储能用铅蓄电池等效电路建模与参数辨识  

Modeling and Parameter Identification of Lead Battery Equivalent Circuit for Energy Storage

作　　者：刘鑫 刘松涛[1] 郁金星 陈传敏[1] LIU Xin;LIU Songtao;YU Jinxing;CHEN Chuanmin(Department of Environmental Science and Engineering,North China Electric Power University,Baoding Hebei 071003,China;State Grid Hebei Electric Power Research Institute,Shijiazhuang Hebei 050021,China)

机构地区：[1]华北电力大学环境科学与工程学院,河北保定071003 [2]国网河北省电力有限公司电力科学研究院,河北石家庄050021

出　　处：《信息与电脑》2023年第7期9-14,共6页Information & Computer

基　　金：河北省重点研发计划(项目编号:21373805D);国家电网公司总部科技项目(项目编号:8100-202013151A-0-0-00)。

摘　　要：为了确保储能电池系统的安全与稳定运行,需要精确地建立储能用铅酸蓄电池模型。由于电池系统运行工况比较复杂,因此选取电池荷电状态作为主要影响因素,并对不同荷电状态下的电池模型参数进行辨识,以保障模型的实时性和精准度。文章以储能用铅酸蓄电池为研究对象,采用二阶RC等效电路模型,通过分析脉冲放电实验数据的特性,得到相关的模型参数,利用恒流放电试验数据对模型进行了分析。结果显示,电池模型误差较小,具有较高的准确度。In order to ensure the safe and stable operation of the energy storage battery system,it is necessary to establish an accurate lead-acid battery model for energy storage.Due to the complex operating conditions of the battery system,the battery charging state is selected as the main influencing factor,and the battery model parameters under different charging states are identified to ensure the real-time performance and accuracy of the model.This paper takes lead-acid battery for energy storage as the research object,adopts the second-order RC equivalent circuit model,obtains the relevant model parameters by analyzing the characteristics of pulse discharge test data,and analyzes the model by using the constant discharge test data.The results show that the battery model has low error and high accuracy.

关 键 词：阀控铅酸蓄电池 参数辨识 二阶RC模型 

分 类 号：TM912[电气工程—电力电子与电力传动]