Answer / 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)

What is meant by soft starter used in motors?

4 Answers  

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Pl. share your experience about industrial-electronics repair of machine tool.

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How can we prevent the (Home)inverter supply flow to the main supply line?

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What is PTZ Camera???

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when transformer oil should be filtered/tested?

3 Answers  

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how to find the 2500 KVA transformer rated primary and secondary volt and current?

4 Answers  

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