Answer / karthik

ITS because of improper earthing.proper earthig to be
done.minimum voltage is 6v

Answer / s c budhiraja

It due to unbalace loads in the three phases.The limitof
voltage between earth and neutral is 2 volts for computers
to work properly.

Answer / saleem

It due to unbalace loads in the three phases.The limitof
voltage between earth and neutral is 2 volts.

To minimize the volt b/n neutral and earth we have to
balance the neutral current.
Neutral current should be minimun.

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