The on line monitoring of partial discharge is an effective approach for diagnosing the faults of stator winding insulations in HV rotating electrical machines.
局部放电在线监测是诊断高压电机定子绕组绝缘故障的有效方法之一。
The stator end-winding support of HV AC motor exists weakness leading to electric break-down.
高压交流电机定子绕组端部固定存在薄弱环节，会引起绕组端部电击穿。
Accident -easons of winding turn-to-turn insulation in a Hv motor are analyzed, protection measures and accident inspection methods are discussed.
论述了高压电机绕阻匝间绝缘故障发生原因，保护措施以及故障检测手段等，提出了提高匝问绝缘可靠性的办法。
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