华电技术 ›› 2013, Vol. 35 ›› Issue (11): 1-2.

• 专题综述 •    下一篇

500kV线路跳闸原因和动作情况分析

  

  1. (内蒙古大唐国际托克托发电有限责任公司,内蒙古托克托〓010206)
  • 出版日期:2013-11-25 发布日期:2013-12-30

Analysis on reason and action process of 500kV line tripping DAI Shuqin

  1. (Inner Mongolia Datang International Togtoh Power Generation Company Limited, Togtoh 010206, China)
  • Online:2013-11-25 Published:2013-12-30

摘要: 摘要:由于雨雪天气的原因,造成500kV浑源站源霸Ⅰ,Ⅱ线跳闸,对跳闸原因和动作情况进行了分析,采取了有效措施,以保证“一一·五”事件发生后内蒙古大唐国际托克托发电有限责任公司发电机组的安全运行。

关键词: 关键词:“一一·五”事件, 原因分析, 次同步谐振, 阻塞滤波器, 扭振应力保护, 异步自激磁, 模态1, 模态2

Abstract: Abstract:The rain and snow weather caused the transmission line tripout accidents of the YuanBa Line I, YuanBa Line II and YuanAn line I of Hunyuan 500kV switch station. The reasons of tripout accidents and the tripping process were analyzed. Effective countermeasures were adopted so as to ensure the generator units of Inner Mongolia Datang International Togtoh Power Generation Company Limited to operate safely as far as possible.

Key words: Key words:“11.5”accident, reason analysis, subsynchronous resonance, blocking filter, torsional vibration stress protection, asynchronous selfexcitation, modal I, modal II