Multiple-stage power conversion via regulated and unregulated conversion

An apparatus includes a first power converter and a second power converter. The first power converter converts an input voltage into a first output voltage; the second power converter converts the first output voltage into a second output voltage that powers a load. The second power converter includ...

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Bibliographische Detailangaben
Hauptverfasser:	Rizzolatti, Roberto, Rainer, Christian
Format:	Patent
Sprache:	eng
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 CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION
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Beschreibung
Zusammenfassung:	An apparatus includes a first power converter and a second power converter. The first power converter converts an input voltage into a first output voltage; the second power converter converts the first output voltage into a second output voltage that powers a load. The second power converter includes a switched-capacitor converter combined with a magnetic device. The switched-capacitor converter provides capacitive energy transfer; the magnetic device provides magnetic energy transfer. Additionally, the second power converter provides unregulated conversion of the first output voltage into the second output voltage via the capacitive energy transfer and the magnetic energy transfer. To maintain the magnitude of the second output voltage within a desired range or setpoint value, the first power converter regulates a magnitude of the first output voltage based on comparison of a magnitude of the second output voltage with respect to a desired setpoint reference voltage.