Please use this identifier to cite or link to this item: https://doi.org/10.1109/TIE.2012.2213563
Title: Analysis, design, and experimental results of novel snubberless bidirectional naturally clamped ZCS/ZVS current-fed half-bridge DC/DC converter for fuel cell vehicles
Authors: Rathore, A.K. 
Prasanna, U.R.
Keywords: Bidirectional converter
current-fed dc/dc converter
fuel cell vehicle (FCV)
high frequency
soft switching
Issue Date: 2013
Source: Rathore, A.K.,Prasanna, U.R. (2013). Analysis, design, and experimental results of novel snubberless bidirectional naturally clamped ZCS/ZVS current-fed half-bridge DC/DC converter for fuel cell vehicles. IEEE Transactions on Industrial Electronics 60 (10) : 4482-4491. ScholarBank@NUS Repository. https://doi.org/10.1109/TIE.2012.2213563
Abstract: This paper presents a novel snubberless naturally clamped bidirectional current-fed half-bridge isolated dc/dc converter for fuel cell vehicles (FCVs). The proposed converter achieves zero-current switching (ZCS) of the primary-side active semiconductor devices and zero-voltage switching of the secondary-side active semiconductor devices. It is a potential topology for FCVs, front-end dc/dc power conversion for fuel cell inverters, and energy storage. A proposed secondary-modulation clamps the voltage across the primary-side devices (current fed) naturally and eliminates switch turn-off voltage spike concern with ZCS without any additional circuit. This leads to reduced footprints and lower cost. Voltage across the primary-side current-fed devices is independent of duty cycle like conventional current-fed converters but clamped at a reflected output voltage. Therefore, comparatively low-voltage-rating devices with a low on-state resistance are used, introducing low conduction losses and higher efficiency. Steady-state analysis, operation, design, simulation, and experimental results of the proposed converter are reported in this paper. © 1982-2012 IEEE.
Source Title: IEEE Transactions on Industrial Electronics
URI: http://scholarbank.nus.edu.sg/handle/10635/55104
ISSN: 02780046
DOI: 10.1109/TIE.2012.2213563
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