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Academic literature on the topic 'Qualité d'électricité'
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Journal articles on the topic "Qualité d'électricité"
Celie, Sabrina, Guillaume Bontron, David Ouf, and Evelyne Pont. "Apport de l'expertise dans la prévision hydro-météorologique opérationnelle." La Houille Blanche, no. 2 (April 2019): 55–62. http://dx.doi.org/10.1051/lhb/2019015.
Full text-Javerzac, J. L. "Les engagements du gestionnaire de réseau de transport français RTE en matière de qualité de fourniture d'électricité." Revue de l'Electricité et de l'Electronique -, no. 11 (2002): 41. http://dx.doi.org/10.3845/ree.2002.119.
Full textZaetta, A., Ph Brossard, P. Engelvin, L. Corbier, J. P. Carreton, C. Callens, P. Rousset, et al. "Utilisation du plutonium de qualité militaire venant du démantèlement des armes russes pour les besoins civils de la production d'électricité." Revue Générale Nucléaire, no. 3 (May 2005): 52–56. http://dx.doi.org/10.1051/rgn/20053052.
Full textGirard, P., J. Y. Brana, and J. F. Fruget. "Surveillance sanitaire estivale des populations piscicoles du Rhône au voisinage du Centre Nucléaire de Production d'Électricité (CNPE) du Tricastin. Synthèse 2008–2013." Hydroécologie Appliquée 20 (April 28, 2017): 103–29. http://dx.doi.org/10.1051/hydro/2016003.
Full textCarrier, F., and E. J. Schiller. "Méthode de dimensionnement du réservoir dans les systèmes de pompage photovoltaïques." Revue des sciences de l'eau 6, no. 2 (April 12, 2005): 175–93. http://dx.doi.org/10.7202/705172ar.
Full textSTRICKER, L., and R. DOLLO. "La politique "ALARA" d'Électricité de France." Radioprotection 30, no. 1 (January 1995): 47–60. http://dx.doi.org/10.1051/radiopro/1995022.
Full textRANCILLAC, F., and A. DESPRES. "Comparaison de l'impact radiologique de la production d'électricité par des réacteurs à eau sous pression ou par des réacteurs de fusion du type Tokamak." Radioprotection 26, no. 2 (April 1991): 373–85. http://dx.doi.org/10.1051/radiopro/1991011.
Full textDissertations / Theses on the topic "Qualité d'électricité"
Plain, Nicolas. "Micro-réseaux d'électricité 100% solaire et isolés en Afrique. Eléments de dimensionnement, coût de l'électricité, dépendance au climat régional et au profil de demande Accounting for low solar resource days to size 100% solar microgrids power systems in Africa." Thesis, Université Grenoble Alpes, 2020. http://www.theses.fr/2020GRALU013.
Full textThe joint achievement of the United Nations sustainable development goal n°7 aiming at access to clean and reliable energy for all by 2030 and the climate objectives of the Paris agreement requires the development of microgrids (MG) powered by local renewable energy resources for isolated areas that cannot be connected to the grid. This is particularly the case in Sub-Saharan Africa where 600 million people, mainly in remote rural areas, do not have access to electricity. This thesis focuses on the analysis of solar MG not connected to the grid to meet the challenges of electricity generation in isolated areas in Africa. The socio-technical feasibility specific to these MG is based on a strong temporal adequacy between the solar resource and the demand while limiting the cost of the electricity supplied to the consumers.We first explore the multiscale temporal variability of the local solar resource in Africa and its implication on the MG sizing, using high-resolution satellite data of global horizontal irradiance for a 21-year period (1995-2015). The low percentile values of the solar resource give a first guess on the size of the solar panels surface required for the microgrid to achieve a given quality service. We show that the usual sizing of microgrids based on the average solar resource is underestimated. Taking into account low resources periods leads to oversizing the photovoltaic (PV) surface by a factor of 1.3 to 4. With such an oversizing, it is possible to ensure a good quality of service without relying on a large amount of storage. For certain areas, some demand flexibility during low resource periods would make it possible to reduce significantly the sizing.We then analyze how the potential seasonality of electricity demand impacts the size of fully solar-powered microgrids, through the analysis of the co-variability structure between solar resource and demand. We consider that the MG has to meet total daily demand at least 95% of days and a seasonal variation in demand of up to 30%. While in some parts of Africa the size required to meet seasonal demand is 20% lower than what is needed to meet non-seasonal demand, it may also be 20% higher. We also explore to what extent the effect of PV panels tilt angle could reduce the resource supply-demand mismatch and the sizing. Usually the tilt angle is equal to the latitude. For a constant daily demand, the gain in size achieved by optimizing tilt angle is generally less than 4%, but for specific seasonal demand patterns, it may reach 9%. In a number of locations, focused surveys and analysis to estimate the temporal structure of demand would nevertheless yield significant gains in MG size.Finally, the cost of electricity required to ensure a good quality of service is a determining factor of the potential deployment of solar MG. We evaluate the sensitivity of the levelized cost of electricity (LCOE) and of the MG optimal configuration (i.e. with the lowest LCOE) to solar panels and battery costs and to other economic parameters. If the sensitivity of the LCOE to updated costs is obviously large, the optimal configuration (surface of PV panels and storage capacity) is very robust. The optimal configuration is almost only determined by the temporal co-variability structure between the resource and the demand. It is thus dependent on the one hand on the regional climate, and on the other hand on the temporal structure of the demand. The adjustment variable is essentially the PV panels oversizing, which is based on the low solar resource days while storage has the main function of managing the resource-demand mismatch at sub daily level. One interesting result is the significantly lowest LCOE to ensure productive uses compared to domestic uses only because of the lower storage capacity required for productive uses. Such results have direct implications for all operational and institutional actors involved in the deployment of energy access in remote areas in Africa
Veizaga, Arevalo Maria. "Automation of power quality diagnosis of industrial electrical grids." Electronic Thesis or Diss., université Paris-Saclay, 2022. http://www.theses.fr/2022UPAST158.
Full textThe demand for power quality analysis has increased over the past decades. Voltage sags are the most frequent and impactful disturbances in industrial power grids, leading to high financial losses for industrial clients. The core of this thesis work is dedicated to the classification of voltage sag causes and their relative location to the monitoring point. The solution uses voltage and current waveforms as input to identify the causes of voltage sags in LV industrial grids. The methodology is based on four-dimension time series signatures, obtained through the application of the Short-Time Fourier Transform (STFT) and the Fortescue Transform. The source of a voltage sag is identified using a distance-based classification strategy with a custom distance measure based on the Dynamic Time Warping algorithm (DTW). In addition, the soft-DTW algorithm is used to reduce the size of the signature training database and increase speed. The performance of the method was analyzed in terms of class separability, prediction efficiency (accuracy and robustness to noise), and sensitivity to fundamental frequency variations. The proposal is resilient regarding noise levels up to an SNR = 15 dB and fundamental frequency variations up to +/- 0.5 Hz. Moreover, a confidence index on the prediction is proposed, increasing the algorithm's reliability. The proposal offers an easy implementation in industrial applications with no previous recorded data. It has the benefit of using a reduced-size reference database, entirely composed of synthetic data. The main advantages of the proposed method are its generalization capabilities and the possibility of raising an alert based on the confidence index. The obtained classification accuracy on synthetic data with seven causes is 100%. The method reaches a classification F1-score higher than 99% with field measurements representing five classes obtained from three different industrial sites. Finally, we also study the impact of voltage sags on industrial equipment. We propose a methodology to estimate the self-disconnected load composition following a voltage sag. The results showed some limitations in terms of harmonic interaction among the loads. Some of the limits of this approach are discussed, and several proposals to improve the load composition estimation for future work are made
Books on the topic "Qualité d'électricité"
Power Quality: VAR Compensation in Power Systems. CRC, 2008.
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