NDLI: Wide range ZVS active-clamped L-L type current-fed DC-DC converter for fuel cells to utility interface: Analysis, design and experimental results

Content Provider	IEEE Xplore Digital Library
Author	Rathore, A.K. Bhat, A. Oruganti, R.
Copyright Year	2009
Description	Author affiliation: Electrical and Computer Engineering, National University of Singapore, 117576, Singapore (Oruganti, R.) \|\| Electrical and Computer Engineering, University of Victoria, BC V8W 3P6, Canada (Bhat, A.) \|\| Electrical Machines and Drives Lab, University of Wuppertal, 42119, Germany (Rathore, A.K.)
Abstract	A wide range zero-voltage switching (ZVS) active-clamped L-L type current-fed isolated DC-DC converter is proposed for fuel cells to utility interface application. The proposed converter maintains ZVS of all switches from full-load down to very light load condition for wide input voltage variation. Detailed operation, analysis, design, simulation and experimental results for the proposed converter are presented. The auxiliary active clamping circuit absorbs the turn-off voltage spike and also assists in achieving ZVS of main switches. The ZVS of auxiliary and main switches is achieved by the energy stored in the boost inductors and series inductor (aided by parallel inductor), respectively. Rectifier diodes operate with zero-current switching. An experimental converter rated at 200W has been designed, built and tested in the laboratory to verify the analysis, design and performance of the proposed converter for wide variations in input voltage and load.
Starting Page	1153
Ending Page	1160
File Size	736967
Page Count	8
File Format	PDF
ISBN	9781424428939
DOI	10.1109/ECCE.2009.5316540
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-09-20
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Switching converters Utility interface Zero-voltage switching Circuit simulation DC-DC power converters Switches Zero voltage switching Clamps Inductors Switching circuits Analytical models Fuel cells High-frequency isolated DC-DC converter
Content Type	Text
Resource Type	Article

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