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Dissertations / Theses on the topic 'Electrical sizing'

Author: Grafiati

Published: 7 July 2024

Last updated: 31 July 2025

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1

Chauveau, Clément. "Sizing of the French secondary sources." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-285575.

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The study carried out in this master thesis comes from a larger project from the ENTSO-E(gathering of the European Transmission System Operators (TSO)) focusing on introductionof a European platform for the exchange of balancing energy from frequency restorationreserves. The frequency restoration reserves are the power reserves that allow the TSO tobalance the consumption and the production. The management of these reserves istherefore strategic for the TSO. RTE (the French TSO) takes part to this European project andthis has led RTE to challenge its secondary sources sizing method. The sizing

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2

Gregory, Peter. "Analysis of sedimenting Kaolin suspensions by miniaturised Electrical Resistance Tomography." Thesis, University of Exeter, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.302456.

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3

Coppez, Gabrielle. "Optimal sizing of hybrid renewable energy systems for rural electrification." Master's thesis, University of Cape Town, 2011. http://hdl.handle.net/11427/10274.

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Includes bibliograhical references.<br>This project has the objective of creating a tool for feasibility assessment and recommendations of sizing of hybrid renewable energy systems in rural areas in South Africa. This involves the development of a tool which would analyse information input about the climate of the area and the load demand.

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4

Kuo, Irene Y. (Irene Yunchia) 1976. "A methodology for sizing components in a dual-voltage automotive electrical system." Thesis, Massachusetts Institute of Technology, 1999. http://hdl.handle.net/1721.1/80198.

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Thesis (S.B. and M.Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1999.<br>Includes bibliographical references (p. 113).<br>by Irene Y. Kuo.<br>S.B.and M.Eng.

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5

Wills, William Noah. "A General Method for Sizing Battery Energy Storage Systems for Use in Mitigating Photovoltaic Flicker." Thesis, University of Missouri - Columbia, 2019. http://pqdtopen.proquest.com/#viewpdf?dispub=13850758.

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<p> A method for sizing battery energy storage (BES) systems for use in mitigating voltage flicker caused by solar intermittency in photovoltaic generation was developed. The method creates a “design day” from existing solar data and designs the power and energy requirements for a BES system that can help a photovoltaic facility mitigate flicker caused by solar activity associated with the design day. An economic analysis of lead-acid and lithium-ion options for the BES was also developed. The method was then applied to a proposed photovoltaic project in the Midwestern United State

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6

Bagheri, Rajeoni Alireza. "ANALOG CIRCUIT SIZING USING MACHINE LEARNING BASED TRANSISTORCIRCUIT MODEL." University of Akron / OhioLINK, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=akron1609428170125214.

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7

Cameron, Grant Arthur 1960. "A model and algorithm for sizing and routing DCS switched telecommunications networks." Diss., The University of Arizona, 1998. http://hdl.handle.net/10150/282772.

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Demand for broadband services such as fax, videotelephony, video conference and data transmission continues to explode as we move into the twenty-first century. The new broadband demand differs from voice traffic in that it varies rapidly with respect to the average length of time capacity is held by a customer. Hence, steady state models of network traffic are not valid in general, and may not provide approximations that are sufficiently accurate for network design. In addition, modern telecommunications networks incorporate advanced switching technology that can provide flexible routing of n

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8

Klasson, Alexander, and Philip Melin. "Battery Sizing and Placement in the Low Voltage Grid including Photovoltaics." Thesis, Linköpings universitet, Fordonssystem, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-166795.

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Installations of photovoltaic power production increases each year. This can have a negative consequence on the distribution grid where the voltage can increase. The electric distribution companies in Sweden have a responsibility in keeping the grid at certain voltages, and have to reinforce the grid if these voltages are outside these levels. This Master's Thesis investigates the difference in strengthening the grid with help of cables or with help of batteries, especially the economic differences between the two and in which cases they might be viable, both today and in the future. A real ca

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9

Panagiotou, Konstantina. "Design recommendations and sizing guidelines for small scale grid-connected decentralised energy systems." Thesis, University of Nottingham, 2018. http://eprints.nottingham.ac.uk/55365/.

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Decentralised energy systems (DES) can be seen as a promising network topology which can potentially address the 21st century energy and power challenges that the existing hierarchical, centrally controlled power grid is required to face. Comprehensive design and representation of such systems are among the many obstacles which restrict the wider spread of DES. This thesis is concerned with the feasibility and profitability of small scale grid-connected DES located in UK. A suitable design and development procedure was proposed in this study for the analytical and detailed representation of th

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10

Tan, Chin Hwee. "Optimization of power and delay in VLSI circuits using transistor sizing and input ordering." Thesis, Massachusetts Institute of Technology, 1994. http://hdl.handle.net/1721.1/35979.

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11

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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<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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12

Kross, Cory Kenneth. "A Method for Evaluating Aircraft Electric Power System Sizing and Failure Resiliency." DigitalCommons@CalPoly, 2017. https://digitalcommons.calpoly.edu/theses/1709.

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With the More Electric Aircraft paradigm, commercial commuter aircraft are increasing the size and complexity of electrical power systems by increasing the number of electrical loads. With this increase in complexity comes a need to analyze electrical power systems using new tools. The Hybrid Power System Optimizer (HyPSO) developed by Airbus SAS is a simulator designed to analyze new aircraft power systems. This thesis project will first provide a method to assess the reliability of complex aircraft electrical power systems before and after failure and reconfiguration events. Next, an add-on

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13

Chanda, Soumendu. "Powertrain Sizing and Energy Usage Adaptation Strategy for Plug-in Hybrid Electric Vehicles." University of Akron / OhioLINK, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=akron1208385855.

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14

Gebresilassie, Yosef. "Sizing and modeling a microgrid containing renewable energy production, energy storage, electrical vehicles and other green technologies." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-289328.

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Optimal design of a microgrid containing renewable energy sources in a residential sector is important to have a technical and economical feasible investment. In this project a microgrid (MG) for a house cooperative in Hudiksvall, Sweden has been studied. The aim of this study is to estimate how the electric vehicles (EVs) will aid the MG assuming different availabilities. Furthermore, this study aims to investigate optimal sizes of photovoltaic (PV) power and solar collectors for the households as well as possible energy storage capacity to increase the self-consumption. To study the role of

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15

Nonaka, Alan. "Boost Converter Inductor Sizing Effects on the Performance of MPPT Algorithms." DigitalCommons@CalPoly, 2020. https://digitalcommons.calpoly.edu/theses/2229.

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With solar power and other renewables set to take over the market in the coming decades, maximum power point tracking will be essential to optimizing power output. One underserved topic of research is the effect of inductor current ripple on performance of Maximum Power Point Tracking (MPPT) algorithms. Many new topologies are focused on decreasing the ripple from PV source to increase efficiency and power output. However, not much has been done to show ripple degrading performance of MPPT algorithms. This study uses a boost converter topology to test the performance of constant duty cycle ste

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16

Khasawneh, Hussam Jihad. "Sizing Methodology and Life Improvement of Energy Storage Systems in Microgrids." The Ohio State University, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=osu1429638668.

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17

Mehra, Varun S. M. Massachusetts Institute of Technology. "Optimal sizing of solar and battery assets in decentralized micro-grids with demand-side management." Thesis, Massachusetts Institute of Technology, 2017. http://hdl.handle.net/1721.1/108959.

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Thesis: S.M. in Technology and Policy, Massachusetts Institute of Technology, School of Engineering, Institute for Data, Systems, and Society, Technology and Policy Program, 2017.<br>Thesis: S.M., Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science, 2017.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 199-209).<br>Solar-based community micro-grids and individual home systems have been recognized as key enablers of electricity provision to the over one billion people living without energy access to-date. Despit

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18

Collin, Philippe. "Design, taking into account the partial discharges phenomena, of the electrical insulation system (EIS) of high power electrical motors for hybrid electric propulsion of future regional aircrafts." Thesis, Toulouse 3, 2020. http://www.theses.fr/2020TOU30116.

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La réduction des émissions de CO2 est un enjeu majeur pour l'Europe dans les années à venir. Les transports sont aujourd'hui à l'origine de 24% des émissions globales de CO2. L'aviation ne représente que 2% des émissions globales de CO2. Cependant, le trafic aérien est en pleine expansion et, déjà, des inquiétudes apparaissent. A titre d'exemple, en Suède, depuis les années 1990, les émissions de CO2 dues au trafic aérien ont augmenté de 61%. Ce constat explique l'apparition du mouvement "Flygskam" qui se repend dans de plus en plus de pays Européen. C'est dans ce contexte que l'Union Européen

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19

Sergent, Aaronn. "Optimal Sizing and Control of Battery Energy Storage Systems for Hybrid-Electric, Distributed-Propulsion Regional Aircraft." The Ohio State University, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=osu1595519141013663.

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20

Nanewortor, Xoese Kobla [Verfasser], Harald [Akademischer Betreuer] Schwarz, and Przemyslaw [Akademischer Betreuer] Janik. "A concept of renewable energy plant-storage capacity sizing for integration into electrical distribution network / Xoese Kobla Nanewortor ; Harald Schwarz, Przemyslaw Janik." Cottbus : BTU Cottbus - Senftenberg, 2016. http://d-nb.info/1114666890/34.

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21

Yelamarthi, Kumar. "Process Variation-Aware Timing Optimization with Load Balance of Multiple Paths in Dynamic and Mixed-Static-Dynamic CMOS Logic." Wright State University / OhioLINK, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=wright1213880942.

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22

Tamimi, Ala. "Voltage stability limits for weak power systems with high wind penetration." Diss., Kansas State University, 2011. http://hdl.handle.net/2097/13100.

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Doctor of Philosophy<br>Department of Electrical and Computer Engineering<br>Anil Pahwa<br>Shelli K. Starrett<br>Analysis of power system voltage stability has practical value in increasing wind penetration levels. As wind penetration levels increase in power systems, voltage stability challenges arise due to locating wind resources far away from load centers. This dissertation presents several different voltage stability methods for sizing new wind farms. Power system wind penetration levels depend on the available voltage stability margins (VSMs) of the existing power system and system load

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23

Davis, Joseph P. "Electronic Interface for an Inductive Wear Debris Sensor for Detection of Ferrous and Non-Ferrous Particles." University of Akron / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=akron1380998832.

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24

Moisson, franckhauser Nicolas. "Development of methods and tools for the design and optimisation of Brushless Doubly-Fed Induction Machines for variable speed application in Hydro-generation." Thesis, Université Grenoble Alpes (ComUE), 2018. http://www.theses.fr/2018GREAT031/document.

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Les Stations de Transfert d’Energie par Pompage (STEP) sont des structures importantes pour stabiliser le réseau électrique.Les technologies à vitesse variable peuvent améliorer l'efficacité et la souplesse d’utilisation des STEPs. Les technologies actuelles telles que les machines alimentées en fréquence variable, ou les Machines Asynchrone à Double Alimentations (MADA) présentent des inconvénients. Dans ce travail, nous nous concentrons sur une structure non conventionnelle de machine à vitesse variable : la Machine à Induction à Double Alimentation sans Balais (BDFM). Les objectifs sont de

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25

Gopalakrishnan, Harish. "Energy Reduction for Asynchronous Circuits in SoC Applications." Wright State University / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=wright1324264498.

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26

Boukir, Anass. "Outils pour l’optimisation du dimensionnement des infrastructures d’alimentation électrique de tramway ou de métro." Electronic Thesis or Diss., Sorbonne université, 2023. http://www.theses.fr/2023SORUS668.

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L'électrification des transports collectifs urbains, tels que le tramway, constitue un enjeu environnemental majeur. Les études technico-financières pour ces projets couvrent différents aspects de l'infrastructure, tels que le terrassement, les ouvrages d'art, les plateformes de voie ferrée, les bâtiments voyageurs, la technologie électrique, etc. L'objectif de ces études est de proposer des solutions techniques tout en évaluant les coûts, tant en termes d'investissement que de fonctionnement. L'infrastructure de traction électrique est un élément primordial dans cette équation, présentant un

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27

Audoit, Jérémie. "Optimisation de la conductivité électrique transverse de composites structuraux PAEK-fils submicroniques d'argent/fibres de carbone continues avec ensimage conducteur." Thesis, Toulouse 3, 2017. http://www.theses.fr/2017TOU30001/document.

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Ce travail propose une optimisation de la conductivité électrique transverse des composites structuraux matrice/fibres de carbone. L'influence de la fonctionnalisation électrique de l'ensimage sur la conductivité des composites est particulièrement étudiée. Des feuillets submicroniques d'argent (AgNpts) ont été élaborés en présence de citrate de sodium (TSC). Leur morphologie plane est particulièrement adaptée à une dispersion dans un ensimage. Les feuillets ont été dispersés dans une matrice modèle. Le seuil de percolation électrique des feuillets est déterminé à 5,9 %. Cette valeur est cohér

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28

Barnawi, Abdulwasa. "Hybrid PV/Wind Power Systems Incorporating Battery Storage and Considering the Stochastic Nature of Renewable Resources." University of Toledo / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1470357709.

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29

Chakraborty, Imon. "Subsystem architecture sizing and analysis for aircraft conceptual design." Diss., Georgia Institute of Technology, 2015. http://hdl.handle.net/1853/54427.

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In traditional aircraft conceptual design, subsystems are largely accounted for implicitly based on available historical data and trends. Such an approach has limitations when novel subsystem architectures such as More Electric or All Electric aircraft are considered, since historical data regarding such architectures is either limited or non-existent. In such cases, the incorporation of more thorough and explicit consideration of the aircraft subsystems into the conceptual design phase is warranted. The first objective of this dissertation is to integrate subsystem sizing and analysis metho

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30

Burton, Michael S. M. (Michael J. ). Massachusetts Institute of Technology. "Solar-electric and gas powered, long-endurance UAV sizing via geometric programming." Thesis, Massachusetts Institute of Technology, 2017. http://hdl.handle.net/1721.1/112414.

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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 83-85).<br>Fueled by telecommunication needs and opportunities, there has been a recent push to develop aircraft that can provide long-endurance (days to weeks) persistent aerial coverage. These aircraft present a complicated systems engineering problem because of the multifaceted interaction between aerodynamics, structures, environmental effects, and engine, battery, and other component performance. Using

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31

Geiß, Ingmar [Verfasser]. "Sizing of the Series Hybrid-electric Propulsion System of General Aviation Aircraft / Ingmar Geiß." München : Verlag Dr. Hut, 2021. http://nbn-resolving.de/urn:nbn:de:101:1-2021100123334382521757.

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32

Choi, Tayoung Gabriel. "Modeling, Sizing and Control of Plug-in Light Duty Fuel Cell Hybrid Electric Vehicle." The Ohio State University, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=osu1230712944.

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33

Husain, Tausif. "DESIGN, ANALYSIS AND IMPLEMENTATION OF A NOVEL DOUBLE SIDED E-CORETRANSVERSE FLUX MACHINE WITH AXIAL AIRGAP." University of Akron / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=akron1500561964286682.

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34

Zenginis, Ioannis. "Optimal sizing and operation planning of microgrids and operation analysis of charging stations for electric vehicles." Doctoral thesis, Universitat Politècnica de Catalunya, 2018. http://hdl.handle.net/10803/664711.

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Energy and transportation sectors are going through major changes as a result of technological advances, depletion of fossil fuels and climate change. With regard to the energy sector, the future smart grid is expected to be an interconnected network of small-scale and self-contained microgrids, in addition to a large-scale electric power backbone. By utilizing microsources, such as renewable energy sources, energy storage systems and vehicle-to-grid systems, microgrids target to satisfy the customers’ energy demands in a safe, reliable, economic and environmentally friendly way. With regard t

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35

Condron, Ewell D. "Cost Savings Realized Through Proper Sizing of an Excessive Instrument Air System." Thesis, University of North Texas, 2003. https://digital.library.unt.edu/ark:/67531/metadc4428/.

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The purpose of this research was to determine if installing a smaller air compressor could reduce the electrical usage of a large semiconductor manufacturing plant. A 200 horsepower Atlas Copco compressor was installed with the existing 500 horsepower Ingersoll-Rand compressors. Testing was conducted during the regular manufacturing process at MEMC Southwest in Sherman, Texas. Analysis of the data found that installing the new compressor could reduce electrical consumption. The study also found there are specific operational setpoints that allow the compressor to operate more efficiently.

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36

Ozden, Burak Samil. "Modeling And Optimization Of Hybrid Electric Vehicles." Master's thesis, METU, 2013. http://etd.lib.metu.edu.tr/upload/12615583/index.pdf.

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The main goal of this thesis study is the optimization of the basic design parameters of hybrid electric vehicle drivetrain components to minimize fuel consumption and emission objectives, together with constraints derived from performance requirements. In order to generate a user friendly and flexible platform to model, select drivetrain components, simulate performance, and optimize parameters of series and parallel hybrid electric vehicles, a MATLAB based graphical user interface is designed. A basic sizing procedure for the internal combustion engine, electric motor, and battery is develop

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37

Zimmerman, Nathan. "Vanadium Redox Flow Battery : Sizing of VRB in electrified heavy construction equipment." Thesis, Mälardalens högskola, Framtidens energi, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-26918.

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In an effort to reduce global emissions by electrifying vehicles and machines with internal combustion engines has led to the development of batteries that are more powerful and efficient than the common lead acid battery. One of the most popular batteries being used for such an installation is lithium ion, but due to its short effective usable lifetime, charging time, and costs has driven researcher to other technologies to replace it. Vanadium redox flow batteries have come into the spotlight recently as a means of replacing rechargeable batteries in electric vehicles and has previously be

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38

MALAGA, MANOLO MIGUEL PINTO. "DEVELOPMENT OF A METHODOLOGY FOR SIZING AN ELECTRIC ENERGY SUPPLY HIBRID SYSTEM FOR PEAK SHAVING AND COMMERCIAL SECTOR." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2010. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=16719@1.

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COORDENAÇÃO DE APERFEIÇOAMENTO DO PESSOAL DE ENSINO SUPERIOR<br>Qualquer atividade em uma sociedade moderna só é possível com o uso intensivo e eficiente de uma ou mais formas de energia. Das diversas formas de energia interessam, em particular, aquelas que são processadas e colocadas à disposição dos consumidores, tais como a energia elétrica. Neste trabalho é apresentado o desenvolvimento de duas metodologias que permitem gerar curvas de Capacidade de Carga a partir de (i) dados aleatórios de perfil de consumo de energia elétrica da PUC – Rio (ii) as contas (Faturas) da concessionária local.

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39

Grahn, Pontus. "Utilization of a tailormade condition monitoring device for third party motors." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-235281.

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Our society moves towards digitalization and the industry is not an exception. Siemenshas developed a wireless condition monitoring device called Simotics Connect in order tohelp them to move forward in the world of digitalization. The Simotics Connect has threeinbuilt sensors. One for temperature, one for vibrations and one for magnetic flux density,a product that is new in the market. This master thesis has investigated its usability forthird party motors, which has not been done.Four areas were investigated, the status in the current market, creating a motorgeometry estimation based on name

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40

Nguyen, Huy Cuong. "Modélisation électrothermique de système électrique électronique automobile et pilotage de mosfet intelligents pour protéger les faisceaux, éviter les courts circuits aggravés et diminuer la masse de câblage." Thesis, Bordeaux 1, 2013. http://www.theses.fr/2013BOR14776/document.

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Sur les différents calculateurs du véhicule, de plus en plus d'organes sont commandés par un interrupteur en silicium (circuit MOSFET) au lieu d'un relais. En plus de la fonction de commutation de puissance, le MOSFET peut comprendre un dispositif de mesure du courant afin de contrôler le pilotage de l'organe et/ou assurer une fonction de diagnostic. On appelle ce type de composant un commutateur intelligent de puissance ou Smart Switch. Il est aussi prévu dans le Smart Switch un dispositif de coupure du courant, en cas d'échauffement interne dû à une surintensité électrique. Avec les dernière

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41

Agha, Kassab Fadi. "Co-optimisation of the sizing and control of an urban microgrid." Electronic Thesis or Diss., Compiègne, 2024. http://www.theses.fr/2024COMP2822.

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La modernisation du réseau électrique (RE) par la mise en œuvre de micro-réseaux offre un potentiel significatif pour améliorer la résilience énergétique, la durabilité et l'efficacité. Cependant, cette transition implique de naviguer dans un ensemble complexe de défis techniques, économiques et environnementaux. Les micro-réseaux nécessitent une planification et une optimisation méticuleuses pour équilibrer la génération, le stockage et la consommation d'énergie tout en minimisant les coûts et les émissions de carbone. Atteindre cet équilibre nécessite des stratégies d'optimisation avancées c

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42

Pornet, Clément [Verfasser], Mirko [Akademischer Betreuer] Hornung, Mirko [Gutachter] Hornung, and Manfred [Gutachter] Hajek. "Conceptual Design Methods for Sizing and Performance of Hybrid-Electric Transport Aircraft / Clément Pornet ; Gutachter: Mirko Hornung, Manfred Hajek ; Betreuer: Mirko Hornung." München : Universitätsbibliothek der TU München, 2018. http://d-nb.info/1162621184/34.

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43

Putra, Wing Hendroprasetyo Akbar. "Use of alternating current field measurement (ACFM) technique for sizing internal surface defects on thin-walled austenitic stainless steel pipes." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape8/PQDD_0030/MQ47469.pdf.

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44

Basma, Hussein. "Energy management strategies for battery electric bus fleet." Thesis, Université Paris sciences et lettres, 2020. http://thesesprivees.mines-paristech.fr/2020/2020UPSLM036_archivage.pdf.

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Les bus électriques à batterie (BEB) représentent une solution prometteuse pour remplacer les flottes de bus diesel actuelles consommant des énergies fossiles grâce à leur efficacité énergétique élevée et à leur potentiel de réduction des émissions de gaz à effet de serre et à l’absence d’émissions de polluants atmosphériques locaux. Cependant, cette technologie doit faire face à plusieurs défis, en particulier le coût total de possession (TCO) élevé et des contraintes opérationnelles comme l’autonomie des bus, le temps et le lieu de recharge. Cette thèse présente une méthodologie systématique

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45

Devillers, Nathalie. "Caractérisation et modélisation de composants de stockage électrochimique et électrostatique." Phd thesis, Université de Franche-Comté, 2012. http://tel.archives-ouvertes.fr/tel-00838733.

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Dans le domaine aéronautique, l'optimisation du rendement énergétique global, la réduction des masses embarquées et la nécessité de répondre aux besoins énergétiques croissants conduisent à développer de nouvelles technologies et méthodes pour générer l'énergie électrique à bord, pour la distribuer, la convertir et la stocker. Dans cette thèse, des éléments de stockage de l'énergie électrique sont caractérisés dans l'optique d'être modélisés. Parmi les différents systèmes de stockage, présentés dans un état de l'art préliminaire, sont retenus les supercondensateurs et les accumulateurs électro

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Kovaltchouk, Thibaut. "Contributions à la co-optimisation contrôle-dimensionnement sur cycle de vie sous contrainte réseau des houlogénérateurs directs." Thesis, Cachan, Ecole normale supérieure, 2015. http://www.theses.fr/2015DENS0033/document.

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Les Energies Marines Renouvelables (EMR) se développent aujourd’hui très vite tant au niveau de la recherche amont que de la R&D, et même des premiers démonstrateurs à la mer. Parmi ces EMR, l'énergie des vagues présente un potentiel particulièrement intéressant. Avec une ressource annuelle brute moyenne estimée à 40 kW/m au large de la côte atlantique, le littoral français est plutôt bien exposé. Mais l’exploitation à grande échelle de cette énergie renouvelable ne sera réalisable et pertinente qu'à condition d'une bonne intégration au réseau électrique (qualité) ainsi que d'une gestion e

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Konate, Lamine Boubacar. "Modélisation de la tenue diélectrique dans les grands intervalles d'air : application aux intervalles complexes." Thesis, Lyon, 2016. http://www.theses.fr/2016LYSEC040.

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Cette thèse est consacrée à l’étude de la décharge positive dans les grands intervalles d’air. L’objectif initial est de se doter d’un modèle capable de déterminer la tension U50 ainsi que le facteur d’intervalle k, deux facteurs importants entrant dans le dimensionnement des ouvrages hautes tensions, dans des géométries complexes. Pour ce faire un bilan des modèles de la décharge disponibles dans la littérature a été fait. Notre choix s’est porté sur le modèle de type circuit développé par le groupe du professeur Beroual et appliqué aussi bien à la décharge positive qu’à la décharge négative.

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Allali, Nicolas. "Convertisseur haut rendement à dimensionnement réduit pour batterie hybridée puissance/énergie de véhicule électrique : Principe de source de courant contrôlée." Thesis, Ecole centrale de Lille, 2016. http://www.theses.fr/2016ECLI0018/document.

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Ce mémoire présente une solution de conversion d’énergie permettant de couplerdeux sources de tension électrique similaire à dimensionnement réduit. Appliqué à un système de stockage hybridé puissance/énergie pour véhicule électrique, cette solution présente un compromis de coût de production, de masse et de rendement énergétique meilleur que celui des hacheurs classiques. Nous proposons en réponse à cette problématique l’utilisation d’une source de courant contrôlée placée en série avec les deux sources de tension pour réaliser leur couplage. Une structure de convertisseur permettant ce coupl

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Sadoun, Redha. "Intérêt d’une Source d’Energie Electrique Hybride pour véhicule électrique urbain – dimensionnement et tests de cyclage." Thesis, Ecole centrale de Lille, 2013. http://www.theses.fr/2013ECLI0009/document.

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Actuellement, la principale source d’énergie embarquée dans les véhicules électriques est composée de batteries Li-ion. Cette thèse fait partie des thématiques communes de travail que mène L’ESTACA en collaboration avec le L2EP. L’objectif ce projet est d’étudier l’apport d’une source hybride composée de batteries Li-ion et des supercondensateurs, sur les performances d’un véhicule électrique urbain.Dans un premier temps, une stratégie de gestion d’energie basée sur l’approche des règles déterministes a été appliquée pour montrer l’intérêt de l’association des différentes technologies de batte

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Cortez, Ernest. "Aportaciones al dimensionamiento y gestión de energía de un tren de potencia eléctrico híbrido para vehículos industriales con ciclos de conducción repetitivos y agresivos." Doctoral thesis, Universitat Politècnica de Catalunya, 2019. http://hdl.handle.net/10803/668254.

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Currently, the interest for helping mitigate the emission of greenhouse gases caused by high fuel consumption in industrial vehicles has increased. In order to the reduction of fuel consumption in an industrial vehicle, it has been proposed to incorporate into the powertrain a system capable of storing and supplying electrical energy. Consequently, the design of a hybrid electric powertrain is required, based on the interconnection of the elements (topology), the sizing of the elements and/or the energy management strategy of the powertrain. This paper presents a methodology for the design

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