华电技术 ›› 2010, Vol. 32 ›› Issue (2): 67-68.

• 技术交流 • 上一篇    下一篇

短引线差动保护误动跳机原因分析及预防措施

张太林   

  1. (四川广安发电有限责任公司,四川广安638000
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2010-02-25

Reason analysis of shortconnectline differential protection malfunction trip and prevention measures

ZHANG Tailin   

  1. Sichuan Guangan Power Generation Corporation Limited, Guangan 638000, China
  • Received:1900-01-01 Revised:1900-01-01 Published:2010-02-25

摘要: 介绍了某发电厂500kV系统接线方式、短引线差动保护的投运情况,分析了短引线保护误动跳机的事故经过及其原因,提出了预防措施。

关键词: 短引线保护, 误动跳机, 原因分析, 预防措施

Abstract: The connection mode of 500kV system of a power plant was introduced, and the operation of the shortconnectline protection was presented too. The process of the malfunction trip fault of the shortconnectline protection and its reasons were analyzed, and some prevention measures were proposed.

Key words: short-connect-line protection, malfunction trip, reason analysis, prevention measure