Electrical and Mathematical Modeling of Supercapacitors: Comparison

Zineb Cabrane and Soo Hyoung Lee
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Zineb Cabrane: Department of Electrical and Control Engineering, Mokpo National University, Mokpo 58554, Korea
Soo Hyoung Lee: Department of Electrical and Control Engineering, Mokpo National University, Mokpo 58554, Korea

Energies, 2022, vol. 15, issue 3, 1-12

Abstract: Supercapacitors are energy storage devices with high electrical power densities and long spanlife. Therefore, supercapacitor-based energy storage systems have been employed for a variety of applications. The modelling and simulation of SCs have been of great interest to this objective. This paper presents an electrical schema and mathematical modelling of three models of supercapacitors. The first is the RC model, the second is the two-branch model and the third is the multi-branch model. The objective of this modelling is to choose the best model that can respect the same behaviour of the experimental model. These models are compared with an experimental model. This comparison prove that the response voltage of the multi-branch model correctly describes the behaviour of the experimental model of Belhachemi. The disadvantage of this model is the slow simulation duration in MATLAB/Simulink. The RC model represented the faster model in terms of simulation. The choice of 15 branches in parallel in multi-branch models gives good results and correctly describes the reel model. The automatic charge and discharge voltage of SCs reduce by reducing the charge current.

Keywords: supercapacitors; RC model; two-branch model; multi-branch model (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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