Electronic watt/var transducer

Details Electronic watt/var transducer Electronic watt/var transducer

G - Physics

01

R

324/70

G01R 21/06 (2006.01) G01R 21/127 (2006.01)

Patent

CA 1199070

ELECTRONIC WATT/VAR TRANSDUCER Abstract of the Invention A watt/var transducer utilizing the pulse width-pulse height modulation type of multiplying scheme wherein a stable squarewave is generated by switching from one reference voltage to another reference voltage, the output thereof is integrated to produce a stable triangular wave output, the gain of which can be simply adjusted by shorting the output of amplifying means to various points in a resistive means contained in feedback means from the output to the input of said amplifying means. The frequency of the triangular wave output is high relative to any alternating signal which may pass upon the power line to be monitored by the transducer such that those portions of said alternating signal sampled by the multiplier portion of the transducer appear to be non-alternating signals thereby rendering the transducer capable of multiplying alternating signals as well as non-alternating signals.

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