A power transmitter according to one aspect of the disclosure includes: a power converter that converts a first AC power supplied from an AC power source into a DC power; a first detector that detects an electric current of the DC power; a feedback signal generator that generates a feedback signal based on the electric current of the DC power; and a controller that performs a feedback control on the electric power supplied to a power receiver based on the feedback signal. The feedback signal generator generates a canceling waveform to reduce a ripple caused to the DC power due to zero crossing of a voltage of the first AC power and generates the feedback signal based on the electric current of the DC power and the canceling waveform.


    Zugriff

    Download


    Exportieren, teilen und zitieren



    Titel :

    POWER TRANSMITTER AND WIRELESS POWER TRANSFER SYSTEM


    Beteiligte:
    NAGAOKA SHIRO (Autor:in)

    Erscheinungsdatum :

    2018-08-23


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen / 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



    Power transmitter and wireless power transfer system

    NAGAOKA SHIRO | Europäisches Patentamt | 2020

    Freier Zugriff

    EXCITATION-QUADRATURE-QUADRATURE TRANSMITTER WIRELESS POWER TRANSFER SYSTEM

    LUO ZHICHAO / NIE SHUANG / PATHMANATHAN MEHANATHAN et al. | Europäisches Patentamt | 2024

    Freier Zugriff

    Wireless Power Transmitter

    CHA DAE YOUNG | Europäisches Patentamt | 2019

    Freier Zugriff

    Wireless Power Transfer System Based on Segmented Transmitter Line

    LEE EUN SOO / KIM MYUNG YONG / LEE BYUNG SONG et al. | Europäisches Patentamt | 2022

    Freier Zugriff

    Dynamic wireless power transfer system controlling multiple transmitter coils

    COOK DAVID | Europäisches Patentamt | 2023

    Freier Zugriff