基于Matlab/Simulink动态建模的600MW机组给水全程控制系统优化  

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

作　　者：李卫华[1] 崔利[2] 康静秋[1] 杨振勇[1] 

机构地区：[1]华北电力科学研究院有限责任公司,北京100045 [2]西安热工研究院有限公司,陕西西安710032

出　　处：《热力发电》2009年第12期82-87,60,共7页Thermal Power Generation

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。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.

关 键 词：亚临界 600MW机组 MATLAB/SIMULINK软件 解耦 给水全程控制 汽包水位 给水旁路调节阀 电动给水泵 

分 类 号：TK323[动力工程及工程热物理—热能工程]