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电动汽车电池荷电状态及电压均衡的研究

更新时间:2020-05-29 01:01:06 大小:987K 上传用户:zhiyao6查看TA发布的资源 标签:电动汽车电池电压均衡 下载积分:5分 评价赚积分 (如何评价?) 打赏 收藏 评论(0) 举报

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针对电动汽车电池管理中荷电状态的估计以及电压均衡的问题,提出一种基于安时积分法荷电状态(SOC)估算为前提的能量闭环控制的解决方法,并设计出相应的能量控制电路。该方法首先通过对总电流的积分估算出电池的荷电状态,然后对电池组的直流电进行逆变,再通过变压器把能量转换到整流电路中,经过滤波后对单体电池充电,以达到电压均衡效果。实验结果表明:该方法能够有效改善电动汽车电池性能,使得单体电池的电压大小基本稳定在同一值。

For the electric vehicle battery management charged state estimation and voltage balancing problem,proposes a current time integral method and energy closed-loop control method based on energy,and designs the corresponding control circuit.This method estimates the charge state of the battery through the integration of the total current,and then converts the energy to the rectifying current through the transformer after the DC current of the battery pack is changed.After filtering,it recharges the single cell to achieve the voltage balance effect.The experimental results show that the method can effectively improve the performance of the electric vehicle battery,and the voltage size of the single cell is basically stable at the same v...

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电动汽车电池荷电状态及电压均衡的研究.pdf 987K

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