The paper a applied method, which can determine the position of rotor rum short-circuit point for large turbo generator easily and reliably.
介绍了一种确定大型汽轮发电机转子匝间短路点位置的方法，该方法简单快捷、实用可靠。
2
Based on the analysis of AC impedance and two poles voltage test data, the reason of turn - to - turn shortcircuit fault caused by having copper dregs in generator rotor winding was found.
基于交流阻抗和两极电压试验数据的分析，发现发电机转子绕组因存在铜渣而造成匝间短路故障的原因。
3
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.