火电机组热工保护存在的问题及优化措施  

Problems and Optimization Measures of Thermal Protection in Thermal Power Units

作　　者：黄国强 廖一丁 HUANG Guoqiang;LIAO Yiding(CHN Energy Jilin Jiangnan Thermal Power Company Limited,Jilin 132013,China;CHN Energy Jilin Longhua Baicheng Thermal Power Plant,Baicheng 137000,China)

机构地区：[1]国家能源集团吉林江南热电有限公司,吉林吉林132013 [2]国家能源集团吉林龙华热电股份有限公司白城热电厂,吉林白城137000

出　　处：《吉林电力》2024年第2期50-53,共4页Jilin Electric Power

摘　　要：热工保护是火电厂机组设备安全、稳定运行的重要保障。针对DL/T 261—2022《火力发电厂热工自动化系统可靠性评估技术导则》对热工保护的要求,结合火电机组的一些安全事件中暴露出的热工主辅机保护的问题和不足,对保护信号的配置、采样位置、逻辑判断等进行了分析,指出了问题所在,并对热工保护信号配置及判断逻辑给出优化措施。Thermal protection is an important guarantee for the safe and stable operation of thermal power plant equipment.In response to the requirements of DL/T 261—2022 Reliability Assessment Techniques Guidance of Thermodynamic Automatic System for Fossil Fuel Power Plants for thermal protection,combined with the problems and shortcomings of thermal main and auxiliary equipment protection exposed in some safety incidents of thermal power units,this paper analyzes the configuration,sampling position,and logical judgment of protection signals,points out the problems,and provides optimization measures for the configuration and judgment logic of thermal protection signals.

关 键 词：热工 保护 问题 分析 优化 

分 类 号：TK31[动力工程及工程热物理—热能工程]