Energy Consumption Monitor Circuit

Posted on Sep 24, 2012

The ECM circuit consists of four sections, as shown in the block diagram. A power converter generates a voltage that is proportional to the true of real power consumed by the load. That voltage feeds both a bargraph and a voltage-to-pulse converter. The bargraph gives an approximate indication of the amount of power used, and the voltage-to-pulse converter produces a pulse whose frequency is proportional to the power. The pulse triggers the counter module,

Energy Consumption Monitor Circuit
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which displays the cost of powering the monitored load.

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