Transmitter or receiver resonant circuit for carrying out contactless power transmission via resonant inductive coupling to a receiver or transmitter resonant circuit, comprising a first capacitance and a first winding, the first winding comprising an inductance and a first resistance, the transmitter resonant circuit comprising a second capacitance of value C2′ and a second winding, the second winding comprising a second inductance of value L2′ and a second resistance of value R2′, the transmitter resonant circuit having a natural angular frequency u>2 such that w2=1/V(L2′×C2′) and a natural frequency f2 such that f2=w2/(2π), characterized in that the value of the second inductance varies in a predetermined manner.
Device for transmitting power contactlessly through resonant inductive coupling for recharging a motor vehicle
2024-05-07
Patent
Electronic Resource
English
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 |
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