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ershadmohamed
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Join Date: Jul 2011
Posts: 8

REF Stability Testing for Delta/Star Transformer?

08/11/2011 10:38 AM

Can anyone tell how to do single phase stability for REF in secondary side of the Transformer?
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PWSlack
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United Kingdom - Member - Indeterminate Engineering Fields - Control Engineering - New Member

Join Date: Jan 2007
Location: In the bothy, 7 chains down the line from Dodman's Lane level crossing, in the nation formerly known as Great Britain. Kettle's on.
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#1

Re: REF Stability Testing for Delta/Star Transformer?

08/12/2011 4:09 AM

Someone with the correct training could.

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electricalexpert65
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Join Date: Oct 2009
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#2

Re: REF Stability Testing for Delta/Star Transformer?

08/17/2011 10:14 AM

You mean, by primary injection?
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ershadmohamed
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Join Date: Jul 2011
Posts: 8
#3
In reply to #2

Re: REF Stability Testing for Delta/Star Transformer?

08/17/2011 11:45 AM

no.. is it possible to do by main supply with both voltage and current?
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electricalexpert65
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#4
In reply to #3

Re: REF Stability Testing for Delta/Star Transformer?

08/17/2011 7:46 PM

You mean , by creating a phase-to-earth short circuit fault after the REF CT Location on the Line side? I would not advocate that, for it could be dangerous, as full votage is now available for the fault and it could create havoc. There are low voltage, high current injection test kits available for conducting these kinds of tests.
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electricalexpert65 (2); ershadmohamed (1); PWSlack (1)

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