When you are making a high potential test on a pie
When you are making a high potential test on a piece of repaired electrical machinery, a rise in leakage current indicates _______.
A.good insulation
B.bad insulation
C.high insulation power factor
D.a high slot discharge factor
请帮忙给出正确答案和分析，谢谢！
参考解答
427***779
2024-06-14 19:56:14
正确答案：B
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