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Дисертації з теми "Intermittent Renewable Energy"

Автор: Grafiati

Опубліковано: 19 червня 2021

Оновлено: 29 липня 2025

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1

Grange, Léo. "Datacenter management for on-site intermittent and uncertain renewable energy sources." Thesis, Toulouse 3, 2019. http://www.theses.fr/2019TOU30176.

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Анотація:

Les technologies de l'information et de la communication sont devenues, au cours des dernières années, un pôle majeur de consommation énergétique avec les conséquences environnementales associées. Dans le même temps, l'émergence du Cloud computing et des grandes plateformes en ligne a causé une augmentation en taille et en nombre des centres de données. Pour réduire leur impact écologique, alimenter ces centres avec des sources d'énergies renouvelables (EnR) apparaît comme une piste de solution. Cependant, certaines EnR telles que les énergies solaires et éoliennes sont liées aux conditions mé

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2

Görtz, Steffen. "Battery energy storage for intermittent renewable electricity production : A review and demonstration of energy storage applications permitting higher penetration of renewables." Thesis, Umeå universitet, Institutionen för tillämpad fysik och elektronik, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-104285.

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Анотація:

Driven by resource politics and climate change, the transition from conventional fossil fuel based and centralized energy generation to distributed renewables is increasing rapidly. Wind and solar power generation offer carbon dioxide neutral electricity but also present some integration difficulties for energy system operators and planners due to intermittent power output. A promising way of dealing with the intermittency from renewables is energy storage. The method of storing energy in the electricity grid, especially by the means of electrochemical storage, has gained a lot of attention ov

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3

Barton, John P. "A probabilistic method of modelling energy storage in electricity systems with intermittent renewable energy." Thesis, Loughborough University, 2007. https://dspace.lboro.ac.uk/2134/9727.

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A novel probabilistic method has been developed for modelling the operation of energy storage in electricity systems with significant amounts of wind and solar powered generation. This method is based on a spectral analysis of the variations of wind speed and solar irradiance together with profiles of electrical demand. The method has been embodied in two Matlab computer programs: Wind power only: This program models wind power on any time scale from seconds to years, with limited modelling of demand profiles. This program is only capable of modelling stand-alone systems, or systems in which t

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4

Barbour, Edward. "Investigation into the potential of energy storage to tackle intermittency in renewable energy generation." Thesis, University of Edinburgh, 2013. http://hdl.handle.net/1842/8189.

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Анотація:

Renewable Energy is by nature intermittent and matching the supply of energy to specific time dependent demand poses huge challenges. Energy storage is a useful tool in handling this temporal disparity, although except for regions very suitable for pumped hydroelectric storage schemes, it suffers from being technically difficult to implement and costly as a result. This study investigates the potential benefits offered by various scales of energy storage to different types of renewable energy generation. It also explores the economic drivers behind energy storage operating as part of an electr

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5

Henriot, Arthur. "Economics of intermittent renewable energy sources : four essays on large-scale integration into European power systems." Phd thesis, Université Paris Sud - Paris XI, 2014. http://tel.archives-ouvertes.fr/tel-01018509.

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Анотація:

This thesis centres on issues of economic efficiency originating from the large-scale development of intermittent renewable energy sources (RES) in Europe. The flexible resources that are necessary to cope with their specificities (variability, low-predictability, site specificity) are already known, but adequate signals are required to foster efficient operation and investment in these resources. A first question is to what extent intermittent RES can remain out of the market at times when they are the main driver of investment and operation in power systems. A second question is whether the

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6

Anderson, Matthew John. "Economic and Environmental Analysis of Cool Thermal Energy Storage as an Alternative to Batteries for the Integration of Intermittent Renewable Energy Sources." Thesis, Virginia Tech, 2015. http://hdl.handle.net/10919/51195.

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Анотація:

The balance of the supply of renewable energy sources with electricity demand will become increasingly difficult with further penetration of renewable energy sources. Traditionally, large stationary batteries have been used to store renewable energy in excess of electricity demand and dispatch the stored energy to meet future electricity demand. Cool thermal energy storage is a feasible renewable energy balancing solution that has economic and environmental advantages over utility scale stationary lead-acid batteries. Two technologies, ice harvesters and internal-melt ice-on-coil cool thermal

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7

Gils, Hans Christian [Verfasser], and André [Akademischer Betreuer] Thess. "Balancing of intermittent renewable power generation by demand response and thermal energy storage / Hans Christian Gils. Betreuer: André Thess." Stuttgart : Universitätsbibliothek der Universität Stuttgart, 2016. http://d-nb.info/1081367563/34.

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8

Patrick, Stasha Noelle. "Control of aggregate electric water heaters for load shifting and balancing intermittent renewable energy generation in a smart grid environment." Thesis, Montana State University, 2011. http://etd.lib.montana.edu/etd/2011/patrick/PatrickS1211.pdf.

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Анотація:

The majority of electrical energy in the United States is produced by fossil fuels, which release harmful greenhouse gas emissions and are non-renewable resources. The U.S. Department of Energy has established goals for a smart electric power grid, which facilitates the incorporation of clean, renewable generation sources, such as wind. A major challenge in incorporating renewable energy sources onto the power grid is balancing their intermittent and often unpredictable nature. In addition, wind generation is typically higher at night, when consumer demand is low. Residential electric water he

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9

Ahmed, Samar. "Carbon neutral scenarios for Växjö municipality." Thesis, Linnéuniversitetet, Institutionen för byggd miljö och energiteknik (BET), 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-104962.

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Анотація:

Sweden’s municipalities are leading the green energy transition, in this study, a techno-economic evaluation was done for a number of carbon neutral scenarios for Växjö municipality’s future energy system, situated within Sweden’s projected energy demand development in 2030 and 2050. The municipality’s partially decentralized energy system relies heavily on interconnected electricity supply from the national grid, and fuels imports from other parts of Sweden. It was a matter of question: in which ways will future demand changes induce supply changes, and whether a future carbon neutral energy

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10

Nguyen, Duc Trung. "Optimal sizing and system management of water pumping and desalination process supplied with intermittent renewable sources." Electronic Thesis or Diss., Toulouse, INPT, 2013. http://www.theses.fr/2013INPT0030.

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Анотація:

Cette étude s’intéresse à la conception systémique intégrant simultanément les questions de dimensionnement et de gestion optimale de l'énergie. Le système étudié concerne un procédé de pompage intégrant un processus de dessalement d’eaux saumâtres alimenté par des sources de puissance hybrides renouvelable incluant un minimum de stockage électrochimique. Ce cas d’étude appartient à une classe typique de systèmes autonomes alimentés par des sources intermittentes dont profil de puissance a une forme "donnée" : « selon les conditions climatiques (ensoleillement, vent), avec un minimum de stocka

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11

Nguyen, Duc Trung. "Optimal sizing and system management of water pumping and desalination process supplied with intermittent renewable sources." Thesis, Toulouse, INPT, 2013. http://www.theses.fr/2013INPT0030.

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Анотація:

Cette étude s’intéresse à la conception systémique intégrant simultanément les questions de dimensionnement et de gestion optimale de l'énergie. Le système étudié concerne un procédé de pompage intégrant un processus de dessalement d’eaux saumâtres alimenté par des sources de puissance hybrides renouvelable incluant un minimum de stockage électrochimique. Ce cas d’étude appartient à une classe typique de systèmes autonomes alimentés par des sources intermittentes dont profil de puissance a une forme "donnée" : « selon les conditions climatiques (ensoleillement, vent), avec un minimum de stocka

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12

Proser, Noah. "Energy Storage: Technology for a More Efficient Grid." Scholarship @ Claremont, 2011. http://scholarship.claremont.edu/cmc_theses/264.

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Анотація:

Energy storage technologies have the potential to revolutionize the electric grid by allowing for the integration of renewable generation while increasing the utilization and efficiency of current grid assets. These technologies include pumped hydroelectric storage, compressed air energy storage (CAES), flywheels, batteries, thermal energy storage (TES), super capacitors, and superconducting magnetic energy storage (SMES). While energy storage has been implemented in some areas, its benefits are greatly undervalued by current regulatory frameworks leading to suboptimal outcomes for grid operat

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13

Ribeiro, Luísa Helena Machado. "Risco de mercado na comercialização de energia elétrica: uma análise estruturada com foco no ambiente de contratação livre - ACL." Universidade de São Paulo, 2015. http://www.teses.usp.br/teses/disponiveis/3/3143/tde-14072016-111314/.

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Анотація:

A motivação para o desenvolvimento desse trabalho surge em um momento em que se verifica uma participação cada vez mais significativa das fontes energéticas renováveis não convencionais no País. Não obstante, o cenário de evolução evidencia que o arcabouço regulatório e as regras de mercado não acompanharam as especificidades inerentes à exploração dessas fontes. Assim, para que se mantenha adequado ritmo de inserção na matriz energética, devem ser buscadas opções para que fontes alternativas sejam cada vez mais competitivas na atual configuração do mercado energético. A contribuição dessa pes

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14

Al-imarah, Amena, and Elin Stenberg. "Tillämpning av batterilager som energitjänsten lastutjämnare : En studie om batterilagring för en medelstor abonnent i Varberg Energis elnät." Thesis, Högskolan i Halmstad, Akademin för ekonomi, teknik och naturvetenskap, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-33263.

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Анотація:

Arbetet Tillämpning av batterilager som energitjänsten lastutjämnare är en litteraturstudie och en kvantitativ studie. I studien har driftkarakteristiken år 2015 hos en matvarubutik legat till grunden. Arbetet har syftat i att besvara frågan kring ett batterilagers lämplighet som agerade för lastutjämning. För att ta reda på det har batterilagersegenskaper kartlagts och dimensionering gjorts utifrån två olika driftfall. En ekonomisk besparingspotential har även beräknats utifrån de bägge driftfallen. Driftfallen har valts att kallas teknisk dimensionering och ekonomisk dimensionering. De tekni

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15

Almeida, Givanildo José de. "Renewable energy : overcoming intermittency." Thesis, Imperial College London, 2006. http://hdl.handle.net/10044/1/7228.

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16

Batalla, Bejerano Joan. "Power system integration of renewables: an economic approach." Doctoral thesis, Universitat Rovira i Virgili, 2016. http://hdl.handle.net/10803/441739.

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A nivell mundial les energies renovables han crescut de forma considerable al llarg d'aquestes dues últimes dècades, havent substituït parcialment als combustibles fòssils en àmbits tals com la generació elèctrica. Una aposta tan àmplia per aquest tipus d'energies només s'explica des del punt de vista de les importants i creixents avantatges associats a aquest tipus de tecnologies en tres àmbits fonamentals: el medi ambient, la seguretat de subministrament energètic i el desenvolupament econòmic. No únicament contribueixen a la reducció d'emissions de gasos d'efecte hivernacle donat el seu car

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17

Gowrisankaran, Gautam, Stanley Reynolds, and Mario Samano. "Intermittency and the Value of Renewable Energy." UNIV CHICAGO PRESS, 2016. http://hdl.handle.net/10150/621533.

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Анотація:

A key problem with solar energy is intermittency: solar generators produce only when the sun is shining, adding to social costs and requiring electricity system operators to reoptimize key decisions. We develop a method to quantify the economic value of large-scale renewable energy. We estimate the model for southeastern Arizona. Not accounting for offset carbon dioxide, we find social costs of $138.40 per megawatt hour for 20 percent solar generation, of which unforecastable intermittency accounts for $6.10 and intermittency overall for $46.00. With solar installation costs of $1.52 per watt

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18

Ruthberg, Richard, and Sebastian Wogenius. "Stochastic Modeling of Electricity Prices and the Impact on Balancing Power Investments." Thesis, KTH, Industriell ekonomi och organisation (Inst.), 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-192111.

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Introducing more intermittent renewable energy sources in the energy system makes the role of balancing power more important. Furthermore, an increased infeed from intermittent renewable energy sources also has the effect of creating lower and more volatile electricity prices. Hence, investing in balancing power is prone to high risks with respect to expected profits, which is why a good representation of electricity prices is vital in order to motivate future investments. We propose a stochastic multi-factor model to be used for simulating the long-run dynamics of electricity prices as input

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19

Eriksson, Pernilla, and Martin Sundell. "EXPLORING MARKET FORCES FOR TRANSMISSION EXPANSION AND GRID STORAGE INTEGRATION : A technical-economic thesis about variation moderators for intermittent renewable power generation in the developed country of Sweden and the developing country of China." Thesis, Mälardalens högskola, Akademin för ekonomi, samhälle och teknik, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-28560.

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20

Naziri, Moghaddam Iman. "Optimal Sizing and Operation of Energy Storage Systems to Mitigate Intermittency of Renewable Energy Resources." Thesis, The University of North Carolina at Charlotte, 2018. http://pqdtopen.proquest.com/#viewpdf?dispub=10791200.

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Анотація:

<p> Increased share of Renewable Energy Sources (RES) in the generation mix requires higher flexibility in power system resources. The intermittent nature of the RES calls for higher reserves in power systems to smooth out the unpredictable power fluctuations. Grid-tied energy storage systems are practical solutions to facilitate the massive integration of RES. The deployment of Battery Energy Storage Systems (BESS) on the power grids is experiencing a significant growth in recent years. Thanks to intensive research and development in battery chemistry and power conversion systems, BESS costs

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21

Lönnberg, Joakim. "Short-term regulating capacity and operational patterns of The Lule River with large wind power penetration." Thesis, Uppsala universitet, Elektricitetslära, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-230972.

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Анотація:

The growing share of installed wind power in the Swedish electricity system has caused concerns whether the available regulating power will be sufficient. Several studies have examined the need of regulating power using both statistical and modelling approaches. However, there is a risk that some aspects of the short-term regulation of hydropower might have been missed. By using one of Vattenfall’s hydropower planning tools, the short-term operation of The Lule River has been simulated with an increasing penetration of wind power. The tool includes detailed models of reservoirs, generating uni

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22

Kopička, Marek. "Alternativní zdroje energie a jejich integrace do konceptu Smart Grids." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2012. http://www.nusl.cz/ntk/nusl-219413.

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This work deals mainly with electrical energy. In the first part is focused on alternative energy sources, and describes structure of consumption and production of electricity over the past few years, during which is focuses on renewable energy sources. In this context, assesses the conditions for alternative energy sources in the Czech Republic from the perspective of the legislative, as well as current status and potential of alternative energy sources and tries to predict the development of these issues. The next section describes the Smart Grids as a means to achieve these goals. There are

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23

Granado, Pedro Crespo del. "The value of energy storage from intermittent renewables : an end user perspectives in Smart Grids." Thesis, Lancaster University, 2014. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.732707.

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Анотація:

The widespread deployment of renewable energy in combination with smart grid technologies is creating the opportunity for energy storage to play a critical role in energy systems and be a more prevalent technology in the near future. This research adopts a bottom-up approach to model the interactions within the energy system, namely between renewable supply and storage technologies at the end-user level (e.g. in houses, buildings and communities). That is, the papers presented in this thesis investigate the value of energy storage in smart grids from an end-user perspective. Specifically, it

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24

Nydahl, Helena, and Annica Marmolin. "Smarta elnät med fokus på energilager; en lösning till hållbar tryckluftsförsörjning inom industrin : Simulering och optimering av energilager för utjämning av intermittenta energikällor." Thesis, Karlstads universitet, Fakulteten för hälsa, natur- och teknikvetenskap (from 2013), 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-37060.

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Анотація:

Världens energibehov förväntas ökar samtidigt som miljökraven blir allt hårdare. För att komma till rätta med klimatförändringarna och utsläppen av växthusgaser måste användningen av fossila bränslen minska samtidigt som energieffektiviseringar och förnybara energikällor måste öka. En större andel intermittenta förnybara energikällor på elmarknaden medför utmaningar. Finns det inget elbehov då det exempelvis blåser eller när solen skiner går den producerade elen förlorad, detta leder till att produktion och konsumtion av elektricitet måste ske samtidigt. För att förnybar energi ska kunna expan

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25

Kunz, Friedrich [Verfasser], Dominik [Akademischer Betreuer] Möst, and Marcel [Akademischer Betreuer] Thum. "Managing Congestion and Intermittent Renewable Generation in Liberalized Electricity Markets / Friedrich Kunz. Gutachter: Dominik Möst ; Marcel Thum. Betreuer: Dominik Möst." Dresden : Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2015. http://d-nb.info/107512378X/34.

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26

Kunz, Friedrich [Verfasser], Dominik [Akademischer Betreuer] Möst, and Marcel [Akademischer Betreuer] Thum. "Managing Congestion and Intermittent Renewable Generation in Liberalized Electricity Markets / Friedrich Kunz. Gutachter: Dominik Möst ; Marcel Thum. Betreuer: Dominik Möst." Dresden : Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2013. http://d-nb.info/1068444193/34.

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27

Clerjon, Arthur. "Analyse et modélisation des impacts du développement des énergies renouvelables intermittentes sur le système électrique Français : Etude du potentiel du stockage de l’électricité, et de la complémentarité avec la chaleur." Thesis, Université Grenoble Alpes, 2021. http://www.theses.fr/2021GRALI022.

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Анотація:

La France affiche une volonté de développer massivement les énergies renouvelables intermittentes – éolien et photovoltaïque - tout en diminuant la part des sources pilotables, ici le nucléaire. Ce changement de paradigme implique de repenser la gestion des systèmes énergétiques. En effet, l’intermittence des renouvelables génère un besoin de flexibilité à différentes échelles de temps, de la journée à l’année. Ne pouvant plus se reposer sur la flexibilité des moyens pilotables, cette thèse questionne le potentiel d’autres moyens pour y répondre : stockage d’électricité, surdimensionnement de

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28

Brka, Adel. "Optimisation of stand-alone hydrogen-based renewable energy systems using intelligent techniques." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2015. https://ro.ecu.edu.au/theses/1756.

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Wind and solar irradiance are promising renewable alternatives to fossil fuels due to their availability and topological advantages for local power generation. However, their intermittent and unpredictable nature limits their integration into energy markets. Fortunately, these disadvantages can be partially overcome by using them in combination with energy storage and back-up units. However, the increased complexity of such systems relative to single energy systems makes an optimal sizing method and appropriate Power Management Strategy (PMS) research priorities. This thesis contributes to the

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29

Bridier, Laurent. "Modélisation et optimisation d'un système de stockage couplé à une production électrique renouvelable intermittente." Thesis, La Réunion, 2016. http://www.theses.fr/2016LARE0038/document.

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Анотація:

L'objectif de cette thèse est la gestion et le dimensionnement optimaux d'un Système de Stockage d'Énergie (SSE) couplé à une production d'électricité issue d'Énergies Renouvelables Intermittentes (EnRI). Dans un premier temps, un modèle technico-économique du système SSE-EnRI est développé, associé à trois scénarios types d'injection de puissance au réseau électrique : lissage horaire basé sur la prévision J-1 (S1), puissance garantie (S2) et combiné (S3). Ce modèle est traduit sous la forme d'un programme d'optimisation non linéaire de grande taille. Dans un deuxième temps, les stratégies he

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30

Dutrieux, Héloïse. "Méthodes pour la planification pluriannuelle des réseaux de distribution. Application à l'analyse technico-économique des solutions d'intégration des énergies renouvelables intermittentes." Thesis, Ecole centrale de Lille, 2015. http://www.theses.fr/2015ECLI0021/document.

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Анотація:

Le raccordement des énergies renouvelables (ENR) aux réseaux de distribution peuvent nécessiter des travaux de renforcement coûteux et long à mettre en œuvre. Différentes solutions alternatives peuvent dans certains cas limiter l'ampleur des travaux à réaliser et donc leur montant et/ou leur durée. L’utilisation de telles solutions nécessite au préalable de réviser les méthodes de planification du réseau pour qu’elles puissent analyser leurs impacts technico-économiques. Cette thèse a pour objet d’apporter un cadre adapté à l’étude des leviers d’intégration des ENR à l’aide de nouvelles méthod

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31

Sari, Kheirreddine. "Vers une gestion régionale de l'intermittence éolienne : une approche statistique de la complémentarité de la production." Electronic Thesis or Diss., Université de Montpellier (2022-....), 2024. http://www.theses.fr/2024UMOND020.

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Анотація:

Cette thèse explore le rôle de la complémentarité éolienne dans la gestion de l'intermittence à l'échelle infrarégionale en France. À travers une approche empirique et statistique, ce travail examine la manière dont la distribution géographique des parcs éoliens peut contribuer à atténuer les fluctuations de production dues au caractère variable et volatile du vent, afin de favoriser une couverture plus stable de la demande électrique. La première contribution de cette recherche réside dans l'utilisation de données réelles de vitesse du vent, offrant une meilleure précision par rapport aux don

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32

Saulich, Sven. "Generic design and investigation of solar cooling systems." Thesis, Loughborough University, 2013. https://dspace.lboro.ac.uk/2134/13627.

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This thesis presents work on a holistic approach for improving the overall design of solar cooling systems driven by solar thermal collectors. Newly developed methods for thermodynamic optimization of hydraulics and control were used to redesign an existing pilot plant. Measurements taken from the newly developed system show an 81% increase of the Solar Cooling Efficiency (SCEth) factor compared to the original pilot system. In addition to the improvements in system design, new efficiency factors for benchmarking solar cooling systems are presented. The Solar Supply Efficiency (SSEth) factor p

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Rama, Venkat Siddhartha. "Optimization Study of a Combined Wind-Solar Farm for a Specified Demand." Wright State University / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=wright1592391472670774.

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Allard, Stéphane. "Enjeux de flexibilité liés au développement des infrastructures réseaux pour l'intégration massive des énergies renouvelables variables dans le système électrique à l’horizon 2100." Thesis, Université Grenoble Alpes (ComUE), 2018. http://www.theses.fr/2018GREAT101/document.

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L'intégration massive des énergies renouvelables variables (EnRV) provoque d'importants changements dans le système électrique. Auparavant développé de manière vertical et centralisé, le système était robuste et fiable. Cependant, la production des EnRV est intermittente et peu prévisible. Ainsi, le système doit être plus flexible grâce à de nouvelles options telles que la maîtrise de la demande, le stockage ou l'effacement de la production EnRV. Cependant, le potentiel des EnRV est réparti inégalement en Europe et avec d'importants taux de pénétration d'EnRV, les échanges d'électricité entre

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Teleke, Sercan. "Control methods for energy storage for dispatching intermittent renewable energy sources." 2009. http://www.lib.ncsu.edu/theses/available/etd-11022009-151719/unrestricted/etd.pdf.

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Wang, Dongxiao. "Smart distribution network management by energy storage technologies with high intermittent renewables." Thesis, 2017. http://hdl.handle.net/1959.13/1343199.

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Research Doctorate - Doctor of Philosophy (PhD)<br>This thesis focuses on the smart control of energy storage systems with high intermittent renewables in active distribution network to deal with voltage and overloading issues. Firstly, battery energy storage systems are studied to cope with overloading issue in distribution network with high penetration of renewable energy. The proposed control framework has covered a variety of innovative aspects compared with previous work, including the study of communication network topology change, the incorporation of battery depth of discharge rate int

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Pirnia, Mehrdad. "Stochastic Modeling and Analysis of Power Systems with Intermittent Energy Sources." Thesis, 2014. http://hdl.handle.net/10012/8251.

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Electric power systems continue to increase in complexity because of the deployment of market mechanisms, the integration of renewable generation and distributed energy resources (DER) (e.g., wind and solar), the penetration of electric vehicles and other price sensitive loads. These revolutionary changes and the consequent increase in uncertainty and dynamicity call for significant modifications to power system operation models including unit commitment (UC), economic load dispatch (ELD) and optimal power flow (OPF). Planning and operation of these ???smart??? electric grids are expected to b

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Baumann, Manuel Johann. "Battery storage systems as balancing option in intermittent renewable energy systems - A transdisciplinary approach under the frame of Constructive Technology Assessment." Doctoral thesis, 2017. http://hdl.handle.net/10362/31566.

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Different battery storage technologies are considered as important flexibility option in the face of increasing shares of renewables in the grid. A challenge is to support decision-making by providing a broader perspective on battery technology development, choice, and implementation. The tailored approach in the frame of Constructive Technology Assessment (CTA) in combination with system analysis allows it to explore actor visions and expectations about battery storage and to use this information to provide quantitative information about the consequences of these. Research results combine t

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Nunes, Rui Jorge Passos Lopes. "Planeamento de Sistemas de Energia 100% Renováveis." Master's thesis, 2017. http://hdl.handle.net/10316/83419.

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Dissertação de Mestrado Integrado em Engenharia Electrotécnica e de Computadores apresentada à Faculdade de Ciências e Tecnologia<br>A integração de fontes renováveis no sector elétrico é uma realidade na maioria dos países europeus. O tema assume uma grande importância no sentido em que permite o aproveitamento dos próprios recursos energéticos, diminuindo a necessidade de matérias primas importadas, cuja utilização é responsável por problemas ambientais. No entanto, a intermitência das fontes renováveis obriga a um planeamento da sua implementação, de forma a avaliar o seu potencial, mas tam

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Wong, Kai Cheung Peter. "Intelligent Distribution Voltage Control in The Presence of Intermittent Embedded Photo-Voltaic Generation." Thesis, 2017. https://vuir.vu.edu.au/34842/.

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Dwindling fossil fuel resources and the concern for greenhouse gas emissions resulting from the burning of fossil fuels have led to significant development of renewable energy in many countries. While renewable energy takes many forms, solar and wind resources are being harvested in commercial scale in many parts of the world. Government incentives such as Renewable Energy Certificates and Feed-in Tariffs have contributed to the rapid uptake. Australia, per capita of population, has topped the world in the penetration of residential roof-top solar generation systems. With electricity co

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Ferreira, João António Alves. "Análise técnica e económica de tecnologias de armazenamento de energia elétrica para a integração em larga escala de geração renovável intermitente." Master's thesis, 2017. http://hdl.handle.net/10316/83049.

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Dissertação de Mestrado Integrado em Engenharia Electrotécnica e de Computadores apresentada à Faculdade de Ciências e Tecnologia<br>Renewable energies are the obvious option to ensure a sustainable future. The wide availability and diversity of natural energy resources allows the development of flexible generation technologies adapted to the needs of electric power systems. In Portugal, the potential of wind, solar and hydro power enable an energy future mainly based on renewable energy. However, changing from predictable and easily controllable fossil energy systems, to systems that use natu

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Flora, Rui Manuel Calado. "Intermittency, backup and overcapacity in wind energy: evidence from european countries." Master's thesis, 2012. http://hdl.handle.net/10400.6/2936.

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In this paper, overcapacity of wind energy is analyzed using panel data techniques for a set of 19 European countries for the span of time 1998-2009. We control for the effect of conventional energy sources, namely coal-based and gas-fired power plants. These energy sources are mainly used to backup electricity generation in windless periods and in peak-load times. The effect of other renewable energy sources is also assessed. Results suggest that wind power growth rate and population density raises overcapacity. We also test the total of energy measures taken in Europe under long term e

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Gertrudes, Ricardo Filipe Dias. "Impactos da Variabilidade do Vento na Integração de Energia Eólica no Sistema Elétrico Nacional." Master's thesis, 2020. http://hdl.handle.net/10316/92285.

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Dissertação de Mestrado Integrado em Engenharia Electrotécnica e de Computadores apresentada à Faculdade de Ciências e Tecnologia<br>Nos dias que correm o tema, energias renováveis, é um assunto cada vez mais abordado na comunidade científica devido a avanços tecnológicos e aos possíveis benefícios que a integração destas na rede acarretam para todo o mundo, principalmente para o ambiente. Estas surgem como uma possível solução para as fontes de energia não renováveis, de carácter finito à escala humana e extremamente poluentes, como é o caso das centrais a carvão. Neste enquadramento, e devid

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Ferreira, Pedro Cardoso de Lemos. "Requisitos de Flexibilidade para a Integração em Larga Escala de Energia Solar Fotovoltaica." Master's thesis, 2019. http://hdl.handle.net/10316/87974.

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Dissertação de Mestrado Integrado em Engenharia Electrotécnica e de Computadores apresentada à Faculdade de Ciências e Tecnologia<br>A transição energética dos combustíveis fósseis para as energias renováveis é o grande desafio do século XXI e a energia solar fotovoltaica assume um papel fundamental para a garantir. Os avanços tecnológicos estão a permitir tornar cada vez mais rentável a energia solar fotovoltaica, pelo que é expectável um crescimento significativo da sua potencia instalada a nível mundial. Portugal é dos países com maior índice de radiação solar da União Europeia, e apesar da

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