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Anonymous Poster #1

Oil Filteration of Transformer

11/02/2011 10:24 PM

Can we filter the oil of transformer online ? If yes , then tell of which protection to be bypassed . Wheather this online filteraton is safety or not ?
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pnaban
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#1

Re: Oil Filteration of Transformer

11/02/2011 11:27 PM

Do you mean filtering transformer oil while transformer is energised?. Yes. I have seen a utility doing it. They switched off for a few minutes to connect the equipment and switched the transformer on while oil is being warmed,filtered and circulated. I believe only Buchholtz relay was by-passed.

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fixitorelse
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Re: Oil Filteration of Transformer

11/03/2011 6:45 AM

If your asking the question you must not have expertise enough to do this type of work. If your oil testing shows filtering is needed at this time, I would suggest one of the many company's that have expertise to complete this job safely. They will advise you of procedures they follow.
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