OPTIMIZATION OF FULL-PROCESS CONTROL FOR FEED-WATER OF A 600 MW UNIT BASED ON Matlab/Simulink DYNAMIC MODELLING

LI Wei-hua1; CUI Li2; KANG Jing-qiu1; YANG Zhen-yong11.North China Electric Power Science Research Institute

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OPTIMIZATION OF FULL-PROCESS CONTROL FOR FEED-WATER OF A 600 MW UNIT BASED ON Matlab/Simulink DYNAMIC MODELLING

更新时间：2025-09-28

- OPTIMIZATION OF FULL-PROCESS CONTROL FOR FEED-WATER OF A 600 MW UNIT BASED ON Matlab/Simulink DYNAMIC MODELLING
- Thermal Power Generation Vol. 38, Issue 12, Pages: 82-87(2009)
- 作者机构：
  
  1. 华北电力科学研究院有限责任公司
  2. 西安热工研究院有限公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK323
- Published：2009
- 稿件说明：
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LI Wei-hua1, CUI Li2, KANG Jing-qiu1, et al. OPTIMIZATION OF FULL-PROCESS CONTROL FOR FEED-WATER OF A 600 MW UNIT BASED ON Matlab/Simulink DYNAMIC MODELLING[J]. Thermal power generation, 2009, 38(12): 82-87.
DOI：

LI Wei-hua1, CUI Li2, KANG Jing-qiu1, et al. OPTIMIZATION OF FULL-PROCESS CONTROL FOR FEED-WATER OF A 600 MW UNIT BASED ON Matlab/Simulink DYNAMIC MODELLING[J]. Thermal power generation, 2009, 38(12): 82-87. DOI：

摘要

采用Matlab/Simulink软件对同煤大唐塔山电厂(塔山电厂)亚临界600MW机组给水控制系统在高、低负荷下的不同动态特性进行建模和仿真。根据仿真结果

重新构造了控制器结构并优化了调节器参数

实现了机组在低负荷下汽包水位、调节阀差压的解耦和高负荷下汽包水位的精确控制

以及机组从锅炉上水到机组满负荷运行过程、RB等特殊工况下的给水全程控制。

Abstract

The different dynamic characters of feed-water control system under high load and low load of subcritical 600 MW unit in Datang Tashan Power Plant subordinated to Tong Coal Corporation have been modelled and emulated by using Matlab/Simulink software.Based on results of emulation

the structure of controller has been reconstructed

and the parameters of regulator being optimized

realizing the full-process control of feed-water for the unit

including water-level in the drum under low load

the decoupling of govenor valve due to differential pressure

and accurate control of water-level in the drum under high load

as well as the process from supplying water to the boiler to full load operation of the unit

and the special condition of run-back etc..

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