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소프트 스위칭 모드에 의한 고역률의 AC-DC 강압형 컨버터 토폴로지
문상필(S.P. Moon),서기영(K.Y. Suh),전중함(J.H. Chun),김영철(J.H Kim),김준홍(Y.C Kim),이현우(H.W. Lee) 전력전자학회 1997 전력전자학술대회 논문집 Vol.1997 No.-
This paper propsed that a AC-DC Converter topology of high power factor with soft switching mode operates with four chopper conoecting a number of parallel ciruit. To improve these, a large number of soft switching topologies included a resonant circuit have been proposed. And. some simulative results on computer is included to confirm the validity of the analytical results. The partial resonant circuit makes use of a inductor using step up and a condenser of laos-less snubber. The result is that the switching loss is very low and the efficiency of system is high. And the snubber condenser used in partial resonant circuit makes charging engergy regenerated at input power source for resonant operation. The proposed conversion system is deemed the most suitable for high power applications where the power switching devices are used.