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CASCADED SYSTEMS AND METHODS FOR CONTROLLING ENERGY USE DURING A DEMAND LIMITING PERIOD

United States Patent Application

20160195888
A1
View the Complete Application at the US Patent & Trademark Office
A cascaded control system is configured to control power consumption of a building during a demand limiting period. The cascaded control system includes an energy use setpoint generator and a feedback controller. The energy use setpoint generator is configured to use energy pricing data and measurements of a variable condition within the building to generate an energy use setpoint during the demand limiting period. The feedback controller is configured to use a difference between the energy use setpoint and a measured energy use to generate a control signal for building equipment that operate to affect the variable condition within the building during the demand limiting period.
Wenzel, Michael J. (Oak Creek, WI), Drees, Kirk H. (Cedarburg, WI)
Johnson Controls Technology Company (Holland MI)
15/ 068,475
March 11, 2016
GOVERNMENT LICENSE RIGHTS [0002] This invention was made with government support under DE-EE0003982 awarded by the Department of Energy. The government has certain rights in the invention.