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satnat.2008
Associate

Join Date: Oct 2011
Posts: 34

Difference Between Oil Soak Pit and Oil Burn Pit

10/21/2011 1:37 AM

Can any body explain me the difference between oil soak pit and oil burn pit ?

what is the pipe material which has to be used ?

What is the dia of pipe for per MVA of trafo ?
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mountk2
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Join Date: Jun 2010
Posts: 348
Good Answers: 10
#1

Re: Difference Between Oil Soak Pit and Oil Burn Pit

10/22/2011 2:00 AM

No such thing as burn pit, you have to provide a pit for the collection of oil in case the oil leaks from the tank. There is no hard and fast rule for the drain pipe, select one which is adequate in consideration of the fact that accumulated oil is a fire risk.

Pit is not always practiced, an open tank filled with gravel serves the purpose it has a set of heavy duty channels to support the weight of the transformer.

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satnat.2008
Associate

Join Date: Oct 2011
Posts: 34
#3
In reply to #1

Re: Difference Between Oil Soak Pit and Oil Burn Pit

10/24/2011 4:03 AM

Thanks for the reply,

so we need to consider collection pit as well as soak pit for power transformer . am i right .
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nesubra
Guru

Join Date: Nov 2006
Posts: 729
Good Answers: 2
#2

Re: Difference Between Oil Soak Pit and Oil Burn Pit

10/22/2011 4:16 AM

Soak pit is the space below the transformer filled with gravel and which takes care of leakages.Oil pit is a Pit located away from the transformer having a valve ( normally 2 the valve in the transformer drain pipe is retained and one is provided at the end of the pipe.The valve near the pit is kept closed and the drain valve is kept open .The pipe will be filled with oil.In the event of a fire the oil is drained by opening the valve.Since it will be difficult to go near the transformer the valve is provided at the end of the drain pipe.The pipe can be of MS .Depending upon the oil content suitable size has to be selected so that in an emergency oil can be drained quickly.Normally these are used on power transformers of capacity 10MVA and above.

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MAfzal
Active Contributor

Join Date: Sep 2012
Location: Pakistan
Posts: 17
#4

Re: Difference Between Oil Soak Pit and Oil Burn Pit

07/22/2013 4:20 AM

Oil soak pit for draining Trafo oil Leaks.

What is the standard the depth of such a pit? Anyone has any information on that?
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MAfzal (1); mountk2 (1); nesubra (1); satnat.2008 (1)

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