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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 / sanjay
Neutral grounding is the method of connecting the neutral
point of system to the earth.
Like : Resistance earthing
Petersen coil earthingi.e. arc suppression coil
earthing.
Reactance earthing
It is required because if the neutral point is isolated at
that time during L-G fault the voltage of the remaining two
phase will be increased up to twice the normal voltage
which makes system unbalanced so to avoid this the neutral
grounding is required .
Neutral grounding resister is the resistor through which
the neutral of the system is connected to the ground.
| Is This Answer Correct ? | 39 Yes | 9 No |
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