锂离子电池组均衡电路及其控制策略  

The Equalization and the Control Strategy for Li-ion Battery Pack

作　　者：何圣仲[1] 覃福班 徐顺刚[1] 周柬成 HE Sheng-zhong;QIN Fu-ban;XU Shun-gang;ZHOU Jian-cheng(Southwest Jiaotong Universityy Chengdu 610031,China)

机构地区：[1]西南交通大学电气工程学院

出　　处：《电力电子技术》2019年第8期8-10,15,共4页Power Electronics

基　　金：国家自然科学基金(61371033)~~

摘　　要：针对电容-二极管电池组均衡电路存在电流重叠而影响均衡速度和均衡效率的问题,提出一种结合电容-二极管和开关电阻的混合型均衡电路,研究了混合型均衡电路的控制策略,并搭建相应的仿真模型和实验平台进行验证。研究结果表明,相比于电容-二极管均衡电路,混合型均衡电路具有更高的均衡速度和均衡效率。Aiming at the problem that the capacitance-diode equalization circuit has current overlap and affects the equalization speed and efficiency, a hybrid equalization circuit combining capacitance-diode and switch resistance is proposed.Meanwhile,the control strategy of the equalization circuit is studied.The corresponding simulation model and experimental platform are built and verified.The results show that the hybrid equalization circuit has higher equalization speed and equalization efficiency than the capacitor-diode equalization circuit.

关 键 词：电池组 均衡电路 控制策略 

分 类 号：TM911[电气工程—电力电子与电力传动]