Study of Photovoltaic Energy Storage by Supercapacitors through Both Experimental and Modelling Approaches
Author(s) -
PierreOlivier Logerais,
Olivier Riou,
Mohamed Ansoumane Camara,
Jean-Félix Durastanti
Publication year - 2013
Publication title -
journal of solar energy
Language(s) - English
Resource type - Journals
eISSN - 2356-7635
pISSN - 2314-6230
DOI - 10.1155/2013/659014
Subject(s) - supercapacitor , photovoltaic system , capacitance , energy storage , irradiance , materials science , capacitor , energy (signal processing) , solar energy , computer data storage , computer science , electrical engineering , optoelectronics , voltage , physics , optics , engineering , electrode , thermodynamics , computer hardware , power (physics) , quantum mechanics
The storage of photovoltaic energy by supercapacitors is studied by using two approaches. An overview on the integration of supercapacitors in solar energy conversion systems is previously provided. First, a realized experimental setup of charge/discharge of supercapacitors fed by a photovoltaic array has been operated with fine data acquisition. The second approach consists in simulating photovoltaic energy storage by supercapacitors with a faithful and accessible model composed of solar irradiance evaluation, equivalent electrical circuit for photovoltaic conversion, and a multibranch circuit for supercapacitor. Both the experimental and calculated results are confronted, and an error of 1% on the stored energy is found with a correction largely within ±10% of the transmission line capacitance according to temperature
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