华电技术 ›› 2012, Vol. 34 ›› Issue (2): 43-46.

• 技术交流 • 上一篇    下一篇

变压器差动保护误动分析

林楚斌   

  1. 广东电网公司揭阳供电局 ,广东揭阳522000
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2012-02-25 发布日期:2012-02-25

Analysis on incorrect action of transformer differential protection

LIN Chubin   

  1. Jieyang Power Supply Bureau of Guangdong Power Grid Company, Jieyang 522000, China
  • Received:1900-01-01 Revised:1900-01-01 Online:2012-02-25 Published:2012-02-25

摘要: 针对主变压器差动保护误动的情况,分析了引起误动的原因,从误动技术分析资料的收集和误动原因的查找入手,论述了变压器差动保护误动检查的方法及步骤,为继电保护专业人员现场事故调查提供参考。

关键词: 变压器, 差动保护, 误动, 检查

Abstract: Aiming at the incorrect action of the main transformer differential protection, the reasons of the incorrect action were analyzed. Starting from the collecting of the technical analysis materials of the incorrect action and the finding of reasons of the incorrect action, the method and procedure to inspect the incorrect action of the transformer differential protection were expounded, which provides reference for the relay protection professionals in field accident investigation.

Key words: transformer, differential protection, incorrect action, inspection