适用于电网AGC指令频繁波动的锅炉主蒸汽温度控制策略  

Research on Boiler Main Steam Temperature Control Strategy Suitable for Frequent Fluctuation of AGC Command in Power Grid

作　　者：孔德奇 司瑞才 邓海涛 张立业 王强 刘乐 KONG Deqi;SI Ricai;DENG Haitao;ZHANG Liye;WANG Qiang;LIU Le(Benxi Thermal Power Branch of State Power Corporation Group,Northeast ElectricPower Co.,Ltd.,Benxi 117000,China;State Grid Jilin Electric Power Co.,Ltd.Electric Power Research Institute»Changchun 130021,China)

机构地区：[1]国家电投集团东北电力有限公司本溪热电分公司,辽宁本溪117000 [2]国网吉林省电力有限公司电力科学研究院,长春130021

出　　处：《吉林电力》2020年第5期40-42,共3页Jilin Electric Power

摘　　要：针对火电机组主蒸汽温度调节品质变差,影响机组安全性的问题,采用副比例-积分-微分(PID)设定值自适应控制逻辑与防主蒸汽温度超调的减温水喷射逻辑方案,该方案在某电厂成功应用,主蒸汽温度的控制指标良好,满足规程DL/T 657-2015《火力发电厂模拟量控制系统验收测试规程》及机组运行的要求。Aiming at the problem that the quality of main steam temperature regulation of thermal power unit becomes worse»which affects the safety of the unit.In this paper»the sub PID set value adaptive control logic and desuperheating water injection logic scheme to prevent main steam temperature overshoot are adopted.The scheme has been successfully applied in a power plant,and the control index of main steam temperature is good,which meets the requirements of code DL/T 657—2015 Code for Acceptance Test of Modulating Control System in Fossil Fuel Power Plant and unit operation.

关 键 词：自动发电控制 主蒸汽温度 自适应控制 超温 

分 类 号：TM621[电气工程—电力系统及自动化]