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.


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    Title :

    CONTACTLESS POWER TRANSMISSION DEVICE, AND CONTACTLESS POWER SUPPLY SYSTEM


    Additional title:

    KONTAKTLOSE STROMÜBERTRAGUNGSVORRICHTUNG UND KONTAKTLOSES STROMVERSORGUNGSSYSTEM
    DISPOSITIF DE TRANSMISSION D'ÉNERGIE SANS CONTACT ET SYSTÈME D'ALIMENTATION ÉLECTRIQUE SANS CONTACT


    Contributors:

    Publication date :

    2021-02-17


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    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 / B60M Speiseleitungen oder Vorrichtungen am Gleis für elektrisch angetriebene Fahrzeuge , POWER SUPPLY LINES, OR DEVICES ALONG RAILS, FOR ELECTRICALLY-PROPELLED VEHICLES



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