OPTIMIZATION OF CONTROL SYSTEM FOR 320 MW UNITS IN BEIHAI POWER PLANT

GONG Xiaoyong; DU Zhixin; XIA Juntao; LEI Zengqiang Zhongdiantou Beihai Power Plant

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OPTIMIZATION OF CONTROL SYSTEM FOR 320 MW UNITS IN BEIHAI POWER PLANT

更新时间：2025-09-28

- OPTIMIZATION OF CONTROL SYSTEM FOR 320 MW UNITS IN BEIHAI POWER PLANT
- Thermal Power Generation Vol. 39, Issue 8, Pages: 76-81(2010)
- 作者机构：
  
  中电投北海发电厂
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM621.6
- Published：2010
- 稿件说明：
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GONG Xiaoyong, DU Zhixin, XIA Juntao, et al. OPTIMIZATION OF CONTROL SYSTEM FOR 320 MW UNITS IN BEIHAI POWER PLANT[J]. Thermal power generation, 2010, 39(8): 76-81.
DOI：

GONG Xiaoyong, DU Zhixin, XIA Juntao, et al. OPTIMIZATION OF CONTROL SYSTEM FOR 320 MW UNITS IN BEIHAI POWER PLANT[J]. Thermal power generation, 2010, 39(8): 76-81. DOI：

摘要

针对中电投北海电厂320 MW机组控制系统存在的磨煤机起、停和锅炉蒸汽/激波吹灰过程中机组协调控制及送风(氧量)自动控制无法正常投入、主蒸汽温度波动大、汽包水位自动调节特性差等问题

采用OPT-K优化软件包对控制系统进行了优化。对常规PID参数的自整定和引入现代控制理论构建的状态观测器

使控制系统自动投入率及其调节品质明显提高

解决了起、停磨煤机时导致的汽包水位波动大、蒸汽温度扰动大等问题

汽轮机、锅炉协调控制系统投入情况良好。

Abstract

Directing against the problems existing in control system of 320 MW units in Beihai Power Plant

such as the coordinated control of units and automatic control of the forced draft fan(relating to oxygen quanlity) were unable to normally put into service during the time of start-up and shutdown for the coal pulverizer

and in the sootblowing process by using the boiler steam excited wave

large fluctuation of the main steam temperature

and bad behavior of automatic control for water-level in the drum of boiler

etc.

the control system has been optimized by using OPT-K software package.The automatic setting of conventional PID and the state observor constructed by introducing up-to-date control theory make the putting-into-operation rate of automatic control system and its regulating quality to be remarkable enhanced

solving the problems of large water-level fluctuation in boiler drum

as well as large disturbance of steam temperature etc.

the putting-into-operation situation of coordinated control between turbines and boilers being good.

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