Article
Design and Simulation of Active Cell Balancing using MATLAB/SIMULINK
The phenomenon of cell imbalance usually affects the performance of multi-cell energy storage devices, where variations exist in terms of cell voltage and SoC. It causes low efficiency and poor utilization of battery energy. Therefore, this paper explores an active cell balancing scheme to improve energy distribution and utilization within a cell. This paper proposes and analyzes the simulation of a cell balancing algorithm via the use of the MATLAB/Simulink modeling software package, considering multiple cells with various initial SoCs. In order to equalize the charge distribution among different cells, the charging process involves transferring excessive charges from higher-energy cells to lower-energy cells. From the obtained results, it is clear that the disparity between the SoC values of cells reduces to zero, showing no sign of instability. Similarly, voltage differences have been minimized, which demonstrates successful redistribution. It is evident that the proposed algorithm performs efficiently and reliably since the differences between the SoC values of various cells have reduced significantly to the point of reaching equality
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