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http://dx.doi.org/10.6113/JPE.2015.15.5.1158

A Hybrid PWM-Resonant DC-DC Converter for Electric Vehicle Battery Charger Applications  

Lee, Il-Oun (Department of Electrical Energy Engineering, Keimyung University)
Publication Information
Journal of Power Electronics / v.15, no.5, 2015 , pp. 1158-1167 More about this Journal
Abstract
In this paper, a new hybrid DC-DC converter is proposed for electric vehicle 3.3 kW on-board battery charger applications, which can be modulated in a phase-shift manner under a fixed frequency or frequency variation. By integrating a half-bridge (HB) LLC series resonant converter (SRC) into the conventional phase-shift full-bridge (PSFB) converter with a full-bridge rectifier, the proposed converter has many advantages such as a full soft-switching range without duty-cycle loss, zero-current-switching operation of the rectifier diodes, minimized circulating current, reduced filter inductor size, and better utilization of transformers than other hybrid dc-dc converters. The feasibility of the proposed converter has been verified by experimental results under an output voltage range of 250-420V dc at 3.3 kW.
Keywords
Battery charger; Electric vehicle; Phase-shift full-bridge converter;
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Times Cited By KSCI : 2  (Citation Analysis)
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