一种储能电池的数据解析及模型验证方法

Data analysis and model verification method for batteries

随着新型能源系统构建,大量储能电池接入系统,运用物联网、大数据等技术提升其管理水平势在必行。基于储能电池运行特性分析,提出了一种数据解析及模型验证方法。分析了储能电池的数据采集及传输方式,研究了控制器局域网络(CAN)报文的帧解析及数据提取方法,给出了具体算法流程。结合电池二阶等效电路模型,研究了储能电池数据模拟方案,包括开路电压查表获取方法及动态电压迭代算法。研究了个人计算机(PC)侧工具开发方案,包括界面设计及功能布局。实例应用结果表明,该方法可用于储能电池数据解析及模型验证。

Under the construction of new power system,massive batteries are connecting the power system,which makes the development of IoT and big data technologies overwhelming.A data analysis and model verification method to analyze the operation characteristics of batteries is proposed.Firstly,the data acquisition and transmission modes of a battery are studied.Based on the parser and data extraction method of Controller Area Network(CAN)message,the specific algorithm is given.Considering the second-order equivalent circuit model of the battery,the simulation scheme for the battery is carried out,including the table look-up method for the open circuit voltage and iterative algorithm for the dynamic voltage.Finally,a PC tool of the functions above is developed.The specific application example includes the interface design and function layout.The experimental results show that the tool can be used for data analysis and model validation of batteries.