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간단한 보조회로를 이용한 새로운 IGBT 직렬 구동 기법에 관한 연구
백주원(J. W. Baek),류명호(M H. Ryu),김성철(S. C. Kim),이영식(Y. S. Lee),유동욱(D. W. Yoo),김흥근(H. G. Kim) 전력전자학회 1999 전력전자학술대회 논문집 Vol.1999 No.7
There exists an acute need for high voltage solid-state-switches in a broad area of applications with the proposed method using simple voltage balancing circuit with series connected IGBTs, it is realized high voltage semiconductor switches with working voltages of several order kilo-volts. Th operation principle of the proposed circuit is explained and analyzed. Transient and static voltage-balancing is tested on a experimenta 3kV /45A switch with four series-connected IGBTs.