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METHOD FOR LOAD CONTROL USING TEMPORAL MEASUREMENTS OF ENERGY FOR INDIVIDUAL PIECES OF EQUIPMENT

  • US 20100070103A1
  • Filed: 09/11/2009
  • Published: 03/18/2010
  • Est. Priority Date: 09/15/2008
  • Status: Active Grant
First Claim
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1. In an electrical distribution system by which a utility supplies electricity to one or more pieces of equipment at each utility'"'"'s customer'"'"'s location, each piece of equipment placing an electrical load on the system when it is operating, a method of shedding electrical load placed on the system comprising:

  • connecting at least one piece of equipment at a location to a load control apparatus;

    profiling by the load control apparatus, on a temporal basis, the electricity usage of the piece of equipment, said profiling being characterized not by the amount of energy consumed by the piece of equipment during a defined interval of time, but rather by the duration of time during successive predetermined intervals of time the piece of equipment was energized or de-energized; and

    ,when a load control event occurs in which load on the system must be shed, shedding load by the load control apparatus as a function of the profile created for the piece of equipment thereby to prevent system instability or overload, and to control operating costs of the system.

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