The Transactions of the Korean Institute of Power Electronics (전력전자학회논문지)

The Korean Institute of Power Electronics (전력전자학회)
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Study on 3-Phase Isolated PFC Converter for the Electric Vehicle Charger

전기자동차 충전기를 위한 3상 절연형 PFC 컨버터의 회로 연구

  • Received : 2017.07.17
  • Accepted : 2017.09.07
  • Published : 2017.10.20
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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.

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References

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