How many earthing pits required for diesel generator set ? Why ?
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Answer Posted / venkatesh
For a single DG set, 4 earthpits will be required - 2 for
body & 2 for neutral.Suppose you have 3 DG sets then 12
earthpits will be required - 6 for body earthing of all
three DGs (2 for each DG) & 6 for neutral (2 for each DG).
The two earthpits for body shall be in grid. The two
earthpits for neutral of a DG shall also be in grid, but
earthpits for neutral of different DGs shall not be in grid.
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