A source for a wireless energy transfer system, comprising: a source resonator (2422); an adjustable power supply; an amplifier (2402) connected to the adjustable power supply and to the source resonator, the amplifier having electronically controllable switching elements (S1, S2); a source amplifier control (2410) configured to control a switching characteristic of the switching elements of the amplifier, wherein a DC voltage of the power supply is transformed to a switching or oscillating voltage via the amplifier and used to drive the source resonator, wherein the source amplifier control is configured to control a duty cycle of the switching elements of the amplifier to substantially maintain zero voltage switching, and wherein the source amplifier control is configured to control voltage output of the adjustable power supply by a variable bus voltage to control power output to the source amplifier and power delivered to the resonator.
TUNABLE WIRELESS POWER ARCHITECTURES
ABSTIMMBARE DRAHTLOSLEISTUNGSARCHITEKTUREN
ARCHITECTURES D'ÉLECTRICITÉ SANS FIL RÉGLABLES
04.07.2018
Patent
Elektronische Ressource
Englisch
IPC: | H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H01F MAGNETS , Magnete |