A wireless power transfer arrangement (20) for a wireless power transfer across an airgap (9) by inductive coupling, for example for charging the battery (31) of an electric vehicle, includes a primary side (21) with a primary pad (22) for generating a magnetic field (28) into the airgap (9) and a secondary side (24) arranged on the other side of the airgap (9) that picks up the magnetic field (28) and provides the energy received through the magnetic field (28) to the battery (31). The primary side (21) is for example installed at a charging station and the secondary side (24) is comprised by the electric vehicle. In order to control the charging process during the power transfer, a wireless communication channel (38) is provided between the primary (21) and the secondary (24) by means of two wireless transceivers (35, 36). According to the invention, the wireless transceivers (35, 36) are adapted such that their communication range is less than twice a largest spatial extent of the primary pad. In this way, the communication between the charging station and the vehicle may not be received by other charging stations or vehicles located at the same charging area. And if the other vehicles and other charging stations of the same charging area are adapted according to the invention as well, their communication does not interfere with each other or otherwise disturb each other such that a complex and laborious pairing process may be avoided.


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    Titel :

    WIRELESS POWER TRANSFER ARRANGEMENT


    Weitere Titelangaben:

    ANORDNUNG ZUR DRAHTLOSEN STROMÜBERTRAGUNG
    AGENCEMENT DE TRANSFERT DE PUISSANCE SANS FIL


    Beteiligte:
    ENDERLIN JONAS (Autor:in) / RICHTER ULRICH (Autor:in) / WANG YIBO (Autor:in) / MENTELE MICHAEL (Autor:in)

    Erscheinungsdatum :

    08.09.2021


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    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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