Converters (8-1, 8-2) are configured to operate in a normal operation to convert the electric power that is input/output to/from secondary batteries (6-1, 6-2) bidirectionally to direct current voltage. In a predetermined mode allowing the secondary batteries (6-1, 6-2) to be charged, at least one of the converters (8-1, 8-2) does not perform a switching operation and holds on an upper arm element (Q1B, Q2B) to avoid a switching loss in charging the secondary batteries (6-1, 6-2). An electric power loss caused at the converters in charging the secondary batteries can be reduced, and charging efficiency can be enhanced.


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    Title :

    POWER SUPPLY SYSTEM AND ELECTRIC POWERED VEHICLE INCLUDING POWER SUPPLY SYSTEM, AND METHOD FOR CONTROLLING POWER SUPPLY SYSTEM


    Additional title:

    STROMVERSORGUNGSSYSTEM UND ELEKTRISCHES ANGETRIEBENES FAHRZEUG MIT STROMVERSORGUNGSSYSTEM UND VERFAHREN ZUR STEUERUNG DES STROMVERSORGUNGSSYSTEMS
    SYSTÈME D'ALIMENTATION ÉLECTRIQUE ET VÉHICULE À PROPULSION ÉLECTRIQUE COMPRENANT LE SYSTÈME D'ALIMENTATION ÉLECTRIQUE ET PROCÉDÉ DE COMMANDE DU SYSTÈME D'ALIMENTATION ÉLECTRIQUE


    Contributors:

    Publication date :

    2021-03-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    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 / 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 / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY



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