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Analysis and Treatment of Abnormal Leakage Current of Generator Phase B and C
Author(s): 
Pages: 37-38
Year: Issue:  1
Journal: Guangxi Electric Power

Keyword:  发电机预防性试验定子电流缺陷处理;
Abstract: 在检查发电机的绝缘状况,进行直流耐压试验时发现B、C相泄漏电流试验数据不合格.通过检查发现,发电机B相出线水电连接头有渗漏,进行手包绝缘处理,在进行表面电位试验及水压试验时再次发现B相水电连接头头部及C相水电连接头头部有渗漏.全部更换老化的水电接头胶垫,焊接C相连接头端部漏点处理后正常.总结分析了T255-46型330 MW发电机发生此类问题的因素,并提出预防该类问题发生的建议.
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