Battery control method and device based on matrix rectifier

The invention comprises a battery control method and device based on a matrix rectifier. The output end of the matrix rectifier is connected with a battery. The method comprises the following steps of real-time detecting the voltage and current of the grid side and the charging voltage and the charging current of the battery through sensors, carrying out sliding mode control according to the voltage and current of the grid side and the charging voltage and the charging current, outputting pulse signals, and driving corresponding conduction of bi-directional switches in the matrix rectifier. A battery can be charged through the matrix rectifier and the sliding mode control, thereby reducing the power grid side harmonic, suppressing the voltage disturbance, compensating the power factor and improving the dynamic control performance. 本发明公开了种基于矩阵整流器的蓄电池控制方法及其装置，矩阵整流器的输出端连接蓄电池，该方法包括：通过传感器实时检测电网侧电压和电流以及蓄电池的充电电压和充电电流；依据电网侧电压和电流以及充电电压和充电电流进行滑模控制，输出脉冲信号，驱动矩阵整流器内相应双向开关的导通。本发明通过矩阵整流器和滑模控制方式对蓄电池充电，能够减少电网侧谐波，抑制电压扰动，补偿功率因数