Modeling the Battery Charging from Solar Cells
DOI:
https://doi.org/10.24160/1993-6982-2026-3-24-29Keywords:
solar cell, battery charge, integral equation, SimInTech environment, logistic law based model, autonomous power systemAbstract
The article presents a mathematical model of the battery charging process from solar cells, which takes into account the nonlinear dependence of current and voltage. The charging process is described by an integral equation based on the logistic law of charge accumulation under varying voltage. The model is implemented in the SimInTech environment using a block-based approach that reflects the physical interrelations between system parameters. A model constructing methodology has been developed, which incorporates a feedback between the current, voltage, and state of charge, with an algebraic loop break to ensure numerical solution stability. The resulting model can be applied to analyze the efficiency of photovoltaic systems, estimate the battery charging time, and optimize the configuration of autonomous low-voltage networks.
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Для цитирования: Рехвиашвили С.Ш. Моделирование заряда аккумуляторной батареи от солнечных элементов // Вестник МЭИ. 2026. № 3. С. 24—29. DOI: 10.24160/1993-6982-2026-3-24-29.
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For citation: Rekhviashvili S.Sh. Modeling the Battery Charging from Solar Cells. Bulletin of MPEI. 2026;3:24—29. (in Russian). DOI: 10.24160/1993-6982-2026-3-24-29
