电动汽车锂离子电池的能量管理系统研究.pdf

28 8 Vol28 No8 2007 8 Ch inese Journal of Scientific Instrum ent Aug. 2007 * 1, 2 2 2 李顶根 , 李竟成 , 李建林 ( 1 430074; 2 311215) : , , , ; , ; , , : ; ; ; ; : TM 911 : A : 530. 4130 Research of electric vehicle Liion battery energy management system 1, 2 2 2 Li D inggen , L i Jingcheng , L i Jianlin ( 1 Institute of Energy an Pow er Engineering, Huazhong University of Science an Technology, Wuhan 430074, China; 2W anxiang E lectricV eh icle Co. , LTD, H angzhou 311215, Ch ina) Abs tract: To provi e goo pow er source for electric vehicles an ensure their safety an reliab ility, a battery energy management system w as esigne base on the characteristic of the L iion battery equippe onW anxiang electric ve h icle. The har w are an softw are of host computer an monitormo ule w ere esigne base on the usage requ ire ment of the battery packs. A mi ing at the equalization requ irement of the battery, the charge equalization control strategy w as propose . The battery matche group is intro uce an a reasonable batterymatche group scheme w as brought forw ar . Through practical test an app lication, the Liion battery energy managem ent system ach ieves goo effects on pure electric vehicles. K ey w ord s: electric vehicle; L iion battery; energy management; equalization; matche group [12] 1 120 Ah, 1, 1 , , , , ,