某电厂1000MW机组通流改造后启机振动问题处理

Fault Analysis and Solution to Vibration of a 1000MW Steam Turbine-generator Unit after Transformation on Flow

通过对某1000MW汽轮发电机组轴系发生振动故障案例进行整理,归纳分析了机组启动运行过程中发生的典型振动问题,介绍了故障简况、振动特征、分析判断过程和现场处理方法,可为同类型机组振动问题的处理提供借鉴。

Based on the vibration fault case of a 1000MW steam turbine-generator unit in power plant,some typical vibration problem is summarized during the startup operation.The fault situation,vibration characteristics,fault diagnosis and solving process are all introduced,which can provide the reference for vibration solving of steam turbine-generator unit with the same type.