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Wiley
g‐Function‐Based Approach for Solving Nonlinear Resistor–Inductor–Diode Circuits
ABSTRACTThis brief presents a modeling approach for a nonlinear series resistor–inductor–diode (RLD) circuit powered by either a direct or alternating voltage source—a configuration commonly encountered in power electronics and energy conversion systems. Due to the diode's nonlinear current–voltage characteristic and the inductor's dynamic response, the circuit is governed by a nonlinear differential equation. Because this equation lacks a closed‐form analytical solution, a novel approximate solution...
Download 2025 Martin Ćalasan
AIP Publishing
Hybrid walrus optimization algorithm techniques for optimized parameter estimation in single, double, and triple diode solar cell models
Among all renewable energy sources, solar energy holds the greatest potential for electricity production. This transformation from solar to electrical energy is facilitated by solar cells, typically modeled using single-diode, double-diode, and triple-diode representations. In this study, we evaluate the effectiveness of the Walrus Optimization Algorithm (WOA) for estimating the parameters of these models. Furthermore, we introduce three innovative hybrid variants of WOA that incorporate chaotic...
Download 2024 Martin Ćalasan , Mihailo Micev , Snežana Vujošević
MDPI AG
On the Exact Analytical Formulas of Leakage Current-Based Supercapacitor Model Operating in Industrial Applications
The resistance–capacitance (RC) model is one of the most applicable circuits for modeling the charging and discharging processes of supercapacitors (SCs). Although this circuit is usually used in the electric and thermal investigation of the performance of SCs, it does not include leakage currents. This paper presents exact analytical formulas of leakage-current-based supercapacitor models that can be used in industrial applications, i.e., constant-power-based applications. In the proposed model,...
Download 2023 Ziad M. Ali , Martin Ćalasan , Shady H. E. Abdel Aleem , Hany M. Hasanien
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