电化学储能电池荷电状态(SOC)估算技术对比分析

摘要

介绍了电化学储能系统中常用到的安时积分方法、开路电压法、负载电压法、卡尔曼滤波法、神经网络法以及最近新提出的数据融合算法等几种荷电状态(SOC)估算方法.基于电化学储能系统运行的实际工况,对比分析了各种估算技术的精确性、适用性及优缺点.%This paper introduced the basis of state of charge(SOC) definition,and some commonly used SOC estimation algorithm:ampere-hour integration,open-circuit voltage method,load voltage method,neural network method and a recently proposed data fusion algorithm.Based on the practical electrochemical energy storage system,it compared and analyzed the accuracy,applicability,advantages and disadvantages of various SOC estimation algorithms.