Please use this identifier to cite or link to this item: https://doi.org/10.1109/TIE.2011.2146214
Title: Analysis, design and experimental results of wide range ZVS active-clamped L-L type current-fed DC/DC converter for fuel cells to utility interface
Authors: Rathore, A.K. 
Bhat, A.K.S.
Oruganti, R. 
Keywords: Fuel cells
high-frequency dc/dc converter
renewable energy systems
zero voltage switching (ZVS)
Issue Date: Jan-2012
Source: Rathore, A.K., Bhat, A.K.S., Oruganti, R. (2012-01). Analysis, design and experimental results of wide range ZVS active-clamped L-L type current-fed DC/DC converter for fuel cells to utility interface. IEEE Transactions on Industrial Electronics 59 (1) : 473-485. ScholarBank@NUS Repository. https://doi.org/10.1109/TIE.2011.2146214
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 switches 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 200 W 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. © 2011 IEEE.
Source Title: IEEE Transactions on Industrial Electronics
URI: http://scholarbank.nus.edu.sg/handle/10635/55102
ISSN: 02780046
DOI: 10.1109/TIE.2011.2146214
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