华电技术 ›› 2009, Vol. 31 ›› Issue (9): 13-14.

• 专题综述 • 上一篇    下一篇

一起线路保护的非正常动作引起的思考

王锦军   

  1. 华电能源牡丹江第二发电厂,黑龙江牡丹江 157015
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2009-09-25 发布日期:2009-09-25

Thinking about a line protection mal operation accident

WANG Jinjun   

  1. Mudanjiang Second Power Plant of Huadian Energy Corporation Limited,Mudanjiang 157015,China
  • Received:1900-01-01 Revised:1900-01-01 Online:2009-09-25 Published:2009-09-25

摘要: 引用实例说明了220kV以上线路闭锁式高频保护功能压板的作用, 分析了由于保护功能压板因接触不良而引发的故障,论述了检修和运行人员在检修、操作中的注意事项和检查方法。

关键词: 线路保护装置, 闭锁式高频保护功能压板, 非正常动作, 故障原因, 分析

Abstract: Taking a mal function accident as instance, the function of functional contact plate of 220kV block high frequency line protection was illustrated. The faults caused by poor contact of functional contact plate were analyzed. The matters needing attention and inspection method for the maintainers and operators in their overhaul and operation were expounded.

Key words: line protection device, functional contact plate of block high frequency protection, mal function, reason of fault, analysis