Answer / ankur bisen

For a single DG set, 4 earthpits will be required - 2 for
body & 2 for neutral. Suppose you have 3 DG sets then 8
earthpits will be required - 2 for body earthing of all
three DGs & 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.

Answer / s.madhavan

A DG set need 4 earth stations ( pits ) Two for neutral and two for body. They should be atleast 3 mtrs apart. two neutral station s are to be connected in grid and similarly two body earth station to be connected in grid.

When two are more Dg sets are running in parallel neutral pits of only one genset ( biggest ) are used. Neutral pits of other Dg sets are disconnected. The Body earths of all Dg sets will be as it is.

Answer / 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.

Answer / daljit

d.g set require two eartpit for d.g neutral and 2nd for
body earth.

Answer / sanjay kumar

According to Indian Std. DG Set Should have four Earthing
Pits Each Should have Separate Copper Plate Accoring to Std.

-Run two properly sized Copper or GI Earthing Conductors
from the Neutral Bushing/Terminal of the DG Set's
Alternator and connect one each to the two neutral earth
pits. Similarly, the alternator will have two earthing
terminal on its body (at diagonally opposite ends); Run two
properly sized Copper or GI Earthing Conductors from these
body earthing terminals of the DG Set's Alternator and
connect one each to the two body earth pits.

Answer / mistryhardik89

According to Indian Std. DG Set Should have four Earthing
Pits Each Should have Separate Copper Plate Accoring to Std.

-Run two properly sized Copper or GI Earthing Conductors
from the Neutral Bushing/Terminal of the DG Set's
Alternator and connect one each to the two neutral earth
pits. Similarly, the alternator will have two earthing
terminal on its body (at diagonally opposite ends); Run two
properly sized Copper or GI Earthing Conductors from these
body earthing terminals of the DG Set's Alternator and
connect one each to the two body earth pits. But, you MUST
inter-connect all these four (two neutral and the two body)
earth pits by properly sized Copper or GI Earthing
Conductor.

Answer / zexer

bcoz my mum didn't study engineering or related
how could she know newton (true? )

Answer / vishal

2, one for DG internal and another for DG body

Answer / balachandar

For higher rating of DG set, four earth bits are
required.Three earth bit is for Body earthing
(Engine,Alternator,acoustic) and one earth bit is for
neutral earthing.(I'm not sure)

Answer / s.gupta

FOR C.T. DIESEL GENERATOR , ITS 2 EARTH CONNECTION REQUIRED .
BCOZ OF ONE FOR DIRECT EARTHING PLANNING & THE OTHER ONE FOR
BODY CURRENT DISTRIBUTION.

BY, DR. S.GUPTA (M.TECH IN MECH. ENGG.)

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