An object of the present invention is to bring secondary power closer to a secondary target value quickly. A contactless power feeding system (2) includes: a primary circuit (21) for supplying primary power to a power feeding coil (31); and a primary control circuit (22) for controlling the primary circuit (21). The primary control circuit (22) acquires, from a secondary control circuit (5), a secondary measured value and a secondary target value of secondary power received by a power receiving coil (41). The primary control circuit (22) performs control processing and update processing alternately and repeatedly. The control processing is processing of controlling the primary circuit (21) to bring the primary measured value into conformity with a primary target value. The update processing is processing of updating the primary target value. The update processing includes processing of calculating the primary target value based on transfer efficiency to be determined by the primary measured value and the secondary measured value and on the secondary target value.


    Access

    Download


    Export, share and cite



    Title :

    CONTACTLESS POWER SUPPLY SYSTEM AND CONTACTLESS POWER TRANSMISSION SYSTEM


    Additional title:

    KONTAKTLOSES STROMVERSORGUNGSSYSTEM UND KONTAKTLOSES STROMÜBERTRAGUNGSSYSTEM
    SYSTÈME D'ALIMENTATION ÉLECTRIQUE SANS CONTACT ET SYSTÈME DE TRANSMISSION ÉLECTRIQUE SANS CONTACT


    Contributors:

    Publication date :

    2021-01-20


    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 / G05F SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES , Systeme zum Regeln elektrischer oder magnetischer Veränderlicher



    CONTACTLESS POWER TRANSMISSION SYSTEM, CONTACTLESS POWER SUPPLY SYSTEM, AND CONTACTLESS POWER SUPPLY METHOD

    NAKAYASHIKI YUSEI / TAKAHASHI MASAYA / YAMAGUCHI NOBUHISA et al. | European Patent Office | 2025

    Free access

    CONTACTLESS POWER TRANSMISSION SYSTEM, CONTACTLESS POWER SUPPLY SYSTEM, AND CONTACTLESS POWER SUPPLY METHOD

    NAKAYASHIKI YUSEI / TAKAHASHI MASAYA / YAMAGUCHI NOBUHISA et al. | European Patent Office | 2023

    Free access

    CONTACTLESS POWER SUPPLY SYSTEM AND CONTACTLESS POWER TRANSMISSION SYSTEM

    OHORI TAKAHIRO / TAMURA HIDEKI / TANJI YUSUKE et al. | European Patent Office | 2017

    Free access

    CONTACTLESS POWER TRANSMISSION DEVICE, AND CONTACTLESS POWER SUPPLY SYSTEM

    NAGAOKA SHIRO | European Patent Office | 2021

    Free access

    Contactless power supply device, contactless power reception device, and contactless power supply system

    TAKAHASHI MASAYA / NAKAYASHIKI YUUSEI / TAKAHASHI EISUKE et al. | European Patent Office | 2024

    Free access