华电技术 ›› 2012, Vol. 34 ›› Issue (5): 26-27.

• 技术交流 • 上一篇    下一篇

10kV线路故障引起相邻线路异常跳闸的原因分析

尹星光1,宛玉健1,张新州1,郭凤琪2   

  1. 1.广东电网公司惠州供电局,广东惠州516001;2.许继电气股份有限公司,河南许昌461000
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2012-05-25 发布日期:2012-05-25

Analysis on reason of abnormal tripping caused by fault of adjacent 10kV transmission line

YIN Xingguang1, WAN Yujian1, ZHANG Xinzhou1, GUO Fengqi2   

  1. 1.Huizhou Power Supply Bureau of Guangdong Power Grid Corporation, Huizhou 516001, China; 2.XJ Electric Company Limited, Xuchang 461000, China
  • Received:1900-01-01 Revised:1900-01-01 Online:2012-05-25 Published:2012-05-25

摘要: 对10kV线路F12多次因相邻线路故障而异常跳闸的事故进行了分析,找出了异常跳闸的主要原因,给出了解决方法和防止类似事故发生的建议。

关键词: 相邻线路, 异常跳闸, 单相接地, 非故障相, 绝缘降低

Abstract: Due to the fault of adjacent line, the 10kV line F12 was tripped abnormally many times. The abnormal tripping was analyzed; the main reason of the abnormal tripping was found; the solution was proposed; and the suggestion for preventing similar accidents was given.

Key words: adjacent line, abnormal tripping, single-phase earthing, healthy phase, insulation strength decrease