串联电池组电感电容储能主动均衡方法  

Active balancing method with inductor-capacitor energy storage for series battery pack

作　　者：郭向伟 吴齐 邢程 谢东垒[1] 朱军[1] GUO Xiangwei;WU Qi;XING Cheng;XIE Donglei;ZHU Jun(School of Electrical Engineering and Automation,Henan Polytechnic University,Jiaozuo 454000,China)

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

出　　处：《电机与控制学报》2023年第5期128-137,共10页Electric Machines and Control

基　　金：国家自然科学基金(52177039);河南省科技攻关项目(232102240078);河南省高校基本科研业务费青年探索项目(NSFRF210332);河南省高等学校重点科研项目(23A470006)。

摘　　要：提出一种基于电感电容储能的串联电池组主动均衡方法,利用一个电感实现高电量单体的放电均衡,一个电感电容串联电路实现低电量单体的充电均衡,均衡能量可以在任意单体和电池组间转移。首先阐述新型均衡方法的拓扑结构、均衡原理及参数设计过程,建立与拓扑结构相适应的控制策略;通过搭建仿真模型,与同样基于电感电容储能的均衡方法进行对比分析,验证新型均衡方法均衡速度及均衡效率的特点,并分析新型均衡方法拓扑结构较为显著的成本优势;最后以四单体构成的串联电池组为例,通过搭建实验平台验证了电池组充电过程、放电过程及动态过程新型均衡方法的有效性。An active balancing method for series battery pack based on inductor-capacitor energy storage was proposed,in which an inductor was used to achieve the discharge balancing of high-power cells,and an inductor-capacitor series circuit was used to achieve the charge balancing of low-power cells.Firstly,the topological structure,balancing principle and parameter design of the new method was explained.Secondly,the control strategy was established compatible with the topology.Thirdly,the simulation models was built,the method was compared and analyzed based on the same inductor and capacitor energy storage,verifying the characteristics of the balancing speed and efficiency of the new method,and the cost advantage of the novel topology was analyzed.Finally,a series battery pack composed of four cells was taken as an example.Effectiveness of the new balancing method for the charging process,discharging process and dynamic process of the battery pack is verified by building an experimental platform.

关 键 词：串联电池组 不一致性 主动均衡 电感电容储能 仿真模型 实验平台 

分 类 号：TM912[电气工程—电力电子与电力传动] TH39[机械工程—机械制造及自动化]