The torque tube unbalance of turboshaft power turbine rotor is investigated and a test method for estimating the unbalance is introduced with high speed dynamic balance test.
对涡轴发动机动力涡轮转子测扭基准轴的不平衡量进行了研究，提出了一种通过高速动平衡试验估算出测扭基准轴不平衡量的试验方法。
The test shows that the balance of three phase powers is better and each phase of power factor is higher.
试验表明，三相功率平衡较好，各相功率因数较高。
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