Stability Analysis of Converter-Connected Battery Energy Storage Systems in the Grid

被引:54
作者
Bazargan, Damon [1 ]
Filizadeh, Shaahin [1 ]
Gole, Ani M. [1 ]
机构
[1] Univ Manitoba, Dept Elect & Comp Engn, Winnipeg, MB R3T 5V6, Canada
基金
加拿大自然科学与工程研究理事会;
关键词
Average-value modeling; battery configuration; battery energy storage; converter stability; CAPACITY;
D O I
10.1109/TSTE.2014.2337053
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
This paper analyzes the stability of a battery energy storage system (BESS) connected to the grid using a power-electronic interface. It is shown that the internal resistance and internal voltage of the battery affect system stability. Variations in these parameters may occur due to aging and changes in the state-of-charge (SoC). Using average-value modeling, this problem is framed into a nonlinear system formulation and the region of stability as a function of the internal resistance and the internal voltage of the battery is determined. This paper also extends its results in determining the configuration of a battery pack in terms of the number of battery cells in series and parallel to prevent instability while meeting demand power requirements. The findings are useful both in the design and operation stages of large-scale battery storage systems in the grid.
引用
收藏
页码:1204 / 1212
页数:9
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