Please use this identifier to cite or link to this item: https://doi.org/10.1109/PCCON.2007.373026
Title: A comparison of soft-switched DC-DC converters for fuel cell to utility interface application
Authors: Rathore, A.K.
Bhat, A.K.S.
Oruganti, R. 
Keywords: Fuel cell
High-frequency
Soft-switching
Utility interface
Issue Date: 2007
Source: Rathore, A.K.,Bhat, A.K.S.,Oruganti, R. (2007). A comparison of soft-switched DC-DC converters for fuel cell to utility interface application. Fourth Power Conversion Conference-NAGOYA, PCC-NAGOYA 2007 - Conference Proceedings : 588-594. ScholarBank@NUS Repository. https://doi.org/10.1109/PCCON.2007.373026
Abstract: High frequency (HF) transformer isolated DC-DC converter is a part of a fuel cell inverter system for utility interface, required to translate the level of low fuel cell stack voltage to meet the peak utility line voltage and provides isolation between inverter and utility line. This paper presents a comparison of various soft-switched HF transformer isolated DC-DC converters for fuel cell to utility interface application. It is shown that due to wide variation in fuel cell voltage with load variation, none of the voltage-fed converters can maintain ZVS for the complete operating range. Active clamped two-inductor current-fed converter is able to maintain ZVS for wide load and fuel cell stack voltage variations and is suitable for the present application. Analytical and simulation results to evaluate the performance of the current-fed converter are presented. © 2007 IEEE.
Source Title: Fourth Power Conversion Conference-NAGOYA, PCC-NAGOYA 2007 - Conference Proceedings
URI: http://scholarbank.nus.edu.sg/handle/10635/68747
ISBN: 142440844X
DOI: 10.1109/PCCON.2007.373026
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