基于三绕组变压器的锂电池组自适应交错控制均衡方案  

Adaptive interleaved control equalization for lithium-ion battery packs based on three-winding transformers

作　　者：郑征[1] 王肖帅 李斌[1] 黄涛 李佩柯 ZHENG Zheng;WANG Xiaoshuai;LI Bin;HUANG Tao;LI Peike(School of Electrical Engineering and Automation,Henan Polytechnic University,Jiaozuo 454000,Henan,China;Department of Energy,Politecnico di Torino,Turin 10129,Italy)

机构地区：[1]河南理工大学电气工程与自动化学院,河南焦作454000 [2]都灵理工大学能源系,意大利都灵市10129

出　　处：《储能科学与技术》2022年第4期1131-1140,共10页Energy Storage Science and Technology

基　　金：国家自然科学基金资助项目(61703144)。

摘　　要：为了解决锂电池组由于电池单体在制造工艺等方面的差异所引起的单体电压不一致性问题,本工作提出一种可以实现多种均衡类型的均衡方案,该方案由基于三绕组变压器的主动均衡拓扑以及与之对应的自适应交错控制策略组成,可控制能量在不同均衡对象之间灵活地转移以及根据电池组所处的状况实时调节均衡类型,使均衡电路始终在最佳状态下工作,实现电池组的快速均衡。最后通过仿真算例,验证了所提均衡方案能有效解决电池组不一致性问题,且具有较快的均衡速度。To address the problem of voltage inconsistency in lithium-ion(Li-ion)battery packs,caused by differences in the manufacturing processes of individual cells,an equalization scheme is proposed that can realize multiple equalization types.The scheme consists of an active equalization topology,based on a three-winding transformer,and a corresponding adaptive interleaving control strategy,which can control the flexible transfer of energy between different equalization objects.The circuit can also make real-time adjustments according to battery pack condition,always ensuring the optimal state to achieve fast equalization of the battery pack.Finally,the proposed equalization scheme effectively solves the voltage inconsistency issue and achieves high-speed equalization from simulation.

关 键 词：锂电池组 三绕组变压器 多均衡类型 主动均衡 自适应交错控制 

分 类 号：TM911[电气工程—电力电子与电力传动]