华电技术 ›› 2011, Vol. 33 ›› Issue (1): 9-13.

• 专题综述 • 上一篇    下一篇

超超临界机组汽轮机保护系统研究

安小民   

  1. 望亭发电厂,江苏苏州215155
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2011-01-25 发布日期:2011-01-25

Research on protection system of ultrasupercritical steam turbine

AN Xiaomin   

  1. Wangting Power Plant, Suzhou 215155, China
  • Received:1900-01-01 Revised:1900-01-01 Online:2011-01-25 Published:2011-01-25

摘要: 论述了超超临界机组汽轮机保护系统的设备控制策略,介绍了各个保护回路信号处理和工作原理,根据汽轮机保护系统几次跳闸情况,分析了系统中存在的问题,提出了修改方案,以提高机组的经济性。

关键词: 保护系统, 遮断, 控制逻辑, 信号处理

Abstract: The equipment control strategy of protection system of ultrasupercritical steam turbine was expounded. The signal processing and operation principle of each protection circuit were introduced. According to several times tripping of the steam turbine, the problems existed in the system were analyzed, the improving scheme was put forward to raise the unit economical efficiency.

Key words: protection system, interruption, control logic, signal processing