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System and method for using climate controlled spaces as energy storage units for “receiving” surplus energy and for “supplying” energy when needed

  • US 8,583,288 B1
  • Filed: 05/28/2011
  • Issued: 11/12/2013
  • Est. Priority Date: 05/28/2010
  • Status: Active Grant
First Claim
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1. A method for managing an energy supply of a utility provider, comprising:

  • calibrating one or more climate controlled spaces for a controller by calculating a heating or cooling ratio for the one or more climate controlled spaces;

    determining if an energy supply surplus exists within a utility system;

    if an energy supply surplus exists, then start using the one or more climate controlled spaces as energy sinks for expending energy according to the heating/cooling ratio;

    determining if an energy supply deficit exists; and

    if an energy supply deficit exists, then start using the one or more climate controlled spaces as energy sources in which a direct load control algorithm is used to reduce consumption of energy, wherein the heating or cooling (H or C) ratio is governed by the following equation;


    H or C ratio=(t0+t1)/t2wherein t0 is a time period between when a set point temperature is reached and when a thermostat issues a request to a space conditioning load, t1 is a time period between when the thermostat issues a request to the space conditioning load and when the space conditioning load is allowed to be activated, and t2 is a time period between when the space conditioning load is allowed to be activated and when the space conditioning load is stopped once it reaches a set point temperature of the thermostat.

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