RETROFIT OF COORDINATED CONTROL SYSTEM FOR ONCE-THROUGH BOILER OF SUPERCRITICAL 600 MW UNIT AND APPLICATION OF AGC STRATEGY

WANG Jia-xing1; BAI Yan1; DONG Ling1; ZHANG Jun-tao1; ZHENG Min21.College of Control Science and Engineering

doi:10.19666/j.rlfd.2008.12.022

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RETROFIT OF COORDINATED CONTROL SYSTEM FOR ONCE-THROUGH BOILER OF SUPERCRITICAL 600 MW UNIT AND APPLICATION OF AGC STRATEGY

Thermal Power Generation Vol. 37, Issue 12, Pages: 85-89(2008)

更新时间：2025-09-28

- RETROFIT OF COORDINATED CONTROL SYSTEM FOR ONCE-THROUGH BOILER OF SUPERCRITICAL 600 MW UNIT AND APPLICATION OF AGC STRATEGY
- 作者机构：
  
  1. 华北电力大学控制科学与工程学院
  2. 福建省电力勘测设计院
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2008.12.022
  CLC： TM621
- Published：2008
- 稿件说明：
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WANG Jia-xing1, BAI Yan1, DONG Ling1, et al. RETROFIT OF COORDINATED CONTROL SYSTEM FOR ONCE-THROUGH BOILER OF SUPERCRITICAL 600 MW UNIT AND APPLICATION OF AGC STRATEGY[J]. Thermal Power Generation, 2008, 37(12): 85-89.
DOI：

WANG Jia-xing1, BAI Yan1, DONG Ling1, et al. RETROFIT OF COORDINATED CONTROL SYSTEM FOR ONCE-THROUGH BOILER OF SUPERCRITICAL 600 MW UNIT AND APPLICATION OF AGC STRATEGY[J]. Thermal Power Generation, 2008, 37(12): 85-89. DOI： 10.19666/j.rlfd.2008.12.022.

摘要

自动发电控制(AGC)是电网自动控制的一项基本要求

但采用AGC控制的火电机组均存在响应速度慢等问题。为此

对机组协调控制系统进行分析

提出了优化负荷指令对燃料控制前馈环节的作用、取消风/煤间的交叉限制、预给煤、利用锅炉蓄热及压力拉回等改进方案

并将其用于江阴电厂1号和2号超临界600 MW机组协调控制系统的改进。实际应用表明

改进后的协调控制系统能够快速响应AGC负荷指令。

Abstract

Automic generation control(AGC)is an essential requirement in automatic control of power grid

the slow response of thermal power units participating into AGC is a commonly existing problem.For this

the coordinated control system of the unit has been analysed

and retrofit scheme being put forward

including optimization of load command effecting upon feed forward link of fuel control

elimination of cross limitation between air and coal

prefeed of coal

heat accumulation and pressure draw-back by using the boiler

etc.

and the said scheme has already used into retrofit of the coordinated control system of supercritical units no.1 and no.2 in Jiangyin Power Plant.Practical application shows that the retrofitted coordinated control system can rapidly respond to the load command of AGC.

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