50MW汽轮机机组振动分析及处理

Analyses on abnormal vibration of 50 MW steam turbo-generator unit and solution of the trouble

通过对50 MW汽轮发电机组轴系振动的原因分析,查明振动是由于轴承座刚度及转子质量动不平衡引起,并采取有效措施取得良好的效果。

By analyzing the origin of the shaft vibration of 50 MW turbine generator,it＇s identified that the vibration arises from the imbalance between the quality of bearing stiffness and rotor dynamic.To solve the problem appropriate effective measures have taken and good results achieved accordingly.