Power Factor Measure Circuit

Published:2011/5/20 18:49:00 Author:leo | Keyword: Power Factor Measure Circuit, CD4066 | From:SeekIC

The picture is a power factor measure circuit. Power factor is used to show the phase relationship between voltage and electronic current. In the circuit, the voltage of T1 secondary 4 to 6 is used as the DC voltage sample and the secondary current of current transformer is used as the current sample. The current sample signal is amplified through A1 to control the analog switch CD4066 and takes effect with voltage sample, and then positive and negative DC voltages are generated.



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