Impact of balance resistor uncertainty on voltages across supercapacitors

Barić, Tomislav; Glavaš, Hrvoje; Barukčić, Marinko

doi:10.1016/j.est.2019.02.005

Cited by 4 publications

(3 citation statements)

References 5 publications

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“…Electrochemical energy storage devices are unavoidable parts of a clean energy portfolio [3,4]. Among these devices, supercapacitors (SCs) are electrochemical devices, electrochemical double layer capacitors or ultracapacitors are also common names for energy storage devices, whose storage mechanisms are based on a faradic process [5][6][7][8]. SCs are used for fast charging and discharging.…”

Section: Introductionmentioning

confidence: 99%

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Electrical and Mathematical Modeling of Supercapacitors: Comparison

Cabrane

Lee

2022

Energies

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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.

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Section: Introductionmentioning

confidence: 99%

“…However, the output voltage of an SC is between 2.1 V and 2.7 V. To achieve the appropriate voltage for an application that needs a high voltage, SCs should be connected in series. To improve the current, SCs should be connected in parallel [5].…”

Section: Introductionmentioning

confidence: 99%

Electrical and Mathematical Modeling of Supercapacitors: Comparison

Cabrane

Lee

2022

Energies

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“…The tool provides sensitivity computation and analysis to design fault-resistant circuits and generate test vectors. The recent study using the uncertainty analysis was conducted by T. Barić et al [19]. The authors investigated the impact of balance resistor uncertainty on super-capacitors voltage and derived mathematical expression for the impact.…”

Section: Introductionmentioning

confidence: 99%

Uncertainty and sensitivity analysis applied to a voltage series operational amplifier

Ibrahim

Soh²,

Hadis³

et al. 2021

IJEECS

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This paper investigates the applied uncertainty and sensitivity analysis to resistors used in voltage series operational amplifier circuit. Two resistors bands are considered which are the gold band (5% uncertainty) and the silver band (10% uncertainty). To generate resistors uncertainty sample points, the SIMLAB uncertainty and sensitivity tool is used. A total of sample points based on Sobol’ technique has been created for each resistor band. The voltage series amplifier is modelled in MATLAB/Simulink. A MATLAB script has been written to execute Monte-Carlo simulations for reading the resistor sample points, updating and executing the voltage series model and finally calculating the voltage gain. The result of uncertainty analysis shows that the produced voltage gain is uncertain within the range of for the gold band and for the silver band with respect to a reference voltage gain. The result of sensitivity analysis shows that each resistor, although their values are different, contributes equally contribution to the uncertainty of voltage gain.

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Optimal charging of supercapacitors with user-specified charging time

Peng

et al. 2023

Journal of Energy Storage

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Impact of balance resistor uncertainty on voltages across supercapacitors

Cited by 4 publications

References 5 publications

Electrical and Mathematical Modeling of Supercapacitors: Comparison

Electrical and Mathematical Modeling of Supercapacitors: Comparison

Uncertainty and sensitivity analysis applied to a voltage series operational amplifier

Optimal charging of supercapacitors with user-specified charging time

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