prakash soni


{ City } bilaspur
< Country > india
* Profession * sr enginrre
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Questions / { prakash soni }
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what is the clearances between phease to phease & phease to earth in 400 kv transmission line?

Lanco,

1 Electrical Engineering 3561



Answers / { prakash soni }

Question { 3699 }

How to design the earth grid for lightning protection in an
industry


Answer

1)Several lightining arrester is used at the top of towers
lightning mast ,& buildings.
2)shild or ground wires are used above transmission line.
Gound wires are also used above & throughout the sub
station .
3)40mm or 32mm Ms rod are placed to entire area of plant
with wealding joints.
All lighting arresters and ground wires are connected
through the MS gried.

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