where this neutral connection goes after returning from the
load(home ,factory,industries).Is it grounded at the
transformer side or atthe generator side .If it is grounded
then we also ground the earth connection.is there any
problem with this.

Answer Posted / beaconguru@gmail.com

Transformer secondary side neutral is earthed.if unbalanced load condition residual return current only goes to earth it's a safest one actually.In basic ground is the very low impedance path compare to your earth rod.current always choose low resistive path.so it's not possible to return feed current flow from ground to equipment.

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