HVAC AND/OR REFRIGERATION USING POWER FACTOR CORRECTION

A system includes an alternating current (AC) to direct current (DC) voltage convertor (110), a power factor correction (PFC) subsystem (115), and one or more motor drives. The AC to DC voltage converter (110) receives alternating current from an AC voltage source (105). The PFC subsystem (115) rece...

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Bibliographische Detailangaben
Hauptverfasser:	STYER, Austin Clay, SUBRAMANIAM, Palanivel
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION SYSTEMS FOR STORING ELECTRIC ENERGY
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Beschreibung
Zusammenfassung:	A system includes an alternating current (AC) to direct current (DC) voltage convertor (110), a power factor correction (PFC) subsystem (115), and one or more motor drives. The AC to DC voltage converter (110) receives alternating current from an AC voltage source (105). The PFC subsystem (115) receives DC voltage from the AC to DC voltage convertor (110). The PFC subsystem (115) also outputs a corrected DC voltage corresponding to an output voltage setpoint. The PFC subsystem includes a controller (120) operable to dynamically adjust the output voltage setpoint. The one or more motor drives receive voltage via the PFC subsystem (115). The output voltage setpoint is determined based at least in part on estimating a load associated with the one or more motor drives configured to receive voltage via the PFC subsystem (115).