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

The Korean Institute of Power Electronics (전력전자학회)
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A Reduced Component count Single-stage Electrolytic Capacitor-less Interleaved Totem-pole On-board Battery Charger

적은 소자수를 갖고 전해커패시터가 없는 단일단 인터리브드 토템폴 전기자동차 탑재형 충전기

  • 김병우 (서울과학기술대 대학원 전기정보공학과) ;
  • 조우식 (서울과학기술대 대학원 전기정보공학과) ;
  • 최세완
  • Received : 2017.06.03
  • Accepted : 2017.11.06
  • Published : 2017.12.20
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Abstract

This paper proposes a single-stage interleaved totem-pole on-board battery charger with a simple structure and a reduced component count. Apart from achieving ZVS turn-on of all switches and ZCS turn-off of all diodes, this charger does not require an input filter due to its CCM operation and bulky electrolytic capacitors, which in turn result in a high power density. A single-stage power conversion technique is applied to the interleaved structure in order to achieve a high power density and high efficiency. A 2.5 kW prototype of the proposed charger is also built and tested to validate the proposed operation.

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References

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