Answer / ravi

To keep the neutral stable in case of unbalanced loads, to
nullify the 3rd harmonic currents in the windings by
carrying to them to ground

Answer / sinod kumar

to provide a path for odd harmonics(mainly 3rd &
5th)component of magnetizing current to get sinusoidal flux
and undistorted emf.

Answer / kartikesh

To provide a path to ground to winding harmonic rrent
generated due to unbalanced load ,to nulified the 3rd
hamonic current it should be grounded

Answer / ajit

To stabilise the neutral current .To minimise the earth
fault current.For harmonic supression.

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