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Current transformer polarity and power flow
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May30-11, 02:52 PM
i need to know , does the polarity of the current transformer affects the power measurements in AC systems, and if it does , how it affects the power measurements knowing that in measuring power we use the RMS values
anybody have any idea about this ??
that's to say , if you have a 2000 Amps line and it is three phase line
you connect 3 CTs on each phase ratio 2000/5 then you connect the CT to ammeter which is calibrated to give full scale (2000A) at 5 A
if we connect a KWH meter instead of the ammeter , is polarity important ?
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