某300 MW汽轮机抽汽逆止门关闭时间超标原因分析及优化建议  

Analysis and Optimization Suggestion on Shutting Down Time Exceeding Standard of Extraction Check Valve for 300 MW Turbine

作　　者：刘朋 梁绪 Liu Peng;Liang Xu(Huadian Electric Power Research Institute Co.,Ltd.,Hangzhou,China)

机构地区：[1]华电电力科学研究院有限公司,浙江杭州

出　　处：《科学技术创新》2023年第23期80-83,共4页Scientific and Technological Innovation

摘　　要：文章介绍了某300 MW汽轮机抽汽逆止门关闭时间测试情况,通过分析发现抽汽逆止门关闭时间超标的主要原因是控制系统延迟时间过长,并针对控制系统逻辑提出优化建议,能够有效缩短各段抽汽逆止门关闭延迟时间,对同类型汽轮机抽汽逆止门关闭时间超标的原因分析和处理具有借鉴意义。This article introduces the shutting down time test of a 300 MW turbine Extraction check valve.Through the analysis,it is found that the main reason for the over-standard shutting down time of the extraction check valve is the excessive delay time of the control system.Optimization suggestions for control system logic are proposed,which can effectively shorten the closing delay time of the extraction check valve.It can be used for reference to the cause analysis and treatment of the over-standard closing time of the extraction backstop of the same type steam turbine.

关 键 词：抽汽逆止门 关闭时间 原因分析 优化建议 

分 类 号：TM621[电气工程—电力系统及自动化]