华电技术 ›› 2016, Vol. 38 ›› Issue (12): 31-32.

• 技术交流 • 上一篇    下一篇

220kV线路开关动作不正确的事故分析

  

  1. 京能集团珠海市钰海电力有限公司,广东珠海〓519000
  • 出版日期:2016-12-25 发布日期:2017-02-04

220kV linebreaker incorrect action accident analysis

  1. Beijing Energy Investment Holding Company Limited Zhuhai Yuhai Power Company Limited, Zhuhai 519000, China
  • Online:2016-12-25 Published:2017-02-04

摘要:

摘要:研究了一起220kV线路开关动作不正确的事故,对原理图和录波数据进行分析,原因是开关动作过快,跳闸保持继电器(TBIJ)与开关跳闸线圈配合性较差,导致防跳回路不能动作,造成线路开关动作不正确,并从保护设置方面提出了防范措施。

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Abstract:

Abstract:Bases on an accident of 220kV line breaker incorrect action, by analyzing schematic diagram and record data, it was indicated that the incorrect action was caused by breaker acted too fast that tripping circuit didn’t act. Protective measurements were indicated.

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