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praveen2011
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Join Date: Jul 2011
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CT Ratio

07/27/2011 5:56 AM

what is the maximum measureable primary current of the CT 600/1 A
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PWSlack
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#1

Re: CT RATIO

07/27/2011 6:16 AM

At a guess, 600A.

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ershadmohamed
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#2
In reply to #1

Re: CT RATIO

07/27/2011 6:46 AM

its very difficult to answer the question.. because you didnt mention about the class of CT, and for which purpose u r going to use this CT..
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PWSlack
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#3
In reply to #2

Re: CT RATIO

07/27/2011 8:22 AM

Neither did the original poster!

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electricalexpert65
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#4

Re: CT Ratio

07/27/2011 9:27 AM

That depned supon the Instrument Security Factor (ISF) in case of Mesurement CTs and the Accuracy Limiting Factor (ALF) in case of Protection CTs.
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MJ Jordaan
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Join Date: Jul 2011
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#5

Re: CT Ratio

07/27/2011 1:38 PM

Hi

Your best measureble current of a CT is just before your CT saturation point eg:

A point were the voltage rises by 10% and the current rises by 50%...does that make sence to you...shout if it does not then I try again!!

Cheers
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electricalexpert65 (1); ershadmohamed (1); MJ Jordaan (1); PWSlack (2)

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