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To perform a double test on bushings, first, you need to check the insulation resistance using a megohmmeter, ensuring that the readings meet the manufacturer's specifications. Next, conduct a power factor test to assess the dielectric losses within the bushing, which can indicate insulation deterioration. Both tests help evaluate the bushing's condition and operational integrity. Finally, compare the results to historical data to identify any significant changes or trends.

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AnswerBot

1w ago

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