Academic literature on the topic 'Energies renouvelables'
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Journal articles on the topic "Energies renouvelables"
Vallet, Cédric. "Energies renouvelables : l’Europe relève l’ambition." Alternatives Économiques N° 434, no. 5 (June 7, 2023): 66–67. http://dx.doi.org/10.3917/ae.434.0066.
Full textde Ravignan, Antoine. "Energies renouvelables : intox sur les coûts." Alternatives Économiques 291, no. 5 (June 1, 2010): 62. http://dx.doi.org/10.3917/ae.291.0062.
Full textDevin, Bernard, and Patrick Piro. "Energies renouvelables : l'alternative n'est pas toute verte." Alternatives Internationales 33, no. 12 (December 1, 2006): 39. http://dx.doi.org/10.3917/ai.033.0039.
Full textRANDRIANARIVELO, Mamy Nirina Rolland, and ANDRIANARISON Edouard RAVALISON. "Changement Climatique Et Transition Enérgétique : Quel Avenir Pour Madagascar ?" International Journal of Progressive Sciences and Technologies 34, no. 2 (October 21, 2022): 295. http://dx.doi.org/10.52155/ijpsat.v34.2.4621.
Full textMosbah, Mahdi. "Energies Renouvelables en Tunisie : Esquisse du Cadre légal." المحاماة, no. 6 (December 2014): 2–25. http://dx.doi.org/10.12816/0012248.
Full textSorin, Francis. "Energies renouvelables et nucléaire : clés du développement durable." Revue Générale Nucléaire, no. 3 (May 2003): 64. http://dx.doi.org/10.1051/rgn/20033064.
Full textIguergazix Dahmoun, Wassila. "Energies renouvelables : l’un des pivots du développement durable en Algérie." International Journal of Advanced Research on Planning and Sustainable Development 4, no. 1 (June 1, 2021): 46–68. http://dx.doi.org/10.21608/ijarpsd.2021.187269.
Full textBoughali, Slimane, Djamel Bechki, Djamel Mennouche, Hocine Mahcene, Hamza Bouguettaia, and Bachir Bouchekima. "Opportunites et Challenges de la Promotion des Energies Renouvelables en Algerie." حوليات العلوم و التكنولوجيا 5, no. 1 (May 2013): 53–62. http://dx.doi.org/10.12816/0010600.
Full textAnouar, Khadija. "Energies Renouvelables au Maroc : Les Collectivites Territoriales Ont - Elles les Moyens D'agir ?" المنارة للدراسات القانونية و الإدارية, no. 9 (March 2015): 45–50. http://dx.doi.org/10.12816/0016941.
Full textWojtarowski Leal, Astrid. "Valoración del patrimonio biocultural en un área natural protegida, el caso de El Cuyo, Yucatán, México / Valuation of the biocultural heritage in a protected natural area, the case of El Cuyo, Yucatán, México." Revista Trace, no. 78 (July 31, 2020): 204. http://dx.doi.org/10.22134/trace.78.2020.711.
Full textDissertations / Theses on the topic "Energies renouvelables"
Schneider, Frédéric. "Les energies marines renouvelables face au droit." Thesis, Nice, 2013. http://www.theses.fr/2013NICE0010.
Full textThe issue of marine renewable energies raises complex legal problems which interest the Law in its International, European and Domestic dimension. The effervescence of public and private initiatives on the matter requires a tailored approach to improve and develop legal instruments to support development of ocean energies. This approach elicits three levels of analysis. According to the International Law, it is marked by an environmental objective resulting from public interest. In this sense, marine energy conversion does not generate greenhouse gas emissions and its impact on the marine environment is generally minimal. With the help of these renewable energies, States will be able to respect their supranational commitments, particularly regarding climate change. In addition, the Law of the Sea provides legal certainty in the use of ocean space, by defining not only rights but obligations to coastal states. At the European level, legal certainty is connected to the target of at least 20 % share of energy from renewable sources in the Union's gross final consumption of energy by 2020, and is especially encouraged by the North Seas Countries' Offshore Grid Initiative in the context of the Europe's emerging renewable energy market. On a National perspective, the analysis of Comparative Law highlights the best practices related to offshore renewable development in terms of promoting investment and sustainable ocean management
Elkadhi, Hayfa. "Trois essais sur les investissements dans les energies renouvelables." Thesis, Université Clermont Auvergne (2017-2020), 2019. http://theses.bu.uca.fr/nondiff/2019CLFAD013_ELKADHI.pdf.
Full textRecently, growth in global investments in renewable energy (IRE) has been so rapid. In fact, renewable energy (RE) is considered as an alternative to deal with global warming, with the scarcity of natural resources, with the increase in energy demand, with the volatility of fossil fuel prices and with the unequal distribution of energy sources. This study attempts to shed more light on the IRE. The study’s prime goal is to evaluate the return on the IRE. It analyses theoretically and empirically the impact of the IRE on the greenhouse gas (GHG) emissions and on Total Factor Productivity (TFP). The study’s second goal is to evaluate the effectiveness of the policies that support the development of RE. The first chapter showed how the relationship between IREs and CO2 emissions is not linear, but, rather, it follows an inverted U-shaped curve. In other words, IREs have a positive impact on CO2 emissions until the investments reach a certain level, beyond which the IREs impact on CO2 emissions becomes negative. The current study has analyzed this relationship empirically by means of the panel threshold regression (PTR) model. The second chapter explores the relationship between IRE and productivity. Referring to the theory of endogenous growth, the study empirically tested the main hypothesis, that IRE positively affects the TFP growth. The empirical study was conducted on a panel of 43 developed and developing countries, using the GMM-system methodology. Study’s findings confirm that IRE have a positive affect on the Total Factor Productivity growth. Indeed, this positive impact is theoretically explained by the fact that the IRE encourages technology transfer and it generates significant knowledge spillovers. The third chapter of the thesis discusses the role and the impact of the policies that encourage the development of RE on IRE. Specifically, in this chapter we evaluate the effectiveness of these policies to attract renewable energy investments in electricity-generating capacity. The results show that the market instruments increase the IREs, although command or control instruments have no or a negative effect, with the exception of low-income countries. Moreover, a combination of "market-pull" and "market-push" instruments can supports the IREs. We also note that IRE support goes through the instruments that indirectly affect these investments. Indeed, to encourage IREs, it is better to act upstream, by spurring research, development and deployment (RDD) in the RE sector, and downstream, by stimulating the production of renewable electricity, through Guaranteed Purchase Rates or Feed-in-Tariffs (FIT)
Abdelouadoud, Seddik Yassine. "Intégration des énergies renouvelables au réseau de distribution d'électricité." Thesis, Paris, ENMP, 2014. http://www.theses.fr/2014ENMP0071/document.
Full textMany countries have set up mechanism support in favor of renewable energy development at a short or long term, while, in parallel, long-term scenarios of predominantly renewable energy provisioning are studied. Some of these energies are intermittent and non-dispatchable and, due to the low economies of scale they exhibit, can be deployed in a decentralized manner, integrated in buildings and connected to the distribution system.However, the methods and tools currently used to plan and operate the power system rely on hypothesis of centralized generation and passive distribution network. In this context, this thesis contributes to the development of a method aimed at simulated an active distribution network by proposing three novel approaches: a decomposition and coordination method allowing the integrated simulation of the centralized power system and the active distribution network, an algorithm to solve the single-stage optimal power flow in the distribution system as well as two criticality criteria allowing to decrease the computational burden of the simulation when it is used for planning purposes
Ramahaleomiarantsoa, Fanjason Jacques. "Diagnostic des systèmes à énergies renouvelables de type éolien." Phd thesis, Université Pascal Paoli, 2013. http://tel.archives-ouvertes.fr/tel-01022178.
Full textVechiu, Ionel. "MODELISATION ET ANALYSE DE L'INTEGRATION DES ENERGIES RENOUVELABLES DANS UN RESEAU AUTONOME." Phd thesis, Université du Havre, 2005. http://tel.archives-ouvertes.fr/tel-00179164.
Full textCependant, des améliorations dans la conception et le fonctionnement des SEH sont toujours nécessaires pour rendre cette technologie plus compétitive dans les régions isolées. Ainsi, le travail de recherche présenté dans cette thèse est une contribution à l'analyse du comportement et à la maîtrise des performances d'un SEH constitué par deux sources d'énergie renouvelable, un générateur diesel et des batteries de stockage. Ce type de système est étudié selon trois aspects : dimensionnement, maximisation de l'utilisation des ressources renouvelables et qualité de l'énergie électrique.
Pour maximiser l'utilisation des ressources renouvelables, le dimensionnement et le choix du fonctionnement des composants sont réalisés en tenant compte des ressources énergétiques disponibles, ainsi que des contraintes d'utilisation. Ensuite, les modèles de simulation pour les sources du SEH, les éléments d'interconnexion et le système de stockage sont développés et réunis dans une bibliothèque de modèles paramétriques sous l'environnement MATLAB/Simulink. Les modèles de simulation, suffisamment précis, sont utilisés de manière modulaire pour une plus grande flexibilité dans l'étude du comportement dynamique du SEH et pour tester différentes stratégies de commande. Cette démarche permet ainsi de créer des scénarios de conditions de fonctionnement pour le SEH et de faire varier par la simulation, les sources d'énergie et/ou le niveau et le type de charge. Chaque composant du SEH étudié inclut une stratégie de commande, dans le but soit de satisfaire un critère énergétique, soit de permettre de reproduire un comportement dynamique réaliste.
En vue de pouvoir analyser et améliorer la qualité de la tension, nous avons développé des modèles capables de rendre compte et de traiter les déséquilibres. Un convertisseur bidirectionnel à quatre bras est proposé comme solution pour équilibrer la tension générée en conditions de charge déséquilibrée. Des commandes spéciales associées à cette structure ont été proposées pour améliorer la qualité de la tension aux bornes de la charge.
Les résultats obtenus en simulations montrent qu'avec l'électronique de puissance et des stratégies de commande appropriées, il est possible d'avoir un degré plus élevé d'intégration des sources d'énergie renouvelable et d'améliorer la qualité de l'énergie générée par un SEH.
Gonzalez, Vieyra Joel Abraham. "Estimation et Contrôle des Systèmes Dynamiques à Entrées Inconnues et Energies Renouvelables." Thesis, Ecole centrale de Lille, 2019. http://www.theses.fr/2019ECLI0012/document.
Full textNowadays, industrial processes must be efficient, particularly at the production level and/or energy consumption.This research work aims at improving the process efficiency by analysing the influences of disturbances on their behaviour, from the conception phase to the synthesis of controller/observer, in an integrated approach.The disturbance rejection problem is first introduced as well as different control laws allowing attenuate/reject these disturbances. A control law based on the concept of derivative state variable is presented and validated while applied as disturbance rejection.In order to reject the disturbance, different physical variables must be estimated, such as state variables, derivative state variables as disturbance variables. An unknown input observer based on the bond graph representation is recalled and extended in the multivariable case. It is the first theoretical contribution of this work.We thus compare the efficiency of different so-called «modern control laws» for the disturbance rejection problems by simulation with the Torsion-Bar system example. We analyse the efficiency of our approach. One extension to the Input-Output decoupling problem allows us to extend the disturbance rejection problem to other control law type in an integrated approach. At least, these techniques are applied on the real Torsion-Bar system and compared. We validate our approach.Since this work aims at analysing and developing efficient control laws for industrial processes, a simplified model of a hydroelectric plant is developed, in order to apply our results. A simplified bond graph model is validated with simulations
Pillot, Benjamin. "Planification de l’électrification rurale décentralisée en Afrique subsaharienne à l’aide de sources renouvelables d’énergie : le cas de l’énergie photovoltaïque en République de Djibouti." Thesis, Corte, 2014. http://www.theses.fr/2014CORT0005/document.
Full textOver the 40 past years, growth of renewable energies benefited of the new world energy frame, which resulted of the questioning about what development of human societies had to be. Furthermore, although human development comes with electricity, the rural condition of many populations of sub-Saharan Africa incites us to look for suitable power supply alternatives. Eventually, in this specific context, renewable energies can represent a reliable solution to the off-grid electrification of rural peoples. However, this solution has to be economical and technical, and not only political.The Republic of Djibouti is a little developing country located in the Horn of Africa which perfectly symbolizes the social and energy challenges of rural populations in Sub-Saharan Africa. Instability and limitation of the existing electrical grid, fuel cost and lack of fossil resources point to the geographically diffused solar resource as probably the best way to improve human development and reduce poverty of Djiboutian rural peoples. Therefore, we have considered the study of photovoltaic (PV) systems within the rural off-grid electrification frame.Firstly, in order to evaluate relevance of these systems, it was necessary to estimate level and repartition of the solar resource across the country. So we developed a solar atlas, i.e. cartography of the hourly solar irradiation reaching the ground, based on satellite-derived irradiance estimates retrieved between 2008 and 2011. For assessing the atlas quality, we compared irradiation estimates with ground measures retrieved on 4 different sites by 2 temporary weather stations deployed between 2010 and 2013. Finally, yearly map extracted from the atlas showed that, with a daily mean irradiation of 5,87kWh/m².day, the solar potential of Djibouti is one of the most significant in the world.Satellite models are useful for determining solar irradiance at ground level but they don’t take into account local topography effects. In order to incorporate these shading effects to the satellite-derived irradiance maps, and so improve irradiance accuracy and spatial resolution, we used a Digital Elevation Model (DEM). Firstly, this disaggregation process was based on the development of a new fast horizon algorithm which was assessed by means of topographic measures in Corsica Island. Then, by correcting irradiance with this horizon for each pixel of the DEM, we improved geographic information of the solar irradiation atlas.Although solar resource is the first indicator of the photovoltaic potential, other elements, as environmental parameters or endogenous characteristics of photovoltaic modules, also have to be taken into consideration for precisely estimating energy produced by a PV system. Hence, by means of different models, we evaluated influence of irradiance and temperature onto the conversion efficiency of a PV generator to finally retrieve the atlas of the PV potential across the country. In conclusion, by combining this cartography to a multi-criteria approach comparing relevance between PV systems and classical power supply systems within the rural electrification scheme, we developed the first photovoltaic decision making tool of the country intended for all officials who are acting in the energy field
Labbé, Julien. "L’ hydrogène électrolytique comme moyen de stockage d’électricité pour systèmes photovoltaïques isolés." Paris, ENMP, 2006. http://www.theses.fr/2006ENMP1434.
Full textStand alone systems supplied only by a photovoltaic generator need an energy storage unit to be fully self-sufficient. Lead acid batteries are commonly used to store energy because of their low cost, despite several operational constraints. A hydrogen-based energy storage unit (HESU) could be another candidate, including an electrolyser, a fuel cell and a hydrogen tank. However many efforts still need to be carried out for this technology to reach an industrial stage. In particular, market outlets must be clearly identified. The study of small stationary applications (few kW) is performed by numerical simulations. A simulator is developed in the Matlab/Simulink environment. It is mainly composed of a photovoltaic field and a storage unit (lead acid batteries, HESU, or hybrid storage HESU/batteries). The system component sizing is achieved in order to ensure the complete system autonomy over a whole year of operation. The simulator is tested with 160 load profiles (1 kW as a yearly mean value) and three locations (Algeria, France and Norway). Two coefficients are set in order to quantify the correlation between the power consumption of the end user and the renewable resource availability at both daily and yearly scales. Among the tested cases, a limit value of the yearly correlation coefficient came out, enabling to recommend the use of the most adapted storage to a considered case. There are cases for which using HESU instead of lead acid batteries can increase the system efficiency, decrease the size of the photovoltaic field and improve the exploitation of the renewable resource. In addition, hybridization of HESU with batteries always leads to system enhancements regarding its sizing and performance, with an efficiency increase by 10 to 40 % depending on the considered location. The good agreement between the simulation data and field data gathered on real systems enabled the validation of the models used in this study
Aye, Fouad. "INTEGRATION DES ENERGIES RENOUVELABLE POUR UNE POLITIQUE ENERGETIQUE DURABLE A DJIBOUTI." Phd thesis, Université Pascal Paoli, 2009. http://tel.archives-ouvertes.fr/tel-00605579.
Full textCany, Camille. "Interactions entre énergie nucléaire et énergies renouvelables variables dans la transition énergétique en France : adaptations du parc électrique vers plus de flexibilité." Thesis, Université Paris-Saclay (ComUE), 2017. http://www.theses.fr/2017SACLC015/document.
Full textThe French power system is transitioning towards a more diversified low carbon mix. The power mix is characterised by a high nuclear share which is to remain significant and the target to increase variable renewables (wind and solar) by 2050. When introduced massively, wind and solar trigger new needs for back-up power, both in the short and long term, to answer the flexibility required in order to maintain the reliability target level of the power system. All flexibility options should be complementarily developed, given their characteristics, and nuclear will have a role to play in this context.How could the French power mix be adapted towards more flexibility while maintaining a low-carbon level and mastering associated costs? The purpose of this PhD thesis is to shed light on this issue thanks to a techno-economic analysisAt first, interactions between nuclear and variable renewables are analysed thanks to two complementary approaches. On the one hand, a technical perspective is adopted by confronting prospective nuclear load-following requirements to the fleet theoretical capabilities. On the other hand, thanks to a techno-economic approach, we evaluate the additional cost of ensuring part of the flexibility requirements with the nuclear fleet and examine options to reduce this cost to make nuclear back-up competitive. These two approaches are based on the construction of realistic scenarios by 2030 and 2050.The French nuclear fleet will be asked for a strong increase of the load following operations with growing wind and solar shares. Even if the nuclear fleet can enable higher power ramps and amplitude variations, when wind and solar account for more than 30% in the total demand, compensating for the power variations induced would require complementary means. From a fleet management perspective, it would be beneficial to favour wind compared to solar in the power mix. The latter induces extreme power ramps and amplitudes for the nuclear fleet.The nuclear production cost could be significantly increased with the decrease of the nuclear utilisation rate. In the transition phase, it would be of great importance to promote a progressive replacement of the nuclear fleet to compensate for the production cost increase. In the case of new nuclear investments, a carbon price increase could make nuclear back-up able to compete with combined-cycle gas turbine plants as the alternative back-up option. Anticipating the development of new outlets becomes crucial to guide future investments in low-carbon power plants.To bypass the issue of the nuclear utilisation rate reduction, it would be worth considering taking advantage of the available excess energy to produce valuable products while providing flexibility services to the grid. Hydrogen production, as a flexible power demand, could enhance synergies between nuclear and variable renewables through new markets to valorise the excess nuclear energy. When wind and solar shares increase, along with the hydrogen market expected growth driven by mobility uses, opportunities are created for the nuclear operator. If the French nuclear capacities are maintained and if an adapted business model is developed, nuclear-hydrogen coproduction could answer the hydrogen demand by 2030. Other options could be considered to find outlets to the excess power such as the development of power exportations or the coproduction of heat and electricity.Overall, in order to foster synergies between low-carbon power plants, the change of the nuclear share in the French power mix should be apprehended through dynamics adapted to the penetration of renewables as well as to the deployment of hydrogen markets, and new markets in general
Books on the topic "Energies renouvelables"
Pellecuer, Bernard. Energies renouvelables et agriculture: Perspectives et solutions pratiques. Paris: France agricole, 2007.
Find full textCameroon. Ministry of Mines, Water and Energy. Technical Adviser no. 2., ed. Energies nouvelles et renouvelables et consommation énérgétique des ménages. Yaoundé: République du Cameroun, Ministère des mines, de l'eau et de l'énergie, Conseiller technique no. 2, 1993.
Find full textRüdiger, Mautz, ed. Renewable energies. London: Routledge, Taylor & Francis Group, 2015.
Find full textTransport, European Commission Directorate-General for Energy and. Renewable energy sources statistics in the European Union, 1989-1997. Luxembourg: Office for Official Publications of the European Communities, 2000.
Find full textPeter, Palinkas, and European Parliament. Directorate-General for Research., eds. Community action plan for renewable energies =: Aktionsplan der Gemeinschaft fu r Erneuerbare Energie = Plan d'action Communautaire dans le domaine des energies renouvelables. Luxembourg: European Parliament, 1996.
Find full textGodfrey, Boyle, and Open University, eds. Renewable energy. 2nd ed. Oxford: Oxford University Press in association with the Open University, 2004.
Find full textW, Tester Jefferson, ed. Sustainable energy: Choosing among options. Cambridge, Mass: MIT Press, 2005.
Find full textOAU/STRC, Inter-African Symposium on New Renewable and Solar Energies (3rd 1997 Pretoria South Africa). Third OAU/STRC Inter₋African Symposium on New, Renewable and Solar Energies: Troisieme Symposium Inter₋African OAU/CSTR sur les energies nouvelles, renouvelables et solaires. Pretoria: Dept. of Minerals and Energy, 1999.
Find full textLevrel, Harold, and Gaëlle Gueguen-Hallouët. Energies marines renouvelables: Enjeux juridiques et socio-économiques : actes du colloque de Brest, 11 et 12 octobre 2012. [Paris]: Éditions A. Pedone, 2013.
Find full textBook chapters on the topic "Energies renouvelables"
Bourdier, Laure. "Les collectivités territoriales et l’État en Région face au développement des Energies Marines Renouvelables." In Sociologie de l'énergie, 187–94. CNRS Éditions, 2015. http://dx.doi.org/10.4000/books.editionscnrs.25923.
Full textConference papers on the topic "Energies renouvelables"
VIGNE, Pierre, and Sébastien BOULAND. "Energies marines renouvelables: Spatialisation de la pêche professionnelle." In Journées Nationales Génie Côtier - Génie Civil. Editions Paralia, 2022. http://dx.doi.org/10.5150/jngcgc.2022.068.
Full textNabti, Zineb, Tarik Bordjiba, Sara Bezzazi, and Imane Saidia. "Electrodeposition of manganese oxide on carbon paper and their applications in renewable energies Electrodeposition de l’oxyde de manganese sur le papier de carbone et leurs applications en énergies renouvelables." In 2018 International Conference on Electrical Sciences and Technologies in Maghreb (CISTEM). IEEE, 2018. http://dx.doi.org/10.1109/cistem.2018.8613576.
Full textReports on the topic "Energies renouvelables"
Bolinger, Mark, Ryan Wiser, and William Golove. Centrales au gaz et Energies renouvelables: comparer des pommes avec des pommes. Office of Scientific and Technical Information (OSTI), October 2003. http://dx.doi.org/10.2172/842891.
Full textAndersson, Göran, and Daniel Meierhans. Synthèse thématique «Réseaux d’énergie» du PNR «Energie». Swiss National Science Foundation (SNSF), December 2019. http://dx.doi.org/10.46446/publication_pnr70_pnr71.2019.2.fr.
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