When measuring the Insulation resistance of a motor winding
(winding to earth) using a megger meter, Applied
voltage(1000V) was automatically reduced to 500V. and the
measured insulation resistance values are also very low (in
Kohm range) Can anyone give me a reason???
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Answer Posted / raghavendran.r
The reason for the fall in supply voltage could be because of the fact Insulation has started conducting heavily as mentioned that insulation resistance is also poor.
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