Results 21 to 30 of about 124,562 (325)

Supercapacitor assisted LDO (SCALDO) techniquean extra low frequency design approach to high efficiency DC-DC converters and how it compares with the classical switched capacitor converters [PDF]

open access: yes, 2013
Supercapacitor assisted low dropout regulators (SCALDO) were proposed as an alternative design approach to DC-DC converters, where the supercapacitor circulation frequency (switching frequency) is in the order of few Hz to few 10s of Hz, with an output ...
Kankanamge, Kosala, Kularatna, Nihal
core   +3 more sources

ЗАКОНОМІРНОСТІ ЗМІНЕННЯ ЕНЕРГОЕФЕКТИВНОСТІ РОЗРЯДУ СУПЕРКОНДЕНСАТОРА НА ЛІНІЙНЕ АКТИВНЕ НАВАНТАЖЕННЯ ПРИ ЗМІНІ ТРИВАЛОСТІ РОЗРЯДУ

open access: yesПраці Інституту електродинаміки Національної академії наук України, 2023
In the paper, the regularities of changes in electricity losses and the coefficient of its transfer to a linear active load during the discharge of a supercapacitor on the load under different conditions of interruption of discharge currents are ...
А.А. Щерба   +3 more
doaj   +1 more source

Kirigami-inspired, highly stretchable micro-supercapacitor patches fabricated by laser conversion and cutting. [PDF]

open access: yes, 2018
The recent developments in material sciences and rational structural designs have advanced the field of compliant and deformable electronics systems.
Ding, Geoffrey   +13 more
core   +2 more sources

Improvement of capacitive performance of polyaniline based hybrid supercapacitor

open access: yesHeliyon, 2021
This study focuses on synthesis of polyaniline composites and application as electrode material in the fabrication of hybrid supercapacitors. Hybrid supercapacitors were fabricated using aluminum foil as current collector, and conductive Polyaniline ...
Md. Mostafizur Rahman   +4 more
doaj   +1 more source

Research into the Effect of Supercapacitor Terminal Voltage on Regenerative Suspension Energy-Regeneration and Dynamic Performance

open access: yesShock and Vibration, 2017
To study the effect of supercapacitor initial terminal voltage on the regenerative and semiactive suspension energy-regeneration and dynamic performance, firstly, the relationship between supercapacitor terminal voltage and linear motor electromagnetic ...
Ruochen Wang   +4 more
doaj   +1 more source

Multi-Time scale control framework of hybrid energy storage system via robust control and virtual impedance

open access: yesEnergy Reports, 2022
Aiming at the problems of the strong randomness and fluctuation of the output power in photovoltaic power generation system, a multi-time scale control framework of hybrid energy storage system is proposed.
Shijie Yan   +4 more
doaj   +1 more source

Nonlinear Control of an AC-connected DC MicroGrid [PDF]

open access: yes, 2016
New connection constraints for the power network (Grid Codes) require more flexible and reliable systems, with robust solutions to cope with uncertainties and intermittence from renewable energy sources (renewables), such as photovoltaic arrays.
Damm, Gilney   +4 more
core   +3 more sources

Experimental Study of Storing Electrical Energy Generated by an Acoustic Energy Harvester Into a Supercapacitor

open access: yesIndonesian Journal of Applied Physics, 2023
Acoustic energy harvester is a device used to convert environmental noise into electrical energy. Many researches on acoustic energy harvesting have been carried out, but most of them have not yet reached the stage of storing the electrical energy ...
Ikhsan Setiawan   +2 more
doaj   +1 more source

Estimation of Supercapacitor Energy Storage Based on Fractional Differential Equations

open access: yesNanoscale Research Letters, 2017
In this paper, new results on using only voltage measurements on supercapacitor terminals for estimation of accumulated energy are presented. For this purpose, a study based on application of fractional–order models of supercapacitor charging/discharging
Ryszard Kopka
doaj   +1 more source

Dynamic Analysis of a Supercapacitor DC-Link in Photovoltaic Conversion Applications

open access: yesEnergies, 2023
In this work, a dynamic analysis describing the charge and discharge process of a supercapacitor for the DC-link between a photovoltaic source and a constant power load is presented. The analysis results in a complete nonlinear and dynamic model that can
Fabio Corti   +6 more
doaj   +1 more source

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