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Design and implementation of a high-efficiency on- board battery charger for electric vehicles with frequency control strategy

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6 Author(s)
Jong-Soo Kim ; Information and Communication Engineering, SungKyunKwan University, Suwon, Korea ; Gyu-Yeong Choe ; Hye-Man Jung ; Byoung-Kuk Lee
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This paper presents a design and implementation of 3.3 kW on-board battery charger for electric vehicles or plug-in hybrid electric vehicles. A series-loaded resonant dc-dc converter and frequency control are adopted in consideration of efficiency, reliability, volume, cost, and so on. In order to obtain high efficiency and less volume within 6 liters, a prototype of the charger is designed and implemented by using high frequency of 80-130 kHz and zero voltage switching method. The experimental result indicates 93% of the maximum efficiency and 5.84 liters in volume of the developed 3.3 kW on-board battery charger.

Published in:

2010 IEEE Vehicle Power and Propulsion Conference

Date of Conference:

1-3 Sept. 2010