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Impact of harmonic current on energy meter calibration

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3 Author(s)
Edwards, S. ; Radian Res. Inc., Lafayette, IN, USA ; Bobick, D. ; Weinzierl, S.

This paper compares and contrasts different methods to quantify VAR (Voltage-Amps-Reactive, or reactive power) for single and polyphase energy meters. The results for the different methods will be compared in the presence of different realistic harmonic content scenarios, with sometimes a 30x difference seen in results between the methods. By understanding the differences between VAR methodologies in the presence of harmonics, we can take the next steps towards metrology consensus and standardization on how to measure and calculate them.

Published in:

Energytech, 2011 IEEE

Date of Conference:

25-26 May 2011