华电技术 ›› 2013, Vol. 35 ›› Issue (10): 33-35.

• 技术交流 • 上一篇    下一篇

托电公司辅机循环水系统中断处理措施及预案

  

  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:2013-10-25 发布日期:2013-11-25

Treatment measures of interrupt accident of water circulating system for auxiliary devices of Togtoh Power Generation Company Limited and prearranged plan

  1. (Inner Mongolia Datang International Togtoh Power Generation Company Limited, Togtoh 010206, China)
  • Online:2013-10-25 Published:2013-11-25

摘要: 摘要:2012年冬季极端天气下,托电公司500kV出线相继跳闸,线路跳闸冲击循环水变频器,导致四期 #8机组循环水瞬时中断。对整个事故过程进行了分析总结,提出了循环水中断处理方案,总结了防止循环水中断的控制措施。

关键词: 关键词:汽轮机, 循环水, 中断, 变频器

Abstract: Abstract:Due to the extreme rain and snow weather occurred at the winter of 2012, three 500kV output transmission lines of Togtoh Power Generation Company Limited tripped successively. The line tripout accident impacted on the water circulating frequency converter, which caused the circulating water supply of unit No.8 of project phase Ⅳ to interrupt instantly. The whole accident process was analyzed and summarized. A circulating water interruption handling scheme was proposed, and the control measures to prevent circulating water interruption accident were summarized.

Key words: Key words:steam turbine, circulating water, interrupt, frequency converter