Analysis and design of active clamped ZVS current-fed DC-DC converter for fuel-cell to utility-interface application

Author

Rathore, A. ; Bhat, A.K.S. ; Oruganti, R.

Author_Institution

Dept. of Electr. & Comput. Eng., Victoria Univ., Victoria, BC

fYear

2007

fDate

9-11 Aug. 2007

Firstpage

503

Lastpage

508

Abstract

This paper presents the analysis and design of an active clamped zero-voltage switching (ZVS) current-fed isolated DC-DC converter for fuel cells to utility interface application. The auxiliary active clamping circuit absorbs the turn-off voltage spike and also assists in achieving ZVS of main switches. The auxiliary switches also operate under ZVS. This converter is able to maintain ZVS for wide variation in fuel cell stack voltage. Analytical, simulation and experimental results to evaluate the performance of the converter are presented.

Keywords

DC-DC power convertors; fuel cells; power transformers; zero voltage switching; active clamped zero-voltage switching; auxiliary active clamping circuit; current-fed DC-DC converter; fuel-cell to utility-interface application; Analytical models; Circuit simulation; Clamps; DC-DC power converters; Fuel cells; Performance analysis; Switches; Switching circuits; Switching converters; Zero voltage switching;

fLanguage

English

Publisher

ieee

Conference_Titel

Industrial and Information Systems, 2007. ICIIS 2007. International Conference on

Conference_Location

Penadeniya

Print_ISBN

978-1-4244-1151-1

Electronic_ISBN

978-1-4244-1152-8

Type

conf

DOI

10.1109/ICIINFS.2007.4579229

Filename

4579229