Distributed current and voltage sampling function for an electric power monitoring unit
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United States of America Patent
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Nov 29, 1994
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app pub date -
Jun 8, 1993
filing date -
Aug 30, 1991
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Abstract
A low voltage AC electric power monitoring system includes a processor which samples the current and circuit breaker system includes a processor which samples each of the current components at seventeen samples per cycle to obtain current samples representing a single period of the AC power signal. The processor samples the voltage component at different points in the voltage cycle over several cycles to obtain voltage samples representing a single period of the AC power signal.
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