Answer / pradhyumn

Synchronous motors draws leading current from the source,
while the inductive loads draws the lagging current. So
synchronous motor improves the P.F. by balancing the
reactive power needed by inductive load.

Answer / k.prakashchandra

It draws capacitive current from the system.

When charging a 20 MVA , 33kV/6.6kV transformer through regulated (0-6.6 kV or 0-33 kV) source on no load , what will be the maximum current drawn by transformer from source and what sould be the source capacity.

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what is the difference between relay, contactor

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