摘要
储能系统为风电、光伏等波动性分布式电源接入电网提供了一种有效的方法,通过电池的串/并联可实现储能系统容量的扩大。针对由电池单体并联组成的并联型蓄电池系统,在考虑到电池单体的参数非线性及容量不一致性等特点的同时,利用并联电路工作特性,建立了一种基于内阻、端电压、容量等物理参数的并联型蓄电池系统的等效电路模型。通过电池系统在不同荷电状态(S0C)初始值条件下进行恒流放电时的仿真结果与实验数据对比,证明所提出等效电路模型具有较高的准确性。
As an alternative,battery energy storage system is an effective way.The distributed resources characterized with fluctuation can interconnect to the grid by the way,such as wind energy and photovoltaic.And the battery system supply high capacity when batteries are connected in parallel.In consideration of the nonlinear parameters and the inconsistency of the cells and the operation of parallel circuit,the electrical circuit battery model of the battery system is developed.The model is based on the parameters in terms of internal resistance,output voltage and available capacity. The proposed battery model is verified through simulations and experiments at constant discharging current with different initial state of charge（SOC）.
出处
《电力电子技术》
CSCD
北大核心
2013年第1期39-40,共2页
Power Electronics
基金
国家863计划项目(2011AA05A110)
博士点基金(20110073120029)~~
关键词
蓄电池
建模
等效电路
battery
modeling
electrical circuit
