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이병국(B.K.Lee),김종수(J.S.Kim),임근희(G.H.Rim) 전력전자학회 2003 전력전자학술대회 논문집 Vol.2003 No.7(1)
In this paper, the research trend and the sate-of-the-art of low cost motor drives are introduced with the recently increasing interest m various industrial applications, such as home appliance, hybrid electric vehicles, wind power systems, fuel cell systems, and etc. Based on This presented work, it is highly expected the power electronics technologies, which are accumulated through the last 20 years, can be effectively applied to actual application fields.
백주원(J. W. Baek),류명효(M. H. Ryu),유동욱(D. W. Yoo),김태진(T. J. Kim),이병국(B. K. Lee),임근희(G. H. Rim) 전력전자학회 2004 전력전자학술대회 논문집 Vol.- No.-
The emerging applications such as reliable back-up power system and renewable energy call for high boost DC-DC converter. The conventional topologies to get high output voltage are using flyback circuit, cascade converters, and coupled inductor DC-DC converter. They have the stress and loss related to the leakage energy which results in low efficiency. In this paper, novel high boost converter is presented. It has a structure of cascade boost converter but only one switch. Therefore, drive circuit is simple and extreme duty ratio is eliminated. To verify the proposed circuit, theoretical analysis and experimental results has been done using a prototype power supply.