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基于反激式变换器的锂电池组均衡策略

更新时间:2020-10-22 00:59:57 大小:2M 上传用户:gsy幸运查看TA发布的资源 标签:锂电池 下载积分:1分 评价赚积分 (如何评价?) 打赏 收藏 评论(0) 举报

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针对双向反激式变换电路在均衡策略方面存在的问题,提出了一种基于剩余电量分级的均衡方法:首先,根据剩余电量对电池进行分级;然后,依据分级结果,计算目标均衡电量,选择待均衡电池;最后,利用电路模型完成均衡.使用 Matlab 对试验数据进行均衡仿真的结果表明,该策略充分利用了双向反激式电路的特点,使用灵活,延长了电池的续航时间.

In this paper, aiming at the problems of bidirectional flyback converter circuit in terms of the equilibrium strategy, an equilibrium approach based on classifying states of charge was put forward. Firstly, the cells were classifed according to their states of charge; then, according to the results of classifcation, the target equilibrium electric quantity was calculated, and the equilibrated cells were selected; lastly, by using circuit model, the equilibrium was finished. The simulation of Matlab showed that the equilibrium strategy took full advantages of bidirectional fyback circuit, was fexible to use, and prolonged the time of endurance of lithium batteries.

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