An auxiliary power supply apparatus includes a first switching circuit and a second switching circuit. The first switching circuit is disposed between a charging circuit and positive terminals of a plurality of auxiliary power supplies. The first switching circuit is configured to perform switching between or among the auxiliary power supplies such that at least one of the auxiliary power supplies is connected to the charging circuit, and the other auxiliary power supply or supplies is or are connected to a power supply destination. The second switching circuit is configured to perform switching between a parallel connection state and a series connection state. In the parallel connection state, the auxiliary power supplies are connected in parallel between a main power supply and the first switching circuit. In the series connection state, the auxiliary power supplies are connected in series between the main power supply and the first switching circuit.


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    Title :

    AUXILIARY POWER SUPPLY APPARATUS AND POWER SUPPLY SYSTEM


    Additional title:

    HILFSSTROMVERSORGUNGSVORRICHTUNG UND STROMVERSORGUNGSSYSTEM
    APPAREIL D'ALIMENTATION AUXILIAIRE ET SYSTÈME D'ALIMENTATION ÉLECTRIQUE


    Contributors:

    Publication date :

    2018-11-21


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    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



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