同时针对该电站水轮发电机组转子动不平衡现象，采用基于非线性转子动力学理论方法对机组动平衡进行了研究。
Rotor balancing of hydraulic power sets is studied by the nonlinear rotor-dynamics theory, the lots of factors are analyzed, and the geometry and mechanics models are created.
计算实例表明转子由不平衡量引起的振动得到了大幅度减少，达到了非线性支承转子动平衡的目的，效果良好。
The example shows that the vibration response caused by unbalance mass reduces greatly and the method developed in this paper is successful.
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