水轮发电机组振动的计算分析

Computational Analysis of the Transverse Self-Oscillation Characteristic of Shaft System of Hong Shi Hydrogenerator Set

对水轮发电机组轴系统的横向振动的自振特性进行了分析，采用考虑陀螺效应的有限元法，引入了计算模型，给出了计算公式与计算方法。计算了红石水电站轴系统的横向自振特性，分析了产生振动的原因。

In this paper, the transverse self-oscillation characteristic of hydrogenerator set is discussed.Finite element method with consideration of gyroscopic effect is used in this paper.calculating model is introduced, calculating equation and Calculating method are given here. The transverse self-oscillation characteristec of shaft system of the Hong Shi hydropenerator set the in Ji Lin province is computed.The cause of the vibration of this hydrogenerator set is analyzed.