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what is neutral grounding? why is it required? what is
neutral grounding resistor and how is its value calculated??
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Answer Posted / sophia
neutral grounding or earthing is connecting the neutral point to ground.
Advantages of Neutral Earthing:-
 Connecting the neutral of an electrical system to earth has following
advantages.
 Arcing grounds are eliminated.
 Voltage of healthy phases with respect to earth does not rise √3 times to
normal value.
 Insulation is prevented from stress of high surge voltage and hence
provides long life to insulation & equipment.
 Stable neutral point.
 Earth fault relay function becomes simple & reliable.
 Greater safety to personnel & equip
neutral grounding resistor is the resistor through which neutral is grounded.
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