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효율개선을 위한 Push-Pull Converter의 동기정류에 관한 연구
김동중(D.J.Kim),김영규(Y.G.Kim),김이훈(L.H.Kim),원충연(C.Y.Won),김규식(G.S.Kim),최세완(S.W.Choi) 전력전자학회 2003 전력전자학술대회 논문집 Vol.2003 No.7(1)
Single winding self driven synchronous rectification(SWSDSR) scheme is based on an addi-winding in the power transformer (auxiliary winding). It allows for maintaining the synchronous rectifiers on even when the voltage in the transformer is zero, which is impossible to do in traditional self-driven approaches. Its technique is verified to Improve the efficiency by experiment In This paper, there are compared self driven synchronous rectification(SDSR) with SWSDSR about the efficiency
허태원(T.W. Heo),봉상철(S.C. Bong),김정은(C.E. Kim),김동중(D.J. Kim),김돈식(D.S. Kim),오동성(D.S. Oh) 전력전자학회 2009 전력전자학술대회 논문집 Vol.2009 No.1
The power supplies for server application which are satisfied with 80 PLUS GOLD are introduced in this paper. In main AC-DC converter, CCM boost converter using SiC diode is proposed as a PFC converter and phase shift full bridge converter is proposed as a DC-DC converter. Additional sub systems are also introduced in this paper.