The main vibration reason is considered to be thermal unbalance of generator rotor.
主要原因是由转子的热不平衡引起的。
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。
This paper describes the mechanism, causes and diagnosis of thermal unbalance. Cases introduced in this article have reference value for solving these faults.
本文论述了热不平衡机理、产生原因和诊断方法，文中实例对解决此类问题具有参考价值。
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.
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。
The difference of exhaust temperature is considered as thermal load unbalance among cylinders.
各气缸排气温度不相同，被认为是各气缸工作不平衡的反映。
The difference of exhaust temperature is considered as thermal load unbalance among cylinders.
各气缸排气温度不相同，被认为是各气缸工作不平衡的反映。
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