ANALYSIS OF HIGH-PRESSURE GOVERNOR VALVE'S FLUTTER IN DEN CONTROL SYSTEM OF A 600MW UNIT AND TREATMENT THEREOF

Li Jin

doi:10.19666/j.rlfd.2003.08.014

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ANALYSIS OF HIGH-PRESSURE GOVERNOR VALVE'S FLUTTER IN DEN CONTROL SYSTEM OF A 600MW UNIT AND TREATMENT THEREOF

更新时间：2025-09-28

- ANALYSIS OF HIGH-PRESSURE GOVERNOR VALVE'S FLUTTER IN DEN CONTROL SYSTEM OF A 600MW UNIT AND TREATMENT THEREOF
- Thermal Power Generation Issue 8, Pages: 43-45(2003)
- 作者机构：
  
  扬州第二发电厂,江苏,扬州,225131
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2003.08.014
  CLC： TK268
- Published：2003
- 稿件说明：
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Li Jin. ANALYSIS OF HIGH-PRESSURE GOVERNOR VALVE'S FLUTTER IN DEN CONTROL SYSTEM OF A 600MW UNIT AND TREATMENT THEREOF[J]. Thermal power generation, 2003, (8): 43-45.
DOI：

Li Jin. ANALYSIS OF HIGH-PRESSURE GOVERNOR VALVE'S FLUTTER IN DEN CONTROL SYSTEM OF A 600MW UNIT AND TREATMENT THEREOF[J]. Thermal power generation, 2003, (8): 43-45. DOI： 10.19666/j.rlfd.2003.08.014.

摘要

根据DEH控制回路的构成特点以及具体应用情况

对机组运行过程中出现的调门抖动原因作出分析

并对处理过程进行了总结。认为由控制回路引起的调门抖动是可以克服的

但由控制系统硬件方面引起的调门抖动

在保证汽机安全稳定运行的前提下

只好采用牺牲回路冗余度的方法加以解决

Abstract

Based on structural features and concrete application situation of DEN control circuit

the causes leading to governor valve's flutter occurred in the process of operation have been analysed

and a summary of the treatment processes being made. It is considered that the governor valve's flutter resulting from the control circuit can not be completely overcome

but because of being limited by hardware condition of the said control system

it is forced to sacrifice redundancy of the said circuit under prerequisite of ensuring firstly the safe and stable operation of unit.

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