认为突发性振动原因是运行中转子的油膜涡动和匝间短路、线圈膨胀受阻等引起的热不平衡。
It is concluded that the causes of sudden vibration are oil film whirl and thermal unbalance of generator rotor resulting from interturn short-circuit and hindered winding expansion etc.
热不平衡是汽轮发电机常见，且较难消除的振动故障之一。
Thermal unbalance is one of frequently and difficultly to treat vibration on turbogenerators.
热不平衡是汽轮发电机常见，且较难消除的振动故障之一。
Thermal unbalance is one of frequently and difficultly to treat vibration on turbogenerators.
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