High speed power analyzer
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United States of America Patent
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Sep 29, 1992
Issued Date -
N/A
app pub date -
Dec 13, 1991
filing date -
Mar 30, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and apparatus for rapidly and continuously sampling AC voltage and current signals in a plurality of power distribution circuits. The sampled signals are then analyzed in a sine board computer to derive the number of fundamental electrical variables. These variables include frequency, RMS volts, RMS amps and a phase angular relationship between the voltage and currents in the system. The computer also performs calibration and compensation functions. From these fundamental variables, other useful parameters can be calculated such as watts, watt-hours, VARS, and power factor.
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