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

The Korean Institute of Power Electronics (전력전자학회)
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Bi-Directional Interleaved Current-Fed Resonant Converter with Reduced Sized of Output Filter for FCEV

출력 필터의 크기를 줄인 연료전지 자동차용 양방향 인터리브드 전류원 공진형 컨버터

  • Moon, Dong-Ok (Dept. of Electrical & Information Eng., Seoul Nat'l Univ. of Science and Technology) ;
  • Park, Jun-Sung (Dept. of New Energy Eng., Seoul Nat'l Univ. of Science and Technology) ;
  • Choi, Se-Wan (Dept. of Electrical & Information Eng., Seoul Nat'l Univ. of Science and Technology)
  • Received : 2014.08.25
  • Accepted : 2014.09.15
  • Published : 2014.12.20
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Abstract

This study proposes a bi-directional interleaved current-fed resonant converter (CRC) with reduced size of the output filter for a fuel cell electric vehicle. The proposed CRC achieves zero-current switching turn on and off of switches and diodes and makes ripple current of the output capacitor theoretically zero. As a result, the cost and volume of the output capacitor are significantly reduced. The two-stage power conversion technique is also applied for wide input and output voltage range operations. A 2kW prototype of the proposed converter is built and tested to verify the validity of the proposed operation.

Keywords

Acknowledgement

Supported by : 한국연구재단

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