干字型转角塔跳线引起线路跳闸的分析

本文列举和分析了220kV西金Ⅰ线、柘西Ⅱ线故障跳闸情况和原因,分析结果表明,跳闸主要是因为JG干字型转角塔跳线及绝缘子的鸟害、风偏及制作工艺引起,并提出了相应的防患措施。

This paper gives examples and analyzes the situation and reason of fault tripping of west jing line I and Zha west line Ⅱ,Through analysis the result, it indicates that the reason causing tripping is jumping wire of JG “干”type angle tower and bird causing insulator fault,deflection wind and manufacturing technique,it adduces the related preventive measure.