Please use this identifier to cite or link to this item: https://doi.org/10.1109/ECCE.2009.5316540
Title: Wide range ZVS active-clamped L-L type current-fed DC-DC converter for fuel cells to utility interface: Analysis, design and experimental results
Authors: Rathore, A.K.
Bhat, A.K.S.
Oruganti, R. 
Keywords: Fuel cells
High-frequency isolated DC-DC converter
Utility interface
Zero-voltage switching
Issue Date: 2009
Source: Rathore, A.K.,Bhat, A.K.S.,Oruganti, R. (2009). Wide range ZVS active-clamped L-L type current-fed DC-DC converter for fuel cells to utility interface: Analysis, design and experimental results. 2009 IEEE Energy Conversion Congress and Exposition, ECCE 2009 : 1153-1160. ScholarBank@NUS Repository. https://doi.org/10.1109/ECCE.2009.5316540
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. © 2009 IEEE.
Source Title: 2009 IEEE Energy Conversion Congress and Exposition, ECCE 2009
URI: http://scholarbank.nus.edu.sg/handle/10635/72198
ISBN: 9781424428939
DOI: 10.1109/ECCE.2009.5316540
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