基于集成式均衡电路的电池包主动均衡仿真研究  

Simulation Study on Active Balancing of Battery Package Based on Integrated Equalization Circuit

作　　者：浦金欢[1] 程思[2] PU Jinhuan;CHENG Si

机构地区：[1]上海汽车集团股份有限公司技术中心,上海201804 [2]上海交通大学机械与动力工程学院,上海200240

出　　处：《上海汽车》2019年第10期3-8,共6页Shanghai Auto

摘　　要：对于电芯单体串并联成组使用的车用动力电池包,单体的均衡是影响电池包性能、寿命和安全的关键因素。文章讨论了集成式主动均衡电路架构及其实现方式,分析并建立了具有集成式主动均衡电路的电池包系统模型和方程,在该系统方程基础上设计了一种简便易行的线性分配电流主动均衡算法,并在MATLAB环境下进行了建模和仿真验证。仿真结果显示,该均衡电路和均衡算法能有效实现模组电压和电芯单体电压的均衡。For automotive power battery packs with cells connected in series-parallel,equilibrium of the cells is a key factor affecting the performance,life and safety of battery packs.The architecture of integrated active equalization circuit and its implementation are discussed in this paper.The model and equation of battery pack system with integrated active equalization circuit are analyzed and established.Based on the system equation,a simple and easy algorithm with linear distributed current for active equalization is designed.Modeling and simulation are carried out in the environment of MATLAB.The simulation results show that the equalization of module voltage and cell voltage can be achieved by the equalization circuit and the equalization algorithm effectively.

关 键 词：主动均衡 电压均衡 集成式均衡电路 仿真 

分 类 号：TM9[电气工程—电力电子与电力传动]