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Дисертації з теми "Wind Forecasts"

Автор: Grafiati
Опубліковано: 11 березня 2023

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1

Mason, Jesse Cheyenne. "On improving wind-turbine hub-height wind-speed forecasts." Thesis, University of British Columbia, 2014. http://hdl.handle.net/2429/46558.

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2

Siuta, David. "Improving hub-height wind forecasts in complex terrain." Thesis, University of British Columbia, 2017. http://hdl.handle.net/2429/61055.

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Анотація:
Wind-speed forecasts from numerical-weather-prediction (NWP) models are important for daily wind-resource generation planning. However, NWP models are imperfect. The ability of energy planners to efficiently manage resources is a function of the accuracy of deterministic wind forecasts and of the associated probability estimates of forecast uncertainty. As the amount of energy generated from wind increases to significant levels, improving forecast accuracy and representation of forecast uncertainty is a key area of active research. This dissertation advances wind forecasting over regions of c
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3

Welsh, David J. S. "The improvement of wind-wave forecasts in the Great Lakes /." The Ohio State University, 1997. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487948807587679.

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4

Nchaba, Teboho. "Verification of gridded seasonal wind speed forecasts over South Africa." Master's thesis, University of Cape Town, 2013. http://hdl.handle.net/11427/4970.

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Includes abstract.<br>Includes bibliographical references.<br>The Climate System Analysis Group (CSAG) at the University of Cape Town produces provisional global and Southern African seasonal wind forecasts generated using the United Kingdom Meteorological Office Atmospheric General Circulation Model (AGCM) HadAM3P (non-standard version of HadAM3). This study examines the quality of the seasonal wind speed forecasts through a forecast verification process for continuous variables using reanalysis products of the National Centers for Environmental Prediction and the Department of Energy (NCEP-D
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5

Lau, Ada. "Probabilistic wind power forecasts : from aggregated approach to spatiotemporal models." Thesis, University of Oxford, 2011. http://ora.ox.ac.uk/objects/uuid:f5a66568-baac-4f11-ab1e-dc79061cfb0f.

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Анотація:
Wind power is one of the most promising renewable energy resources to replace conventional generation which carries high carbon footprints. Due to the abundance of wind and its relatively cheap installation costs, it is likely that wind power will become the most important energy resource in the near future. The successful development of wind power relies heavily on the ability to integrate wind power effciently into electricity grids. To optimize the value of wind power through careful power dispatches, techniques in forecasting the level of wind power and the associated variability are criti
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6

de, Almeida Francisco M. S. C. "The influence of wind on HF radar surface current forecasts." Thesis, Monterey, Calif. : Naval Postgraduate School, 2008. http://edocs.nps.edu/npspubs/scholarly/theses/2008/Dec/08Dec%5Fde%5FAlmeida.pdf.

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Thesis (M.S. in Physical Oceanography)--Naval Postgraduate School, December 2008.<br>Thesis Advisor(s): Paduan, Jeffrey. "December 2008." Description based on title screen as viewed on January 29, 2009. Includes bibliographical references (p. 67-69). Also available in print.
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7

Sjöberg, Ludvig. "Wind Forecasts Using Large Eddy Simulations for Stratospheric Balloon Applications." Thesis, Luleå tekniska universitet, Rymdteknik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-74457.

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The launch of large stratospheric balloons is highly dependant on the meteorological conditions at ground level, including wind speed. The balloon launch base Esrange Space Center in northern Sweden currently uses forecasts delivered through the Swedish Meteorological and Hydrological Institute to predict opportunities for balloon launches. However the staff at Esrange Space Center experience that the current forecasts are not accurate enough. For that reason the Weather Research and Forecasting model is used to improve the forecast. The model performs a Large Eddy Simulation over the area clo
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8

Gallaher, Shawn G. "Performance of a high resolution diagnostic model for short range mesoscale wind forecasts in complex terrain." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2002. http://library.nps.navy.mil/uhtbin/hyperion-image/02sep%5FGallaher.pdf.

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Thesis (M.S. in Meteorology and Physical Oceanography)--Naval Postgraduate School, September 2002.<br>Thesis advisor(s): Douglas K. Miller, Wendell A. Nuss. Includes bibliographical references (p. 125-128). Also available online.
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9

Olaofe, Zaccheus Olaniyi. "Wind energy generation and forecasts: a case study of Darling and Vredenburg sites." Master's thesis, University of Cape Town, 2013. http://hdl.handle.net/11427/16831.

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Анотація:
This research study presents the wind resource assessment at two potential onshore wind sites at the Western Cape of South Africa for small and large scale wind energy generation. It is anticipated that by virtue of the enormous wind resources prevalent along the South Africa West Coast, it is economical and cost effective to generate electricity from the wind to offset the increasing cost of energy generation from non-renewable sources (coal-fired, nuclear, gas etc.) which are the major source of power generation. Despite the environmental benefit and economic potentials of the wind energy, i
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10

Ive, Federica. "Improving numerical simulation methods for the assessment of wind source availability and related power production for wind farms over complex terrain." Doctoral thesis, Università degli studi di Trento, 2022. http://hdl.handle.net/11572/350981.

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One of the Sustainable Development Goals set in 2015 by the United Nations aims to ensure access to affordable, reliable, sustainable, and modern energy for all, increasing the global share of renewable energy to 32-35% by 2030. Moving towards this goal, the University of Trento funded the interdepartmental strategic project ERiCSol (Energie Rinnovabili e Combustibili Solari), in order to promote the research on renewable energy storage and solar fuels. The research activity presented in this thesis lies in the framework of this project, focusing on the development of new advanced simulation a
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11

Cavicchioli, Niccolò. "Preparing for a future satellite mission to measure wind and improve climate forecasts." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2021. http://amslaurea.unibo.it/23037/.

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Анотація:
Stratospheric Inferred Winds (SIW) is a future satellite mission, which has been selected by the Swedish Space Agency to become the next Swedish research satellite, to be launched in 2024. It will consist of a sub-millimetre radiometer instrument, optimised for wind measurements in the middle atmosphere, and orbiting the Earth aboard a microsatellite platform. The goal of this master thesis was to carry out a preliminary study to assess the potential of the mission to contribute to a better understanding of the middle atmospheric dynamical events, and thus to improve weather and climate foreca
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12

Zamo, Michaël. "Statistical Post-processing of Deterministic and Ensemble Wind Speed Forecasts on a Grid." Thesis, Université Paris-Saclay (ComUE), 2016. http://www.theses.fr/2016SACLA029/document.

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Анотація:
Les erreurs des modèles de prévision numérique du temps (PNT) peuvent être réduites par des méthodes de post-traitement (dites d'adaptation statistique ou AS) construisant une relation statistique entre les observations et les prévisions. L'objectif de cette thèse est de construire des AS de prévisions de vent pour la France sur la grille de plusieurs modèles de PNT, pour les applications opérationnelles de Météo-France en traitant deux problèmes principaux. Construire des AS sur la grille de modèles de PNT, soit plusieurs milliers de points de grille sur la France, demande de développer des m
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13

Stamp, Alexander. "The relationship between weather forecasts and observations for predicting electricity output from wind turbines." Thesis, KTH, Skolan för datavetenskap och kommunikation (CSC), 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-215651.

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Анотація:
Wind power production is of growing importance to many countries around the world. To improve reliability and power grid stability related to wind power, forecasting of wind power is becoming an important commercial and research area. Machine learning methods are considered to be highly valuable when making predictions on time series data and as such have become prominent within wind forecasting as well. This thesis extends an existing neural network prediction system with new input data series, in particular the observed wind speed from the wind farm itself. The goal was to investigate the ef
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14

Nachmani, Gil. "Minimum-energy flight paths for UAVs using mesoscale wind forecasts and approximate dynamic programming." Thesis, Monterey, Calif. : Naval Postgraduate School, 2007. http://bosun.nps.edu/uhtbin/hyperion-image.exe/07Dec%5FNachmani.pdf.

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Анотація:
Thesis (M.S. in Operations Research)--Naval Postgraduate School, December 2007.<br>Thesis Advisor(s): Royset, Johannes O. Description based on title screen as viewed on January 22, 2007. Includes bibliographical references (p. 57-60). Also available in print.
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15

Neese, Jay M. "Evaluating Atlantic tropical cyclone track error distributions for use in probabilistic forecasts of wind distribution." Thesis, Monterey, California. Naval Postgraduate School, 2010. http://hdl.handle.net/10945/5150.

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Анотація:
Approved for public release; distribution is unlimited<br>This thesis investigates whether the National Hurricane Center (NHC) operational product for producing probabilistic forecasts of tropical cyclone (TC) wind distributions could be further improved by examining the distributions of track errors it draws upon to calculate probabilities. The track spread/skill relationship for several global ensemble prediction system forecasts is examined as a condition for a description of a full probability distribution function. The 2007, 2008, and 2009 NHC official track forecasts are compared t
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16

Plyler, Mitchell. "A machine learning approach to wind estimation and uncertainty using remote dropsondes and deterministic forecasts." Thesis, Massachusetts Institute of Technology, 2017. http://hdl.handle.net/1721.1/112476.

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Анотація:
Thesis: S.M., Massachusetts Institute of Technology, Department of Aeronautics and Astronautics, 2017.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 100-102).<br>The U.S. Air force currently has a need for high altitude, unguided airdrops without making two passes over a drop zone (DZ). During conventional high altitude drops, aircrews fly over a DZ, release a dropsonde, compute a payload release point, loop back to the DZ, and release a payload. This work proposes a machine learning method that enables a single pass airdrop mission where a dropsonde is
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17

Gensler, André [Verfasser]. "Wind Power Ensemble Forecasting : Performance Measures and Ensemble Architectures for Deterministic and Probabilistic Forecasts / André Gensler." Kassel : Kassel University Press, 2019. http://d-nb.info/117653517X/34.

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18

Zelenke, Brian Christopher. "An empirical statistical model relating winds and ocean surface currents : implications for short-term current forecasts." Thesis, Connect to the title online, 2005. http://hdl.handle.net/1957/2166.

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19

SILVA, ILITCH VITALI GOMES DA. "THE WIND FORECAST FOR WIND POWER GENERATION." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2010. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=16824@1.

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Анотація:
CONSELHO NACIONAL DE DESENVOLVIMENTO CIENTÍFICO E TECNOLÓGICO<br>A energia eólica é uma das alternativas mais promissoras para geração de energia elétrica, pois assegura a diversidade e segurança no fornecimento de energia e atende à necessidade premente de reduzir os níveis de emissão de gases poluentes. Na operação de sistemas elétricos com forte presença de geração eólica é fundamental prever com pelo menos um dia de antecedência os valores futuros (pelo menos horários) da veloci-dade do vento, pois assim pode-se avaliar a disponibilidade de energia para o próximo dia, uma informação útil n
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20

Gahard, Claude F. "An estimation of the ability to forecast boundary layer mixing height and wind parameters through forecast verification over Fort Ord." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2003. http://library.nps.navy.mil/uhtbin/hyperion-image/03sep%5FGahard.pdf.

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Thesis (M.S. in Meteorology and Physical Oceanography)--Naval Postgraduate School, September 2003.<br>Thesis advisor(s): Wendell A. Nuss, David S. Brown. Includes bibliographical references (p. 65-66). Also available online.
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21

Jarmander, Sara. "Wind Power Forecast Accuracy in Scandinavia:Analysis of Forecast Errors Using TAPM." Thesis, KTH, Kraft- och värmeteknologi, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-226146.

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Анотація:
Wind power has different characteristics compared to conventional energy sources. The main difference is that wind power fluctuates under the influence of meteorological variables. This gives rise to problems related to grid stability. It is therefore important to understand these variations and their predictability in order to improve the integration of wind power into grids. Wind power forecasts play an important role. In this study, the accuracy of Numerical Weather Prediction (NWP) wind speed forecasts over the period 1st Sept. 2013 – 31st Dec. 2016 has been investigated. This was done for
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22

Mauch, Brandon Keith. "Managing Wind Power Forecast Uncertainty in Electric Grids." Research Showcase @ CMU, 2012. http://repository.cmu.edu/dissertations/199.

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Анотація:
Electricity generated from wind power is both variable and uncertain. Wind forecasts provide valuable information for wind farm management, but they are not perfect. Chapter 2 presents a model of a wind farm with compressed air energy storage (CAES) participating freely in the day-ahead electricity market without the benefit of a renewable portfolio standard or production tax credit. CAES is used to reduce the risk of committing uncertain quantities of wind energy and to shift dispatch of wind generation to high price periods. Using wind forecast data and market prices from 2006 – 2009, we fin
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23

Scharff, Richard. "On Distributed Balancing of Wind Power Forecast Deviations in Competitive Power Systems." Licentiate thesis, KTH, Elektriska energisystem, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-103608.

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Анотація:
Wind power generation does, on the one hand, contribute to a less polluting and more sustainable electric power generation mix. On the other hand, the uncertainty and the variability of the power output do challenge the operation of the power system: hourly variations in wind power generation are hardly predictable in a precise way. To decrease the need for balancing power, it might be beneficial from the overall system-perspective to subject power generating companies to stricter balancing incentives/rules. The way the market is designed has become crucial to exploit the existing flexibility
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24

Matusevicius, Tadas. "Analysis of Swedish Wind Power Forecast Quality over Forecast Horizon and Power System Operation Implications." Thesis, KTH, Elkraftteknik, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-213706.

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Анотація:
Wind power, as one of the fastest growing means of generation, can oer environmentalbenets. However, due to its stochastic nature it is dicult to designaccurate prediction tools, thus the forecast errors are inherently present. Goodunderstanding of the errors that may occur is imperative for greater penetrationof wind power into the system as it can facilitate power system planning andoperation.In this paper, wind power forecasts for dierent price areas in Sweden areanalysed and compared. For this purpose, data starting November 2015 weredownloaded every hour from the Nord Pool spot database a
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25

Hawkins, Samuel Lennon. "High resolution re-analysis of wind speeds over the British Isles for wind energy integration." Thesis, University of Edinburgh, 2012. http://hdl.handle.net/1842/7898.

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Анотація:
The UK has highly ambitious targets for wind development, particularly offshore, where over 30GW of capacity is proposed for development. Integrating such a large amount of variable generation presents enormous challenges. Answering key questions depends on a detailed understanding of the wind resource and its temporal and spatial variability. However, sources of wind speed data, particularly offshore, are relatively sparse: satellite data has low temporal resolution; weather buoys and met stations have low spatial resolution; while the observations from ships and platforms are affected by the
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26

STERMASI, ADRIST. "Offshore wind energy in the Adriatic Sea: Modelling of the microscale wind field and short-term forecast of wind power potential." Doctoral thesis, Università Politecnica delle Marche, 2015. http://hdl.handle.net/11566/242945.

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Анотація:
Studying wind energy is still a challenge. Many arguments are involved in this field such as environmental sustainability, infrastructures, economics and many others, has to find the equilibrium and coexist together for the further development of this technology. The P.O.W.E.R.E.D project, part of the IPA-PROGRAMME deal with these issues concerning the Adriatic basin. Numerical and experimental evaluation of wind energy resources is assigned to Università Politecnica delle Marche. Two maps of different spatial resolutions of one and three kilometers respectively, for one and five years a
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27

Valee, Joris. "Using airborne laser scans to model roughness length and forecast energy production of wind farms." Thesis, Uppsala universitet, Institutionen för geovetenskaper, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-393953.

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Successful wind power projects start with a realistic representation of the surface, more specifically the surface roughness of the site. This thesis investigates the use of airborne laser scans to model the surface roughness around a new wind farm. Estimations are made to find out how forest management and tree growth affects roughness length and displacement height. Data from scans two years apart for a specific site is provided by the Swedish governmental land registration authority. Next, tree height and plant area index methods are applied and analyzed using MATLAB. The results shows a di
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28

Jaklovsky, Simon. "Drag based forecast for CME arrival." Thesis, Uppsala universitet, Institutionen för fysik och astronomi, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-415153.

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Анотація:
Coronal Mass Ejections (CMEs) are considered to be one of the most energetic events in the heliosphere. Capable of inducing geomagnetic storms on Earth that can cause damage to electronics, a pillar which the modern society we live in leans heavily upon. Being able to accurately predict the arrival of CMEs would present us with the ability to issue timely warnings to authorities and commercial actors, allowing for protective measures to be put in place minimizing the damage. In this study the predicted arrival times and speeds from the Drag Based Model (DBM) and Drag Based Ensemble Model (DBEM
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29

Gustafsson, Johan. "Managing Forecast Errors at the Nordic Power Market at Presence of Large Amounts of Wind Power." Thesis, Institutionen för energi och teknik, SLU, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-162594.

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Анотація:
The aim of the study is to investigate possibilities to manage forecast errors at the Nordic power market based on the size of the actor. This is part of a larger question at hand, whether the Nordic power market structure is suitable to support large wind power installations. An increased amount of wind power will unavoidably generate an increased amount of forecast errors and raise the demand for adjustment and regulating power. The investigation is carried out in three steps. ·First a scenario is created containing eight actors that is balance responsible for varying size of wind power prod
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30

Jaworsky, Christina A. "The effects of energy storage properties and forecast accuracy on mitigating variability in wind power generation." Thesis, Massachusetts Institute of Technology, 2013. http://hdl.handle.net/1721.1/81605.

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Анотація:
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2013.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 84-87).<br>Electricity generation from wind power is increasing worldwide. Wind power can offset traditional fossil fuel generators which is beneficial to the environment. However, wind generation is unpredictable. Wind speeds have minute to minute variability which causes minute to minute generation to fluctuate. Additionally, wind forecasting does not perfectly predict wind generation, so it is difficult for wind to m
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31

Mauger, Léo. "Generation of wind speed and solar irradiance time series for power plants with storage." Thesis, KTH, Energiteknik, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-181923.

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Sizing renewable energy power plants with storage devices needs new resource assessment. Global amount of energy available has to be replaced by time series to depict the resource as a function of time. This paper introduces methodology to generate time series for wind speed and solar irradiance with a granularity between 10minutes and 1seconde. Ground measurements and macro-date from satellite imagery are analyzed and processed to obtain long-term site-specific time series. Because renewable energy forecasting is a growing concern, a second part of the work presents how to modify previously g
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32

Leblebici, Engin. "Terrain Modeling And Atmospheric Turbulent Flowsolutions Based On Meteorological Weather Forecast Data." Master's thesis, METU, 2012. http://etd.lib.metu.edu.tr/upload/12614103/index.pdf.

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In this study, atmospheric and turbulent flow solutions are obtained using meteorological flowfield and topographical terrain data in high resolution. The terrain topology of interest, which may be obtained in various resolution levels, is accurately modeled using structured or unstructured grids depending on whether high-rise building models are present or not. Meteorological weather prediction software MM5, is used to provide accurate and unsteady boundary conditions for the solution domain. Unsteady turbulent flow solutions are carried out via FLUENT with the help of several User Defined Fu
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33

Boone, Andrew. "Simulation of Short-term Wind Speed Forecast Errors using a Multi-variate ARMA(1,1) Time-series Model." Thesis, KTH, Elektriska energisystem, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-118084.

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Анотація:
The short-term (1 to 48 hours) predictability of wind power production from wind power plants in a power system is critical to the value of wind power. Advanced wind power prediction tools, based on numerical weather prediction models and designed for power system operators, are being developed and continuously improved. One objective of the EU-supported WILMAR (Wind power Integration in Liberalised electricity MARkets) project is to simulate the stochastic optimization of the operation of the Nordic and German power systems, in order to estimate the value of potential improvements of wind pow
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34

HOELTGEBAUM, HENRIQUE HELFER. "FORECAST OF THE JOINT DENSITY OF WIND CAPACITY FACTOR THROUGH THE USE OF A MULTIVARIATE GAS MODEL." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2015. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=25286@1.

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Анотація:
PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO<br>COORDENAÇÃO DE APERFEIÇOAMENTO DO PESSOAL DE ENSINO SUPERIOR<br>PROGRAMA DE EXCELENCIA ACADEMICA<br>Neste trabalho usamos o arcabouço dos modelos GAS para gerar previsões conjuntas de fator de capacidade eólico, pertencentes a diferentes usinas localizadas em áreas geográficas distintas. Esses cenários são insumos para gerar uma distribuição de fluxo de caixa associada a um portfólio de contratos atrelados aos parques eólicos em questão. Inicialmente modelamos as densidades marginais via um modelo GAS, supondo densidade Beta. De maneira a c
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35

Scharff, Richard. "Design of Electricity Markets for Efficient Balancing of Wind Power Generation." Doctoral thesis, KTH, Elektriska energisystem, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-171063.

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Анотація:
Deploying wind power to a larger extent is one solution to reduce negative environmental impacts of electric power supply. However, various challenges are connected with increasing wind power penetration levels. From the perspective of transmission system operators, this includes balancing of varying as well as - to some extent - uncertain generation levels. From the perspective of power generating companies, changes in the generation mix will affect the market's merit order and, hence, their profits. This thesis focuses on provision and use of flexibility in the Nordic electricity market. Fir
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36

Jones, Marcia L. "A prototype expert system to forecast severe winds in the western Mediterranean Sea." Thesis, Monterey, California. Naval Postgraduate School, 1989. http://hdl.handle.net/10945/27227.

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37

Gordon, Ronald Walter. "Impact of Assimilating Airborne Doppler Radar Winds on the Inner-Core Structure and Intensity of Hurricane Ike (2008)." Scholarly Repository, 2011. http://scholarlyrepository.miami.edu/oa_theses/276.

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Анотація:
Accurate prediction of Tropical Cyclones (TC) is vital for the protection of life and property in areas that are prone to their destructive forces. While significant improvements have been made in forecasting TC track, intensity remains a challenge. It is hypothesized that accurate TC intensity forecast requires, among other things, an adequate initial description of their inner-core region. Therefore, there must be reliable observations of the inner-core area of the TC and effective data assimilation (DA) methods to ingest these data into the Numerical Weather Prediction (NWP) models. Howeve
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38

Bartošík, Tomáš. "Metody simulace dodávky výkonu z větrných elektráren." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2008. http://www.nusl.cz/ntk/nusl-217592.

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Анотація:
Theme Master’s thesis was studying of wind energy power supply. Comparison of character of wind power supply in Czech Republic to power supply abroad. Thesis begins with short introduction of historical wind applications. It continues by theory of wind engines, the wind engines construction and its facilities. Next part describes wind energy characteristics and physics. It describes wind speed influence to power supply of wind turbine, a physical limits of wind engines efficiency. Later, meteorological forecast possibilities are mentioned. Following chapter classifies wind power plants by geog
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39

Tino, Clayton P. "Wind models and stochastic programming algorithms for en route trajectory prediction and control." Diss., Georgia Institute of Technology, 2013. http://hdl.handle.net/1853/50242.

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Анотація:
There is a need for a fuel-optimal required time of arrival (RTA) mode for aircraft flight management systems capable of enabling controlled time of arrival functionality in the presence of wind speed forecast uncertainty. A computationally tractable two-stage stochastic algorithm utilizing a data-driven, location-specific forecast uncertainty model to generate forecast uncertainty scenarios is proposed as a solution. Three years of Aircraft Communications Addressing and Reporting Systems (ACARS) wind speed reports are used in conjunction with corresponding wind speed forecasts from the Rapi
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40

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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41

Filho, Celso Luís de Oliveira. "Prognóstico das variáveis meteorológicas e da evapotranspiração de referência com o modelo de previsão do tempo GFS/NCEP." Universidade de São Paulo, 2007. http://www.teses.usp.br/teses/disponiveis/11/11131/tde-21082007-111326/.

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Анотація:
Avaliou-se o desempenho de um modelo numérico de previsão do tempo (GFS - Global Forecast System &#150; antigo AVN &#150; AViatioN model - do Centro Nacional para Previsão Ambiental &#150; NCEP) no prognóstico de variáveis meteorológicas temperatura, déficit de pressão de vapor do ar, saldo de radiação e velocidade do vento, e da evapotranspiração de referência calculada pelos métodos de Thornthwaite (1948) e de Penman-Monteith (Allen et al., 1998). O desempenho foi avaliado por comparação com dados provenientes de uma estação meteorológica, situada em Piracicaba, São Paulo. A temperatura e o
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42

Музика, М. О. "Обґрунтування перспектив розвитку виноробної галузі на мезорівні (на прикладі Одеської області)". Thesis, Одеський національний економічний університет, 2020. http://dspace.oneu.edu.ua/jspui/handle/123456789/12431.

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Анотація:
У роботі розглядаються теоретичні аспекти розвитку виноробної галузі, її потенціал та основні визначення, досліджено особливості державного та зарубіжного регулювання виноробства. Проаналізовано основні тенденцій розвитку виноробної галузі у світі та Україні. Проведено аналіз стану виноробної галузі в Одеській області та здійснено оцінка основних перешкод її розвитку. Визначено основні конкурентні переваги та стратегічні завдання розвитку виноробної галузі регіону. На онові проведеного дослідження запропоновано прогноз перспектив розвитку.<br>The theoretical aspects of the development of wine-
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43

Haessig, Pierre. "Dimensionnement et gestion d’un stockage d’énergie pour l'atténuation des incertitudes de production éolienne." Thesis, Cachan, Ecole normale supérieure, 2014. http://www.theses.fr/2014DENS0030/document.

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Анотація:
Le contexte de nos travaux de thèse est l'intégration de l'énergie éolienne sur les réseaux insulaires. Ces travaux sont soutenus par EDF SEI, l'opérateur électrique des îles françaises. Nous étudions un système éolien-stockage où un système de stockage d'énergie doit aider un producteur éolien à tenir, vis-à-vis du réseau, un engagement de production pris un jour à l'avance. Dans ce contexte, nous proposons une démarche pour l'optimisation du dimensionnement et du contrôle du système de stockage (gestion d'énergie). Comme les erreurs de prévision J+1 de production éolienne sont fortement ince
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44

Franěk, Lukáš. "Flight Management System Model." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2011. http://www.nusl.cz/ntk/nusl-219075.

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Анотація:
Diplomová práce shrnuje nejdůležitější informace o letectví, jako například základní používané termíny, popis letových fází apod. V této práci je popsán flight management system, jeho funkce a schopnosti vytvořit cenově příznivý a současně absolutně spolehlivý letový plán. V další části práce je nastíněna důležitost předpovědi počasí pro bezpečnou a současně cenově příznivou leteckou dopravu. Tato práce je vytvořena v programu Matlab a všechny bloky jsou naprogramovány jako m-funkce. Důležité části kódu jsou z důvodu názornosti zobrazeny jako vývojové diagramy. Praktická část práce je rozdělen
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45

Novozámský, Adam. "Střih větru jako nebezpečný jev v letectví." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2014. http://www.nusl.cz/ntk/nusl-231313.

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Анотація:
This thesis is about wind shear and its influence on aviation. There is wide theoretical description of wind shear and it’s implemented into aviation practice. There are also methods of observation, forecasting and reporting, for both pilots and meteorologist described. In this thesis, pilots can find useful recommendations for dealing with wind shear during the flight. Every reader can also read about famous aviation accidents and look at models of weather that caused those accidents. At the end of thesis there are analyses of a rawiosonde measurements related to wind shear reports. This whol
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46

Scheele, Kyle Fred. "Wind forecast verification : a study in the accuracy of wind forecasts made by the Weather Channel and AccuWeather." Thesis, 2011. http://hdl.handle.net/2152/ETD-UT-2011-08-4234.

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Анотація:
The Weather Channel (TWC) and AccuWeather (AWX) are leading providers of weather information to the general public. The purpose of this Master’s Report is to examine the wind speed forecasts made by these two providers and determine their reliability and accuracy. The data used within this report was collected over a 12-month period at 51 locations across the state of Texas. The locations were grouped according to wind power class, which ranged from Class 1 to Class 4. The length of the forecast period was 9 days for TWC and 14 days for AWX. It was found that the values forecasted b
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47

"Short-Term Wind Power Forecasts using Doppler Lidar." Master's thesis, 2014. http://hdl.handle.net/2286/R.I.27540.

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Анотація:
abstract: With a ground-based Doppler lidar on the upwind side of a wind farm in the Tehachapi Pass of California, radial wind velocity measurements were collected for repeating sector sweeps, scanning up to 10 kilometers away. This region consisted of complex terrain, with the scans made between mountains. The dataset was utilized for techniques being studied for short-term forecasting of wind power by correlating changes in energy content and of turbulence intensity by tracking spatial variance, in the wind ahead of a wind farm. A ramp event was also captured and its propagation was tracked.
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48

CHEN, YI-CHENG, and 陳奕成. "Application of Deep Learning Techniques to Wind Power Forecasts." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/r72g79.

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Анотація:
碩士<br>逢甲大學<br>產業研發碩士班<br>107<br>In response to the issues of climate change and the pursuit of sustainable development in the world. In renewable energy, wind power is an indispensable part. Taiwan has a good geographical area in the west, as well as the promotion of conditions and policies, and the cost reduction year by year. They are all making Taiwan more suitable for developing wind power, as well as conducting related research and evaluating its benefits. This paper proposes to combine the two methods of Convolutional Neural Network (CNN) and Long Short Term Memory Network (LSTM) based
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49

Tsai, Sheng-Hang, and 蔡盛行. "A Study on the Suspended Particulate Concentration Forecasts using Back-Propagation Neural Network for Controlling Wind and Sand Disasters." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/54301662797486498421.

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Анотація:
碩士<br>國立嘉義大學<br>土木與水資源工程學系研究所<br>99<br>In this research, we estimate the wind and sand disasters around Taitung City with the back-propagation neural network (BPN). The goal of research includes: (1) to estimate and analyze the correlation between meteorological factor and the suspended particulate matter density PM10 and (2) to suggest effective solutions and prevention measures for wind and sand disasters around Taitung City based on data collection and investigation in accordance with the BPN forecasting results. This study applies separated data (summer and winter) for network testing to e
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50

Daniel, Lucky Oghenechodja. "Short term wind power forecasting in South Africa using neural networks." Diss., 2020. http://hdl.handle.net/11602/1591.

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Анотація:
MSc (Statistics)<br>Department of Statistics<br>Wind offers an environmentally sustainable energy resource that has seen increasing global adoption in recent years. However, its intermittent, unstable and stochastic nature hampers its representation among other renewable energy sources. This work addresses the forecasting of wind speed, a primary input needed for wind energy generation, using data obtained from the South African Wind Atlas Project. Forecasting is carried out on a two days ahead time horizon. We investigate the predictive performance of artificial neural networks (ANN) trained
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