Answer / sundram saini

DG Netrual is earth for for Alternator protection because
practical load current difference always on always on all
phases so unwanted current goes to earth and safe the
alternator winding

Answer / r.kannan

1.main purpose to balaning voltage,
2.To protech alternator from fault

Answer / r.panneer selvam

To obtaine the 3 phase 4 wire supply,the 3 windings of an
alternator is star connected and the same is earthed to
protect the alternator from short circuits as well as to
feed the neutral wire to the feeder distribution

Answer / ram niveth

to sense the earth fault

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