BATTERY CHARGING DEVICE OF VEHICLE POWER SUPPLY FROM SINGLE-PHASE NETWORK AND DEVICE CONTROL METHOD Russian patent published in 2016 - IPC H02J7/02 

FIELD: electricity.

SUBSTANCE: invention relates to battery charging devices for electric traction vehicles. Battery charging device, in particular battery of an electric traction vehicle, from a single-phase power supply network, including a filtering stage configured to be connected to single-phase network, a voltage step-down stage connected to the filtering stage, a voltage step-up stage configured to be connected to battery and coupled to voltage step-down stage via an inductive component (L_d), such as an inductance coil, and a regulating unit configured to impose chopping duty ratios (a, a_s) on voltage step-down stage and on voltage step-up stage. Regulating unit comprises means for compensating for phase shift between input current (I_f) of voltage step-down stage and an input voltage (V_c) of voltage step-down stage.

EFFECT: high degree of controllability of a charging device.

7 cl, 4 dwg