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김민규(M. K. Kim),허대행(D. H. Huh),김익수(I. S. Kim),장진영(J. Y. Jang),문병철(B. C. Moon),고재철(J. C. Go) 대한전기학회 2008 대한전기학회 학술대회 논문집 Vol.2008 No.5
This paper describes a method to estimate the thermal lifetime of coil used in the dry-type molded transformer which is widely used in the domestic distribution system. In order to reduce the testing time. temperature accelerated aging test is planned Finally, the thermal lifetime estimation method is composed of a temperature aging test and a cyclic test of temperature, humidity and lightning impulse voltage withstand test.