Sampling Techniques for Electric Power Measurement (Classic Reprint) - Softcover

Inhaltsangabe

Excerpt from Sampling Techniques for Electric Power Measurement

A system is described that determines average electric power by periodically sampling current and voltage waveforms and calculating the result from digitized values of measured instantaneous currents and voltages. System performance is modeled on a digital computer to investigate the effects of noise, harmonics and sampling time errors on the result of a simulated power measurement. With 15 bit analog-to - digital conversion and 512 measured sample points an accuracy of can theoretically be obtained from dc up to 5 khz.

Key Words: Analog - to - digital conversion; digital; electric power; electricity; measurement; sampling; simulation; watt meter.

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