A battery charger (1000) non-concurrently performing a first operation to charge a main battery (MBA) and a sub-battery (SBA) by using an external power supply (AC), and a second operation to charge the sub-battery by using the main battery, including: a power supply circuit (1); a transformer (3); a secondary-side circuit (4) rectifying a voltage induced in a winding (302) and supplying the voltage to the main battery in a first time period for the first operation, and converting a DC voltage from the main battery into an AC voltage and supplying the AC voltage to the winding in a second time period for the second operation; a conduction angle adjustment circuit (7); and a control circuit (10), the secondary-side circuit being a full-bridge circuit including parallel-connected arms each including parallel-connected bodies connected in series, the parallel-connected bodies each including a switching unit and a rectifying unit connected in parallel.


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    Title :

    Battery charging apparatus


    Contributors:

    Publication date :

    2016-08-23


    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



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