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基于Boost-Buck电路的锂离子电池组均衡充电方法

更新时间:2020-08-29 01:36:40 大小:333K 上传用户:zhiyao6查看TA发布的资源 标签:Boost-Buck 下载积分:5分 评价赚积分 (如何评价?) 打赏 收藏 评论(1) 举报

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针对锂离子电池组中串联的各单元电池间电量不均衡的问题,提出了一种基于Boost-Buck电路的锂离子电池组均衡充电电路.阐明了该均衡电路的工作原理,给出了均衡电路参数的选取原则和均衡充电控制策略.根据均衡电路拓扑结构搭建电路仿真模型,验证了均衡过程中主电路中储能元件电流、电压变化规律,并对先恒流后恒压直流电源充电时的单元电池间的均衡充电过程进行了仿真,仿真结果表明均衡效果明显。

To solve the imbalance problem between different batteries,an equalization charging circuit based on Boost-Buck circuit was proposed for lithium-ion battery series.Working principle of the equalization circuit was illustrated.The selecting principles of parameters in the main circuit and control strategy were given.Simulation model was built according to the equalization topology to verify the variation law of capacitor voltage and inductor current in the main circuit.Equalization simulation was made between batteries while a DC power with function of constant voltage charging after constant current charging was attached to the battery series.The experimental results demonstrated that the equalization effect was obvious.

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基于Boost-Buck电路的锂离子电池组均衡充电方法.pdf 333K

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