电动汽车车载充电系统的设计与研究

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Abstract This paper, in view of the deficiencies exiting in the current vehicle charging systems, proposes a single-phase multi-charger topology that is integrated with driving system of electric vehicles. In this topology, the winding inductance of driving motor is served as the boosting inductance of the charging loop and a single-stage structure is adopted to make the topology small in size and low in cost; interleaved parallel technology is adopted to reduce input current ripple and harmonics; Three closed loop control strategy is employed to stabilize the charging voltage and to ensure the sinusoidal waveform of grid side current and keep it in phase with the input voltage. Simulation results show that the monopolar topology and charging control performance can be adapted to the requirements of vehicle charging system.

Key words： electric vehicle drive fusion single phase multiple charging current control

Received: 07 December 2018 Published: 16 July 2019

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