TUNABLE WIRELESS ENERGY TRANSFER SYSTEMS

This application includes a source for a wireless power transfer system including: sensing and measurement circuitry configured to process signals associated with a source resonator and a source impedance matching network including a tunable component; a PWM generator coupled with power transistors...

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Bibliographische Detailangaben
Hauptverfasser:	Campanella, Andrew J, Karalis, Aristeidis, Lou, Herbert T, Hall, Katherine L, Kesler, Morris P, Fiorello, Ron
Format:	Patent
Sprache:	eng
Schlagworte:	ANTENNAS, i.e. RADIO AERIALS BASIC ELECTRIC ELEMENTS BASIC ELECTRONIC CIRCUITRY CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS INDUCTANCES MAGNETS RESONATORS SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES SYSTEMS FOR STORING ELECTRIC ENERGY TRANSFORMERS
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Beschreibung
Zusammenfassung:	This application includes a source for a wireless power transfer system including: sensing and measurement circuitry configured to process signals associated with a source resonator and a source impedance matching network including a tunable component; a PWM generator coupled with power transistors of an amplifier coupled with the source impedance matching network, wherein the PWM generator is configured to control a driving signal to drive the source resonator using the power transistors; and a controller coupled with the sensing and measurement circuitry to receive measured signals, wherein the controller is configured to control a component value or an operating point of at least one of the tunable component(s), and the controller is configured to modify operation of the PWM generator based on the measured signals to modify at least a phase of the driving signal while changing power delivered to the source resonator.