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You searched on: Author: allen hefner jr

Displaying records 31 to 40 of 146 records.
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31. Energy Storage Priority Action Plan for Smart Grid Interoperability
Published: 12/11/2009
Author: Allen R Hefner Jr.
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=907117

32. NIST Smart Grid Interoperability Program and Distributed Energy Resource Interconnection Standards
Published: 12/10/2009
Author: Allen R Hefner Jr.
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=907116

33. Status of Interagency Power Electronics Roadmap
Published: 12/9/2009
Author: Allen R Hefner Jr.
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=907115

34. Energy Storage Distributed Energy Resource (ES-DER), Priority Action Plan
Published: 11/18/2009
Author: Allen R Hefner Jr.
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=907124

35. NIST Smart Grid Standards Roadmap
Published: 10/30/2009
Author: Allen R Hefner Jr.
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=907114

36. Electrical and Thermal Characterization, Modeling, and Reliability Assessment of Power Semiconductor Modules
Published: 10/28/2009
Author: Allen R Hefner Jr.
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=907113

37. High-Voltage Capacitance Measurement System for SiC Power MOSFETs
Published: 9/24/2009
Authors: Parrish Ralston, Tam Hoang Duong, Nanying Yang, David Warren Berning, Colleen E. Hood, Allen R Hefner Jr., Kathleen Meehan
Abstract: Adequate modeling of a power MOSFET is dependent on accurate characterization of the inter-electrode capacitances. With the advent of high voltage silicon carbide (SiC) power MOSFETs, it has become important to develop a measurement system that can ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=903137

38. Power Conditioning System Technologies for High-Megawatt Fuel Cell Plants
Published: 8/7/2008
Author: Allen R Hefner Jr.
Abstract: High-megawatt Power Conditioning Systems (PCSs) are required to convert the low-voltage produced by fuel cell modules in central station scale plants to the very much higher voltage levels required for delivery to the grid. As part of a NIST/DOE Inte ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=902439

39. Advanced Power Conditioning System Technologies for High-Megawatt Fuel Cell Power Plants
Published: 7/1/2008
Author: Allen R Hefner Jr.
Abstract: High-megawatt Power Conditioning Systems (PCSs) are required to convert the low-voltage produced by fuel cell modules in central station scale plants to the very much higher voltage levels required for delivery to the grid. As part of a NIST/DOE Inte ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=32843

40. Electro-Thermal Simulation of a 100 A, 10 kV Half-Bridge SiC MOSFET/JBS Power Module
Published: 6/13/2008
Authors: Tam Hoang Duong, Jose Miguel Ortiz, R. N Raju, Allen R Hefner Jr.
Abstract: This paper presents the results from a parametric simulation study that was conducted to optimize the performance of 100 A, 10 kV, 20 kHz half-bridge SiC MOSFET/JBS power modules. The power modules are being developed by the DARPA WBGS-HPE Phase II p ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=33006



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