基于蓄电池改进模型的均衡充电方法研究  

Research on Equalization Charging Method Based on Improved Battery Model

作　　者：陈宇 苏海涛 韩伟 孔圣立 CHEN Yu;SU Haitao;HAN Wei;KONG Shengli(State Grid Henan Electric Power Research Institute,Zhengzhou 450052,China;State Grid Henan Electric Power Company,Zhengzhou 450016,China)

机构地区：[1]国网河南省电力公司电力科学研究院,河南郑州450052 [2]国网河南省电力公司,河南郑州450016

出　　处：《电工技术》2022年第18期63-65,共3页Electric Engineering

摘　　要：Thevenin蓄电池模型在工程中应用较为普遍,但该模型结构简单,不能准确反映蓄电池内部性能变化,有一定局限性。对此提出使用第一电阻和第一电容的并联模型替代原电池模型的开路电压源,再进行Y-△数学变换,并根据变电站蓄电池的实际运行参数,优化得到最终的蓄电池改进模型。通过MATLAB仿真分析,验证了改进模型在蓄电池均衡充电上的优越性,对现场工程应用有重要参考意义。The Thevenin battery model is widely used in engineering,but the model is simple in structure,cannot accurately reflect the internal performance changes of the battery,and has certain limitations.Therefore,the open circuit voltage source of the primary cell model is replaced by the parallel model of the first resistance and the first capacitance.Then,Y-△mathematical transformation is carried out,and the final battery improvement model is optimized according to the actual operating parameters of the substation battery.Through MATLAB simulation analysis,the superiority of the improved model in battery equalization charging is verified,which has important reference significance for field engineering application.

关 键 词：蓄电池 改进模型 仿真分析 均衡充电 

分 类 号：TM912[电气工程—电力电子与电力传动]