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Computer-Controlled System for Calibrating High-Voltage Revenue Metering Equipment Under Actual Operating Conditions

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4 Author(s)
So, E. ; Inst. for Nat. Meas. Stand., Nat. Res. Council of Canada, Ottawa, ON, Canada ; Arseneau, R. ; Bennett, D. ; Frigault, M.E.

The development of a computer-controlled current-comparator-based test system for calibrating high-voltage revenue metering equipment under actual operating conditions of high voltage/high current with sinusoidal or nonsinusoidal voltage and current waveforms is described. Measurements can be made at any power factor from zero lead or lag through unity, at line-to-ground voltages up to 100 kV and currents up to 2000 A. The magnitude and phase uncertainties (k = 2) of the new calibration system are estimated to be not more than 100 μW/VA and 100 μrad, and 200 μW/VA and 200 μrad for sinusoidal and nonsinusoidal conditions, respectively. The calibration system can be used in the laboratory or on-site in high-voltage substations.

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Instrumentation and Measurement, IEEE Transactions on  (Volume:60 ,  Issue: 7 )