Answer / kj

If due to age or exposure to moisture have caused the
insulation to be lower than normal it can be fixed in most
cases.

The process is to use a solvent which does not harm the
varnish to wash the windings of all dirt. Next bake the
windings in an oven to dry out any moisture. Next
revarnicsh the windings.

Answer / saurabh awasthi

Give 24 V or 110 V DC supply to motor (which is safe for moyor winding) and after few hours IR will improve..

two bolbs of 100w and 40w respectively connected in series across a 230v supply.which bolb will glow bright and why?

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defination of a.c filter

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what will be the effect on a bulb in case its connetion is change from live and neutral to live and ground??? 1) in case of single phase AC supply 2) in case of DC supply.......???

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How we detect the leakage current of 11 KV H.T. motors and waht is the maximim limit?

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Explain Need of a starter in a dc motor.? Also explain any two starting and speed control method of dc motor?

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If we give 2334 A, 540V on Primary side of 1.125 MVA step up transformer, then what will be the Secondary Current, If Secondary Voltage=11 KV?

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How would you supply a single house hold load from a 3-phase supply coming out of a sub-station?

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