某电厂200MW汽轮发电机组突发性非线性振动的诊断及处理  

Diagnosis and Treatment on Nonlinear Abruptly Vibration of 200MW Turbogenerator

作　　者：叶长军[1] 

机构地区：[1]哈尔滨汽轮机厂有限责任公司,哈尔滨150046

出　　处：《汽轮机技术》2006年第1期61-62,共2页Turbine Technology

摘　　要：针对某发电厂200MW汽轮发电机组大修后试运过程中发生轴系突发性非线性失稳振动的诊断,探讨了影响该类机组稳定性的主要原因,深入阐述了汽轮机轴系非线性振动故障的机理,提出了消除汽轮发电机轴系非线性振动的对策。Through analysis and diagnosis on nonlinear abruptly vibration of 200MW turbogenerator, the main factors, which influence the stability of the machinery , are discussed. As some good results were obtained, theanalysis in this paper can be used as reference to the same type of unit.

关 键 词：汽轮发电机组 非线性振动 半速涡动 摩擦振动 故障诊断 

分 类 号：TK268.1[动力工程及工程热物理—动力机械及工程]