华电技术 ›› 2013, Vol. 35 ›› Issue (3): 45-47.

• 技术交流 • 上一篇    下一篇

600 MW发电机定子一点接地故障的查找及处理

张建忠,张志猛,岳啸鸣,刘辉,张兵海   

  1. (河北省电力科学研究院输变电工程技术研究中心,河北石家庄 050021)
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2013-03-25 发布日期:2013-03-25

Analysis on reason of 600MW generator stator grounding fault through single point and treatment

ZHANG Jianzhong, ZHANG Zhimeng, YUE Xiaoming, LIU Hui, ZHANG Binghai   

  1. (Research Center of Power Transmission and Transformation Engineering and Technology, Hebei Electric Power Research Institute, Shijiazhuang 050021, China)
  • Received:1900-01-01 Revised:1900-01-01 Online:2013-03-25 Published:2013-03-25

摘要: 介绍了一起600MW发电机定子接地保护动作引起发电机跳闸的事故过程,分析了事故产生的原因及查找故障的过程,针对发电机一点接地故障,给出了查找方法,提出了防止类似事故发生的建议。

关键词: 发电机, 定子一点接地, 故障分析

Abstract: A 600MW generator tripped accident caused by tripping of the stator grounding protection device was introduced. The reasons of the accident were analyzed. The fault search method was introduced, and the suggestions for preventing similar accidents were put forward.

Key words: generator, stator grounding fault through single point, fault analysis