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Richard Matsiko
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Join Date: Jun 2015
Posts: 49

Current Transformer Composite Error Determination

12/08/2016 8:11 PM

Hello CR4 team,

I would like to understand better how a current transformer composite error is calculated/determined.

Thanks
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lyn
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Join Date: Oct 2008
Posts: 42355
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#1

Re: Current transformer composite error determination

12/08/2016 8:27 PM

There's an amazing thing here.

It's the internet.

It is a useful tool.

Electronics Basics: What You Need to Know about Transformers ...

Calculation of the Current Transformer Accuracy Limit Factor - ABB

Current Transformer CT class Ratio Error Phase Angle Error in Current ..
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StandardsGuy
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Popular Science - Cosmology - Let's keep knowledge expanding Engineering Fields - Retired Engineers / Mentors - Hobbies - HAM Radio - New Member

Join Date: Dec 2006
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#2

Re: Current Transformer Composite Error Determination

12/10/2016 10:31 AM

Since current is the same in a series circuit, you could put it in series with a calibrated shunt and compare it to that. You would still need to consider loading.

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