Optimization and fixed value disturbance test analysis for coordination control system of a supercritical 660MW unit

WANG Yinsong; LI Ke; QIAN Neng

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Optimization and fixed value disturbance test analysis for coordination control system of a supercritical 660MW unit

更新时间：2025-09-28

- Optimization and fixed value disturbance test analysis for coordination control system of a supercritical 660MW unit
- Thermal Power Generation Vol. 46, Issue 2, Pages: 110-113(2017)
- 作者机构：
  
  1. 华北电力大学河北省发电过程仿真与优化控制工程技术研究中心
  2. 浙江省浙能技术研究院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM621
- Published：2017
- 稿件说明：
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WANG Yinsong, LI Ke, QIAN Neng. Optimization and fixed value disturbance test analysis for coordination control system of a supercritical 660MW unit[J]. Thermal power generation, 2017, 46(2): 110-113.
DOI：

WANG Yinsong, LI Ke, QIAN Neng. Optimization and fixed value disturbance test analysis for coordination control system of a supercritical 660MW unit[J]. Thermal power generation, 2017, 46(2): 110-113. DOI：

摘要

某超临界660MW机组经过A级检修后

机组物理特性发生改变

需要对协调控制系统进行参数整定优化。本文采用高负荷工况下设置煤量减缓回路、锅炉前馈曲线修正、主蒸汽压力的控制与滑压速率的调整以及通过主蒸汽压力设定值释放更多蓄热等手段对该机组协调控制系统进行优化

并通过负荷、炉膛压力和主蒸汽温度定值扰动试验对优化后机组的调节品质、负荷响应速率进行分析。结果表明

该机组控制系统优化后参数稳定

具有较好的动态控制品质

能够满足机组安全稳定运行的要求。

Abstract

After A-class maintenance

physical properties of a supercritical 660 MW unit changed

so parameters of the coordination control system(CCS)need to be set and optimized.Several optimization methods were introduced in this paper

such as setting the coal quantity reduce loop under high load condition

revising the feedforward curve of the boiler

regulating the main steam pressure and its sliding rate

releasing more heat by setting the main steam pressure.Moreover

disturbance tests on setting value of unit load

furnace pressure and main steam temperature were carried out to analyze the control quality and load response rate of the unit after the optimization.The results show that

the unit control system has stable parameters and good dynamic control quality

which can meet the requirements of safe and stable operation of the unit.

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