华电技术 ›› 2010, Vol. 32 ›› Issue (4): 39-41.

• 技术交流 • 上一篇    下一篇

危急遮断系统保护回路改造

刘伟兴   

  1. 广东粤嘉电力有限公司,广东梅州514032
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2010-04-25

Reformation of protection circuit in emergency trip system

LIU Weixing   

  1. Guangdong Yuejia Electric Power Corporation Limited, Meizhou 514032, China
  • Received:1900-01-01 Revised:1900-01-01 Published:2010-04-25

摘要: 对梅县发电厂 #5、 #6机组危急遮断系统(ETS)的现场停机信号与保护投切开关之间不分离所带来的安全隐患进行了分析,提出了针对性的解决方法,提高了整个危急遮断系统的安全性。

关键词: 危急遮断系统, 保护回路, 安全隐患, 改造

Abstract: This paper analyzed the potential safety hazard caused by the problem which the field outage signal of the emergency trip system (ETS) of #5 and #6 units in Meixian Power Plant was not separated with the protection switch. The pertinent solving method was put forward, and the security of the whole emergency trip system was enhanced.

Key words: emergency trip system (ETS), protection circuit, potential safety hazard, reformation