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출력 필터의 크기를 줄인 연료전지 자동차용 양방향 인터리브드 전류원 공진형 컨버터
문동옥(Dong-Ok Moon),박준성(Jun-Sung Park),최세완(Se-Wan Choi) 전력전자학회 2014 전력전자학회 논문지 Vol.19 No.6
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.