Answer / sathiyamoorthy

earthing is used to fault conditions over current and
electrical equipment leakage current bypass to ground to
protect equipment this is earthing .
Neural grounding is used for star connection unbalance
condition time to balance the load and to reduce
harmonics

Answer / arun kumar

earthing is used for equipment protection while neutral grounding is for system protection.

Answer / 7anoter4

See:
http://control.com/thread/1026202024
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