浙江电力

2018, v.37;No.261(01) 82-85

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定子绕组端部绝缘施加直流电压试验在空冷发电机中的应用
Application of DC Voltage Test on Stator Winding Terminal Insulation in Air-Cooled Generators

王美树,金泱
WANG Meishu,JIN Yang

摘要(Abstract):

电位外移试验是传统高压试验的有效补充,该试验对空冷发电机组同样适用。通过详细介绍某发电厂空冷发电机非停事故后,在大修过程中应用电位外移试验的原因及其过程,论证了电位外移试验对空冷机组的适用性,并针对空冷发电机定子线棒端部绝缘质量把关提出了若干建议。
As an effective complement to traditional high voltage test, external electric potential measurement test can also be applied to air-cooled generators. By elaboration on the reason and process of external electric potential measurement test in overhauling after unscheduled shutdown of air-cooled generator in a power plant, the paper demonstrates that the test is applicable to air-cooled generators; besides, it brings forward some suggestions on insulation quality control of stator coil bar end of air-cooled generators.

关键词(KeyWords): 电位外移;空冷发电机;绝缘盒;绝缘隐患
external electric potential;air-cooled generator;insulation box;potential insulation hazard

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 王美树,金泱
WANG Meishu,JIN Yang

DOI: 10.19585/j.zjdl.201801017

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