance, as well as new tools to perform tasks on the basis of medical transcutaneous imaging, in a less invasive way, at lower costs. It is expected that improvements for a remote system could be augmented in reality, with haptic feedback, size reduction, and development of new tools for natural orifice translumenal endoscopic surgery. The paradigm of image-guided robots is close to clinical availability and the most advanced robots are presented with end-use...

Mozer, Pierre; Stoianovici, Dan; 10.1097/MOU.0b013e32831cc1ba

2008-01-01T23:59:59.000Z

267

Carbon aerogel electrodes for direct energy conversion  

DOE Patents [OSTI]

A direct energy conversion device, such as a fuel cell, using carbon aerogel electrodes is described, wherein the carbon aerogel is loaded with a noble catalyst, such as platinum or rhodium and soaked with phosphoric acid, for example. A separator is located between the electrodes, which are placed in a cylinder having plate current collectors positioned adjacent the electrodes and connected to a power supply, and a pair of gas manifolds, containing hydrogen and oxygen positioned adjacent the current collectors. Due to the high surface area and excellent electrical conductivity of carbon aerogels, the problems relative to high polarization resistance of carbon composite electrodes conventionally used in fuel cells are overcome. 1 fig.

Mayer, S.T.; Kaschmitter, J.L.; Pekala, R.W.

1997-02-11T23:59:59.000Z

268

Carbon aerogel electrodes for direct energy conversion  

DOE Patents [OSTI]

A direct energy conversion device, such as a fuel cell, using carbon aerogel electrodes, wherein the carbon aerogel is loaded with a noble catalyst, such as platinum or rhodium and soaked with phosphoric acid, for example. A separator is located between the electrodes, which are placed in a cylinder having plate current collectors positioned adjacent the electrodes and connected to a power supply, and a pair of gas manifolds, containing hydrogen and oxygen positioned adjacent the current collectors. Due to the high surface area and excellent electrical conductivity of carbon aerogels, the problems relative to high polarization resistance of carbon composite electrodes conventionally used in fuel cells are overcome.

Mayer, Steven T. (San Leandro, CA); Kaschmitter, James L. (Pleasanton, CA); Pekala, Richard W. (Pleasant Hill, CA)

1997-01-01T23:59:59.000Z

269

Directed Relativistic Blast Wave  

E-Print Network [OSTI]

A spherically symmetrical ultra-relativistic blast wave is not an attractor of a generic asymmetric explosion. Spherical symmetry is reached only by the time the blast wave slows down to non-relativistic velocities, when the Sedov-Taylor-von Neumann attractor solution sets in. We show however, that a directed relativistic explosion, with the explosion momentum close to the explosion energy, produces a blast wave with a universal intermediate asymptotic -- a selfsimilar directed ultra-relativistic blast wave. This universality might be of interest for the astrophysics of gamma-ray burst afterglows.

Andrei Gruzinov

2007-04-23T23:59:59.000Z

270

Directives Points of Contact  

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:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc DocumentationP-Series to UserProduct: CrudeOfficeNERSCDiesel pricesDirectionsDirectives

271

Current Experiments in Particle Physics (September 1996)  

SciTech Connect (OSTI)

This report contains summaries of current and recent experiments in Particle Physics. Included are experiments at BEPC (Beijing), BNL, CEBAF, CERN, CESR, DESY, FNAL, Frascati, ITEP (Moscow), JINR (Dubna), KEK, LAMPF, Novosibirsk, PNPI (St. Petersburg), PSI, Saclay, Serpukhov, SLAC, and TRIUMF, and also several proton decay and solar neutrino experiments. Excluded are experiments that finished taking data before 1991. Instructions are given for the World Wide Web (WWW) searching of the computer database (maintained under the SLAC-SPIRES system) that contains the summaries. This report contains full summaries of 180 approved current and recent experiments in elementary particle physics. The focus of the report is on selected experiments which directly contribute to our better understanding of elementary particles and their properties such as masses, widths or lifetimes, and branching fractions.

Galic, H.; Lehar, F.; Klyukhin, V.I.; Ryabov, Yu.G.; Bilak, S.V.; Illarionova, N.S.; Khachaturov, B.A.; Strokovsky, E.A.; Hoffman, C.M.; Kettle, P.-R.; Olin, A.; Armstrong, F.E.

1996-09-01T23:59:59.000Z

272

Current Awards | National Nuclear Security Administration  

National Nuclear Security Administration (NNSA)

Stewardship Science Academic Alliances Program Current Awards Current Awards Stewardship Science Academic Alliances (SSAA) Program Current Awards Under Construction...

273

Current Awards | National Nuclear Security Administration  

National Nuclear Security Administration (NNSA)

National Laser User Facilities Program Current Awards Current Awards National Laser Users' Facility Grant Program Current Awards Under Construction...

274

Direct from CDC's Environmental  

E-Print Network [OSTI]

Direct from CDC's Environmental Health Services Branch CAPT Daniel M. Harper, M.P.H. A Diverse Environmental Public Health Workforce to Meet the Diverse Environmental Health Challenges on environmental health and to build part nerships in the profession. In pursuit of these goals, we will feature

275

Direct from CDC's Environmental  

E-Print Network [OSTI]

Direct from CDC's Environmental Health Services Branch CAPT John Sarisky, R.S., M.P.H. Developing Environmental Public Health Leadership Editor's note: NEHA strives to provide up to of these goals, we will feature a column from the Environmental Health Services Branch (EHSB) of the Centers

276

Direct from CDC's Environmental  

E-Print Network [OSTI]

Direct from CDC's Environmental Health Services Branch Daneen Farrow Collier, M.S.P.H. Editor's note: NEHA strives to pro vide up-to-date and relevant informa tion on environmental health the Environmental Health Services Branch (EHSB) of the Centers for Disease Control and Pre vention (CDC) in every

277

Direct from CDC's Environmental  

E-Print Network [OSTI]

Direct from CDC's Environmental Health Services Branch Brian Hubbard, M.P.H. Editor the Environmental Health Services Branch (EHSB) of the Centers for Disease Con trol and Prevention (CDC) in every environmental health programs and professionals to antici pate, identify, and respond to adverse envi ronmental

278

Direct fired heat exchanger  

SciTech Connect (OSTI)

A gas-to-liquid heat exchanger system which transfers heat from a gas, generally the combustion gas of a direct-fired generator of an absorption machine, to a liquid, generally an absorbent solution. The heat exchanger system is in a counterflow fluid arrangement which creates a more efficient heat transfer.

Reimann, Robert C. (Lafayette, NY); Root, Richard A. (Spokane, WA)

1986-01-01T23:59:59.000Z

279

Directional gamma detector  

DOE Patents [OSTI]

An improved directional gamma radiation detector has a collector sandwiched etween two layers of insulation of varying thicknesses. The collector and insulation layers are contained within an evacuated casing, or emitter, which releases electrons upon exposure to gamma radiation. Delayed electrons and electrons entering the collector at oblique angles are attenuated as they pass through the insulation layers on route to the collector.

LeVert, Francis E. (Downers Grove, Knoxville, TN); Cox, Samson A. (Downers Grove, IL)

1981-01-01T23:59:59.000Z

280

Extension of DOE Directives  

Broader source: Directives, Delegations, and Requirements [Office of Management (MA)]

This Notice extends the following directives until 2/16/04: DOE N 205.2, Foreign National Access to DOE Cyber Systems, and DOE N 205.3, Password Generation, Protection, and Use, dated 11/23/99-7/1/00.

2003-02-24T23:59:59.000Z

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


281

Extension of DOE Directives  

Broader source: Directives, Delegations, and Requirements [Office of Management (MA)]

The following directives are extended until 8-12-04. DOE N 205.2, Foreign National Access to DOE Cyber Systems, dated 11/1/99. DOE N 205.3, Password Generation, Protection, and Use, dated 11/23/99.

2004-02-12T23:59:59.000Z

282

Extension of DOE Directives  

Broader source: Directives, Delegations, and Requirements [Office of Management (MA)]

The following directives are extended until 8-12-05: DOE N 205.2, Foreign National Access to DOE Cyber Security Systems, dated 11-1-99 and DOE N 205.3, Password Generation, Protection, and Use, dated 11-23-99. No cancellations.

2004-08-12T23:59:59.000Z

283

Conversion of pure spin current to charge current in amorphous bismuth  

SciTech Connect (OSTI)

Spin Hall angle and spin diffusion length in amorphous bismuth (Bi) are investigated by using conversion of a pure spin current to a charge current in a spin pumping technique. In Bi/Ni{sub 80}Fe{sub 20}/Si(100) sample, a clear direct current (DC) electromotive force due to the inverse spin Hall effect of the Bi layer is observed at room temperature under a ferromagnetic resonance condition of the Ni{sub 80}Fe{sub 20} layer. From the Bi thickness dependence of the DC electromotive force, the spin Hall angle and the spin diffusion length of the amorphous Bi film are estimated to be 0.02 and 8?nm, respectively.

Emoto, H.; Ando, Y.; Shinjo, T.; Shiraishi, M., E-mail: shiraishi@ee.es.osaka-u.ac.jp [Graduate School of Engineering Science, Osaka University, Osaka 560-8531 (Japan); Shikoh, E. [Graduate School of Engineering, Osaka City University, Osaka 558-8585 (Japan); Fuseya, Y. [Department of Applied Physics and Chemistry, The University of Electro-Communications, Tokyo 182-8585 (Japan)

2014-05-07T23:59:59.000Z

284

Controlling ultrafast currents by the non-linear photogalvanic effect  

E-Print Network [OSTI]

We theoretically investigate the effect of broken inversion symmetry on the generation and control of ultrafast currents in a transparent dielectric (SiO2) by strong femto-second optical laser pulses. Ab-initio simulations based on time-dependent density functional theory predict ultrafast DC currents that can be viewed as a non-linear photogalvanic effect. Most surprisingly, the direction of the current undergoes a sudden reversal above a critical threshold value of laser intensity I_c ~ 3.8*10^13 W/cm2. We trace this switching to the transition from non-linear polarization currents to the tunneling excitation regime. We demonstrate control of the ultrafast currents by the time delay between two laser pulses. We find the ultrafast current control by the non-linear photogalvanic effect to be remarkably robust and insensitive to laser-pulse shape and carrier-envelope phase.

Georg Wachter; Shunsuke A. Sato; Christoph Lemell; Xiao-Min Tong; Kazuhiro Yabana; Joachim Burgdörfer

2015-03-20T23:59:59.000Z

285

Fault current limiter and alternating current circuit breaker  

DOE Patents [OSTI]

A solid-state circuit breaker and current limiter are disclosed for a load served by an alternating current source having a source impedance, the solid-state circuit breaker and current limiter comprising a thyristor bridge interposed between the alternating current source and the load, the thyristor bridge having four thyristor legs and four nodes, with a first node connected to the alternating current source, and a second node connected to the load. A coil is connected from a third node to a fourth node, the coil having an impedance of a value calculated to limit the current flowing therethrough to a predetermined value. Control means are connected to the thyristor legs for limiting the alternating current flow to the load under fault conditions to a predetermined level, and for gating the thyristor bridge under fault conditions to quickly reduce alternating current flowing therethrough to zero and thereafter to maintain the thyristor bridge in an electrically open condition preventing the alternating current from flowing therethrough for a predetermined period of time. 9 figs.

Boenig, H.J.

1998-03-10T23:59:59.000Z

286

Fast wave current drive in DIII-D  

SciTech Connect (OSTI)

The non-inductive current drive from fast Alfven waves launched by a directional four-element antenna was measured in the DIII-D tokamak. The fast wave frequency (60 MHz) was eight times the deuterium cyclotron frequency at the plasma center. An array of rf pickup loops at several locations around the torus was used to verify the directivity of the four-element antenna. Complete non-inductive current drive was achieved using a combination of fast wave current drive (FWCD) and electron cyclotron current drive (ECCD) in discharges for which the total plasma current was inductively ramped down from 400 to 170 kA. For discharges with steady plasma current, up to 110 kA of FWCD was inferred from an analysis of the loop voltage, with a maximum non-inductive current (FWCD, ECCD, and bootstrap) of 195 out of 310 kA. The FWCD efficiency increased linearly with central electron temperature. For low current discharges, the FWCD efficiency was degraded due to incomplete fast wave damping. The experimental FWCD was found to agree with predictions from the CURRAY ray-tracing code only when a parasitic loss of 4% per pass was included in the modeling along with multiple pass damping.

Petty, C.C.; Callis, R.W.; Chiu, S.C.; deGrassie, J.S.; Forest, C.B.; Freeman, R.L.; Gohil, P.; Harvey, R.W.; Ikezi, H.; Lin-Liu, Y.-R. [and others

1995-02-01T23:59:59.000Z

287

Direct hydrocarbon fuel cells  

DOE Patents [OSTI]

The direct electrochemical oxidation of hydrocarbons in solid oxide fuel cells, to generate greater power densities at lower temperatures without carbon deposition. The performance obtained is comparable to that of fuel cells used for hydrogen, and is achieved by using novel anode composites at low operating temperatures. Such solid oxide fuel cells, regardless of fuel source or operation, can be configured advantageously using the structural geometries of this invention.

Barnett, Scott A.; Lai, Tammy; Liu, Jiang

2010-05-04T23:59:59.000Z

288

Direct drive wind turbine  

DOE Patents [OSTI]

A wind turbine is provided that minimizes the size of the drive train and nacelle while maintaining the power electronics and transformer at the top of the tower. The turbine includes a direct drive generator having an integrated disk brake positioned radially inside the stator while minimizing the potential for contamination. The turbine further includes a means for mounting a transformer below the nacelle within the tower.

Bywaters, Garrett; Danforth, William; Bevington, Christopher; Jesse, Stowell; Costin, Daniel

2006-10-10T23:59:59.000Z

289

Direct drive wind turbine  

DOE Patents [OSTI]

A wind turbine is provided that minimizes the size of the drive train and nacelle while maintaining the power electronics and transformer at the top of the tower. The turbine includes a direct drive generator having an integrated disk brake positioned radially inside the stator while minimizing the potential for contamination. The turbine further includes a means for mounting a transformer below the nacelle within the tower.

Bywaters, Garrett; Danforth, William; Bevington, Christopher; Stowell, Jesse; Costin, Daniel

2006-07-11T23:59:59.000Z

290

Direct drive wind turbine  

DOE Patents [OSTI]

A wind turbine is provided that minimizes the size of the drive train and nacelle while maintaining the power electronics and transformer at the top of the tower. The turbine includes a direct drive generator having an integrated disk brake positioned radially inside the stator while minimizing the potential for contamination. The turbine further includes a means for mounting a transformer below the nacelle within the tower.

Bywaters, Garrett Lee; Danforth, William; Bevington, Christopher; Stowell, Jesse; Costin, Daniel

2006-09-19T23:59:59.000Z

291

Direct drive wind turbine  

DOE Patents [OSTI]

A wind turbine is provided that minimizes the size of the drive train and nacelle while maintaining the power electronics and transformer at the top of the tower. The turbine includes a direct drive generator having an integrated disk brake positioned radially inside the stator while minimizing the potential for contamination. The turbine further includes a means for mounting a transformer below the nacelle within the tower.

Bywaters, Garrett; Danforth, William; Bevington, Christopher; Jesse, Stowell; Costin, Daniel

2007-02-27T23:59:59.000Z

292

Ionization tube simmer current circuit  

DOE Patents [OSTI]

A highly efficient flash lamp simmer current circuit utilizes a fifty percent duty cycle square wave pulse generator to pass a current over a current limiting inductor to a full wave rectifier. The DC output of the rectifier is then passed over a voltage smoothing capacitor through a reverse current blocking diode to a flash lamp tube to sustain ionization in the tube between discharges via a small simmer current. An alternate embodiment of the circuit combines the pulse generator and inductor in the form of an FET off line square wave generator with an impedance limited step up output transformer which is then applied to the full wave rectifier as before to yield a similar simmer current.

Steinkraus, Jr., Robert F. (Livermore, CA)

1994-01-01T23:59:59.000Z

293

Ionization tube simmer current circuit  

DOE Patents [OSTI]

A highly efficient flash lamp simmer current circuit utilizes a fifty percent duty cycle square wave pulse generator to pass a current over a current limiting inductor to a full wave rectifier. The DC output of the rectifier is then passed over a voltage smoothing capacitor through a reverse current blocking diode to a flash lamp tube to sustain ionization in the tube between discharges via a small simmer current. An alternate embodiment of the circuit combines the pulse generator and inductor in the form of an FET off line square wave generator with an impedance limited step up output transformer which is then applied to the full wave rectifier as before to yield a similar simmer current. 6 figures.

Steinkraus, R.F. Jr.

1994-12-13T23:59:59.000Z

294

Directional drilling sub  

SciTech Connect (OSTI)

A directional drilling ''sub'' provides a shifting end portion which allows the sub to be rotated from a first in-line axially straight orientation with the drill string to a second angled or ''bent'' position which second position is normally associated with conventional bent ''subs'' which are permanently structured in the bent position. The device shifts from the first (In-line) position to the second (Bent) position upon the application of torsional force thereto which torsional force can be applied, for example, by the actuation of a ''turbodrill'' (Normally attached thereto in operation). The device can be manufactured or machined to provide varying angles to the sub in its bent position to satisfy differing directional drilling situations. The axially aligned first position allows easy entry of the drill string, sub , and turbodrill into the well hole, while the second bend position is used to commence directional drilling. The sub will return gradually to its original axially aligned position when the device is withdrawn from the wellhole, as such position is the path of minimum resistance for the withdrawing drill string and torsion is not present to hold the sub in the bent position.

Benoit, L.F.

1980-09-02T23:59:59.000Z

295

Particle Detector / Beam Current Transformer  

E-Print Network [OSTI]

Particle Detector / Beam Current Transformer Analysis December 8, 2009 Harold G. Kirk #12;ShotSignal,A.U. Proton Bunch Number Beam Current Transformer - 17011 0 2 4 6 8 0 2 4 6 8 10 12 14 16 18 20 Integrated Transformer Pump 187829 (au) Probe 196504 (au) Ratios: Beam Current 1.046 SF 1.019 2.9% difference #12;Shot

McDonald, Kirk

296

Anomalous-viscosity current drive  

DOE Patents [OSTI]

The present invention relates to a method and apparatus for maintaining a steady-state current for magnetically confining the plasma in a toroidal magnetic confinement device using anomalous viscosity current drive. A second aspect of this invention relates to an apparatus and method for the start-up of a magnetically confined toroidal plasma.

Stix, T.H.; Ono, M.

1986-04-25T23:59:59.000Z

297

Energy current imaging method for time reversal in elastic media  

SciTech Connect (OSTI)

An energy current imaging method is presented for use in locating sources of wave energy during the back propagation stage of the time reversal process. During the back propagation phase of an ideal time reversal experiment, wave energy coalesces from all angles of incidence to recreate the source event; after the recreation, wave energy diverges in every direction. An energy current imaging method based on this convergence/divergence behavior has been developed. The energy current imaging method yields a smaller spatial distribution for source reconstruction than is possible with traditional energy imaging methods.

Anderson, Brian E [Los Alamos National Laboratory; Ulrich, Timothy J [Los Alamos National Laboratory; Le Bas, Pierre - Yves A [Los Alamos National Laboratory; Larmat, Carene [Los Alamos National Laboratory; Johnson, Paul A [Los Alamos National Laboratory; Guyer, Robert A [UNR; Griffa, Michele [ETH ZURICH

2009-01-01T23:59:59.000Z

298

DSRP, direct sulfur production  

SciTech Connect (OSTI)

The objective of this work is to demonstrate on a bench-scale the Direct Sulfur Recovery Process (DSRP) for up to 99 percent or higher recovery of sulfur (as elemental sulfur) from regeneration off-gases and coal-gas produced in integrated gasification combined cycle (IGCC) power generating systems. Fundamental kinetic and thermodynamic studies will also be conducted to enable development of a model to predict DSRP performance in large-scale reactors and to shed light on the mechanism of DSRP reactions. The ultimate goal of the project is to advance the DSRP technology to the point where industry is willing to support its further development.

McMichael, W.J.; Agarwal, S.K.; Jang, B.L.; Howe, G.B. [Research Triangle Institute, Research Triangle Park, NC (United States); Chen, D.H.; Hopper, J.R. [Lamar Univ., Beaumont, TX (United States)

1993-06-01T23:59:59.000Z

299

Extension of DOE Directives  

Broader source: Directives, Delegations, and Requirements [Office of Management (MA)]

The following directives are extended until 3-18-06: DOE N 205.8, Cyber Security Requirements for Wireless Devices and Information Systems, dated 2-11-04; DOE N 205.9, Certification and Accreditation Process for Information Systems Including National Security Systems, dated 02-19-04; DOE N 205.10, Cyber Security Requirements for Risk Management, dated 02-19-04; DOE N 205.11, Security Requirements for Remote Access to DOE and Applicable Contractor Information Technology Systems, dated 2-19-04. DOE N 205.12, Clearing, Sanitizing, and Destroying Information System Storage Media, Memory Devices, and Other Related Hardware, dated 2-19-04.

2005-03-18T23:59:59.000Z

300

Directions to Berkeley Lab  

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:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc DocumentationP-Series to UserProduct: CrudeOfficeNERSCDiesel pricesDirections & Parking

Note: This page contains sample records for the topic "kv direct current" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
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301

Directions - 88-Inch Cyclotron  

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:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary)morphinanInformation Desert Southwest Region service area. The DesertDirections The Laboratory is on the hillside

302

Directions | Jefferson Lab  

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:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary)morphinanInformation Desert Southwest Region service area. The DesertDirections The Laboratory is on theArea Map

303

Volume II solicitation package for solicitation no. 522887-5422 {open_quotes}site electrical replacements & substation{close_quotes} subproject: 69 KV substation  

SciTech Connect (OSTI)

This solicitation is for the U.S. Department of Energy under Prime Contract No. DE-AC04-88-DP43495 with EG&G Mound Applied Technologies. Ohio Sales or Use taxes are not to be included in the proposal price. Applicable taxes due or owing to the State of Ohio will be paid by the buyer under Direct Payment Permit No. 98-002230. Refer to Form ML-2487, General Provisions, Article 24, {open_quotes}Federal, State & Local Taxes{close_quotes}. Sellers are advised that purchases of building and construction materials for incorporation into a structure or improvement to a real property which is accepted for ownership by the United States or one of its agencies are exempt from Ohio Sales and Use taxes. Unnecessarily elaborate brochures or other presentations beyond those sufficient to present a complete and effective response to this solicitation are not desired and may be construed as an indication of the seller`s lack of cost consciousness. Elaborate art work, expensive paper and binding, and expensive visual and other presentation aids are neither necessary nor wanted.

NONE

1991-05-03T23:59:59.000Z

304

Current  

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

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:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarly Career Scientists'Montana. DOCUMENTS AVAILABLEReport 2009Site | Department ofHighly31, 2015 |Dollars in

305

Current:  

Office of Legacy Management (LM)

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:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartment ofDepartment ofof EnergyYou areDowntown Site -MiamiYVE r.x-L* d!9Document/Qwner

306

Current:  

Office of Legacy Management (LM)

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:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartment ofDepartment ofof EnergyYou areDowntown Site -MiamiYVE r.x-L*

307

Current  

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:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: Vegetation Proposed Newcatalyst phases on &gamma;-Al2O3.WinterCrystalApplicationsCumulusMars

308

Direct Aerosol Forcing Uncertainty  

DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

Understanding sources of uncertainty in aerosol direct radiative forcing (DRF), the difference in a given radiative flux component with and without aerosol, is essential to quantifying changes in Earth's radiation budget. We examine the uncertainty in DRF due to measurement uncertainty in the quantities on which it depends: aerosol optical depth, single scattering albedo, asymmetry parameter, solar geometry, and surface albedo. Direct radiative forcing at the top of the atmosphere and at the surface as well as sensitivities, the changes in DRF in response to unit changes in individual aerosol or surface properties, are calculated at three locations representing distinct aerosol types and radiative environments. The uncertainty in DRF associated with a given property is computed as the product of the sensitivity and typical measurement uncertainty in the respective aerosol or surface property. Sensitivity and uncertainty values permit estimation of total uncertainty in calculated DRF and identification of properties that most limit accuracy in estimating forcing. Total uncertainties in modeled local diurnally averaged forcing range from 0.2 to 1.3 W m-2 (42 to 20%) depending on location (from tropical to polar sites), solar zenith angle, surface reflectance, aerosol type, and aerosol optical depth. The largest contributor to total uncertainty in DRF is usually single scattering albedo; however decreasing measurement uncertainties for any property would increase accuracy in DRF. Comparison of two radiative transfer models suggests the contribution of modeling error is small compared to the total uncertainty although comparable to uncertainty arising from some individual properties.

Mccomiskey, Allison

309

Remote direct memory access  

DOE Patents [OSTI]

Methods, parallel computers, and computer program products are disclosed for remote direct memory access. Embodiments include transmitting, from an origin DMA engine on an origin compute node to a plurality target DMA engines on target compute nodes, a request to send message, the request to send message specifying a data to be transferred from the origin DMA engine to data storage on each target compute node; receiving, by each target DMA engine on each target compute node, the request to send message; preparing, by each target DMA engine, to store data according to the data storage reference and the data length, including assigning a base storage address for the data storage reference; sending, by one or more of the target DMA engines, an acknowledgment message acknowledging that all the target DMA engines are prepared to receive a data transmission from the origin DMA engine; receiving, by the origin DMA engine, the acknowledgement message from the one or more of the target DMA engines; and transferring, by the origin DMA engine, data to data storage on each of the target compute nodes according to the data storage reference using a single direct put operation.

Archer, Charles J.; Blocksome, Michael A.

2012-12-11T23:59:59.000Z

310

Passive fault current limiting device  

DOE Patents [OSTI]

A passive current limiting device and isolator is particularly adapted for use at high power levels for limiting excessive currents in a circuit in a fault condition such as an electrical short. The current limiting device comprises a magnetic core wound with two magnetically opposed, parallel connected coils of copper, a high temperature superconductor or other electrically conducting material, and a fault element connected in series with one of the coils. Under normal operating conditions, the magnetic flux density produced by the two coils cancel each other. Under a fault condition, the fault element is triggered to cause an imbalance in the magnetic flux density between the two coils which results in an increase in the impedance in the coils. While the fault element may be a separate current limiter, switch, fuse, bimetal strip or the like, it preferably is a superconductor current limiter conducting one-half of the current load compared to the same limiter wired to carry the total current of the circuit. The major voltage during a fault condition is in the coils wound on the common core in a preferred embodiment. 6 figs.

Evans, D.J.; Cha, Y.S.

1999-04-06T23:59:59.000Z

311

Conclusions and Policy Directions,  

SciTech Connect (OSTI)

This chapter briefly revisits the constraints and opportunities of mitigation and adaptation, and highlights and the multiple linkages, synergies and trade-offs between mitigation, adaptation and urban development. The chapter then presents future policy directions, focusing on local, national and international principles and policies for supporting and enhancing urban responses to climate change. In summary, policy directions for linking climate change responses with urban development offer abundant opportunities; but they call for new philosophies about how to think about the future and how to connect different roles of different levels of government and different parts of the urban community. In many cases, this implies changes in how urban areas operate - fostering closer coordination between local governments and local economic institutions, and building new connections between central power structures and parts of the population who have often been kept outside of the circle of consultation and discourse. The difficulties involved in changing deeply set patterns of interaction and decision-making in urban areas should not be underestimated. Because it is so difficult, successful experiences need to be identified, described and widely publicized as models for others. However, where this challenge is met, it is likely not only to increase opportunities and reduce threats to urban development in profoundly important ways, but to make the urban area a more effective socio-political entity, in general - a better city in how it works day to day and how it solves a myriad of problems as they emerge - far beyond climate change connections alone. It is in this sense that climate change responses can be catalysts for socially inclusive, economically productive and environmentally friendly urban development, helping to pioneer new patterns of stakeholder communication and participation.

Wilbanks, Thomas J [ORNL; Romero-Lankao, Paty [National Center for Atmospheric Research (NCAR); Gnatz, P [National Center for Atmospheric Research (NCAR)

2011-01-01T23:59:59.000Z

312

Journal of Energy and Power Engineering 5 (2011) 554-561 Load Torque Compensator for Model Predictive Direct  

E-Print Network [OSTI]

Predictive Direct Current Control in High Power PMSM Drive Systems M. Preindl1, 2 and E. Schaltz2 1. Power Magnet Synchronous Machine (PMSM), it contains an inner current i.e. torque control loop and an outer for Model Predictive Direct Current Control in High Power PMSM Drive Systems 555 Fig. 1 Block diagram

Schaltz, Erik

313

Direct coal liquefaction process  

DOE Patents [OSTI]

An improved multistep liquefaction process for organic carbonaceous mater which produces a virtually completely solvent-soluble carbonaceous liquid product. The solubilized product may be more amenable to further processing than liquid products produced by current methods. In the initial processing step, the finely divided organic carbonaceous material is treated with a hydrocarbonaceous pasting solvent containing from 10% and 100% by weight process-derived phenolic species at a temperature within the range of 300.degree. C. to 400.degree. C. for typically from 2 minutes to 120 minutes in the presence of a carbon monoxide reductant and an optional hydrogen sulfide reaction promoter in an amount ranging from 0 to 10% by weight of the moisture- and ash-free organic carbonaceous material fed to the system. As a result, hydrogen is generated via the water/gas shift reaction at a rate necessary to prevent condensation reactions. In a second step, the reaction product of the first step is hydrogenated.

Rindt, John R. (Grand Forks, ND); Hetland, Melanie D. (Grand Forks, ND)

1993-01-01T23:59:59.000Z

314

Direct coal liquefaction process  

DOE Patents [OSTI]

An improved multistep liquefaction process for organic carbonaceous mater which produces a virtually completely solvent-soluble carbonaceous liquid product. The solubilized product may be more amenable to further processing than liquid products produced by current methods. In the initial processing step, the finely divided organic carbonaceous material is treated with a hydrocarbonaceous pasting solvent containing from 10% and 100% by weight process-derived phenolic species at a temperature within the range of 300 C to 400 C for typically from 2 minutes to 120 minutes in the presence of a carbon monoxide reductant and an optional hydrogen sulfide reaction promoter in an amount ranging from 0 to 10% by weight of the moisture- and ash-free organic carbonaceous material fed to the system. As a result, hydrogen is generated via the water/gas shift reaction at a rate necessary to prevent condensation reactions. In a second step, the reaction product of the first step is hydrogenated.

Rindt, J.R.; Hetland, M.D.

1993-10-26T23:59:59.000Z

315

Gravity Currents in Aquatic Canopies  

E-Print Network [OSTI]

A lock exchange experiment is used to investigate the propagation of gravity currents through a random array of rigid, emergent cylinders which represents a canopy of aquatic plants. As canopy drag increases, the propagating ...

Tanino, Yukie

316

Inverter Using Current Source Topology  

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

of the new current-fed Trans-ZSI with wider motoring operation range V in 100 V, transformer turns ratio2 * Comparison of voltage boost ratio vs. duty ratio D A New...

317

Controlling the Momentum Current of an Off-resonant Ratchet  

E-Print Network [OSTI]

We experimentally investigate the phenomenon of a quantum ratchet created by exposing a Bose-Einstein Condensate to short pulses of a potential which is periodic in both space and time. Such a ratchet is manifested by a directed current of particles, even though there is an absence of a net bias force. We confirm a recent theoretical prediction [M. Sadgrove and S. Wimberger, New J. Phys. \\textbf{11}, 083027 (2009)] that the current direction can be controlled by experimental parameters which leave the underlying symmetries of the system unchanged. We demonstrate that this behavior can be understood using a single variable containing many of the experimental parameters and thus the ratchet current is describable using a single universal scaling law.

R. K. Shrestha; J. Ni; W. K. Lam; S. Wimberger; G. S. Summy

2012-10-20T23:59:59.000Z

318

Progress on the 140 KV, 10 Megawatt Peak, 1 Megawatt Average Polyphase Quasi-Resonant Bridge, Boost Converter/Modulator for the Spallation Neutron Source (SNS) Klystron Power System  

E-Print Network [OSTI]

This paper describes electrical design and operational characteristics of a zero-voltage-switching 20 kHz polyphase bridge, boost converter/modulator for klystron pulse application. The DC-DC converter derives the buss voltages from a standard 13.8 kV to 2300 Y substation cast-core transformer. Energy storage and filtering is provided by self-clearing metallized hazy polypropylene traction capacitors. Three "H-Bridge" IGBT switching networks are used to generate the polyphase 20 kHz transformers primary drive waveforms. The 20 kHz drive waveforms are chirped the appropriate duration to generate the desired klystron pulse width. PWM (pulse width modulation) of the individual 20 kHz pulses is utilized to provide regulated output waveforms with adaptive feedforward and feedback techniques. The boost transformer design utilizes amorphous nanocrystalline material that provides the required low core loss at design flux levels and switching frequencies. Resonant shunt peaking is used on the transformer secondary to ...

Reass, W A; Gribble, R F; Lynch, M T; Tallerico, P J; Reass, William A.; Doss, James D.; Gribble, Robert F.; Lynch, Michael T.; Tallerico, Paul J.

2000-01-01T23:59:59.000Z

319

A current density distribution tool  

E-Print Network [OSTI]

. I. INTRODUCTION Current density distribution is an important consideration for those involved in electrochemical systems and electroplating in particular. In the printed wiring board (PWB) business, great emphasis is placed on the study of current... exist. Numerical techniques on the other hand, are usually easy to implement and are easily applicable to microcomputers. Their disadvantage as with any approximation technique is that the exactness of the results with This document follows the style...

Jagush, Frederic A.

1989-01-01T23:59:59.000Z

320

Rank and directional entropy Rank and directional entropy  

E-Print Network [OSTI]

Rank and directional entropy Rank and directional entropy E. Arthur (Robbie) Robinson (Joint work with Ayse Sahin) The George Washington University Talk at KIAS, Seoul, Korea. September 27, 2010 #12;Rank and directional entropy Outline 1 Introduction 2 Finite rank, Z case 3 The formal definition 4 The Z2 case 5

Robinson Jr., E. Arthur (Robbie)

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


321

Nonlinear phenomena of generation of longitudinal electric current by transversal electromagnetic field in plasmas  

E-Print Network [OSTI]

The analysis of nonlinear interaction of transversal electromagnetic field with collisionless plasma is carried out. Formulas for calculation electric current in collisionless plasma with arbitrary degree of degeneration of electronic gas are deduced. It has appeared, that the nonlinearity account leads to occurrence of the longitudinal electric current directed along a wave vector. This second current is orthogonal to the known transversal current, received at the classical linear analysis.

Latyshev, A V

2015-01-01T23:59:59.000Z

322

Unconventional petroleum: a current awareness bulletin  

SciTech Connect (OSTI)

The summaries in this bulletin cover both secondary and tertiary recovery of petroleum and the following topics under Oil Shales and Tar Sands: reserves and exploration; site geology and hydrology; drilling, fracturing, and mining; oil production, recovery, and refining; properties and composition; direct uses and by-products; health and safety; marketing and economics; waste research and management; environmental aspects; and regulations. These summaries and older citations to information on petroleum, oil shales, and tar sands back to the 1960's are available for on-line searching and retrieval on the Energy Data Base using the DOE/RECON system or commercial on-line retrieval systems. Retrospective searches can be made on any aspect of petroleum, oil shales, or tar sands, or customized profiles can be developed to provide current information for each user's needs.

Grissom, M.C. (ed.)

1983-10-30T23:59:59.000Z

323

Bioenergy Technologies Office New Directions  

Broader source: Energy.gov [DOE]

New Directions and New Business Opportunities for BETO Valerie Reed, Acting Director, BETO, U.S. Department of Energy

324

Cofinal types of directed orders  

E-Print Network [OSTI]

, ) directed partial orders #12;Cofinal types (P, ), (Q, ) directed partial orders Tukey reducibility: (P orders Tukey reducibility: (P, ) T (Q, ) if f : P Q X P unbounded = f [X] Q unbounded g : Q P Y Q cofinal = g[Y ] P cofinal #12;Cofinal types (P, ), (Q, ) directed partial orders Tukey reducibility: (P

Mátrai, Tamás

325

Direct growth of graphene on Si(111)  

SciTech Connect (OSTI)

Due to the need of integrated circuit in the current silicon technology, the formation of graphene on Si wafer is highly desirable, but is still a challenge for the scientific community. In this context, we report the direct growth of graphene on Si(111) wafer under appropriate conditions using an electron beam evaporator. The structural quality of the material is investigated in detail by reflection high energy electron diffraction, Auger electron spectroscopy, X-ray photoemission spectroscopy, Raman spectroscopy, high resolution scanning electron microscopy, atomic force microscopy, and scanning tunneling microscopy. Our experimental results confirm that the quality of graphene is strongly dependent on the growth time during carbon atoms deposition.

Thanh Trung, Pham, E-mail: phamtha@fundp.ac.be; Joucken, Frédéric; Colomer, Jean-François; Robert, Sporken [Research Center in Physics of Matter and Radiation (PMR), University of Namur (FUNDP), 61 Rue de Bruxelles, 5000 Namur (Belgium); Campos-Delgado, Jessica; Raskin, Jean-Pierre [Electrical Engineering (ELEN), Institute of Information and Communication Technologies, Electronics and Applied Mathematics (ICTEAM), Université catholique de Louvain UCL, 3 place du Levant, Louvain-la-Neuve (Belgium); Hackens, Benoît; Santos, Cristiane N. [Nanoscopic physics (NAPS), Institute of Condensed Matter and Nanosciences (IMCN), Université catholique de Louvain UCL, 2 chemin du Cyclotron, Louvain-la-Neuve (Belgium)

2014-06-14T23:59:59.000Z

326

EIS-0123: Direct Service Industry Options  

Broader source: Energy.gov [DOE]

BPA proposes to implement one or more options to reduce load fluctuations and revenue uncertainty resulting from its electrical service to 10 aluminum smelters and its other direct service industrial customers. BPA believes these options will give BPA greater ability to plan for power needs and help to maintain its relatively strong financial position during the current period of power surplus. They also are expected to enhance BPA's ability to repay the U.S. Treasury. In turn, BPA rates to other customers would stabilize.

327

Electrochemically Stable Cathode Current Collectors for Rechargeable...  

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

Stable Cathode Current Collectors for Rechargeable Magnesium Batteries . Electrochemically Stable Cathode Current Collectors for Rechargeable Magnesium Batteries . Abstract:...

328

Variable current speed controller for eddy current motors  

DOE Patents [OSTI]

A speed control system for eddy current motors is provided in which the current to the motor from a constant frequency power source is varied by comparing the actual motor speed signal with a setpoint speed signal to control the motor speed according to the selected setpoint speed. A three-phase variable voltage autotransformer is provided for controlling the voltage from a three-phase power supply. A corresponding plurality of current control resistors is provided in series with each phase of the autotransformer output connected to inputs of a three-phase motor. Each resistor is connected in parallel with a set of normally closed contacts of plurality of relays which are operated by control logic. A logic circuit compares the selected speed with the actual motor speed obtained from a digital tachometer monitoring the motor spindle speed and operated the relays to add or substract resistance equally in each phase of the motor input to vary the motor current to control the motor at the selected speed.

Gerth, H.L.; Bailey, J.M.; Casstevens, J.M.; Dixon, J.H.; Griffith, B.O.; Igou, R.E.

1982-03-12T23:59:59.000Z

329

Current responsive devices for synchronous generators  

DOE Patents [OSTI]

A device for detecting current imbalance between phases of a polyphase alternating current generator. A detector responds to the maximum peak current in the generator, and detecting means generates an output for each phase proportional to the peak current of each phase. Comparing means generates an output when the maximum peak current exceeds the phase peak current. 11 figs.

Karlicek, R.F.

1983-09-27T23:59:59.000Z

330

Leakage resistance and current inferred from CDIF operating data  

SciTech Connect (OSTI)

Axial leakage current is difficult to measure directly. Spacial and temporal variations tend to cloud the interpretation of local measurements such as the current or voltage between any two neighboring electrodes. Also the measurement process itself tends to affect the result in an unpredictable manner. Therefore it is desireable to seek an indirect method that is based upon averages over a distance equivalent to one duct diameter or more, does not perturb the system, and is based upon data already collected. An indirect method is described here together with the results obtained when it is applied to nearly all CDIF runs. When correlated, the data suggest that leak current is primarily a function of Hall parameter and Faraday current while only weakly dependent upon axial field. Possible reasons for this discussed. 4 refs., 7 figs.

Rosa, R.J.

1990-01-01T23:59:59.000Z

331

ESRDC ship notional baseline Medium Voltage Direct Current (MVDC) architecture thermal simulation and visualization  

E-Print Network [OSTI]

This work presents a fast visualization and thermal simulation tool developed as part of the Electric Ship Research and Development Consortium (ESRDC) funded by the Office of Naval Research (ONR) that is capable of providing ...

Chryssostomidis, Chryssostomos

2011-01-01T23:59:59.000Z

332

Mechanism of direct current electrical charge conduction in p-toluenesulfonate doped polypyrrole/carbon composites  

SciTech Connect (OSTI)

Polypyrrole/carbon (PPy/C) composites have been synthesized using varying concentration of p-toluenesulfonate (pTS) dopant by surface initiated in-situ chemical oxidative polymerization. The synthesis and influence of pTS on the structure of the PPy/C composites are confirmed by Fourier transform infrared studies and the morphological features have been examined by scanning electron microscopy. X-ray photoelectron spectroscopy, employed to examine the surface composition and doping level of these composites, confirms the anionic doping into the polymer backbone. Electron spin resonance measurement has been carried out on these samples to identify the nature of the charge carriers and their concentration at different doping levels. The dc electrical conductivity of these composites has been measured in the temperature range ?10–305?K. The observed results have been analyzed in the framework of existing theoretical models. Different Mott's parameters, such as characteristic temperature (T{sub 0}), density of states at the Fermi level (N(E{sub F})), average hopping distance (R), and average hopping energy (W), evaluated from dc conductivity data supports the applicability of Mott's three dimensional variable range hopping mechanism in this system.

Kumar, Amit [National Physical Laboratory, Council of Scientific and Industrial Research, Dr. K. S. Krishnan Marg, New Delhi 110012 (India); Department of Chemistry, Banaras Hindu University, Varanasi 221005 (India); Singh, Rajiv K.; Singh, Hari K.; Singh, Ramadhar, E-mail: ramadhar@mail.nplindia.org [National Physical Laboratory, Council of Scientific and Industrial Research, Dr. K. S. Krishnan Marg, New Delhi 110012 (India); Srivastava, Pankaj [Department of Chemistry, Banaras Hindu University, Varanasi 221005 (India)

2014-03-14T23:59:59.000Z

333

Empirical research Enhancing vigilance in operators with prefrontal cortex transcranial direct current  

E-Print Network [OSTI]

, USA b Booz Allen Hamilton, 700 N. St. Mary's St, Suite 700, San Antonio, TX 78205, USA c Air Force cortex in vigilance. Further, they suggest that modulation of the frontal cortices--and connected

Parasuraman, Raja

334

Sustainability standards for biofuels : analyses of the current standards and recommendations of the future direction  

E-Print Network [OSTI]

Past decades have seen development and expansion of biofuels industry around the world thanks to the environmental and economic contribution that biofuels have promised. As more and more people became concerned about the ...

Lee, Leebong

2014-01-01T23:59:59.000Z

335

DSpace as an Open Archival Information System: Current Status and Future Directions  

E-Print Network [OSTI]

As more and more output from research institutions is born digital, a means for capturing and preserving the results of this investment is required. To begin to understand and address the problems surrounding this task, ...

Tansley, Robert

336

Structural properties of dusty plasma in direct current and radio frequency gas discharges  

SciTech Connect (OSTI)

This paper presents radial distribution functions of dust particles obtained experimentally in dc and rf discharges. Pressure and interaction energy of dusty particles were calculated on the basis of these functions. The Langevin dynamics computer simulation for each experiment was performed. The comparisons with computer simulations are made.

Ramazanov, T. S.; Dzhumagulova, K. N.; Jumabekov, A. N.; Dosbolayev, M. K. [Al Farabi Kazakh National University, IETP, Tole bi 96a, Almaty, 050012 (Kazakhstan)

2008-05-15T23:59:59.000Z

337

Ion velocities in direct current arc plasma generated from compound cathodes  

SciTech Connect (OSTI)

Arc plasma from Ti-C, Ti-Al, and Ti-Si cathodes was characterized with respect to charge-state-resolved ion energy. The evaluated peak velocities of different ion species in plasma generated from a compound cathode were found to be equal and independent on ion mass. Therefore, measured difference in kinetic energies can be inferred from the difference in ion mass, with no dependence on ion charge state. The latter is consistent with previous work. These findings can be explained by plasma quasineutrality, ion acceleration by pressure gradients, and electron-ion coupling. Increasing the C concentration in Ti-C cathodes resulted in increasing average and peak ion energies for all ion species. This effect can be explained by the “cohesive energy rule,” where material and phases of higher cohesive energy generally result in increasing energies (velocities). This is also consistent with the here obtained peak velocities around 1.37, 1.42, and 1.55 (10{sup 4} m/s) for ions from Ti{sub 0.84}Al{sub 0.16}, Ti{sub 0.90}Si{sub 0.10}, and Ti{sub 0.90}C{sub 0.10} cathodes, respectively.

Zhirkov, I.; Rosen, J. [Thin Film Physics Division, Department of Physics, Chemistry and Biology (IFM), Linköping University, SE-581 83 Linköping (Sweden)] [Thin Film Physics Division, Department of Physics, Chemistry and Biology (IFM), Linköping University, SE-581 83 Linköping (Sweden); Eriksson, A. O. [Thin Film Physics Division, Department of Physics, Chemistry and Biology (IFM), Linköping University, SE-581 83 Linköping (Sweden) [Thin Film Physics Division, Department of Physics, Chemistry and Biology (IFM), Linköping University, SE-581 83 Linköping (Sweden); Oerlikon Balzers Coating AG, Iramali 18, 9496 Balzers (Liechtenstein)

2013-12-07T23:59:59.000Z

338

Sustainability standards for biofuels : analyses of the current standards and recommendations of the future direction .  

E-Print Network [OSTI]

??Past decades have seen development and expansion of biofuels industry around the world thanks to the environmental and economic contribution that biofuels have promised. As… (more)

Lee, Leebong

2014-01-01T23:59:59.000Z

339

Direct current measurement of ohmic resistance of high conductivity solutions by means of polarized electrodes  

E-Print Network [OSTI]

) f(~. -R) ~ z cell e Iofl i a x (R-R)~k col c y I'. q, (I I ) lacer:;. e:: x mx (I Z) Notion that Ifq, (IZ) fa n poiyaomfal Ifoear in fhk un'atovua m, ' and b and ot tha I'orm " = -n . . '. k f(. ") ' b the K:othod of Lmt Squares anb~ fm... modify: pp". ! e": F(r, , !;, b) = Q (z -mx. -!. y -b) 2 ' I gP/m ~ . (-:. -mx. -sy -b)(-x) ~ 0 2 t +Sy '-bg" = Q x. z "i ' ' 'I' I "I i I (13) l n ZFj?'-~ Q . . (" -mx -ky -b)(y)~0 f~1 "i I m ~ xy cf:Qy; b+y, =~+. -. , y Z I i I f ' I i~n gp...

Artecona, Victor Manuel

1959-01-01T23:59:59.000Z

340

Integration of offshore wind farms through High Voltage Direct Current networks.  

E-Print Network [OSTI]

??The integration of offshore wind farms through Multi Terminal DC (MTDC) networks into the GB network was investigated. The ability of Voltage Source Converter (VSC)… (more)

Livermore, Luke

2013-01-01T23:59:59.000Z

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


341

Magnetostrictive stress reconfigurable thin film resonators for near direct current magnetoelectric sensors  

E-Print Network [OSTI]

but not limited to electric field tunable electronic devices,2­4 microwave magnetic devices,5 energy harvesting,6

Boyer, Edmond

342

Effect of limiting the cathode surface on direct current microhollow cathode discharge in helium  

E-Print Network [OSTI]

as high as 250 m whereas the nickel electrode thickness is only 6 m. Ni is deposited by electrodeposition

Lee, Jeong-Bong

343

Nonlocal control of electron temperature in short direct current glow discharge plasma  

SciTech Connect (OSTI)

To demonstrate controlling the electron temperature in nonlocal plasma, experiments have been performed on a short (without positive column) dc glow discharge with a cold cathode by applying different voltages to the conducting discharge wall. The experiments have been performed for low-pressure noble gas discharges. The applied voltage can modify trapping the energetic electrons emitted from the cathode sheath and arising from the atomic and molecular processes in the plasma within the device volume. This phenomenon results in the energetic electrons heating the slow plasma electrons, which consequently modifies the electron temperature. Furthermore, a numerical model of the discharge has demonstrated the electron temperature modification for the above case.

Demidov, V. I. [Department of Optics and Spectroscopy, St. Petersburg State University, St. Petersburg 199034 (Russian Federation); International Laboratory “Nonlocal Plasma in Nanotechnology and Medicine”, ITMO University, Kronverkskiy pr. 49, St. Petersburg 197101 (Russian Federation); Department of Physics and Astronomy, West Virginia University, Morgantown, West Virginia 26506 (United States); Kudryavtsev, A. A.; Stepanova, O. M. [Department of Optics and Spectroscopy, St. Petersburg State University, St. Petersburg 199034 (Russian Federation); Kurlyandskaya, I. P. [International Laboratory “Nonlocal Plasma in Nanotechnology and Medicine”, ITMO University, Kronverkskiy pr. 49, St. Petersburg 197101 (Russian Federation); St. Petersburg University of State Fire Service of EMERCOM RF, Murmansk Branch, Murmansk 183040 (Russian Federation)

2014-09-15T23:59:59.000Z

344

Atmospheric Radiation Measurement Program Science Plan Current Status and Future Directions of the ARM Science Program  

SciTech Connect (OSTI)

The Atmospheric Radiation Measurement (ARM) Program has matured into one of the key programs in the U.S. Climate Change Science Program. The ARM Program has achieved considerable scientific success in a broad range of activities, including site and instrument development, atmospheric radiative transfer, aerosol science, determination of cloud properties, cloud modeling, and cloud parameterization testing and development. The focus of ARM science has naturally shifted during the last few years to an increasing emphasis on modeling and parameterization studies to take advantage of the long time series of data now available. During the next 5 years, the principal focus of the ARM science program will be to: • Maintain the data record at the fixed ARM sites for at least the next five years. • Improve significantly our understanding of and ability to parameterize the 3-D cloud-radiation problem at scales from the local atmospheric column to the global climate model (GCM) grid square. • Continue developing techniques to retrieve the properties of all clouds, with a special focus on ice clouds and mixed-phase clouds. • Develop a focused research effort on the indirect aerosol problem that spans observations, physical models, and climate model parameterizations. • Implement and evaluate an operational methodology to calculate broad-band heating rates in the atmospheric columns at the ARM sites. • Develop and implement methodologies to use ARM data more effectively to test atmospheric models, both at the cloud-resolving model scale and the GCM scale. • Use these methodologies to diagnose cloud parameterization performance and then refine these parameterizations to improve the accuracy of climate model simulations. In addition, the ARM Program is actively developing a new ARM Mobile Facility (AMF) that will be available for short deployments (several months to a year or more) in climatically important regions. The AMF will have much of the same instrumentation as the remote facilities at ARM’s Tropical Western Pacific and the North Slope of Alaska sites. Over time, this new facility will extend ARM science to a much broader range of conditions for model testing.

TP Ackerman; AD Del Genio; RG Ellingson; RA Ferrare; SA Klein; GM McFarquhar; PJ Lamb; CN Long; J Verlinde

2004-10-30T23:59:59.000Z

345

Bi-directional Current-fed Medium Frequency Transformer Isolated AC-DC Converter  

E-Print Network [OSTI]

and the development of new grid systems like HVDC transmission lines. The new solution proposed needs to incorporate methods for the renewable sources to receive power for monitoring and control, during periods of zero production. This calls for a power converter...

Essakiappan, Somasundaram

2011-08-08T23:59:59.000Z

346

Identification of ions near HVDC (high-voltage direct-current) transmission lines: Final report  

SciTech Connect (OSTI)

Positive and negative ion species were identified and studied at two separate field sites and one laboratory site. The first field study was conducted under an operating HVDC transmission line. The second was near a HVDC test line and measurements were performed with the line in both an energized and de-energized state. During clear, sunny days HSO/sub 4//sup /minus///center dot/H/sub 2/SO/sub 4/ was observed to be the dominant negative ion in the natural ion spectrum. At night, however, HSO/sub 4//sup /minus// core ions virtually disappeared, and were replaced by NO/sub 3//sup /minus// core ions and their first nitric acid cluster. Both negative spectra also typically contained lesser concentrations of the malonate ion. The transmission line negative spectra were similar but were typically dominated by the NO/sub 3//sup /minus// core ions during both day and night. The positive ions observed under HVDC lines were typically either NH/sub 4//sup +/ or C/sub 5/H/sub 6/N/sup +/, which reacted with higher proton affinity species (such as methylpyridines, trimethylamine and quinoline) farther from or in the absence of the transmission line. The observed differences between natural and anthropogenic ion spectra near HVDC lines are attributed primarily to a shortening of ion lifetimes by the strong electric field associated with the HVDC lines. One exception is the production of potassium and probably sodium based ions from the decomposition of insects in transmission line coronas. 22 refs., 29 figs.

Eisele, F.L.

1989-05-01T23:59:59.000Z

347

Hall mobility of cuprous oxide thin films deposited by reactive direct-current magnetron sputtering  

E-Print Network [OSTI]

Cuprous oxide (Cu[subscript 2]O) is a promising earth-abundant semiconductor for photovoltaic applications. We report Hall mobilities of polycrystalline Cu[subscript 2]O thin films deposited by reactive dc magnetron ...

Lee, Yun Seog

348

Direct-Current Resistivity At Beowawe Hot Springs Area (Garg, Et Al., 2007)  

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 on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 NoPublic Utilities Address:011-DNA Jump to:52c8ff988c1Dering Harbor, NewRidge,Dinwiddie County,| Open Energy

349

Direct-Current Resistivity At Cove Fort Area (Warpinski, Et Al., 2004) |  

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 on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 NoPublic Utilities Address:011-DNA Jump to:52c8ff988c1Dering Harbor, NewRidge,Dinwiddie County,| Open EnergyOpen

350

Direct-Current Resistivity At Cove Fort Area - Liquid (Combs 2006) | Open  

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 on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 NoPublic Utilities Address:011-DNA Jump to:52c8ff988c1Dering Harbor, NewRidge,Dinwiddie County,| Open

351

Direct-Current Resistivity At Haleakala Volcano Area (Thomas, 1986) | Open  

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 on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 NoPublic Utilities Address:011-DNA Jump to:52c8ff988c1Dering Harbor, NewRidge,Dinwiddie County,| OpenEnergy

352

Direct-Current Resistivity At Honokowai Area (Thomas, 1986) | Open Energy  

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 on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 NoPublic Utilities Address:011-DNA Jump to:52c8ff988c1Dering Harbor, NewRidge,Dinwiddie County,|

353

Direct-Current Resistivity At Hualalai Northwest Rift Area (Thomas, 1986) |  

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 on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 NoPublic Utilities Address:011-DNA Jump to:52c8ff988c1Dering Harbor, NewRidge,Dinwiddie County,|Open Energy

354

Direct-Current Resistivity At Kilauea Southwest Rift And South Flank Area  

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 on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 NoPublic Utilities Address:011-DNA Jump to:52c8ff988c1Dering Harbor, NewRidge,Dinwiddie County,|Open Energy(Thomas,

355

Direct-Current Resistivity Survey At Brady Hot Springs Area (Combs 2006) |  

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 on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 NoPublic Utilities Address:011-DNA Jump to:52c8ff988c1Dering Harbor, NewRidge,Dinwiddie County,|OpenOpen Energy

356

Direct-Current Resistivity Survey At Central Nevada Seismic Zone Region  

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 on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 NoPublic Utilities Address:011-DNA Jump to:52c8ff988c1Dering Harbor, NewRidge,Dinwiddie County,|OpenOpen

357

Direct-Current Resistivity Survey At Cove Fort Area - Vapor (Warpinski, Et  

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 on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 NoPublic Utilities Address:011-DNA Jump to:52c8ff988c1Dering Harbor, NewRidge,Dinwiddie County,|OpenOpenAl., 2002) |

358

Direct-Current Resistivity Survey At Cove Fort Area - Vapor (Warpinski, Et  

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 on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 NoPublic Utilities Address:011-DNA Jump to:52c8ff988c1Dering Harbor, NewRidge,Dinwiddie County,|OpenOpenAl., 2002)

359

Direct-Current Resistivity Survey At Dixie Valley Geothermal Area (Laney,  

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 on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 NoPublic Utilities Address:011-DNA Jump to:52c8ff988c1Dering Harbor, NewRidge,Dinwiddie County,|OpenOpenAl.,

360

Direct-Current Resistivity Survey At Honokowai Area (Thomas, 1986) | Open  

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 on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 NoPublic Utilities Address:011-DNA Jump to:52c8ff988c1Dering Harbor, NewRidge,Dinwiddie County,|OpenOpenAl.,Energy

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


361

Direct-Current Resistivity Survey At Kawaihae Area (Thomas, 1986) | Open  

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 on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 NoPublic Utilities Address:011-DNA Jump to:52c8ff988c1Dering Harbor, NewRidge,Dinwiddie

362

Direct-Current Resistivity Survey At Kilauea East Rift Geothermal Area  

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 on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 NoPublic Utilities Address:011-DNA Jump to:52c8ff988c1Dering Harbor, NewRidge,Dinwiddie(FURUMOTO, 1976) | Open Energy

363

Direct-Current Resistivity Survey At Kilauea East Rift Geothermal Area  

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 on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 NoPublic Utilities Address:011-DNA Jump to:52c8ff988c1Dering Harbor, NewRidge,Dinwiddie(FURUMOTO, 1976) | Open

364

Direct-Current Resistivity Survey At Kilauea East Rift Geothermal Area  

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 on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 NoPublic Utilities Address:011-DNA Jump to:52c8ff988c1Dering Harbor, NewRidge,Dinwiddie(FURUMOTO, 1976) |

365

Direct-Current Resistivity Survey At Lightning Dock Area (Cunniff & Bowers,  

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 on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 NoPublic Utilities Address:011-DNA Jump to:52c8ff988c1Dering Harbor, NewRidge,Dinwiddie(FURUMOTO, 1976) |2005) | Open

366

Direct-Current Resistivity Survey At Long Valley Caldera Geothermal Area  

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 on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 NoPublic Utilities Address:011-DNA Jump to:52c8ff988c1Dering Harbor, NewRidge,Dinwiddie(FURUMOTO, 1976) |2005) |

367

Direct-Current Resistivity Survey At Marysville Mt Area (Blackwell) | Open  

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 on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 NoPublic Utilities Address:011-DNA Jump to:52c8ff988c1Dering Harbor, NewRidge,Dinwiddie(FURUMOTO, 1976) |2005)

368

Direct-Current Resistivity Survey At Mauna Loa Northeast Rift Area (Thomas,  

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 on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 NoPublic Utilities Address:011-DNA Jump to:52c8ff988c1Dering Harbor, NewRidge,Dinwiddie(FURUMOTO, 1976) |2005)1986) |

369

Direct-Current Resistivity Survey At Mokapu Penninsula Area (Thomas, 1986)  

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 on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 NoPublic Utilities Address:011-DNA Jump to:52c8ff988c1Dering Harbor, NewRidge,Dinwiddie(FURUMOTO, 1976) |2005)1986)

370

Direct-Current Resistivity Survey At Mt Princeton Hot Springs Area  

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 on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 NoPublic Utilities Address:011-DNA Jump to:52c8ff988c1Dering Harbor, NewRidge,Dinwiddie(FURUMOTO, 1976)

371

Direct-Current Resistivity Survey At Northern Basin & Range Region  

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 on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 NoPublic Utilities Address:011-DNA Jump to:52c8ff988c1Dering Harbor, NewRidge,Dinwiddie(FURUMOTO, 1976)(Pritchett,

372

Direct-Current Resistivity Survey At Nw Basin & Range Region (Pritchett,  

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 on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 NoPublic Utilities Address:011-DNA Jump to:52c8ff988c1Dering Harbor, NewRidge,Dinwiddie(FURUMOTO,

373

Direct-Current Resistivity Survey At Raft River Geothermal Area (1983) |  

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 on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 NoPublic Utilities Address:011-DNA Jump to:52c8ff988c1Dering Harbor, NewRidge,Dinwiddie(FURUMOTO,Open Energy

374

Direct-Current Resistivity Survey At Roosevelt Hot Springs Area (Combs  

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 on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 NoPublic Utilities Address:011-DNA Jump to:52c8ff988c1Dering Harbor, NewRidge,Dinwiddie(FURUMOTO,Open Energy2006) |

375

Direct-Current Resistivity Survey At Stillwater Area (Laney, 2005) | Open  

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 on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 NoPublic Utilities Address:011-DNA Jump to:52c8ff988c1Dering Harbor, NewRidge,Dinwiddie(FURUMOTO,Open Energy2006)

376

Direct-Current Resistivity Survey At Walker-Lane Transitional Zone Region  

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 on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 NoPublic Utilities Address:011-DNA Jump to:52c8ff988c1Dering Harbor, NewRidge,Dinwiddie(FURUMOTO,Open(Pritchett,

377

An investigation of a direct current method for measuring resistances of electrolytic solutions  

E-Print Network [OSTI]

they vere in contact Cor4on and his co workers (6, 7, 8, 9, 10) published a series of papers on the oonduotivities of NaC1 ~ KGB KB' NaBrg KX ~ LiC1 and CaC1 in aqueous solutions, anhydrous methanol, an4 methanol-vater mixtures, These solutions vere... studied at various temperatures and conoentrations, employing the metho4 devised by Cunning and Cordon, Ei Elias an4 I, X+ Sohiff (ll) reported a modification of the method developed by Cunning and Cordon vhich exten4ed its application to eleotroiytes...

Hildebrand, Jacob Russell

1960-01-01T23:59:59.000Z

378

Simulation of a direct current microplasma discharge in helium at atmospheric pressure  

E-Print Network [OSTI]

to be dissipated in gas heating. On the other hand, since microdischarges have a much larger surface-to- volume, Demetre J. Economou,a and Vincent M. Donnellyb Plasma Processing Laboratory, Department of Chemical to satisfy the "global" particle balance in the plasma. Gas heating was found to play an important role

Economou, Demetre J.

379

Sandia National Laboratories: photovoltaic direct-current arc-fault circuit  

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:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1developmentturbine bladelifetime ismobileparallel

380

Direct-Current Resistivity At Brady Hot Springs Area (Combs 2006) | Open  

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 on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 No revision has beenFfe2fb55-352f-473b-a2dd-50ae8b27f0a6 No revision has Type Term TitleSilverDillon Wind

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


381

Direct-Current Resistivity At Clear Lake Area (Skokan, 1993) | Open Energy  

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 on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 No revision has beenFfe2fb55-352f-473b-a2dd-50ae8b27f0a6 No revision has Type Term TitleSilverDillon

382

Direct-Current Resistivity At Cove Fort Area (Warpinski, Et Al., 2002) |  

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 on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 No revision has beenFfe2fb55-352f-473b-a2dd-50ae8b27f0a6 No revision has Type Term TitleSilverDillonOpen Energy

383

Direct-Current Resistivity At Cove Fort Area (Warpinski, Et Al., 2002) |  

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 on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 No revision has beenFfe2fb55-352f-473b-a2dd-50ae8b27f0a6 No revision has Type Term TitleSilverDillonOpen EnergyOpen

384

Direct-Current Resistivity At Cove Fort Area - Liquid (Warpinski, Et Al.,  

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 on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 No revision has beenFfe2fb55-352f-473b-a2dd-50ae8b27f0a6 No revision has Type Term TitleSilverDillonOpen

385

Direct-Current Resistivity At Kawaihae Area (Thomas, 1986) | Open Energy  

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 on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 No revision has beenFfe2fb55-352f-473b-a2dd-50ae8b27f0a6 No revision has Type Term

386

Direct-Current Resistivity At Kilauea Summit Area (Keller, Et Al., 1979) |  

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 on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 No revision has beenFfe2fb55-352f-473b-a2dd-50ae8b27f0a6 No revision has Type TermOpen Energy Information Kilauea

387

Direct-Current Resistivity At Lahaina-Kaanapali Area (Thomas, 1986) | Open  

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 on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 No revision has beenFfe2fb55-352f-473b-a2dd-50ae8b27f0a6 No revision has Type TermOpen Energy Information

388

Direct-Current Resistivity At Lualualei Valley Area (Thomas, 1986) | Open  

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 on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 No revision has beenFfe2fb55-352f-473b-a2dd-50ae8b27f0a6 No revision has Type TermOpen Energy InformationEnergy

389

Direct-Current Resistivity Survey At Beowawe Hot Springs Area (Garg, Et  

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 on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 No revision has beenFfe2fb55-352f-473b-a2dd-50ae8b27f0a6 No revision has Type TermOpen Energy

390

Direct-Current Resistivity Survey At Clear Lake Area (Skokan, 1993) | Open  

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 on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 No revision has beenFfe2fb55-352f-473b-a2dd-50ae8b27f0a6 No revision has Type TermOpen EnergyEnergy Information

391

Direct-Current Resistivity Survey At Coso Geothermal Area (1977) | Open  

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 on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 No revision has beenFfe2fb55-352f-473b-a2dd-50ae8b27f0a6 No revision has Type TermOpen EnergyEnergy

392

Direct-Current Resistivity Survey At Cove Fort Area (Warpinski, Et Al.,  

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 on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 No revision has beenFfe2fb55-352f-473b-a2dd-50ae8b27f0a6 No revision has Type TermOpen EnergyEnergy2002) | Open

393

Direct-Current Resistivity Survey At Cove Fort Area (Warpinski, Et Al.,  

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 on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 No revision has beenFfe2fb55-352f-473b-a2dd-50ae8b27f0a6 No revision has Type TermOpen EnergyEnergy2002) | Open2004)

394

Direct-Current Resistivity Survey At Cove Fort Area - Liquid (Combs 2006) |  

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 on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 No revision has beenFfe2fb55-352f-473b-a2dd-50ae8b27f0a6 No revision has Type TermOpen EnergyEnergy2002) |

395

Direct-Current Resistivity Survey At Haleakala Volcano Area (Thomas, 1986)  

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 on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 No revision has beenFfe2fb55-352f-473b-a2dd-50ae8b27f0a6 No revision has Type TermOpen EnergyEnergy2002) || Open

396

Direct-Current Resistivity Survey At Hualalai Northwest Rift Area (Thomas,  

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 on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 No revision has beenFfe2fb55-352f-473b-a2dd-50ae8b27f0a6 No revision has Type TermOpen EnergyEnergy2002) || Open1986)

397

Direct-Current Resistivity Survey At Kilauea Southwest Rift And South Flank  

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 on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 No revision has beenFfe2fb55-352f-473b-a2dd-50ae8b27f0a6 No revision has Type TermOpen EnergyEnergy2002) ||

398

Direct-Current Resistivity Survey At Kilauea Summit Area (Keller, Et Al.,  

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 on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 No revision has beenFfe2fb55-352f-473b-a2dd-50ae8b27f0a6 No revision has Type TermOpen EnergyEnergy2002) ||1979) |

399

Direct-Current Resistivity Survey At Lahaina-Kaanapali Area (Thomas, 1986)  

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 on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 No revision has beenFfe2fb55-352f-473b-a2dd-50ae8b27f0a6 No revision has Type TermOpen EnergyEnergy2002) ||1979) ||

400

Direct-Current Resistivity Survey At Lightning Dock Area (Warpinski, Et  

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 on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 No revision has beenFfe2fb55-352f-473b-a2dd-50ae8b27f0a6 No revision has Type TermOpen EnergyEnergy2002) ||1979)

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


401

Direct-Current Resistivity Survey At Lualualei Valley Area (Thomas, 1986) |  

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 on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 No revision has beenFfe2fb55-352f-473b-a2dd-50ae8b27f0a6 No revision has Type TermOpen EnergyEnergy2002) ||1979)Open

402

Direct-Current Resistivity Survey At Mauna Loa Southwest Rift Area (Thomas,  

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 on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 No revision has beenFfe2fb55-352f-473b-a2dd-50ae8b27f0a6 No revision has Type TermOpen EnergyEnergy2002)

403

Direct-Current Resistivity Survey At Raft River Geothermal Area (1975) |  

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 on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 No revision has beenFfe2fb55-352f-473b-a2dd-50ae8b27f0a6 No revision has Type TermOpen EnergyEnergy2002)Open Energy

404

Direct-Current Resistivity Survey At Soda Lake Area (Combs 2006) | Open  

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 on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 No revision has beenFfe2fb55-352f-473b-a2dd-50ae8b27f0a6 No revision has Type TermOpen EnergyEnergy2002)Open

405

Overmodulation in Current Controlled Drives  

E-Print Network [OSTI]

220 Chapter 5 Overmodulation in Current Controlled Drives 5.1 Introduction The performance of voltage feedforward controlled constant V f PWM-VSI drives is insu cient for most industrial processes performance control methods. Electric traction, el- evators, textile machines, paper and plastic machines

Hava, Ahmet

406

System Level Payoffs Current Accomplishments  

E-Print Network [OSTI]

Scientific Challenges War fighter Benefit · Develop approach for spot-type welding of dissimilar refractory of refractory dissimilar materials. For example: ·Carbon composite - Carbon; ·Silicon carbide ­ Metal alloys#12;System Level Payoffs Current Accomplishments Joining of Refractory and Dissimilar Materials

Mukasyan, Alexander

407

Current Issue June 10, 2009  

E-Print Network [OSTI]

Current Issue June 10, 2009 Vol. 109, No. 15 LETTERS CLASS NOTES MEMORIALS ALUMNI PROFILES SEARCH > Alum's startup company bets on Princeton research Alum's startup company bets on Princeton research materials-science innovation into a promising startup company. John Lettow '95, president and co

Aksay, Ilhan A.

408

UNL WATER CENTER WATER CURRENT  

E-Print Network [OSTI]

................ Sidney Area Deals with Drought 6................ Water and Electricity Are Inseparable 10's East Campus. "Consolidating administration,faculty and staff and facilities is costeffectiveandper or commercial products constitute endorsement by the U.S. Government. WATER CURRENT Water Center University

Nebraska-Lincoln, University of

409

Conservation Comparison of Plan, Current  

E-Print Network [OSTI]

Northwest Power and Conservation Council Comparison of Plan, Current Policy, and No-Policy Cases Power Committee Web Meeting June 30, 2009 Northwest Power and Conservation Council Definition of Cases, new plant emissions limits, and carbon price risk #12;Northwest Power and Conservation Council

410

Optimization of Current Carrying Multicables  

E-Print Network [OSTI]

approach. Keywords Shape optimization · Genetic algorithm · Electric cables · Finite element method · Joule material, space and weight, manufacturers reduce cable diameters which is only possible to a certain extend multicables Helmut Harbrecht · Florian Loos Received: date / Accepted: date Abstract High currents in cable

Kraft, Hanspeter

411

High critical current superconducting tapes  

DOE Patents [OSTI]

Improvements in critical current capacity for superconducting film structures are disclosed and include the use of a superconducting RE-BCO layer including a mixture of rare earth metals, e.g., yttrium and europium, where the ratio of yttrium to europium in the RE-BCO layer ranges from about 3 to 1 to from about 1.5 to 1.

Holesinger, Terry G. (Los Alamos, NM); Jia, Quanxi (Los Alamos, NM); Foltyn, Stephen R. (Los Alamos, NM)

2003-09-23T23:59:59.000Z

412

UNL WATER CENTER WATER CURRENT  

E-Print Network [OSTI]

INSIDE UNL WATER CENTER WATER CURRENT PROTECTING NEBRASKAíS WATER RESOURCES THROUGH RESEARCH with a vision, thereís an untapped market using resources right under our feet,î the University of Nebraska outdoors in India, Bangladesh, China and Viet- nam. Thousands of them have been grown to harvest

Nebraska-Lincoln, University of

413

Direct cooled power electronics substrate  

DOE Patents [OSTI]

The disclosure describes directly cooling a three-dimensional, direct metallization (DM) layer in a power electronics device. To enable sufficient cooling, coolant flow channels are formed within the ceramic substrate. The direct metallization layer (typically copper) may be bonded to the ceramic substrate, and semiconductor chips (such as IGBT and diodes) may be soldered or sintered onto the direct metallization layer to form a power electronics module. Multiple modules may be attached to cooling headers that provide in-flow and out-flow of coolant through the channels in the ceramic substrate. The modules and cooling header assembly are preferably sized to fit inside the core of a toroidal shaped capacitor.

Wiles, Randy H [Powell, TN; Wereszczak, Andrew A [Oak Ridge, TN; Ayers, Curtis W. (Kingston, TN) [Kingston, TN; Lowe, Kirk T. (Knoxville, TN) [Knoxville, TN

2010-09-14T23:59:59.000Z

414

Idaho National Laboratory Driving Directions  

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

Area Attractions and Events Area Geography Area History Area Links Driving Directions Idaho Falls Attractions and Events INL History INL Today Research Park Sagebrush Steppe...

415

Policy Procedure Administrative Directive Title: _____________________________________  

E-Print Network [OSTI]

Policy ­ Procedure ­ Administrative Directive Title: _____________________________________ Policy-President _____________ See also: Related Policies, Procedures and Agreements: Relevant Legislation and Regulations: ____________________________________________________________________________ Background and Purpose: ____________________________________________________________________________ Policy

Northern British Columbia, University of

416

500-kV Central Ferry Substation ...  

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

Substation Y Y Central Ferry Substation T u c a n n o n R i v e r S n a k e R i v e r 12 U V 127 U V 127 U V 260 U V 261 12 Starbuck Starbuck W h i t m a n W h i t m a...

417

KV-tOOJHfe Metallurgy Department  

E-Print Network [OSTI]

.1. Fracture Testing 24 3.2. Fatigue Testing Using Offshore Load Spectrum .. 25 3.3. Brazing and Soldering 25 3 Research on Advanced Ceramic Materials 37 4.8. Developaent and Testing of Oxygen Sensors 38 FUEL ELEMENTS concentrated mainly on nuclear metallurgy to covering a number of different areas within ma- terials science

418

Currents on MDT end plugs  

E-Print Network [OSTI]

A sample of MDT tubes was irradiated in the CERN X5 facility to study their aging behaviour. Part of these tubes were subjected to a glow discharge cleaning (sputtering) with reversed high voltage up to 1660 mC/cm. Current and Ohmic resistance measurements on these tubes gave the same null result as for non-irradiated tubes. The inner plastic surface of one end plug was analysed through the XPS technique. No traces of aluminium were found.

Paschhoff, V

1998-01-01T23:59:59.000Z

419

For current viewing resistor loads  

DOE Patents [OSTI]

The invention comprises a terminal unit for a flat cable comprising a BNC-PCB connector having a pin for electrically contacting one or more conducting elements of a flat cable, and a current viewing resistor having an opening through which the pin extends and having a resistor face that abuts a connector face of the BNC-PCB connector, wherein the device is a terminal unit for the flat cable.

Lyons, Gregory R. (Tijeras, NM); Hass, Jay B. (Lee's Summit, MO)

2011-04-19T23:59:59.000Z

420

The Current Status of Asteroseismology  

E-Print Network [OSTI]

Stellar evolution, a fundamental bedrock of modern astrophysics, is driven by the physical processes in stellar interiors. While we understand these processes in general terms, we lack some important ingredients. Seemingly small uncertainties in the input physics of the models, e.g., the opacities or the amount of mixing and of interior rotation, have large consequences for the evolution of stars. The goal of asteroseismology is to improve the description of the interior physics of stars by means of their oscillations, just as global helioseismology led to a huge step forward in our knowledge about the internal structure of the Sun. In this paper we present the current status of asteroseismology by considering case studies of stars with a variety of masses and evolutionary stages. In particular, we outline how the confrontation between the observed oscillation frequencies and those predicted by the models allows us to pinpoint limitations of the input physics of current models and improve them to a level that cannot be reached with any other current method.

C. Aerts; J. Christensen-Dalsgaard; M. Cunha; D. W. Kurtz

2008-03-25T23:59:59.000Z

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


421

Slide 1  

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

10 MVA Transmission Line voltage 69 kV STATCOM voltage 4.16 kV Phase current 1.39 kA Transformer 69kV4.16kV Converter Cascade multilevel converter Device Gen-4 ETO (4.5kV4kA )...

422

Progress in Direct-Drive Inertial Confinement Fusion  

SciTech Connect (OSTI)

Recent progress in direct-drive inertial confinement fusion research at LLE using the 60-beam, 30-kJUV OMEGA laser system and cryogenic target capability to perform ignition-scaled implosions will be reported. In addition, a new high-energy (2.6-kJ) petawatt capability is currently under construction.

Meyerhofer,D.D.

2004-12-17T23:59:59.000Z

423

Direct Methanol Fuel Cell Experimental and Model Validation Study  

E-Print Network [OSTI]

Direct Methanol Fuel Cell Experimental and Model Validation Study M. Mench, J. Scott, S. Thynell boundary Fuel cell performance Current density distribution measurements Conclusions #12;3 Method, flow rate, species inlet and fuel cell temperature, and humidity. Transparent polycarbonate windows

Wang, Chao-Yang

424

DIRECT NUMERICAL SIMULATION OF HOT AND HIGHLY PULSATED  

E-Print Network [OSTI]

generated by direct current plasma torch. Plasma spraying is used to deposit thick coatings on a substrate, turbulence, compact scheme, non-reflecting bound- ary conditions 1 Introduction Plasma spraying and transport properties are evaluated by using tabulated values for the viscosity and the thermal conductivity

Sart, Remi

425

Laboratory Directed Research and Development  

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

Improving Lithium Batteries Improvements in both the safety and voltage capacity of lithium-ion batteries will be necessary to power transportation fleets with electricity. Current...

426

Ratchet-induced current in the Holstein system  

E-Print Network [OSTI]

We propose a mechanism to rectify charge transport in the Holstein model utilising a polaron-ratchet effect. It is shown that localised initial conditions associated with a polaron solution in conjunction with a nonreversion symmetric static electron on-site potential break internally the spatio-temporal symmetries of the underlying periodic lattice system allowing for the emergence of a directed current. Occurrence of long-range coherent charge transport is demonstrated.

Hennig, D; Osbaldestin, A H

2010-01-01T23:59:59.000Z

427

Asymmetric current-phase relation due to spin-orbit interaction in semiconductor nanowire Josephson junction  

SciTech Connect (OSTI)

We theoretically study the current-phase relation in semiconductor nanowire Josephson junction in the presence of spin-orbit interaction. In the nanowire, the impurity scattering with strong SO interaction is taken into account using the random matrix theory. In the absence of magnetic field, the Josephson current I and phase difference ? between the superconductors satisfy the relation of I(?) = –I(–?). In the presence of magnetic field along the nanowire, the interplay between the SO interaction and Zeeman effect breaks the current-phase relation of I(?) = –I(–?). In this case, we show that the critical current depends on the current direction, which qualitatively agrees with recent experimental findings.

Yokoyama, Tomohiro; Eto, Mikio [Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama 223-8522 (Japan); Nazarov, Yuli V. [Kavli Institute of Nanoscience, Delft University of Technology, Lorentzweg 1, 2628 CJ Delft, The Netherlands (Netherlands)

2013-12-04T23:59:59.000Z

428

Electrolytic/fuel cell bundles and systems including a current collector in communication with an electrode thereof  

DOE Patents [OSTI]

Electrolytic/fuel cell bundles and systems including such bundles include an electrically conductive current collector in communication with an anode or a cathode of each of a plurality of cells. A cross-sectional area of the current collector may vary in a direction generally parallel to a general direction of current flow through the current collector. The current collector may include a porous monolithic structure. At least one cell of the plurality of cells may include a current collector that surrounds an outer electrode of the cell and has at least six substantially planar exterior surfaces. The planar surfaces may extend along a length of the cell, and may abut against a substantially planar surface of a current collector of an adjacent cell. Methods for generating electricity and for performing electrolysis include flowing current through a conductive current collector having a varying cross-sectional area.

Hawkes, Grant L.; Herring, James S.; Stoots, Carl M.; O'Brien, James E.

2013-03-05T23:59:59.000Z

429

Quantifying turbidity current interactions with topography  

E-Print Network [OSTI]

This thesis advances our understanding of how transport properties of turbidity currents are mediated by interactions with seafloor topography, specifically channelized surfaces. Turbidity currents are responsible for ...

Straub, Kyle M

2007-01-01T23:59:59.000Z

430

Fuel Cells - Current Technology | Department of Energy  

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

Fuel Cells - Current Technology Fuel Cells - Current Technology Today, fuel cells are being developed to power passenger vehicles, commercial buildings, homes, and even small...

431

Hydrogen Production - Current Technology | Department of Energy  

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

Current Technology Hydrogen Production - Current Technology The development of clean, sustainable, and cost-competitive hydrogen production processes is key to a viable future...

432

ARM - Lesson Plans: Current Weather  

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:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc Documentation RUC : XDCResearch Related InformationAcid Rain Outreach Home RoomClimate inCurrent

433

PNNL: News Center - Currents Newsletter  

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:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 - September 2006 TheSteven Ashby Dr. Steven Ashby Photo Dr.1999alt= Currents

434

Current Students | The Ames Laboratory  

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:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc DocumentationP-Series to UserProduct: Crude OilPublic Safety and100Current Students Four

435

Current Toolbox Models: MACCS2  

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:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "of EnergyEnergy Cooperation |South42.2Consolidated Edison UraniumCredit-BasedSafety, Codes,Current

436

Current | OpenEI Community  

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 on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Office of InspectorConcentrating Solar Power Basics (The following text isRica NRELPower Comm Jump to:CuivreCurrent

437

Current Jobs | Argonne National Laboratory  

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:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: Vegetation Proposed Newcatalyst phases onOrganization FY 2012 FY 2013 FY 2014| Princeton PlasmaCurrentJob

438

Currents, Berkeley Lab's Biweekly Newspaper  

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:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: Vegetation Proposed Newcatalyst phases onOrganization FY 2012 FY 2013 FY 2014|Current

439

Direct/Indirect Costs - DOE Directives, Delegations, and Requirements  

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

(CCMD) and describes various estimating techniques for direct and indirect costs. g4301-1chp7.pdf -- PDF Document, 41 KB Writer: John Makepeace Subjects: ID: DOE G 430.1-1 Chp 7...

440

System and method for generating current by selective electron heating  

DOE Patents [OSTI]

A system for the generation of toroidal current in a plasma which is prepared in a toroidal magnetic field. The system utilizes the injection of high-frequency waves into the plasma by means of waveguides. The wave frequency and polarization are chosen such that when the waveguides are tilted in a predetermined fashion, the wave energy is absorbed preferentially by electrons traveling in one toroidal direction. The absorption of energy in this manner produces a toroidal electric current even when the injected waves themselves do not have substantial toroidal momentum. This current can be continuously maintained at modest cost in power and may be used to confine the plasma. The system can operate efficiently on fusion grade tokamak plasmas.

Fisch, Nathaniel J. (Princeton, NJ); Boozer, Allen H. (Rocky Hill, NJ)

1984-01-01T23:59:59.000Z

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


441

High Critical Current Coated Conductors  

SciTech Connect (OSTI)

One of the important critical needs that came out of the DOE’s coated conductor workshop was to develop a high throughput and economic deposition process for YBCO. Metal-organic chemical vapor deposition (MOCVD) technique, the most critical steps in high technical micro fabrications, has been widely employed in semiconductor industry for various thin film growth. SuperPower has demonstrated that (Y,Gd)BCO films can be deposited rapid with world record performance. In addition to high critical current density with increased film thickness, flux pinning properties of REBCO films needs to be improved to meet the DOE requirements for various electric-power equipments. We have shown that doping with Zr can result in BZO nanocolumns, but at substantially reduced deposition rate. The primary purpose of this subtask is to develop high current density MOCVD-REBCO coated conductors based on the ion-beam assisted (IBAD)-MgO deposition process. Another purpose of this subtask is to investigate HTS conductor design optimization (maximize Je) with emphasis on stability and protection issues, and ac loss for REBCO coated conductors.

Paranthaman, M. P.; Selvamanickam, V. (SuperPower, Inc.)

2011-12-27T23:59:59.000Z

442

Directions - HPMC Occupational Health Services  

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:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: Vegetation Proposed Newcatalyst phasesDataTranslocation of ShewanellausingDirect-WriteDirectedDirections

443

Experimental Control of Transport and Current Reversals in a Deterministic Optical Rocking Ratchet  

E-Print Network [OSTI]

We present an experimental demonstration of a deterministic optical rocking ratchet. A periodic and asymmetric light pattern is created to interact with dielectric microparticles in water, giving rise to a ratchet potential. The sample is moved with respect to the pattern with an unbiased time-periodic rocking function, which tilts the potential in alternating opposite directions. We obtain a current of particles whose direction can be controlled in real time and show that particles of different sizes may experience opposite currents. Moreover, we observed current reversals as a function of the magnitude and period of the rocking force.

Alejandro V. Arzola; Karen Volke-Sepúlveda; José L. Mateos

2011-04-27T23:59:59.000Z

444

Laboratory Directed Research and Development  

Broader source: Directives, Delegations, and Requirements [Office of Management (MA)]

To establish the Department's, including the NNSA's, requirements for laboratory-directed research and development (LDRD) while providing the laboratory director broad flexibility for program implementation. Cancels DOE O 413.2. Canceled by DOE O 413.2B.

2001-01-08T23:59:59.000Z

445

Laboratory Directed Research and Development  

Broader source: Directives, Delegations, and Requirements [Office of Management (MA)]

The Order establishes DOE requirements and responsibilities for laboratory directed research and development while providing laboratory directors with broad flexibility for program implementation. Cancels DOE O 413.2A. Admin Chg 1, 1-31-11.

2006-04-19T23:59:59.000Z

446

Nonlocal Condensates and Current-Current Correlators within the Instanton Liquid Model  

E-Print Network [OSTI]

The quark and gluon nonlocal condensates and current-current correlators are discussed within the instanton liquid model.

A. E. Dorokhov

2006-01-14T23:59:59.000Z

447

Oscillations with Co and Cu thickness of the current-perpendicular-to-plane giant magnetoresistance of a Co/Cu/Co,,001... trilayer  

E-Print Network [OSTI]

located at the ferromagnet/spacer inter- faces interfacial roughness . However, a fully quantitative current-in-plane geom- etry, the dimensions of the sample in the direction of the current are always

Umerski, Andrey

448

Directions  

E-Print Network [OSTI]

Apr 13, 2013 ... Another Option is to fly to Chicago O'Hare International Airport (ORD), and then either rent a car and drive (about 2 to 2.5 hours) to Purdue, ...

449

Intrusive gravity currents in two-layer  

E-Print Network [OSTI]

Intrusive gravity currents in two-layer stratified media Morris R. Flynn & Paul F. Linden Dept to as a gravity current · In contrast to waves, gravity currents transport significant mass (e.g. fluid parcels, sediment, insects, etc.) Introduction Gravity currents in the environment www

Flynn, Morris R.

450

DOE Directives | Department of Energy  

Energy Savers [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 on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious RankCombustion |Energy UsageAUDITVehicles » AlternativeUp HomeHorseDOE Directives DOE Directives DOE

451

Advanced Particulate Filter Technologies for Direct Injection...  

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

Particulate Filter Technologies for Direct Injection Gasoline Engine Applications Advanced Particulate Filter Technologies for Direct Injection Gasoline Engine Applications...

452

Gaseous Hydrogen Delivery Breakout - Strategic Directions for...  

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

Gaseous Hydrogen Delivery Breakout - Strategic Directions for Hydrogen Delivery Workshop Gaseous Hydrogen Delivery Breakout - Strategic Directions for Hydrogen Delivery Workshop...

453

Direct laser acceleration of electrons in free-space  

E-Print Network [OSTI]

Compact laser-driven accelerators are versatile and powerful tools of unarguable relevance on societal grounds for the diverse purposes of science, health, security, and technology because they bring enormous practicality to state-of-the-art achievements of conventional radio-frequency accelerators. Current benchmarking laser-based technologies rely on a medium to assist the light-matter interaction, which impose material limitations or strongly inhomogeneous fields. The advent of few cycle ultra-intense radially polarized lasers has materialized an extensively studied novel accelerator that adopts the simplest form of laser acceleration and is unique in requiring no medium to achieve strong longitudinal energy transfer directly from laser to particle. Here we present the first observation of direct longitudinal laser acceleration of non-relativistic electrons that undergo highly-directional multi-GeV/m accelerating gradients. This demonstration opens a new frontier for direct laser-driven particle accelerati...

Carbajo, Sergio; Wong, Liang Jie; Miller, R J Dwayne; Kärtner, Franz X

2015-01-01T23:59:59.000Z

454

Rotating concave eddy current probe  

SciTech Connect (OSTI)

A rotating concave eddy current probe for detecting fatigue cracks hidden from view underneath the head of a raised head fastener, such as a buttonhead-type rivet, used to join together structural skins, such as aluminum aircraft skins. The probe has a recessed concave dimple in its bottom surface that closely conforms to the shape of the raised head. The concave dimple holds the probe in good alignment on top of the rivet while the probe is rotated around the rivet's centerline. One or more magnetic coils are rigidly embedded within the probe's cylindrical body, which is made of a non-conducting material. This design overcomes the inspection impediment associated with widely varying conductivity in fastened joints.

Roach, Dennis P. (Albuquerque, NM); Walkington, Phil (Albuquerque, NM); Rackow, Kirk A. (Albuquerque, NM); Hohman, Ed (Albuquerque, NM)

2008-04-01T23:59:59.000Z

455

First direct observation of muon antineutrino disappearance  

DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

This letter reports the first direct observation of muon antineutrino disappearance. The MINOS experiment has taken data with an accelerator beam optimized for ??? production, accumulating an exposure of 1.71 x 1020 protons on target. In the Far Detector, 97 charged current ??? events are observed. The no-oscillation hypothesis predicts 156 events and is excluded at 6.3?. The best fit to oscillation yields |?m?2| = (3.36-0.40 +0.46(stat.) ± 0.06(syst.)) x 10-3 eV2, sin2(2 ??) = 0.86-0.12+0.11 (stat.) ± 0.01(syst.). The MINOS ?? and ??? measurements are consistent at the 2.0% confidence level, assuming identical underlying oscillation parameters.

Adamson, P [Fermilab; Andreopoulos, C [Rutherford; Auty, D J [Sussex U.; Ayres, D S [Argonne; Backhouse, C [Oxford U.; Barr, G [Oxford U.; Bishai, M [Brookhaven; Blake, A [Cambridge U.; Bock, G J [Fermilab; Boehnlein, D J [/Fermilab; Bogert, D [Fermilab; Harvard U., Phys. Dept.

2011-07-05T23:59:59.000Z

456

E-Print Network 3.0 - anodal transcranial direct Sample Search...  

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

111:796806, 2009 796 J Neurosurg Volume 111 October 2009 Summary: of rTMS over the Trains of transcranial direct current stimulation antagonize motor cortex... of anodal tran-...

457

Directives Due for Review FY 2015 - DOE Directives, Delegations, and  

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:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc DocumentationP-Series to UserProduct: CrudeOfficeNERSCDiesel pricesDirectionsDirectives Due

458

Current work in energy analysis  

SciTech Connect (OSTI)

This report describes the work performed at Berkeley Lab most recently. One of the Labs accomplishments is the publication of Scenarios of US Carbon Reductions, an analysis of the potential of energy technologies to reduce carbon emissions in the US. This analysis is described and played a key role in shaping the US position on climate change in the Kyoto Protocol negotiations. The Labs participation in the fundamental characterization of the climate change issue by the IPCC is described. Described also is a study of leaking electricity, which is stimulating an international campaign for a one-watt ceiling for standby electricity losses from appliances. This ceiling has the potential to save two-thirds of the 5% of US residential electricity currently expended on standby losses. The 54 vignettes contained in the report summarize results of research activities ranging in scale from calculating the efficacy of individual lamp ballasts to estimating the cost-effectiveness of the national Energy Star{reg_sign} labeling program, and ranging in location from a scoping study of energy-efficiency market transformation in California to development of an energy-efficiency project in the auto parts industry in Shandong Province, China.

NONE

1998-03-01T23:59:59.000Z

459

Modeling of current characteristics of segmented Langmuir probe on DEMETER  

SciTech Connect (OSTI)

We model the current characteristics of the DEMETER Segmented Langmuir probe (SLP). The probe is used to measure electron density and temperature in the ionosphere at an altitude of approximately 700 km. It is also used to measure the plasma flow velocity in the satellite frame of reference. The probe is partitioned into seven collectors: six electrically insulated spherical segments and a guard electrode (the rest of the sphere and the small post). Comparisons are made between the predictions of the model and DEMETER measurements for actual ionospheric plasma conditions encountered along the satellite orbit. Segment characteristics are computed numerically with PTetra, a three-dimensional particle in cell simulation code. In PTetra, space is discretized with an unstructured tetrahedral mesh, thus, enabling a good representation of the probe geometry. The model also accounts for several physical effects of importance in the interaction of spacecraft with the space environment. These include satellite charging, photoelectron, and secondary electron emissions. The model is electrostatic, but it accounts for the presence of a uniform background magnetic field. PTetra simulation results show different characteristics for the different probe segments. The current collected by each segment depends on its orientation with respect to the ram direction, the plasma composition, the magnitude, and the orientation of the magnetic field. It is observed that the presence of light H{sup +} ions leads to a significant increase in the ion current branch of the I-V curves of the negatively polarized SLP. The effect of the magnetic field is demonstrated by varying its magnitude and direction with respect to the reference magnetic field. It is found that the magnetic field appreciably affects the electron current branch of the I-V curves of certain segments on the SLP, whereas the ion current branch remains almost unaffected. PTetra simulations are validated by comparing the computed characteristics and their angular anisotropy with the DEMETER measurements, as simulation results are found to be in good agreement with the measurements.

Imtiaz, Nadia; Marchand, Richard [Department of Physics, University of Alberta, Edmonton, Alberta T6G 2E1 (Canada)] [Department of Physics, University of Alberta, Edmonton, Alberta T6G 2E1 (Canada); Lebreton, Jean-Pierre [Laboratoire de Physique et Chimie de l'Environnement et de l'Espace (LPC2E), CNRS-Université d'Orléans, Orléans Cedex (France)] [Laboratoire de Physique et Chimie de l'Environnement et de l'Espace (LPC2E), CNRS-Université d'Orléans, Orléans Cedex (France)

2013-05-15T23:59:59.000Z

460

Wave–current interaction in the presence of a three-dimensional bathymetry: Deep water wave focusing in opposing current conditions  

SciTech Connect (OSTI)

Large scale experiments were carried out in the Ocean Engineering Basin FIRST, France. A tri-dimensional bathymetry consisting of two symmetrical submerged mounds was displayed on the flat bed on both sides of the basin. Regular waves of frequency corresponding to deep water conditions above the bathymetry were generated in opposing current conditions. A strong tri-dimensional behaviour is observed for the wave amplitude, leading to a strong focusing (up to twice the incident amplitude) of the wave energy towards the central deeper zone. This amplification cannot be ascribed to the increase of the current intensity in the main wave direction, nor to a current gradient normally to the wave direction. A wave phase gradient, normal to its main direction, is observed up-wave (or downstream) the mounds. This phase lag depends on the wave amplitude, it is the higher for the moderate amplitude case. The experimental data are compared with calculations of a refraction-diffraction model assuming a depth-averaged current. If the model qualitatively predicts the wave amplification in the centerline of the basin, discrepancies are observed in the vicinity of the depth changes. The observed mean current vertical profile shape is then supposed to play a significant role in the wave focusing, especially near the steep slopes down-stream the mounds. In addition, the waves are found to modify substantially both horizontal and vertical current fields.

Rey, V., E-mail: rey@univ-tln.fr; Charland, J., E-mail: jenna.charland@univ-tln.fr; Touboul, J., E-mail: julien.touboul@univ-tln.fr [Université de Toulon, CNRS/INSU, IRD, Mediterranean Institute of Oceanography (MIO), UM 110, F-83957 La Garde (France); Aix Marseille Université, CNRS/INSU, IRD, Mediterranean Institute of Oceanography (MIO), UM 110, 13288 Marseille, Cedex (France)

2014-09-15T23:59:59.000Z

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


461

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, VOL. 51, NO. 5, MAY 2003 1 Integrated Antenna With Direct Conversion Circuitry  

E-Print Network [OSTI]

Integrated Antenna With Direct Conversion Circuitry for Broad-Band Millimeter-Wave Communications Ji, and Tatsuo Itoh, Life Fellow, IEEE Abstract--A compact integrated antenna with direct quadra- ture conversion-wave circuit, direct quadrature conversion, integrated patch antenna. I. INTRODUCTION CURRENTLY, many

Itoh, Tatsuo

462

Direct estimation of decoherence rates  

E-Print Network [OSTI]

The decoherence rate is a nonlinear channel parameter that describes quantitatively the decay of the off-diagonal elements of a density operator in the decoherence basis. We address the question of how to experimentally access such a nonlinear parameter directly without the need of complete process tomography. In particular, we design a simple experiment working with two copies of the channel, in which the registered mean value of a two-valued measurement directly determines the value of the average decoherence rate. No prior knowledge of the decoherence basis is required.

Vladimír Bužek; Peter Rapcan; Jochen Rau; Mario Ziman

2012-07-30T23:59:59.000Z

463

The AISI direct steelmaking program  

SciTech Connect (OSTI)

After six months of operation of the pilot plant, the viability of in-bath smelting combined with a high level of post combustion has been demonstrated, and the opportunity exists for an early commercialization of the direct ironmaking part of the process while we continue to research direct steelmaking. The program should be of equal interest to integrated and electric furnace producers. Smelting of ore provides virgin iron units. Additionally, the process has the flexibility of melting scrap and varying the ore-to-scrap ratio over wide ranges. This process does not require coke, thus eliminating the cokemaking operation, a major source of environmental concern.

Aukrust, E. (LTV Steel Co., Inc., Cleveland, OH (United States)); Downing, K.B. (Inland Steel Flat Products Co. (United States))

1991-01-01T23:59:59.000Z

464

Directions to Wilson Hall, Fermilab  

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:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc DocumentationP-Series to UserProduct: CrudeOfficeNERSCDiesel pricesDirections &Directions

465

OMEGA ICF experiments and preparation for direct drive ignition on NIF  

E-Print Network [OSTI]

-DT' design: a spherical target of Current address: Lawrence Livermore National Laboratory, Livermore, CAOMEGA ICF experiments and preparation for direct drive ignition on NIF R.L. McCrorya , R.E. Bahra) is investigating various theoretical aspects of a direct drive National Ignition Facility (NIF) ignition target

466

Microstructured anti-reflection surface design for the omni-directional solar cells  

E-Print Network [OSTI]

Microstructured anti-reflection surface design for the omni-directional solar cells Li Chen for the formation of hemispherical structures as an omni-directional anti-reflection (omni-AR) coating in solar cell current in such hemispherical solar cells hence enhanced to 1.5 times of bulk silicon solar cells

Zhou, Weidong

467

HIGH STABILITY CURRENT SUPPLY FOR ELECTRON MICROSCOPY  

E-Print Network [OSTI]

the current regulator. The power losses through the powerFETs are (31): Power Loss = I drain V ds The drain current (by design to lower the power loss is the drain to source

Motamedi, Maryam Melani

2012-01-01T23:59:59.000Z

468

Current DOE and OSHA VPP Sites  

Broader source: Energy.gov [DOE]

Need to know which sites are current DOE-VPP or OSHA VPP Sites? The link, below, will take you to a Voluntary Protection Programs Participant's Association web page where you may search for current...

469

Current ramp-up with lower hybrid current drive in EAST B. J. Ding,1  

E-Print Network [OSTI]

Current ramp-up with lower hybrid current drive in EAST B. J. Ding,1 M. H. Li,1 N. J. Fisch,2 H hybrid current drive. The first stage of cyclic operation would be to ramp up the plasma current with lower hybrid waves alone in low-density plasma. Such a current ramp-up was carried out successfully

470

Bulk Hydrogen Strategic Directions for  

E-Print Network [OSTI]

Bulk Hydrogen Storage Strategic Directions for Hydrogen Delivery Workshop May 7-8, 2003 Crystal City, Virginia #12;Breakout Session - Bulk Hydrogen Storage Main Themes/Caveats Bulk Storage = Anything storage is an economic solution to address supply/demand imbalance #12;Breakout Session - Bulk Hydrogen

471

Direct from CDC Environmental Health  

E-Print Network [OSTI]

environmental health services (i.e., services involving water quality, air quality, waste management, or vector management plans of water supply systems. The team also works on sustainability evalu ation and sanitationDirect from CDC Environmental Health Services Branch Editor's note: NEHA strives to provide up

472

Future Directions for Magnetic Sensors  

E-Print Network [OSTI]

and Engineering Laboratory Magnetic tunnel junction (MTJ) sensors are rapidly becoming the technology of choiceFuture Directions for Magnetic Sensors: HYBRIDMATERIALS Our goal is to develop the scientific expertise needed to allow modeling and simulation to become the driving force in improving magnetic sensors

473

Laboratory Directed Research and Development  

Broader source: Directives, Delegations, and Requirements [Office of Management (MA)]

The order establishes DOE requirements for laboratory directed research and development (LDRD) while providing the laboratory director broad flexibility for program implementation. Cancels DOE O 413.3A. Admin Chg 1, dated 1-31-11, cancels DOE O 413.3B. Certified 7-14-2011.

2006-04-19T23:59:59.000Z

474

Direct Hamiltonization for Nambu Systems  

E-Print Network [OSTI]

The direct hamiltonization procedure applied to Nambu mechanical systems proves that the Nambu mechanics is an usual mechanics described by only one Hamiltonian. Thus a particular case of Hamiltonian mechanics. It is also proved that any mechanical system described by the equation d{\\bf r}/dt={\\bf A(r)} is a Nambu system.

Maria Lewtchuk Espindola

2008-10-13T23:59:59.000Z

475

Energy Current Correlations For Weakly Anharmonic Lattices  

E-Print Network [OSTI]

We discuss energy current correlations in thermal equilibrium and point out the linkage to the fluctuating Peierls equation.

Herbert Spohn

2007-06-06T23:59:59.000Z

476

High temperature superconducting fault current limiter  

DOE Patents [OSTI]

A fault current limiter for an electrical circuit is disclosed. The fault current limiter includes a high temperature superconductor in the electrical circuit. The high temperature superconductor is cooled below its critical temperature to maintain the superconducting electrical properties during operation as the fault current limiter. 15 figs.

Hull, J.R.

1997-02-04T23:59:59.000Z

477

Waves on unsteady currents Merrick C. Haller  

E-Print Network [OSTI]

Waves on unsteady currents Merrick C. Haller School of Civil and Construction Engineering, Oregon 2007; published online 3 December 2007 Models for surface gravity wave propagation in the presence of currents often assume the current field to be quasi-stationary, which implies that the absolute wave

Haller, Merrick

478

Aquantis Ocean Current Turbine Development Project Report  

SciTech Connect (OSTI)

The Aquantis® Current Plane (“C-Plane”) technology developed by Dehlsen Associates, LLC (DA) and Aquantis, Inc. is an ocean current turbine designed to extract kinetic energy from ocean currents. The technology is capable of achieving competitively priced base-load, continuous, and reliable power generation from a source of renewable energy not before possible in this scale or form.

Fleming, Alex J.

2014-08-23T23:59:59.000Z

479

Future directions and emerging techniques for ISOL systems  

SciTech Connect (OSTI)

The current status and future promise of ISOL systems are discussed, with emphasis on newly conceived experimental capabilities and interests. In addition to studies of nuclear structure using traditional or new on-line approaches, such as on-line nuclear orientation, the possibilities for studies with accelerated radioactive beams that have direct application to basic problems in materials science and astrophysics as well as to nuclear theory are pointed out. 43 refs., 3 figs., 1 tab.

Talbert, W.L. Jr.; Bunker, M.E.

1986-01-01T23:59:59.000Z

480

Gif Lectures on direct detection of Dark Matter  

E-Print Network [OSTI]

These notes cover some of the topics associated with direct detection of dark matter at an introductory level. The general principles of dark matter search are summarized. The current status of some experiments is described, with an emphasis on bolometric and noble liquid techniques. Plots and illustrations associated to these notes may be found on transparencies presented during the lecture, on the web site of Gif school 2009.

Eric Armengaud

2010-03-11T23:59:59.000Z

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


481

Submerged electricity generation plane with marine current-driven motors  

DOE Patents [OSTI]

An underwater apparatus for generating electric power from ocean currents and deep water tides. A submersible platform including two or more power pods, each having a rotor with fixed-pitch blades, with drivetrains housed in pressure vessels that are connected by a transverse structure providing buoyancy, which can be a wing depressor, hydrofoil, truss, or faired tube. The platform is connected to anchors on the seafloor by forward mooring lines and a vertical mooring line that restricts the depth of the device in the water column. The platform operates using passive, rather than active, depth control. The wing depressor, along with rotor drag loads, ensures the platform seeks the desired operational current velocity. The rotors are directly coupled to a hydraulic pump that drives at least one constant-speed hydraulic-motor generator set and enables hydraulic braking. A fluidic bearing decouples non-torque rotor loads to the main shaft driving the hydraulic pumps.

Dehlsen, James G.P.; Dehlsen, James B.; Fleming, Alexander

2014-07-01T23:59:59.000Z

482

OM300 Direction Drilling Module  

SciTech Connect (OSTI)

OM300 – Geothermal Direction Drilling Navigation Tool: Design and produce a prototype directional drilling navigation tool capable of high temperature operation in geothermal drilling Accuracies of 0.1° Inclination and Tool Face, 0.5° Azimuth Environmental Ruggedness typical of existing oil/gas drilling Multiple Selectable Sensor Ranges High accuracy for navigation, low bandwidth High G-range & bandwidth for Stick-Slip and Chirp detection Selectable serial data communications Reduce cost of drilling in high temperature Geothermal reservoirs Innovative aspects of project Honeywell MEMS* Vibrating Beam Accelerometers (VBA) APS Flux-gate Magnetometers Honeywell Silicon-On-Insulator (SOI) High-temperature electronics Rugged High-temperature capable package and assembly process

MacGugan, Doug

2013-08-22T23:59:59.000Z

483

Ultra-wideband directional sampler  

DOE Patents [OSTI]

The Ultra-Wideband (UWB) Directional Sampler is a four port device that combines the function of a directional coupler with a high speed sampler. Two of the four ports operate at a high sub-nanosecond speed, in "real time", and the other two ports operate at a slow millisecond-speed, in "equivalent time". A signal flowing inbound to either of the high speed ports is sampled and coupled, in equivalent time, to the adjacent equivalent time port while being isolated from the opposite equivalent time port. A primary application is for a time domain reflectometry (TDR) situation where the reflected pulse returns while the outbound pulse is still being transmitted, such as when the reflecting discontinuity is very close to the TDR apparatus.

McEwan, Thomas E. (Livermore, CA)

1996-01-01T23:59:59.000Z

484

Ultra-wideband directional sampler  

DOE Patents [OSTI]

The Ultra-Wideband (UWB) Directional Sampler is a four port device that combines the function of a directional coupler with a high speed sampler. Two of the four ports operate at a high sub-nanosecond speed, in ``real time``, and the other two ports operate at a slow millisecond-speed, in ``equivalent time``. A signal flowing inbound to either of the high speed ports is sampled and coupled, in equivalent time, to the adjacent equivalent time port while being isolated from the opposite equivalent time port. A primary application is for a time domain reflectometry (TDR) situation where the reflected pulse returns while the outbound pulse is still being transmitted, such as when the reflecting discontinuity is very close to the TDR apparatus. 3 figs.

McEwan, T.E.

1996-05-14T23:59:59.000Z

485

Liquid Hydrogen Delivery - Strategic Directions for Hydrogen...  

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

Liquid Hydrogen Delivery - Strategic Directions for Hydrogen Delivery Workshop Liquid Hydrogen Delivery - Strategic Directions for Hydrogen Delivery Workshop Targets, barriers and...

486

Directly correlated transmission electron microscopy and atom...  

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

Directly correlated transmission electron microscopy and atom probe tomography of grain boundary oxidation in a Ni-Al binary Directly correlated transmission electron microscopy...

487

Wellbore inertial directional surveying system  

DOE Patents [OSTI]

A wellbore inertial directional surveying system for providing a complete directional survey of an oil or gas well borehole to determine the displacement in all three directions of the borehole path relative to the well head at the surface. The information generated by the present invention is especially useful when numerous wells are drilled to different geographical targets from a single offshore platform. Accurate knowledge of the path of the borehole allows proper well spacing and provides assurance that target formations are reached. The tool is lowered down into a borehole on an electrical cable. A computer positioned on the surface communicates with the tool via the cable. The tool contains a sensor block which is supported on a single gimbal, the rotation axis of which is aligned with the cylinder axis of the tool and, correspondingly, the borehole. The gyroscope measurement of the sensor block rotation is used in a null-seeking servo loop which essentially prevents rotation of the sensor block about the gimbal axis. Angular rates of the sensor block about axes which are perpendicular to te gimbal axis are measured by gyroscopes in a manner similar to a strapped-down arrangement. Three accelerometers provide acceleration information as the tool is lowered within the borehole. The uphole computer derives position information based upon acceleration information and angular rate information. Kalman estimation techniques are used to compensate for system errors. 25 figures.

Andreas, R.D.; Heck, G.M.; Kohler, S.M.; Watts, A.C.

1982-09-08T23:59:59.000Z

488

Wellbore inertial directional surveying system  

DOE Patents [OSTI]

A wellbore inertial directional surveying system for providing a complete directional survey of an oil or gas well borehole to determine the displacement in all three directions of the borehole path relative to the well head at the surface. The information generated by the present invention is especially useful when numerous wells are drilled to different geographical targets from a single off-shore platform. Accurate knowledge of the path of the borehole allows proper well spacing and provides assurance that target formations are reached. The tool is lowered down into a borehole on the electrical cable. A computer positioned on the surface communicates with the tool via the cable. The tool contains a sensor block which is supported on a single gimbal, the rotation axis of which is aligned with the cylinder axis of the tool and, correspondingly, the borehole. The gyroscope measurement of the sensor block rotation is used in a null-seeking servo loop which essentially prevents rotation of the sensor block aboutthe gimbal axis. Angular rates of the sensor block about axes which are perpendicular to the gimbal axis are measured by gyroscopes in a manner similar to a strapped-down arrangement. Three accelerometers provide acceleration information as the tool is lowered within the borehole. The uphole computer derives position information based upon acceleration information and anular rate information. Kalman estimation techniques are used to compensate for system errors.

Andreas, Ronald D. (Albuquerque, NM); Heck, G. Michael (Albuquerque, NM); Kohler, Stewart M. (Albuquerque, NM); Watts, Alfred C. (Albuquerque, NM)

1991-01-01T23:59:59.000Z

489

Generation of the longitudinal current by the transversal electromagnetic field in classical and quantum plasmas  

E-Print Network [OSTI]

From Vlasov kinetic equation for collisionless plasmas distribution function in square-law approximation on size of electromagnetic field is received. Formulas for calculation electric current at any temperature (any degree of degeneration of electronic gas) are deduced. The case of small values of the wave numbers is considered. It is shown, that the nonlinearity account leads to occurrence the longitudinal electric current directed along a wave vector. This longitudinal current orthogonal to known transversal classical current, received at the linear analysis. From the kinetic equation with Wigner integral for collisionless quantum plasma distribution function is received in square-law on vector potential approximation. Formulas for calculation electric current at any temperature are deduced. The case of small values of wave number is considered. It is shown, that size of a longitudinal current at small values of wave number and for classical plasma and for quantum plasma coincide. Graphic comparison of dim...

Latyshev, A V

2015-01-01T23:59:59.000Z

490

Two-dimensional relativistic space charge limited current flow in the drift space  

SciTech Connect (OSTI)

Relativistic two-dimensional (2D) electrostatic (ES) formulations have been derived for studying the steady-state space charge limited (SCL) current flow of a finite width W in a drift space with a gap distance D. The theoretical analyses show that the 2D SCL current density in terms of the 1D SCL current density monotonically increases with D/W, and the theory recovers the 1D classical Child-Langmuir law in the drift space under the approximation of uniform charge density in the transverse direction. A 2D static model has also been constructed to study the dynamical behaviors of the current flow with current density exceeding the SCL current density, and the static theory for evaluating the transmitted current fraction and minimum potential position have been verified by using 2D ES particle-in-cell simulation. The results show the 2D SCL current density is mainly determined by the geometrical effects, but the dynamical behaviors of the current flow are mainly determined by the relativistic effect at the current density exceeding the SCL current density.

Liu, Y. L.; Chen, S. H., E-mail: chensh@ncu.edu.tw [Department of Physics, National Central University, Jhongli 32001, Taiwan (China); Koh, W. S. [A-STAR Institute of High Performance Computing, Singapore 138632 (Singapore)] [A-STAR Institute of High Performance Computing, Singapore 138632 (Singapore); Ang, L. K. [Engineering Product Development, Singapore University of Technology and Design, Singapore 138682 (Singapore)] [Engineering Product Development, Singapore University of Technology and Design, Singapore 138682 (Singapore)

2014-04-15T23:59:59.000Z

491

Automated measurement system employing eddy currents to adjust probe position and determine metal hardness  

DOE Patents [OSTI]

A system for measuring the hardness of cartridge cases employs an eddy current probe for inducing and sensing eddy currents in each cartridge case. A first component of the sensed signal is utilized in a closed loop system for accurately positioning the probe relative to the cartridge case both in the lift off direction and in the tangential direction, and a second component of the sensed signal is employed as a measure of the hardness. The positioning and measurement are carried out under closed loop microprocessor control facilitating hardness testing on a production line basis. 14 figs.

Prince, J.M.; Dodson, M.G.; Lechelt, W.M.

1989-07-18T23:59:59.000Z

492

Gravity Control produced by a Thermoionic Current through the Air at Very Low Pressure  

E-Print Network [OSTI]

It was observed that samples hung above a thermoionic current exhibit a weight decrease directly proportional to the intensity of the current. The observed phenomenon appears to be absolutely new and unprecedented in the literature and can not be understood in the framework of the general relativity. It is pointed out the possibility that this unexpected effect is connected with a possible correlation between gravity and electromagnetism.

Fran De Aquino

2006-10-23T23:59:59.000Z

493

Electromagnetic Perturbations in the Reconnecting Current Sheet in MRX  

SciTech Connect (OSTI)

Magnetic reconnection is a fundamental plasma process in which magnetic field lines break and reconnect, converting magnetic field energy into particle kinetic energy. Electromagnetic fluctuations, which may play a role in fast reconnection, are studied from both an experimental and theoretical standpoint. The waves, which are in the lower hybrid range of frequencies, may be produced by a plasma instability known as the oblique lower hybrid drift instability. When the electron drift velocity is large, the theory predicts coupling between whistler and acoustic waves in the ion frame that may lead to an instability in the vicinity of the current sheet. On the experimental side, an antenna placed in the Magnetic Reconnection Experiment (MRX) at the Princeton Plasma Physics Laboratory is used to apply perturbations, and their propagation characteristics are measured. Results from a 2mm diameter antenna indicate that any induced fluctuations are confined to the current sheet and are preferentially excited in the direction of electron flow within the layer. Preliminary data from a 2cm diameter antenna shows a wave propagating in the electron flow direction at the local electron drift velocity. Thus electron drift appears to play a crucial role in the appearance of fluctuations.

Dorfman, Seth; Ji, Hantao; Yamada, MasAki; Ren Yang; Gerhardt, Stefan; Kulsrud, Russell; McGeehan, Brendan; Wang Yansong [Princeton Plasma Physics Laboratory, Princeton NJ 08540 (United States)

2006-11-30T23:59:59.000Z

494

Current trends in the Advanced Bioindustry  

Broader source: Energy.gov [DOE]

Afternoon Plenary Session: Current Trends in the Advanced Bioindustry State of Technology—Michael McAdams, President, Advanced Biofuels Association

495

Tubular solid oxide fuel cell current collector  

DOE Patents [OSTI]

An internal current collector for use inside a tubular solid oxide fuel cell (TSOFC) electrode comprises a tubular coil spring disposed concentrically within a TSOFC electrode and in firm uniform tangential electrical contact with the electrode inner surface. The current collector maximizes the contact area between the current collector and the electrode. The current collector is made of a metal that is electrically conductive and able to survive under the operational conditions of the fuel cell, i.e., the cathode in air, and the anode in fuel such as hydrogen, CO, CO.sub.2, H.sub.2O or H.sub.2S.

Bischoff, Brian L. (Knoxville, TN); Sutton, Theodore G. (Kingston, TN); Armstrong, Timothy R. (Clinton, TN)

2010-07-20T23:59:59.000Z

496

Additional Guidance Regarding Application of Current Procedures...  

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

Additional Guidance Regarding Application of Current Procedures for Testing Energy Consumption of Clothes Washers with Warm Rinse Cycles, Issued: June 30, 2010. Draft of DOE...

497

Current Status of Concentrator Photovoltaic (CPV) Technology  

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

(CPV) technology has recently entered the market as a utility- scale option for the generation of solar electricity. This report explores the current status of CPV technology...

498

Direct application of geothermal energy  

SciTech Connect (OSTI)

An overall treatment of direct geothermal applications is presented with an emphasis on the above-ground engineering. The types of geothermal resources and their general extent in the US are described. The potential market that may be served with geothermal energy is considered briefly. The evaluation considerations, special design aspects, and application approaches for geothermal energy use in each of the applications are considered. The present applications in the US are summarized and a bibliography of recent studies and applications is provided. (MHR)

Reistad, G.M.

1980-01-01T23:59:59.000Z

499

DOE Directives, Delegations, and Requirements  

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:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc DocumentationP-Series to UserProduct: Crude OilPublicDNA GridironDNA-DirectedMediaDOEDOEViews

500

DOE Directives, Delegations, and Requirements  

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:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc DocumentationP-Series to UserProduct: Crude OilPublicDNA GridironDNA-DirectedMediaDOEDOEViewsJim