【摘 要】
：
准确估算单体电池状态是实现电池储能系统精准控制的关键,储能电池性能衰变性及运行路径的依赖性决定其外特性参数呈时变非线性,传统估算方法未考虑电池性能老化的影响,导致
【机 构】
：
现代电力系统仿真控制与绿色电能新技术教育部重点实验室(东北电力大学),吉林省吉林市 132012
论文部分内容阅读
准确估算单体电池状态是实现电池储能系统精准控制的关键,储能电池性能衰变性及运行路径的依赖性决定其外特性参数呈时变非线性,传统估算方法未考虑电池性能老化的影响,导致电池状态全生命周期估算适应性差.文中分析铅碳电池存储电量–端电压形成机理,构建基于Thevenin模型的铅碳电池开路电压、阻容参数辨识模型,基于大量电池充放电试验数据,挖掘出能够反映电池性能老化特性的铅碳电池工作电压与电池可用电量的关联关系,据此提出一种基于满放状态开路电压–可用电量关系的铅碳电池状态估算新方法,设计对比试验,验证所提出电池状态估算方法的有效性.
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