When you are making a high potential test on a piece of repaired electrical machinery, a rise in leakage current indicates _______.A.good insulationB.bad insulationC.high insulation power factorD.a high slot discharge factor
题目
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
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