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mdrashid
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Join Date: Oct 2009
Posts: 4

How to Calculate CVT and CT Ratings

11/03/2009 11:49 AM

Hi,

I would like to know the formula to calculate the CT and CVT rating from 132 KV switchyard where 25MVA transformer is there.
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Re: How to Calculate CVT and CT Ratings

11/03/2009 3:22 PM

These will be based on the load (ie the metering that you are going to use it)

If your meter is 110V then put the CVT at 132000/110

and similarly do it for CT.
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Re: How to Calculate CVT and CT Ratings

11/03/2009 3:23 PM

BTW - do it under expert guidance- don't try to do it yourself- you are playing with explosive situation, and I am not sure you are qualified.
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