Abstract: Taking the ground fault of stator winding of 50 MW dua l internal water cooler turbo-generator for example, the diagnosis method for ground fault of ge nerator stator winding is discussed.

• 摘要：以诊断一台50MW双水内冷汽轮发电机定子绕组接地故障为例，探讨发电机定子绕组接地故障的诊断方法。