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zero crossing detection circuits to calculate the frequency of the 3 phase voltages And currents

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sandeep singh
sandeep singh on 12 Dec 2018
I am with Precision ADC group and we design parts for power grid infrastructures.Our customers used zero crossing detection circuits to calculate the frequency of the 3 phase voltages And currents, as well,Is there a typical waveform data library for 3 phase voltages and currents that I can test my design against?By calculating the phase difference between the voltage and current, they determine the power factor...Now my worry is that in a noisy environment the output of the zero crossing detection may not be accurate.

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