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METHOD AND SYSTEM FOR MEASURING, MONITORING AND CONTROLLING ELECTRICAL POWER CONSUMPTION

  • US 20110266869A1
  • Filed: 06/14/2010
  • Published: 11/03/2011
  • Est. Priority Date: 04/30/2010
  • Status: Active Grant
First Claim
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1. A system for measuring, monitoring and controlling electrical power directed through one or more electricity directing devices, wherein the one or more electricity directing devices comprises one or more electrical sockets supplying power to one or more devices, the system comprising one or more circuits, each circuit comprising:

  • a potential transformer configured to receive AC voltage directed through a socket and further configured to relay the voltage to a processing device for measuring electrical power, wherein relaying the AC voltage comprises stepping down the voltage using a precise value of transformation ratio;

    a current sensor configured to sense current drawn from the socket and further configured to relay the current to the processing device;

    a microcontroller configured to receive analog or digital values of voltage and current corresponding to AC voltage delivered by the potential transformer and current sensed by the current sensor, wherein the microcontroller is further configured to measure values of voltage and current, calculate electrical power consumed and generate a control signal;

    a coupling device configured to transmit the generated control signal to a switching device; and

    a switching device operationally connected to the socket and configured to switch power flow through the socket based on the received control signal.

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