半挠性联轴器引起的N+1轴系振动问题治理  

Treatment of N+1 Shafting Vibration Problems Caused by Semi-flexible Couplings

作　　者：李立波 LI Li-bo(Datang Northeast Electric Power Test Institute,Changchun 130012,China)

机构地区：[1]大唐东北电力试验研究院,长春130012

出　　处：《汽轮机技术》2022年第4期299-301,共3页Turbine Technology

摘　　要：针对某带半挠性联轴器的三缸两排汽机组轴系振动问题,通过多年的跟踪分析和治理,彻底解决了该类型机组3号瓦和5号瓦轴振大问题,并在4台同类型机组上进行了实践,治理后各瓦的振动幅值均控制在优秀水平,该方法可为今后其它类似故障的处理提供参考和借鉴。This paper expounds the vibration problem of the three-cylinder two-row Steam Turbine unit with semi-flexible coupling,it thoroughly solves the large vibration problems of the No.3 and No.5 shafts of this type of turbine unit through years of follow-up analysis and treatment,the vibration amplitude is controlled at an excellent level,which can be used as a reference for other similar turbine in the future.

关 键 词：汽轮发电机组 N+1 半挠性联轴器 振动 

分 类 号：TK268.1[动力工程及工程热物理—动力机械及工程]