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CTs performance

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swiminelectricity

swiminelectricity

Electrical
Joined
Mar 8, 2005
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33
Location
CA
Hi,
I am new to this forum. But I found it is very helpful.
It is like a classroom where we can discuss and get answers from teachers.

Today, I have another question. I am reading through IEEE buff book. On page 126,127, it says :Device1 146VA at 40A at 52.4'.device2 realy instantaneous unit: 40VA at 40A AT 78.5.
i am not sure where those values are from.Thanks in advance.
 
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The reason I am askinh this question is, I found the degree values I got from the power factors are slightly larger than those used on Page 126,127.
 
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