[SOLVED] Current Transformer (CT) Calculations ???

  • Thread starter Electronics Art
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Electronics Art

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ct calculations

Hi to all,

I want to measure an AC current.

My load is a refrigerator that you can see it's specifications in the below :
Line Voltage : 220 V
Normal Current : 2 ~ 3 A
Over Load current : 8 ~ 10 A

How to calculate the specifications of a CT ? Such as :
Np = ?
Ns = ?
Wire Size = ?
Core = ?
and etc.

Thanks a lot for your helps.
Saber
 

current transformer design calculation

You can start here

CT design software

Code: 
http://www.mag-inc.com/software/transformer.asp

look under general info here.

Code: 
http://www.mag-inc.com/library.asp

There is tons of info about CT';s on the net.Even just go to Digikey and search for current sensing and look at some of the manufacturers appnotes.
 

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