Analysis and Estimation of the Maximum Switch Current during Battery System Reconfiguration

Batteries are interconnected in series and/or parallel to meet wide-range power or energy demands various industrial applications. To pursue the benefits of multiple connection structures one system, reconfigurable battery systems (RBSs) have recently emerged for safe and efficient operation, extended storage, delivery, etc. Switches essential elements enable system reconfiguration, but selecting appropriate switches RBS designs has not been systematically investigated. bridge this gap, analytical expressions derived article estimate maximum switch current its upper limit facilitate selection switches. An prototype based on H-bridges is set up experimental results verify effectiveness advantage proposed estimation method. These expressions, relying only resistances batteries switches, readily applicable practical design much more than conducting numerous circuit experiments, simulation tests, analyses, especially large-scale systems. Moreover, analysis framework method series–parallel mutual conversion can be adaptively other complex reconfigurations designs.