A power supply system includes a main power storage device (BA) and a plurality of sub power storage devices (BB1, BB2). A converters (12B) is connected to selected one of the sub power storage devices (BB1, BB2) to convert voltage between the selected sub power storage device and an electric power feeding line (PL2) bidirectionally. When a request for switching the selected sub power storage device in use is generated, upper limits on electric power input/output to/from the selected sub power storage device are continuously varied. Thus, discontinuous variation of electric power input/output to/from the power supply system during the process for switching the selected sub power storage device can be avoided. Consequently, sudden change in a behavior of an electrically powered vehicle can be avoided.


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    Title :

    ELECTRIC POWER SOURCE SYSTEM FOR ELECTRICALLY DRIVEN VEHICLE AND ITS CONTROL METHOD


    Additional title:

    ELEKTRISCHES ANTRIEBSQUELLENSYSTEM FÜR ELEKTRISCH ANGETRIEBENES FAHRZEUG UND STEUERVERFAHREN DAFÜR
    SYSTÈME DE SOURCE D'ÉNERGIE ÉLECTRIQUE POUR VÉHICULE ÉLECTRIQUE ET PROCÉDÉ DE COMMANDE ASSOCIÉ


    Contributors:

    Publication date :

    2018-04-04


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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