Answer / m.g. manjunath

Neutral earthing is used as the return path for static
equipments like transformers. While unearthed systems are
systems where you have higher insulation level

Answer / gunasekaran

if it is balance or receiving end we don't want earth it
because source end already earthed.if it is source end
neutral should be earthed why because earth fault current
getting closed bath we can using earth fault protection if
it is high voltage system with out neutral earthing
resonance will be occur so we have do to the earthing at one
end

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