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최인혁,최연규,이동일,이원교,강병규,박준호,Choi, In-Hyuk,Choi, Yon-Gyu,Lee, Dong-Il,Lee, Won-Kyo,Kang, Byoung-Kyu,Park, Jun-Ho 한국전기전자재료학회 2007 전기전자재료학회논문지 Vol.20 No.7
36,000lbs porcelain insulators of D-1995, D-1997 and D-2002 investigated mechanical and electrical qualities, where is process of using in the Korea 154 kV transmission lines. It analyzes the cause of the elapse of a year aging of the transmission insulators. Weibull distribution function, product quality and uniform quality, etc. investigated for prediction to extant life of insulator. It calculate change as statistical elapse of a year through product qualities of used insulator and new insulator, uniform equality and uniformity of insulator. In case of D-1995 year used insulator, it decided to badness decline index k by 0.0237, badness quality index by 1.0 and 3.0. Result of extant confidence life Ym was calculated that remain each 4 yens and 0.7 yens that uniformity index is considered. Extant life of D-1997 and D-2002 insulators Predicted by about 40 years.