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


Vol. 15, No. 5, pp. 1158-1167, Sep. 2015
10.6113/JPE.2015.15.5.1158


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 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.


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Cite this article

[IEEE Style]

I. Lee, "A Hybrid PWM-Resonant DC-DC Converter for Electric Vehicle Battery Charger Applications," Journal of Power Electronics, vol. 15, no. 5, pp. 1158-1167, 2015. DOI: 10.6113/JPE.2015.15.5.1158.

[ACM Style]

Il-Oun Lee. 2015. A Hybrid PWM-Resonant DC-DC Converter for Electric Vehicle Battery Charger Applications. Journal of Power Electronics, 15, 5, (2015), 1158-1167. DOI: 10.6113/JPE.2015.15.5.1158.