Abstract

comparison of the classical approach using a harmonic signal with the approach of a periodic square wave signal in the first (main) harmonic of the calibration voltage of the electrical power quality analyzers is suggested. The results presented using both approaches for calibrating a Fluke 435 power quality analyzer through a Metrix CX1651 calibrator, provide a quantitative estimate of the degree of equivalence of calibration by both approaches. Evaluation and comparison of the obtained experimental results shows applicability of the approach with a periodic square wave signal of the calibration of power quality analyzers by harmonic voltage in the metrological practice.

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