Can anyone explain me the operating principle of the megger
tester?( I just know that its diflection relates with the
ratio of currents of control & diflecting coil. I need more
information as breif as possible)
Answer Posted / jamshid al rahman
Check the strength of insulation.But if you perform the meggering for 10 minutes than you could calculate the polarization index(mostly done for the transformer)
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