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소프트 스위칭 Single Stage AC/DC Full Bridge Boost 컨버터
김은수(E. S. Kim),조기연(K. Y. Joe),김윤호(Y. H. Kim),조용현(Y. H. Cho),박경수(G. S. Park),안호균(H. G. An),박순구(S.G.Park) 전력전자학회 1999 전력전자학술대회 논문집 Vol.1999 No.7
A new soft switching single stage AC-DC full bridge boost converter with unit input power factor and isolated output is presented in this paper Due to the use of a non-dissipative snubber on the primary side, a single stage high-power factor isolated full bridge boost converter has a significant reduction of switching losses in the main switching devices, The non-dissipative snubber adopted in this study consists of a snubber capacitor Cr. a snubber inductor Lr, a fast recovery snubber diode Dr, and a commutation diode Dr, This paper presents the complete operating prin챠ples, theoretical analysis and experimental results.