Please use this identifier to cite or link to this item: https://doi.org/10.1109/ECCE.2013.6646939
Title: Novel bidirectional snubberless soft-switching naturally clamped zero current commutated current-fed dual active bridge (CFDAB) converter for fuel cell vehicles
Authors: Xuewei, P.
Rathore, A.K. 
Issue Date: 2013
Source: Xuewei, P.,Rathore, A.K. (2013). Novel bidirectional snubberless soft-switching naturally clamped zero current commutated current-fed dual active bridge (CFDAB) converter for fuel cell vehicles. 2013 IEEE Energy Conversion Congress and Exposition, ECCE 2013 : 1894-1901. ScholarBank@NUS Repository. https://doi.org/10.1109/ECCE.2013.6646939
Abstract: A novel naturally-clamped zero current commutated soft-switching bidirectional current-fed full-bridge isolated dc/dc converter is proposed. This proposed secondary modulation technique naturally clamps the voltage across the primary side devices with zero current commutation (ZCC) eliminating the necessity for active-clamp circuit or passive snubbers. Switching losses are reduced significantly owing to zero-current switching (ZCS) of primary side devices and zero-voltage switching (ZVS) of secondary side devices. Softswitching and voltage-clamping is inherent and load independent. The voltage across primary side devices is independent of duty cycle with varying input voltage and output power and clamped at rather low reflected output voltage enabling the use of semiconductor devices of low voltage rating. These merits make the converter promising for fuel cell vehicles application, front-end dc/dc power conversion for fuel cell inverters and energy storage. Steady state operation, analysis, design, simulation results using PSIM 9.0.4, and experimental results are presented. © 2013 IEEE.
Source Title: 2013 IEEE Energy Conversion Congress and Exposition, ECCE 2013
URI: http://scholarbank.nus.edu.sg/handle/10635/71173
ISBN: 9781479903351
DOI: 10.1109/ECCE.2013.6646939
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