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이동식(D. S. LEE),이현욱(H. W. LEE),정영우(Y. W. Jeong),양홍익(H. I. Yang),안길영(K. Y. Ahn) 대한기계학회 2013 대한기계학회 춘추학술대회 Vol.2013 No.12
Recently, high reliability of electrical power system is required. Accordingly, for the protection of the power systems used circuit breakers are required high reliability. Nowadays general interruption time of circuit breaker is 3~5 cycle, but recently, to meet the needs of the high reliability, research on high speed circuit breaker has been made. The studies of high speed circuit breaker consist of research of high speed protection relay and high speed circuit mechanism. In this study, we proposed high speed mechanism with hybrid type mechanism, which consists of conventional spring mechanism and Thomson coil actuator.