某台600MW汽轮机叶片静频测试及振动安全性分析  

Static Frequency Test and Vibration Safety Analysis of a 600 MW Steam Turbine Blade

作　　者：倪秋华 高伟[1] 张华芳[1] 刘勇[1] NI Qiuhua;GAO Wei;ZHANG Huafang;LIU Yong(Suzhou Nuclear Power Research Institute,Suzhou 215004,China)

机构地区：[1]苏州热工研究院有限公司,江苏苏州215004

出　　处：《机械工程师》2019年第2期28-30,33,共4页Mechanical Engineer

摘　　要：某电厂一台CLN600型汽轮机组检修期间,利用振动及动态信号采集分析系统CRAS对其末三级叶片(组)进行现场静频率测试,并进行了叶片振动安全性分析。测试结果表明,该机组末三级叶片(组)可在工作转速下安全稳定运行。During the overhaul of a CLN600 steam turbine unit in a power plant,the vibration and dynamic signal acquisition and analysis system CRAS is used to perform on-site static frequency test on the last three stages of the blade(group).The blade vibration safety analysis is carried out.The test results show that the last three stages of the unit(group)can operate safely and stably at the working speed.

关 键 词：汽轮机 叶片 静频率 测试 安全性 

分 类 号：TK263[动力工程及工程热物理—动力机械及工程]