https://revue.cder.dz/index.php/rer/issue/feed Journal of Renewable Energies 2022-01-06T11:05:30+00:00 JREEN EDITOR IN CHIEF editorial.jreen@gmail.com Open Journal Systems <p> </p> <p> </p> <center><strong>The Journal of Renewable Energies (Revue des Energies Renouvelables)</strong></center> <p> </p> <div style="width: 100%; padding: auto; height: auto;"><center><img src="https://revue.cder.dz/public/site/images/energiemanager/jreen-logo-home-page-2020.jpg" alt="" width="310" height="400" /><br /><strong>ISSN: 1112-2242</strong><br /><strong>EISSN: 2716-8247</strong></center><center></center></div> <div style="width: 100%; padding: 10px; height: auto;"> <p> </p> <p><strong>Description</strong></p> <p>The Journal of Renewable Energies (Revue des Energies Renouvelables) is an international peer-reviewed journal published by the Renewable Energy Development Center (CDER). The journal was founded in 1998 to promote research and dissemination of knowledge on renewable energy. The Journal of Renewable Energies covers a wide range of topics that include but not limited to solar, wind, geothermal, biomass energy, hydrogen, and the environment. Particular attention is paid to energy analysis and modelling, energy conservation and storage, energy efficiency, energy demand and supply. The journal also welcomes papers on studies with an interaction between renewable energies and other scientific fields such as thermodynamics, mechanics, electricity, chemistry, biology, materials science and the protection of the environment.</p> <p> </p> <p><strong>Editor-in-chief</strong></p> <div class="name">Amar HADJ ARAB, Director of Research</div> <div class="affiliation">Renewable Energy Development Center (CDER), Algiers, Algeria</div> <div class="email"><a href="mailto:editorial.jreen@gmail.com" rel="noreferrer">editorial.jreen@gmail.com</a></div> <p> </p> <p><strong>Support Contact</strong></p> <p>Mohamed DEBBACHE, Senior researcher.</p> <p>Renewable Energy Development Center (CDER), Algiers, Algeria</p> <p><a href="mailto:md.debbache@gmail.com">md.debbache@gmail.com</a></p> <p> </p> </div> https://revue.cder.dz/index.php/rer/article/view/980 Contrôle Avancé des Onduleurs Photovoltaïques Connectés au Réseau 2022-01-03T16:05:52+00:00 Linda Hassaine l.hassaine@cder.dz Issam Abadlia i.abadlia@cder.dz Antar Beddar a.beddar@cder.dz Fateh Abdoune f.abdoune@cder.dz Mohamed Rida Bengourina r.bengourina@cder.dz <p align="justify">L’énergie solaire photovoltaïque (PV) est parmi les énergies renouvelables la plus utilisée pour la production de l’énergie électrique. Le point le plus important en ce qui concerne l'intégration des systèmes photovoltaïques au réseau est le convertisseur de puissance, notamment les onduleurs qui ne sont pas tout à fait capables de fonctionner en mode avancé. Les nouvelles techniques en développement permettent d'améliorer les performances des onduleurs en assurant l'intégration correcte des systèmes photovoltaïques en tenant compte des caractéristiques du réseau. D’où, des exigences pour le contrôle avancé de l'onduleur connecté au réseau permettent le contrôle complet de l'énergie photovoltaïque fournie, toute en assurant une bonne qualité d’énergie, un faible Taux de Distorsion Harmonique (THD) des courants injectés dans le réseau et le contrôle de la puissance active et réactive. Ce papier présente, les configurations, la classification et les topologies des différents types d’onduleurs PV connectés au réseau. Un résumé concis des méthodes de contrôle pour les onduleurs monophasés et triphasés est également présenté. Un banc d’essai a été réalisé pour la validation expérimentale des techniques de contrôle proposées et développées.</p> 2021-12-31T00:00:00+00:00 Copyright (c) 2021 Journal of Renewable Energies https://revue.cder.dz/index.php/rer/article/view/981 Electrical and Optical Characterization of Non-Hydrogenated a-Si/c-Si Heterojunction Solar Cells 2022-01-03T16:15:21+00:00 Zoubeida Hafdi hafdiz@yahoo.com <p align="justify">This work deals with the performance of a heterojunction with intrinsic thin layer solar cell by sputtering silicon on p-type crystalline silicon substrate in argon ambient without hydrogen addition. This first effort was an attempt to use cost-effective means to convert light into electricity and to find fabrication processes which use fewer and cheaper materials for the fabrication of solar cells. Since transport mechanisms of amorphous silicon/crystalline silicon heterojunctions are still under investigation, the aim is to examine the behavior of the fabricated samples under electrical and optical constraints. Initial cell characterization includes electrical behavior via current-voltage characteristics and optical investigation via reflectance and absorptance measurements. Results are analyzed in a tentative to follow the absorption, generation and collection processes in the fabricated cell. The heterojunction interface is found to be a limiting factor in the cell performance. Under sun illumination, the open circuit voltage was 140 mV, the short circuit current was of 6 µA and the fill factor was of 42.56 %. Dark current-voltage characteristics indicated a tunneling and/or recombination carrier transport mechanism, while aborptance/reflectance measurements showed a generation process occurring in most in the crystalline silicon-side of the amorphous/crystalline silicon heterojunction. A carrier collection limitation is a very probable origin of the decreased cell generated current.</p> 2021-12-31T00:00:00+00:00 Copyright (c) 2021 Journal of Renewable Energies https://revue.cder.dz/index.php/rer/article/view/982 Study of two-dimensional transient heat transfer through a multi-layers wall: Application to the buildings thermal insulation 2022-01-03T18:42:58+00:00 Youcef Tamene y.tamene@univ-batna2.dz Cherif Boulebbina y.tamene@univ-batna2.dz <p align="justify">The two-dimensional transient heat conduction through a multilayers wall made of different materials and thicknesses was numerically resolved. The equations system resolution was carried out by Alternating direction implicit method (ADI). The outdoor and indoor temperatures and the convective coefficients used as boundary conditions in the developed Fortran program were from the Algerian regulatory technical document. After validation of the Fortran program with literature, it was used to studying the influence of different boundary conditions (bottom and top sides), on the thermal insulation in the building, for many configurations of external walls, usually used in building construction at Batna city (Algeria). Results showed that for the configurations that give bad thermal insulation, the conditions imposed on the top and bottom of the wall have practically no influence on the internal temperature of the multilayers wall, however, the opposite is observed for the configurations that ensure good thermal insulation.</p> 2021-12-31T00:00:00+00:00 Copyright (c) 2021 Journal of Renewable Energies https://revue.cder.dz/index.php/rer/article/view/983 Ressources oléagineuses alternatives pour la production du biodiesel en Algérie 2022-01-04T14:25:40+00:00 Mohammed Amouri m.amouri@cder.dz Majda Aziza m.aziza@cder.dz <p align="justify">Le monde, actuellement, est confronté à deux crises majeures ; l’épuisement des ressources énergétiques fossiles accompagné d’une dégradation de l’environnement. Le biodiesel, c’est-à-dire les mélanges de mono alkyle d’esters d’acides gras obtenus par les procédés d’estérification d’huiles végétales, est un biocarburant d’origine renouvelable qui peut se substituer au gazole issu de ressources fossiles. En outre, le biodiesel est un biocarburant non toxique, biodégradable, doué d’une excellente lubricité et d’un bilan de carbone théoriquement nul. Le choix de la matière première pour la production d’un biodiesel propre et durable est crucial. L’Algérie, par son immense diversité en matière d’écosystèmes, dispose de ressources potentielles prometteuses qui ne demandent qu’à être valorisées et développées. L’objectif de ce travail est de présenter quelques espèces végétales rencontrées à l’état sauvage en Algérie et parmi lesquelles les espèces Pistacia lentiscus, P. terebinthus, P. atlantica et Salvadora persica, qui peuvent être considérées comme sources prometteuses pour la production du biodiesel dans une perspective de développement durable et de valorisation des ressources locales.</p> 2021-12-31T00:00:00+00:00 Copyright (c) 2021 Journal of Renewable Energies https://revue.cder.dz/index.php/rer/article/view/984 Lab performance testing of a small Banki-Michell hydraulic turbine for remote applications 2022-01-04T14:48:12+00:00 Jean Bosco NIYONZIMA niyonzima75@gmail.com Patrick Hendrick patrick.hendrick@ulb.be <p align="justify">For decades, hydropower has been the most important renewable energy source in the world. The use of Banki-Michell turbine (B-M) in small hydropower constitutes an attractive solution for rural electrification in developing countries and off-grid applications. This robust turbine is easy to design and to construct and not expensive. A test bench (JLA 29) for remote applications was installed at the Aero-Thermo-Mechanics Department of the Brussels Polytechnic School of ULB to test this type of turbine. This paper aimed to present the efficiency results of the installed Banki-Michell turbine test bench for remote applications and these results helped to design a typical turbine adapted for remote sites such as the Ryamukona site located in Burundi. Two series of B-M turbine tests were carried out, by varying the flow rate using the turbine control valve opening placed inside the distributor and also by controlling the turbine speed using a Sinamics S 120 drive. The efficiency of the turbine varies between 40 and 60% for a flow range varying between 15 and 20% of the nominal flow. According to the tests made with a discharge above 20%, the efficiency of the turbine can reach easily 75 %. Based on this turbine efficiency, a typical B-M turbine of an electric power of 79.5 kWe turbine was designed for Ryamukona site which is a remote site located in Burundi.</p> 2021-12-31T00:00:00+00:00 Copyright (c) 2021 Journal of Renewable Energies https://revue.cder.dz/index.php/rer/article/view/985 Simulation and Analysis of Losses by Degradation in Photovoltaic Energy Production System 2022-01-06T11:05:30+00:00 Toufik Zarede zarede2015@gmail.com <p align="justify">Currently several technologies are being developed to produce electricity from renewable sources, and the degrees of maturity, performance and lifetime are very different from one technology to another. This work presents a study by a simulation and analysis for clarity the effect of aging of a photovoltaic module associated with an energy production system of renewable origin installed in a desert environment. The PV array has a nominal power of 9,2KWp, and the photovoltaic module used in this study is heterojunction with intrinsic thin layer technology of 230WP. During this work, we obtained the system production is 17131 KWh/year, the producible is 1862 KWh/KWp/year, and the normalized production is 5,10 KWh/KWp/day, with the losses of the system is 0,16KWh/KWp/day. The performance ratio of our simulated system is about 0,822, and the collection loss of the photovoltaic field is LC = 0,94KWh/KWP/day, with loss system is LS = 0,16 KWh/KWP/day, and the aging rate of photovoltaic module estimated by simulation around the 14% for 25 years of electrical production in a desert environment.</p> 2021-12-31T00:00:00+00:00 Copyright (c) 2021 Journal of Renewable Energies