基于时间优化算法的锂离子电池主被动均衡  

Active-passive equilibrium of Li-ion battery based on time optimization algorithm

作　　者：廖力[1,2] 张瑾 汪屹 姜久春 LIAO Li;ZHANG Jin;WANG Yi;JIANG Jiu-chun(School of Electrical and Electronic Engineering,Hubei University of Technology,Wuhan,Hubei 430068,China;Hubei Key Laboratory for High-Efficiency Utilization of Solar Energy and Operation Control of Energy Storage System,Hubei University of Technology,Wuhan,Hubei 430068,China)

机构地区：[1]湖北工业大学电气与电子工程学院,湖北武汉430068 [2]湖北工业大学太阳能高效利用及储能运行控制湖北省重点实验室,湖北武汉430068

出　　处：《电池》2023年第4期393-397,共5页Battery Bimonthly

基　　金：国家自然科学基金(52177212);湖北省教育厅科学研究计划(T2021005)。

摘　　要：为避免因单体电池的不一致性而影响锂离子电池组的使用效率与寿命,设计一种主被动均衡相结合的均衡方案,其中主动均衡由单绕组反激变压器实现,且在控制策略中,利用基于区间搜索的时间优化算法得到使均衡时间最短的最优均衡目标值。搭建仿真模型,并运行多组随机数据的对比实验。与传统的将平均值设置为均衡目标相比,所提均衡方案可将均衡时间缩短约23%,该方案的可行性与有效性得到验证。To avoid the inconsistency of the Li-ion battery pack which affected its efficiency and lifetime,an equalization scheme combining active and passive equalization was designed,where the active equalization was realized by a single winding flyback transformer.In the control strategy,the time optimization algorithm based on interval search was used to obtain the optimal equilibrium target value with the shortest equilibrium time.A simulation model was built and multiple sets of random data comparison experiments were run.Compared with the traditional average value set as the equilibrium target,the equilibrium scheme proposed could reduce the equilibrium time by about 23%,the feasibility and effectiveness of the scheme were verified.

关 键 词：主被动均衡 反激变压器 区间搜索 时间优化算法 

分 类 号：TM912.9[电气工程—电力电子与电力传动]