A wireless power transfer apparatus may include a charging controller configured of generating a current instruction and a voltage instruction for wireless power transfer, a first circuit portion connected to the charging controller and an external power source and configured of converting an electric power supplied from the external power source to corresponding voltage value and corresponding current value according to the voltage instruction and the current instruction, and a primary coil connected to the first circuit portion and configured of generating an induced current in a secondary coil of an electric vehicle to deliver the electric power converted by the first circuit portion to the electric vehicle, wherein the charging controller estimates temperature of the secondary coil by use of the current value applied to the primary coil, and changes the current instruction for determining a current value applied to the primary coil, according to the estimated temperature of the secondary coil.


    Access

    Download


    Export, share and cite



    Title :

    WIRELESS POWER TRANSFER APPARATUS, WIRELESS POWER TRANSFER SYSTEM OF VEHICLE, AND CONTROL METHOD THEREOF


    Contributors:
    KIM KYUNGSU (author) / BYUN YOUNG CHAN (author) / BAE JINGEUN (author) / KIM GIBUM (author) / KIM HYEONJUN (author) / LA KI BUM (author)

    Publication date :

    2021-10-21


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung



    WIRELESS POWER TRANSFER APPARATUS, WIRELESS POWER TRANSFER SYSTEM OF VEHICLE, AND CONTROL METHOD THEREOF

    KIM GYUNG-SOO / BYUN YOUNG-CHAN / BAE JING-EUN et al. | European Patent Office | 2021

    Free access

    Wireless power transfer apparatus for vehicle

    LEE CHANG SU / AN CHAN GWEN / KIM DONG JAE et al. | European Patent Office | 2017

    Free access


    WIRELESS POWER TRANSFER SYSTEM AND WIRELESS POWER TRANSFER METHOD

    OKUBO NORIHIRO | European Patent Office | 2016

    Free access

    WIRELESS POWER TRANSFER SYSTEM AND WIRELESS POWER TRANSFER METHOD

    UCHIDA AKIYOSHI / OZAKI KAZUYUKI / TAGUCHI MASAKAZU et al. | European Patent Office | 2018

    Free access