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Research on bidirectional DC/DC converter for electric vehicle

机译:电动汽车双向直流/直流转换器的研究

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The voltages of between the battery and the ultra-capacitor are not equal in the energy storage system of the electric vehicle. DC/DC converter is researched in order to balance the voltages between the battery and the ultra-capacitor. The traditional control method is not ideal. The model of bidirectional DC/DC converter is established on the basis of the working principle of the DC/DC converter. And it is in the double closed loop PI control mode. The results of simulation indicate that the control method has fast response speed, small overshoot and strong ability of anti-interference. It can also balance the energy between the battery and the ultra-capacitor.
机译:电池和超电容器之间的电压在电动车辆的能量存储系统中不等于。研究了DC / DC转换器,以平衡电池和超电容之间的电压。传统的控制方法并不理想。基于DC / DC转换器的工作原理建立了双向DC / DC转换器的模型。并且它处于双闭环PI控制模式。仿真结果表明,控制方法具有快速响应速度,较小的过冲和强大的抗干扰能力。它还可以平衡电池和超电容之间的能量。

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