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dong fang 200m ji zu zhen dong yu zhou cheng shi wen chu xi
Author(s): 
Pages: 21-27
Year: Issue:  1
Journal: East China Electric Power

Keyword:  油膜振荡机组振动油膜失稳轴承振动超速试验接长轴轴系振动改进方向轴承油膜工作转速;
Abstract: <正> 徐州电厂先后投运三台东方200MW机组(~#5、~#6、~#7机)。出厂编号为第13、18、23台。三台机组在投产后出现汽机轴承振动大、发电机轴承油膜失隐的振动问题。经测试分析和改进后,机组的振动基本达到良好标准。~#7机组的油膜振荡已消除,~#5、~#6机组的油膜失稳问题亦有改善。本文介绍前一阶段的工作,分析机组轴系振动和油膜失稳的原因,提出进一步改进方向。
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