Please use this identifier to cite or link to this item: https://doi.org/10.1109/ECCE.2013.6647450
Title: Novel bidirectional snubberless naturally clamped ZCS current-fed full-bridge voltage doubler: Analysis, design, and experimental results
Authors: Xuewei, P.
Rathore, A.K. 
Issue Date: 2013
Source: Xuewei, P.,Rathore, A.K. (2013). Novel bidirectional snubberless naturally clamped ZCS current-fed full-bridge voltage doubler: Analysis, design, and experimental results. 2013 IEEE Energy Conversion Congress and Exposition, ECCE 2013 : 5518-5525. ScholarBank@NUS Repository. https://doi.org/10.1109/ECCE.2013.6647450
Abstract: This paper presents a novel soft-switching bidirectional snubberless current-fed full-bridge voltage doubler. A novel secondary modulation technique is proposed to clamp the voltage across the primary side switches naturally with zero current commutation (ZCC). It, therefore, eliminates the necessity for active-clamping or passive snubbers to absorb the switch turn-off voltage spike, a major challenge in current-fed converters. Zero-current switching (ZCS) of primary side devices and zero-voltage switching (ZVS) of secondary side devices are achieved, which significantly reduce switching losses. Primary device voltage is clamped at low voltage, which enables the use of low voltage devices with low on-state resistance. Soft-switching and voltage-clamping is inherent and load independent. Analysis and design of proposed topology are presented. Simulation results using PSIM 9.0.4 are shown to verify the accuracy of the proposed analysis and design. A 250 W prototype has been tested to validate its performance. © 2013 IEEE.
Source Title: 2013 IEEE Energy Conversion Congress and Exposition, ECCE 2013
URI: http://scholarbank.nus.edu.sg/handle/10635/71172
ISBN: 9781479903351
DOI: 10.1109/ECCE.2013.6647450
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