Electrical and Mathematical Modeling of
Supercapacitors are energy storage devices with high electrical power densities and long spanlife. Therefore, supercapacitor-based
A simplified electrical circuit model for a supercapacitor (SC) based on the voltage-current equation is proposed in this paper to address this issue. This model doesn't need an intensive test for accuracy.
Here, it is shown that consistent modelling of a supercapacitor can be done in a straightforward manner by introducing a dynamic equivalent circuit model that naturally allows a large number or a continuous distribution of time constants, both in time and frequency domains.
The aim of this study was to demonstrate that the dynamic equivalent circuit can be used to model the behaviour of supercapacitors if one allows for an interpretation in terms of a distribution of relaxation times.
The two-branch model is being used to simulate and study the supercapacitor's equivalent circuit. The supercapacitor model with improved performance that has been simulated in Simulink works which can be used alongside with the battery as a backup to satisfy the power needs of the load instantly and efficiently.
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