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넓은 부하영역에서 고효율을 얻기 위한 3상 인터리브드 양방향 DC-DC 컨버터의 스위칭 기법
정재헌(Jae-Hun Jung),서보길(Bo-Gil Seo),선다운(Daun Sun),노의철(Eui-Cheol Nho) 대한전기학회 2015 전기학회논문지 Vol.64 No.9
This paper deals with a switching method of a three-phase interleaved bidirectional DC-DC converter to obtain high efficiency in wide load range. The proposed soft-switching method provides ZVS and ZCS at turn-on, and ZVS at turn-off of the switch as well as considerably reduced conduction loss in light load. Simulation and experiment are carried out with a bidirectional DC-DC converter having the power rating of 3 [kW], and those results show the validity of the proposed switching method.