HVAC SYSTEM WITH IMPROVED OPERATION OF A VARIABLE SPEED COMPRESSOR DURING A PEAK DEMAND RESPONSE

An HVAC system includes a variable speed compressor. A controller determines that the HVAC system is requested to operate according to a demand response during a demand response time. A curtailment compressor speed is determined that achieves the reduced power consumption requested by the demand res...

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Bibliographische Detailangaben
Hauptverfasser:	HREJSA, PETE, BRAHME, ROHINI
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING BLASTING CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER COMBINED HEATING AND REFRIGERATION SYSTEMS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION HEAT PUMP SYSTEMS HEATING LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING RANGES REFRIGERATION MACHINES, PLANTS OR SYSTEMS REFRIGERATION OR COOLING SYSTEMS FOR STORING ELECTRIC ENERGY VENTILATING WEAPONS
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Beschreibung
Zusammenfassung:	An HVAC system includes a variable speed compressor. A controller determines that the HVAC system is requested to operate according to a demand response during a demand response time. A curtailment compressor speed is determined that achieves the reduced power consumption requested by the demand response. At a start of the demand response time, the controller begins operating the variable speed compressor at the curtailment speed. During the demand response time, the controller adjusts the speed of the variable speed compressor using dynamic control logic with an offset setpoint temperature used as the control setpoint value when an indoor air temperature of the space is less than the offset setpoint temperature and greater than the baseline setpoint temperature.