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송전선로의 설비특성을 고려한 운영그룹 분류 및 최고허용온도
孫洪寬(Hong-Kwan Sohn),金秉杰(Byung-Geol Kim),朴寅杓(In-Pyo Park),安相炫(Sang-Hyun An),張太因(Tae-In Jang),崔鍾基(Jong-Kee Choi) 대한전기학회 2008 전기학회논문지 Vol.57 No.11
The thermal rating of a conductor are maximum continuous current capacity and short time emergency current capacity. The overload operation for a faults have an effect on a conductor lifetime. Its time duration and overload level are limited to facility conditions of transmission lines. The short time emergency current capacity in KOREA observe the KEPCO's DESIGN RULE 1210, but its rules are not included to concept of an allowable short time duration. This papers are described to the calculation concept of short time emergency current capacity considering a time duration and an overload level. And we suggested a operation grouping and its maximum conductor temperature considering facility conditions - conductor lifetime, stability of connection points, conductor height above ground and clearance, in the operating and new T/L.