A power supply device includes an AC/DC converter and a DC/AC converter. The AC/DC converter is capable of converting grid-connected power into DC power having a second DC power value. The DC/AC converter converts DC power into AC power and outputs the converted AC power to a primary coil of a power supply-unit. Furthermore, the power supply device includes a DC/DC converter and a switching relay. The DC/DC converter is capable of converting DC power output from the AC/DC converter into DC power having a first DC power value that is smaller than the second DC power value. The switching relay switches the source of power for the DC/AC converter to the AC/DC converter or the DC/DC converter.


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    Title :

    POWER SUPPLY DEVICE AND WIRELESS POWER TRANSFER APPARATUS


    Contributors:

    Publication date :

    2017-05-11


    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



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