In preparing to take insulation resistance readings on a main generator, the windings should be grounded for about 15 minutes prior to the test. For w...

Question

In preparing to take insulation resistance readings on a main generator, the windings should be grounded for about 15 minutes prior to the test. For what reason should this be done?

Accepted Answer

release any residual capacitive charge from the windings

Engine 2014: Electricity

In preparing to take insulation resistance readings on a main generator, the windings should be grounded for about 15 minutes prior to the test. For what reason should this be done?

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