文章回顾总结了国内外火电机组振动故障诊断的发展状况，指出了目前振动故障诊断研究存在的问题及确定故障诊断知识范围、进行机组轴系传递特性研究的重要性，对大型火电机组振动及性能远程诊断系统进行了介绍，最后指出了振动故障诊断的发展方向。

This paper describes the development of vibration fault diagnosis for steam turbines being used in power plant. The problems of vibration fault diagnosis research work are also pointed out. Importance to knowledge scope of diagnosis and the research of the amplitude and phase transfer characteristic are put forward. System of performance and vibration remote monitoring and diagnosis for large-scale steam turbine sets is introduced. Finally, this paper presents the develop trends of vibration fault diagnosis for steam turbines