Answer / sethar12

General rule is 1 MOhm/kV + 1, so for 132kV side
transformer, megger value must be at least 133MOhm.

Answer / haikal

As general rule in using megger is 1 MOhm/kV, so minimum
value is 132 MOhm.

Answer / c. devadas

132 x 2 Meg.Ohm at 70 degree celsius. Every reduction of 10
deg.C will double the insulation value.

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