基于智能算法的火电机组启动优化控制技术  

Optimized Control Technology for Start-up Process of Thermal Power Units Based on Intelligent Algorithm

作　　者：朱晓星 寻新 陈厚涛 王志杰 王锡辉 彭梁 ZHU Xiaoxing;XUN Xin;CHEN Houtao;WANG Zhijie;WANG Xihui;PENG Liang(State Grid Hunan Electric Power Company Limited Research Institute,Changsha 410007,China;Hunan Province Key Laboratory of High Efficiency&Clean Thermal Power Technology,Changsha 410007,China;Hunan Xiangdian Test and Research Institute Company Limited,Changsha 410007,China)

机构地区：[1]国网湖南省电力有限公司电力科学研究院,湖南长沙410007 [2]高效清洁火力发电技术湖南省重点实验室,湖南长沙410007 [3]湖南省湘电试验研究院有限公司,湖南长沙410007

出　　处：《中国电力》2018年第10期43-48,共6页Electric Power

基　　金：湖南省科技创新平台与人才计划项目(2016TP1027);湖南省科技计划项目(2012GK3017)~~

摘　　要：基于机组启动前的设备状况等约束条件,通过混合整数线性规划算法实现了机组启动路径的智能规划;基于模糊数相似度风险分析方法,对汽轮机启动过程进行风险预估,实现了一种不依赖于热应力模型的汽轮机自启动控制方式,适用于各种主流汽轮机;采用仿人智能控制,提出了故障智能剔除方法、蒸汽管道自动暖管方法。应用表明,这些基于智能算法的控制技术,减轻了运行人员劳动强度,对火电机组启动过程起到了优化效果,整体提升了火电机组的智能化控制水平。Based on the constraint conditions such as equipment status before the start-up of unit,the intelligent planning for unit start-up path is realized by mixed integer linear programming algorithm.Using the risk analysis method based on similarity measure of fuzzy numbers,the risk is forecasted for the start-up process of steam turbine.Furthermore,the automatic start-up control method independent of the thermal stress model is realized,which is applicable to all kinds of mainstream steam turbines.Based on the human-simulated intelligent control method,the intelligent fault elimination method and the automatic pipe warm-up method are put forward.From these applications it is shown that the control technology based on intelligent algorithm can reduce the labor strength of the operators,improve the unit's start-up process,and enhance the intelligent control level of thermal power unit.

关 键 词：火电机组 智能算法 混合整数线性规划 模糊风险分析 汽轮机自启动 仿人智能控制 

分 类 号：TK323[动力工程及工程热物理—热能工程]