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You searched on: Author: allen hefner jr

Displaying records 11 to 20 of 144 records.
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11. Comparison of 4.5 kV SiC JBS and Si PiN Diodes for 4.5 kV Si IGBT Anti-parallel Diode Applications
Published: 3/10/2011
Authors: Tam Hoang Duong, Allen R Hefner Jr., Karl Hobart, Sei-Hyung Ryu, David Grider, David Warren Berning, Jose Miguel Ortiz, Eugene Imhoff, Jerry Sherbondy
Abstract: A new 60 A, 4.5 kV SiC JBS diode is presented and its performance is compared to Si PiN diodes used as the anti-parallel diode for 4.5 kV Si IGBTs. The current-voltage, capacitance-voltage, reverse recovery, and reverse leakage characteristics of bot ...

12. Electro-thermal-mechanical Simulation and Reliability for Plug-in Vehicle Converters and Inverters
Published: 2/24/2011
Author: Allen R Hefner Jr.

13. Status of Electric Power Research Institute / Sandia National Lab Photovoltaic-Storage Inverter Communication Project
Published: 2/9/2011
Author: Allen R Hefner Jr.

14. Coordination and Acceleration of Standards for Smart Grid - Distributed Generation
Published: 12/6/2010
Author: Allen R Hefner Jr.

15. Status of Interagency Advanced Power Group (IAPG), Electrical Systems Working Group (ESWG)
Published: 12/1/2010
Author: Allen R Hefner Jr.

16. Power Electronics and Standards for Smart Grid Integration of Generators, Storage, and Plug-in Electric Vehicles
Published: 11/23/2010
Author: Allen R Hefner Jr.

17. Smart Grid Standards, Codes and Interoperability Framework
Published: 10/27/2010
Author: Allen R Hefner Jr.

18. Smart Grid Integration of Renewables, Storage, and Plug-in Vehicles
Published: 10/6/2010
Author: Allen R Hefner Jr.

19. Modeling the Inter-Electrode Capacitances of Si CoolMOSTM Transistors for Circuit Simulation in High Efficiency Power Systems
Published: 9/12/2010
Authors: Nanying Yang, Jose Miguel Ortiz, Tam Hoang Duong, Allen R Hefner Jr., Kathleen Meehan
Abstract: The CoolMOSTM transistor is a novel power MOSFET type device that utilizes a super-junction embedded within its drift region in order to improve the trade-off between on-resistance and breakdown voltage. The super-junction results in unique inter-e ...

20. Smart Grid Standards and Power Electronics Technologies to Enable High Penetration of Renewable Energy
Published: 8/31/2010
Author: Allen R Hefner Jr.

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