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channa
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Join Date: Oct 2010
Location: pakistan
Posts: 2

Life of Transformer's Oil

10/17/2010 6:24 AM

can any one tell me the exact life time of transfiormer's oil? if it losses the dielectric strength then what appropriate method should adopt???????

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TonyS
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Join Date: Aug 2010
Location: Resting under the Major Oak
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#1

Re: life of transformer's oil

10/17/2010 7:08 AM

An exact lifetime can't be given, as the conditions of every situation are different. Testing the dielectric strength & contamination on a periodic time scale will give you an indication as to the action required.

Your local supplier of the oil will probably have on site filtration equipment, much cheaper than replacement. With replacement the oil will be sent for recycling, so at some time in the future you'll be buying your own oil back.

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channa
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Join Date: Oct 2010
Location: pakistan
Posts: 2
#2
In reply to #1

Re: life of transformer's oil

10/18/2010 5:19 AM

mostly we heat up the transformer's oil for increasing dielectrical strength? is that method is valid and if yes then what are the limitations of temperature and dielectric strength????

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sridharganasen
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Join Date: Oct 2009
Posts: 47
#3

Re: Life of Transformer's Oil

10/18/2010 8:53 AM

There is no life limitation for Transformer oil. This is related to Oil contamination/corruption i.e no.of. fault current,Load,moisture etc.
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