华电技术 ›› 2015, Vol. 37 ›› Issue (9): 40-41.

• 技术交流 • 上一篇    下一篇

660 MW 机组热工保护误动的原因分析和预防措施

  

  1. 神华国能宁夏煤电有限公司,银川〓750011
  • 出版日期:2015-09-25 发布日期:2015-11-26

Reason analysis and its preventive measures for thermal protection miss operation of 660MW power unit

  1. Shenhua Guoneng Ningxia Coalfired Power Company Limited, Yinchuan 750011, China
  • Online:2015-09-25 Published:2015-11-26

摘要:

摘要:介绍了热工保护逻辑在660MW机组的应用,结合相关的热工保护误动资料,总结保护逻辑优化经验,分析热工逻辑保护误动的原因并提出预防措施,提高热工保护的可靠性。

关键词: ">关键词:逻辑保护;误动;原因;措施

Abstract:

Abstract:This paper introduced the application of thermal protection logic in 660MW power unit, combined relevant data of thermal protection missoperation, summarized the experience of protection logic, analyzed the reason of thermal protection missoperation and proposed corresponding preventive measures that improved the reliability of thermal protection.

Key words: Keywords:logic protection, missoperation, reason, measure