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why earthing is not required on transformer prymary winding
side ???

Answer Posted / lokeshraj

A power t/f is delta/ star type. Delta side can not be
earthed even there is no need to make in earth as f the
secondary is earthed there will be no or very less fault
current. So the primary will also be safe as no change in
secondary current means no change in primary..

Please post you feedback..

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