一种车用储能电源系统的拓扑结构优化方法  

An Optimization Method for Topology Structure of Energy Storage Power System in Vehicle

作　　者：姚乐乐 段国晨 匡凯 张芊昊 康涛 詹瞻羽[1] Yao Lele;Duan Guochen;Kuang Kai;Zhang Qianhao;Kang Tao;Zhan Zhanyu(China North Vehicle Research Institute,Beijing,100072)

机构地区：[1]中国北方车辆研究所,北京100072

出　　处：《科技风》2025年第10期4-6,53,共4页

摘　　要：随着车辆混合电压体制的普及,车辆运行的工况日趋多样性和复杂化,储能电源系统在车辆微电网中的作用越来越重要,系统内大功率负载和小功率设备的电压与功率会随着不同的工况而出现阶跃性或频繁波动,优化储能电源系统的拓扑结构有助于改善车辆微电网的平顺性,并提升整车电气性能。针对动力电池、超级电容、DC-DC变换器所组成的储能电源系统,采用二端口网络与拉格朗日乘子法,可得储能电源系统的最优参数与连接方式,从而为系统性能的提升奠定基础。With the popularization of hybrid voltage systems in vehicles,the role of energy storage power system is becoming increasingly important.The operating conditions of vehicle gradually diverse and complex.Voltage and power of electrical equipment will exhibit step or frequent fluctuations under different operating conditions.Optimizing the topology structure of energy storage power system can contribute to the upgradation of vehicle microgrid in smoothness,It also help to improve the electrical performance of vehicle.Two port network and Lagrange multiplier method are used in the energy storage power system composed of power battery,supercapacitor,and DC-DC converter.Optimal parameter and connection method can be obtained.Furthermore,it lays the foundation for improving the performance.

关 键 词：储能电源系统 拓扑结构 二端口网络 拉格朗日乘子法 

分 类 号：U469.7[机械工程—车辆工程]