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전력전자학회 ICPE(ISPE)논문집 2001년 ICPE논문집
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    초록·키워드

    This paper proposes a snubber circuit for flying capacitor multilevel inverter and converter The proposed snubber circuit makes use of Undeland snubber as basic snubber unit It has such an advantage of Undeland snubber used in the two-level inverter Compared with conventional RLD/RCD snubber for multilevel inverter and converter, the proposed snubber keeps such good features as fewer number of components, reduction of voltage stress of main switching devices due to low overvoltage, and improved efficiency of system due to low snubber loss In this paper, the proposed snubber is applied to three-level flying capacitor inverter and its feature is demonstrated by computer simulation and experimental result.

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      UCI(KEPA) : I410-ECN-0101-2009-560-014237278