SYSTEM, DEVICE, AND METHOD FOR CONTROLLING A POWER INVERTER

A wireless power transmitter includes circuitry configured to determine a reflected impedance from a receiver coil at a transmitter coil and control a dead-time of one or more switching stages of a power conversion device based on the reflected impedance. A tunable matching network at the transmitte...

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Bibliographische Detailangaben
Hauptverfasser:	HOSTE Steve, VLADAN Marius Ionel, KOLECK Jean-Francois
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 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 wireless power transmitter includes circuitry configured to determine a reflected impedance from a receiver coil at a transmitter coil and control a dead-time of one or more switching stages of a power conversion device based on the reflected impedance. A tunable matching network at the transmitter is controlled based on the reflected impedance and the dead-time of the one or more switching stages.