华电技术 ›› 2016, Vol. 38 ›› Issue (8): 51-53.

• 技术交流 • 上一篇    下一篇

660MW机组热应力控制策略的特点及应用分析

  

  1. 安徽华电六安发电有限公司,安徽六安〓237126
  • 出版日期:2016-08-25 发布日期:2016-10-31

Analysis of characteristics and application for control strategy of thermal stress of 660MW unit

  1. Anhui Huadian Lu’an Power Generation Company Limited, Lu’an 237126, China
  • Online:2016-08-25 Published:2016-10-31

摘要:

摘要:某电厂在运2台660MW机组,其汽轮机数字电液控制系统将汽轮机厂对启动中的热应力要求及升、降负荷的速率限制转换成逻辑程序,实现设备热应力控制。结合热应力控制的理论及控制策略,对应用特点进行分析,确保设备在使用寿命内发挥最大效益,机组安全、稳定运行。

关键词:

Abstract:

Abstract:A certain power plant has been running two 660MW units. Its digital electric hydraulic control system has been transfer thermal stress and rate limitation of load change to logical program, which make sure the control of equipment thermal stress. This paper combined the theory of thermal stress control and control strategy and analyzed application characteristic to make sure equipment has functioned for the maximum effect within the service life and the safety and stability of the units.

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