Method and apparatus for controlling power consumption
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jun 13, 2006
Grant Date -
N/A
app pub date -
May 2, 2000
filing date -
May 2, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and apparatus for controlling power consumption of a facility, building or simply a collection of one or more devices, by load shedding when power consumption is above, or is predicted to be above, a preselected setpoint, but only if electrical power on the spot market cannot be purchased at or below a preselected price. The apparatus and method of the invention optimizes power usage by taking advantage of the buying of electricity as a commodity on the spot market. As a further aspect of the invention, in the situation of a supermarket for example, which refrigerates food products, artificial product core temperature sensors or direct insertion product sensors can be used to continuously monitor the refrigerated temperature of perishable products. A controller would constantly monitor these temperatures to allow a precise load shedding routine to be implemented.
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