Method and apparatus for the measurement of alternating-current

Details Method and apparatus for the measurement of alternating-current Method and apparatus for the measurement of alternating-current

1977-09-26

1979-11-13

Rolinec, Rudolph V.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Polyphase

324 83A, 324142, G01R 2106, G01R 2500

Patent

active

041744993

ABSTRACT:
Disclosed is an apparatus and method for determining effective power and apparent power by multiplying voltage and current samples and algebraically summing the sample products to obtain effective power and level shifting the product signals to the level of the lower peaks of the envelope curve of the product signals which are proportional to the return power and algebraically summing the sample products to obtain apparent power.

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