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http://dx.doi.org/10.6113/TKPE.2017.22.5.404

Study on 3-Phase Isolated PFC Converter for the Electric Vehicle Charger  

Kim, Yoon-Jae (Dept. of Electrical Engineering, Myongji University)
Lee, Jun-Young (Dept. of Electrical Engineering, Myongji University)
Lee, Il-Oun (Dept. of Electrical Engineering, Myongji University)
Lee, Byung-Kwon (Dept. of Electrical Engineering, Myongji University)
Choi, Seung-Won (Dept. of Electrical Engineering, Myongji University)
Hong, Young-Gun (Dept. of R&D, DAEYOUNG Chaevi)
Publication Information
The Transactions of the Korean Institute of Power Electronics / v.22, no.5, 2017 , pp. 404-413 More about this Journal
Abstract
This paper suggests an isolated PFC converter for electric vehicle (EV) chargers with wide-output voltage range. The proposed converter is based on voltage-fed full-bridge structure. All the harmonic and output controls are performed by secondary and primary switches are only operated under a fixed frequency with 50% duty-ratio. In addition, harmonic modulation technique is adopted to obtain a near unity power factor without input current monitoring. The feasibility of the proposed charger has been verified with a 10-kW prototype.
Keywords
PFC converter; DC-DC converter; Buck converter; Power factor control; Current and voltage control;
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