The battery charger comprises: two output terminals (BS1, BS2) between which a battery (102) is designed to be connected; two input terminals (BE1, BE2) designed to be connected to an electrical network (110); two inductors (L.A, L.C) respectively connected to the first input terminal (BE1) and to the second input terminal (BE2); two switching arms (BA, BC) for respectively connecting the inductors (LA, LC) selectively to the first output terminal (BS1) and to the second output terminal (BS2); a control device (120) designed for controlling the switching arms (BA, BC) so as to draw from the electrical network (110) a mains current (iR) in phase with the mains voltage (uR). The battery charger further comprises: a smoothing capacitor (C) connected to the second output terminal (BS2); and a connection device (112) for connecting the smoothing capacitor (C) to the second input terminal (BE2). The control device (120) is further designed to control at least the second switching arm (B.sub.C) so as to alternately charge and discharge the smoothing capacitor (C) for smoothing the load current (iB).


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    Title :

    Battery charger, electrical system and motor vehicle



    Publication date :

    2018-04-10


    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 / 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



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