77 K operation of a multi-resonant power converter

Author

Ray, Biswajit ; Gerber, Scott S. ; Patterson, Richard L. ; Myers, Ira T.

Author_Institution

NASA Lewis Res. Center, Cleveland, OH, USA

Volume

1

fYear

1995

fDate

18-22 Jun 1995

Firstpage

55

Abstract

The liquid-nitrogen temperature (77 K) operation of a 55 W, 200 kHz, 48/28 V zero-voltage switching multi-resonant DC/DC converter designed with commercially available components is reported. Upon dipping the complete converter (power and control circuits) into liquid-nitrogen, the converter performance improved as compared to the room-temperature operation. The switching frequency, resonant frequency, and the characteristic impedance did not change significantly. Accordingly, the zero-voltage switching was maintained from no-load to full-load for the specified line variations. Cryo-electronics can provide high density power converters, especially for high power applications

Keywords

cryogenic electronics; electric impedance; resonant power convertors; switching circuits; 200 kHz; 28 V; 48 V; 55 W; 77 K; control circuits; converter performance; cryo-electronics; impedance; liquid-nitrogen temperature operation; multi-resonant DC/DC converter; multi-resonant power converter; power circuits; resonant frequency; switching frequency; zero-voltage switching; Circuits; High temperature superconductors; NASA; Power electronics; Power generation; Power semiconductor switches; Power system reliability; Superconducting transition temperature; Switching converters; Zero voltage switching;

fLanguage

English

Publisher

ieee

Conference_Titel

Power Electronics Specialists Conference, 1995. PESC '95 Record., 26th Annual IEEE

Conference_Location

Atlanta, GA

Print_ISBN

0-7803-2730-6

Type

conf

DOI

10.1109/PESC.1995.474792

Filename

474792