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Dissertations / Theses on the topic 'Renewable energy sources Computer simulation'

Author: Grafiati

Published: 10 December 2022

Last updated: 31 July 2025

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1

Ng, Kwok-kei Simon, and 吳國基. "Optimal planning and management of stochastic demand and renewable energy in smart power grid." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2012. http://hub.hku.hk/bib/B50434299.

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To combat global climate change, the reduction of carbon emissions in different industries, particularly the power industry, has been gradually moving towards a low-carbon profile to alleviate any irreversible damage to the planet and our future generations. Traditional fossil-fuel-based generation is slowly replaced by more renewable energy generation while it can be harnessed. However, renewables such as solar and wind are stochastic in nature and difficult to predict accurately. With the increasing content of renewables, there is also an increasing challenge to the planning and operation o

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2

Liu, Kai, and 劉愷. "Optimal dispatch and management for smart power grid." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2011. http://hub.hku.hk/bib/B46336680.

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Wren, Duncan E. "Computer simulation of intelligent building facades." Thesis, Loughborough University, 2000. https://dspace.lboro.ac.uk/2134/7351.

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The economic and environmental benefits secured through the increased integration of photovoltaic (PV) technology into the built environment are undeniable and provide the principal motivation for this research. Present delays in the technology transfer of building integrated photovoltaics (BIPV) can be attributed to the following; material cost, performance guarantee, increased installation complexity and unfamiliar technology. It is well understood that the temperature of a PV material receiving solar irradiation, will increase with solar intensity, while reducing in electrical efficiency. I

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Khazaei, Javad Khazaei. "Distributed Coordination and Control of Renewable Energy Sources in Microgrids." Scholar Commons, 2016. http://scholarcommons.usf.edu/etd/6274.

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Microgrid is an emerging technology in the eld of electrical engineering which employs the concept of Distributed Energy Resources (DERs) in order to generate electricity in a small sized power system. The main objectives of this dissertation are to: 1- design a new control for lower level control of DERs in microgrids, 2- implement distributed upper level control for DERs in microgrids and 3- apply analytical approaches in order to analyze DERs in microgrids. The control in each DER can be divided into two main categories: lower and upper level. Lower level control is the main objective of co

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Chen, Tianyu. "Simulation of the thermal and electrical performance of a novel PVT-PCM system." Thesis, University of Nottingham, 2018. http://eprints.nottingham.ac.uk/49210/.

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This study provides an insight into the fundamentals of PV performance enhancement under different environmental conditions. The study also presents a new concept of PCM integrated PVT system which has a better performance from both electrical and thermal perspectives. The study employs both analytical and computational techniques to investigate the PV performance under the effect of different parameters such as wind speed, solar radiation level, ambient temperature and additional cooling condition. A parametric analysis of the PCM is also carried out under different solar radiation level, wat

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BOTTACCIOLI, LORENZO. "Modelling and simulation infrastructure for smart energy and renewable technologies integration in urban districts." Doctoral thesis, Politecnico di Torino, 2018. http://hdl.handle.net/11583/2705630.

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The 196 parties attending the conference on climate changes (COP21) in Paris highlighted the need of reducing greenhouse gas emissions [1]. In this regard, in the last years, many countries are providing incentives to promote the deployment of low-carbon and sustainable energy production technologies [2], generation such as Photovoltaic (PV) Systems. The International Energy Agency reports that [3] installation of Renewable Energy Sources (RES), Distributed Generation (DG) and an optimization of consumption with a smart use of energy is required in our cities in order to achieve the goal of re

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Duran, Serhat. "Computer-aided Design Of Horizontal-axis Wind Turbine Blades." Master's thesis, METU, 2005. http://etd.lib.metu.edu.tr/upload/12605790/index.pdf.

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Designing horizontal-axis wind turbine (HAWT) blades to achieve satisfactory levels of performance starts with knowledge of the aerodynamic forces acting on the blades. In this thesis, HAWT blade design is studied from the aspect of aerodynamic view and the basic principles of the aerodynamic behaviors of HAWTs are investigated. Blade-element momentum theory (BEM) known as also strip theory, which is the current mainstay of aerodynamic design and analysis of HAWT blades, is used for HAWT blade design in this thesis. Firstly, blade design procedure for an optimum rotor according to BEM theory i

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Taylan, Onur. "Numerical Modeling And Performance Analysis Of Solar-powered Ideal Adsorption Cooling Systems." Master's thesis, METU, 2010. http://etd.lib.metu.edu.tr/upload/12611799/index.pdf.

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Energy consumption is continuously increasing around the world and this situation yields research to find sustainable energy solutions. Demand for cooling is one of the reasons of increasing energy demand. This research is focused on one of the sustainable ways to decrease energy demand for cooling which is the solar-powered adsorption cooling system. In this study, general theoretical performance trends of a solar-powered adsorption cooling system are investigated using TRNSYS and MATLAB. Effects of different cycle enhancements, working pairs, operating and design conditions on the performanc

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Clarke, Anne E. "Electric Water Heater Modeling for Distributed Energy Resource Aggregation and Control." PDXScholar, 2018. https://pdxscholar.library.pdx.edu/open_access_etds/4449.

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Today's utilities face new challenges due to the continually increasing penetration of residential solar and other distributed, stochastic generation sources. In order to maintain balance and stability in the grid without building costly, large-scale generation plants, utilities are turning to distributed energy resources for use in demand response programs. Demand response is a cost-efficient way to balance grid load/generation without the need for increased capital investment in traditional generation resources. Demand response programs are excellent exploiters of end-user devices that other

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10

Munoz-Coreas, Edgard. "Stargrazer One: A New Architecture for Distributed Maximum Power Point Tracking of Solar Photovoltaic Sources." UKnowledge, 2015. http://uknowledge.uky.edu/ece_etds/76.

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The yield from a solar photovoltaic (PV) source is dependent on factors such as light and temperature. A control system called a maximum power point tracker (MPPT) ensures that the yield from a solar PV source is maximized in spite of these factors. This thesis presents a novel implementation of a perturb and observe (PO) MPPT. The implementation uses a switched capacitor step down converter and a custom digital circuit implementation of the PO algorithm. Working in tandem, the switched capacitor step down converter and the custom digital circuit implementation were able to successfully track

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11

Hu, Huafen. "Risk-conscious design of off-grid solar energy houses." Diss., Atlanta, Ga. : Georgia Institute of Technology, 2009. http://hdl.handle.net/1853/31814.

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Thesis (Ph.D)--Architecture, Georgia Institute of Technology, 2010.<br>Committee Chair: Godfried Augenbroe; Committee Member: Ellis Johnson; Committee Member: Pieter De Wilde; Committee Member: Ruchi Choudhary; Committee Member: Russell Gentry. Part of the SMARTech Electronic Thesis and Dissertation Collection.

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12

Moghadasiriseh, Amirhasan. "Analysis and Modeling of Advanced Power Control and Protection Requirements for Integrating Renewable Energy Sources in Smart Grid." FIU Digital Commons, 2016. http://digitalcommons.fiu.edu/etd/2469.

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Attempts to reduce greenhouse gas emissions are promising with the recent dramatic increase of installed renewable energy sources (RES) capacity. Integration of large intermittent renewable resources affects smart grid systems in several significant ways, such as transient and voltage stability, existing protection scheme, and power leveling and energy balancing. To protect the grid from threats related to these issues, utilities impose rigorous technical requirements, more importantly, focusing on fault ride through requirements and active/reactive power responses following disturbances. This

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13

Helkin, Steven Alexander. "Design and optimization of a wave energy harvester utilizing a flywheel energy storage system." Master's thesis, University of Central Florida, 2011. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/4774.

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This thesis details the design and optimization of a buoy used to collect renewable energy from ocean waves. The proposed buoy is a point absorber--a device that transforms the kinetic energy of the vertical motion of surface waves into electrical energy. The focus of the research is on the mechanical system used to collect the energy, and methods to improve it for eventual use in an actual wave energy harvester. A flywheel energy storage system was utilized in order to provide an improved power output from the system, even with the intermittent input of force exerted by ocean waves. A series

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Lind, Philip. "A study of modelling the energy system of an ice rink sports facility : Modelling the heating and cooling of ABB arena syd and implementation of renewable energy sources using TRNSYS." Thesis, Mälardalens högskola, Akademin för ekonomi, samhälle och teknik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-40054.

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Environmental issues are important challenges for today’s society. Lots of the energy used by humans comes from fossil energy sources resulting in the environmental threats. A considerable amount of this energy is used in the building sector. Industrial buildings and sports facilities are large users of energy and thus becomes very interesting in an optimization point of view. Modelling of the systems allows for cheap and effective optimizing of the energy usage and effectivity measures can be investigated and implemented. This study creates a model of the indoor ice rink arena of ABB arena sy

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Batalha, Tiago Peres 1986. "Projeto e simulação numérica de uma turbina hidrocinética de eixo vertical : Project and numerical simulation of a vertical axis hydrokinetic turbine." [s.n.], 2014. http://repositorio.unicamp.br/jspui/handle/REPOSIP/265924.

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Orientador: Kamal Abdel Radi Ismail<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Mecânica<br>Made available in DSpace on 2018-08-24T19:59:29Z (GMT). No. of bitstreams: 1 Batalha_TiagoPeres_M.pdf: 29669933 bytes, checksum: 83773b03eb136ff18c60979de7ceaffe (MD5) Previous issue date: 2014<br>Resumo: Áreas rurais ou isoladas são geralmente abastecidas com energia baseada na queima de óleo diesel. No entanto, estratégias melhores podem ser implementadas utilizando-se recursos de energia renováveis disponíveis na região como recursos hidráulicos, biomassa

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Usta, Yasemin. "Simulations Of A Large Scale Solar Thermal Power Plant In Turkey Using Concentrating Parabolic Trough Collectors." Master's thesis, METU, 2010. http://etd.lib.metu.edu.tr/upload/12612800/index.pdf.

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In this study, the theoretical performance of a concentrating solar thermal electric system (CSTES) using a field of parabolic trough collectors (PTC) is investigated. The commercial software TRNSYS and the Solar Thermal Electric Components (STEC) library are used to model the overall system design and for simulations. The model was constructed using data from the literature for an existing 30-MW solar electric generating system (SEGS VI) using PTC&rsquo<br>s in Kramer Junction, California. The CSTES consists of a PTC loop that drives a Rankine cycle with superheat and reheat, 2-stage high and

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Adekola, Olawale Ibrahim. "Design and development of a smart inverter system." Thesis, Cape Peninsula University of Technology, 2015. http://hdl.handle.net/20.500.11838/2195.

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Thesis (MTech (Electrical, Electronic and Computer Engineering))--Cape Peninsula University of Technology, 2015.<br>The growing interest in the use of solar energy to mitigate climate change, reduction in the cost of PV system and other favourable factors have increased the penetration of the PV(Photovoltaic) systems in the market and increase in the worldwide energy supply. The main component in a DG is a smart inverter connected in a grid-tied mode which serves as a direct interface between the grid and the RES (Renewable Energy System). This research work presents a three phase grid-tied i

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Ray, Mike C. T. "Solar Data Analysis." PDXScholar, 2013. https://pdxscholar.library.pdx.edu/open_access_etds/1078.

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The solar industry has grown considerably in the last few years. This larger scale has introduced more problems as well as possibilities. One of those possibilities is analyzing the data coming from the sites that are now being monitored, and using the information to answer a variety of questions. We have four questions which are of prime importance identified in this thesis: 1. Can data from customers be trusted? 2. Can we use data from existing sites to determine which sites need the most improvement? 3. Can we implement a location-based algorithm to reduce the amount of false positives for

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19

Mazloomzadeh, Ali. "Development of Hardware in the Loop Real-Time Control Techniques for Hybrid Power Systems Involving Distributed Demands and Sustainable Energy Sources." FIU Digital Commons, 2014. http://digitalcommons.fiu.edu/etd/1666.

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The future power grid will effectively utilize renewable energy resources and distributed generation to respond to energy demand while incorporating information technology and communication infrastructure for their optimum operation. This dissertation contributes to the development of real-time techniques, for wide-area monitoring and secure real-time control and operation of hybrid power systems. To handle the increased level of real-time data exchange, this dissertation develops a supervisory control and data acquisition (SCADA) system that is equipped with a state estimation scheme from the

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20

Wawerka, Robert. "Budova s téměř nulovou spotřebou energie: případová studie rekonstrukce konvenčního rodinného domu v Dánsku." Doctoral thesis, Vysoké učení technické v Brně. Fakulta stavební, 2016. http://www.nusl.cz/ntk/nusl-355637.

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This doctoral thesis proposes a new method of energy retrofitting of existing residential buildings towards nearly zero-energy status. The topic of energy retrofitting of existing buildings is widely discussed and lamented within the European Union and the Member states and is enshrined in the Directive 2010/31/EU. This research is in line with the European Union strategy Europe 2020 which sets targets for climate change and energy sustainability. The thesis describes the study of building energy performance of a pilot energy retrofitted residential building towards nearly zero-energy where pr

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21

McFarland, Matthew Ogden. "Enhanced Cal Poly SuPER System Simulink Model." DigitalCommons@CalPoly, 2010. https://digitalcommons.calpoly.edu/theses/376.

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The Cal Poly Sustainable Power for Electrical Resources (SuPER) project is a solar power DC distribution system designed to autonomously manage and supply the energy needs of a single family off-the-grid home. The following thesis describes the improvement and re-design of a MATLAB Simulink model for the Cal Poly SuPER system. This model includes a photovoltaic (PV) array, a lead-acid gel battery with temperature effects, a wind turbine model, a re-designed DC-DC converter, a DC microgrid, and multiple loads. This thesis will also include several control algorithms such as a temperature contro

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Mesbahi, Abdessamad. "Deterministic and Stochastic Economic Modeling of Hybrid Power Supply System with Photovoltaic Generators." Master's thesis, КПІ ім. Ігоря Сікорського, 2021. https://ela.kpi.ua/handle/123456789/42555.

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Relevance of research. Due to the rapid deployment of the non-dispatchable (intermittent) generation sources in the smart grid, such as integration of the photovoltaic power plants and wind turbines in the distribution systems; this caused a problem of the uncertainty increase of simulation results for decision-making for power supply systems, these uncertainties of power systems are getting more and more notice. At the same time, the classical power systems models cannot give accurate simulation results. Wherein; it became necessary to define new models to represent the specific parameters of

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Cáceres, Delgado Adriana. "Algoritmo para frenagem regenerativa de uma máquina síncrona de imã permanente." [s.n.], 2010. http://repositorio.unicamp.br/jspui/handle/REPOSIP/263011.

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Orientador: Niederauer Mastelari<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Mecânica<br>Made available in DSpace on 2018-08-16T18:46:49Z (GMT). No. of bitstreams: 1 CaceresDelgado_Adriana_M.pdf: 1925060 bytes, checksum: 9bc88ebf6480dc5a60e01e96de974f3d (MD5) Previous issue date: 2010<br>Resumo: A proteção ambiental e o melhor uso dos recursos energéticos são áreas de pesquisa de grande atividade. Como resultado destas pesquisas o desenvolvimento de veículos elétricos (VE) e híbridos (VEH) têm se acelerado. Estes possuem problemáticas desafiadoras,

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Ptáček, Michal. "Parciální řešení hybridního systému s nízkoteplotními palivovými články a obnovitelnými zdroji." Doctoral thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2014. http://www.nusl.cz/ntk/nusl-233620.

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The thesis deals with the principle functions of low-temperature fuel cells with proton exchange membrane (PEMFC), photovoltaic sources (PVPP) and wind energy sources (WPP), along with solving their detailed mathematical expressions. In this work, the individual sources and their simulated models are analyzed in depth. The actual simulation is preceded by familiarization with important historical milestones in the development of fuel cells. Furthermore there is a basic classification of fuel cells and the characteristics of the cells used in the energy sectors. The text also provides informati

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Panovec, Jan. "Uplatnění energie obnovitelných zdrojů v budovách." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2015. http://www.nusl.cz/ntk/nusl-227660.

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The aim of this diploma thesis is to understand the functioning of heating and cooling systems in an administrative building built in passive standard using a renewable energy source. The thesis includes theoretical findings of heat pumps and designing the heating systems. The experimental part contains an analysis of working of heating and cooling systems in selected rooms in assigned building, which includes an experimental measurement of selected quantities and a thermographic measurement. In the last part of the thesis a comparison of measured and simulated values using simulation software

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Ferreira, Rodrigo Arruda Felício. "Controle de microrredes CC baseado em droop adaptativo de tensão – simulação em tempo real com control-hardware-in-loop." Universidade Federal de Juiz de Fora (UFJF), 2015. https://repositorio.ufjf.br/jspui/handle/ufjf/4173.

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Submitted by Renata Lopes (renatasil82@gmail.com) on 2017-04-25T15:30:19Z No. of bitstreams: 1 rodrigoarrudafelicioferreira.pdf: 7303630 bytes, checksum: 971316c74f1313f54e1c09c837c93e74 (MD5)<br>Approved for entry into archive by Adriana Oliveira (adriana.oliveira@ufjf.edu.br) on 2017-04-26T12:05:46Z (GMT) No. of bitstreams: 1 rodrigoarrudafelicioferreira.pdf: 7303630 bytes, checksum: 971316c74f1313f54e1c09c837c93e74 (MD5)<br>Made available in DSpace on 2017-04-26T12:05:46Z (GMT). No. of bitstreams: 1 rodrigoarrudafelicioferreira.pdf: 7303630 bytes, checksum: 971316c74f1313f54e1c09c837c93

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Kravetz, Fábio Inocêncio. "Conversor SEPIC modificado com acoplamento magnético série e célula multiplicadora de tensão." Universidade Tecnológica Federal do Paraná, 2018. http://repositorio.utfpr.edu.br/jspui/handle/1/3201.

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As fontes renováveis de energia, em especial a energia solar fotovoltaica vem ganhando espaço nos últimos anos devido ao avanço da tecnologia, redução dos custos e redução das fontes não-renováveis. Os painéis fotovoltaicos isoladamente ou para pequenas aplicações geram uma baixa tensão de saída e a adequação dos níveis de tensão fornecidos em sua saída aos requeridos pela concessionária de energia elétrica é um desafio. Neste trabalho é apresentada uma nova estrutura modificada da topologia do conversor SEPIC que usa as técnicas de acoplamento magnético série e células multiplicadoras de tens

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Kumar, Rajesh. "Modelling and simulation of renewable energy sources." Thesis, 2015. http://localhost:8080/xmlui/handle/12345678/6919.

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Pusha, Ayana T. "Multiple turbine wind power transfer system loss and efficiency analysis." 2013. http://hdl.handle.net/1805/3800.

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Indiana University-Purdue University Indianapolis (IUPUI)<br>A gearless hydraulic wind energy transfer system utilizes the hydraulic power transmission principles to integrate the energy of multiple wind turbines in a central power generation location. The gearless wind power transfer technology may replace the current energy harvesting system to reduce the cost of operation and increase the reliability of wind power generation. It also allows for the integration of multiple wind turbines to one central generation unit, unlike the traditional wind power generation with dedicated generator and

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Προδρομίδης, Γεώργιος. "Mathematical simulation and optimization of a stand alone zero emissions hybrid system based on renewable energy sources." Thesis, 2014. http://hdl.handle.net/10889/7938.

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Renewable Energy Sources (RES) are the most promising resources of energy production for everyday life. Therefore, the precise combination of RES based technologies into hybrid systems could provide the solution to several energy problems facing the planet. The motivation of the present research study is the total understanding of the prevailing phenomena by using RES equipment in several projects. This thesis will focus on standalone hybrid RES based systems. By presenting the RES systems the necessity of buffering systems will become apparent as the most crucial parts of off-grid systems. T

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Dusetty, Venkatakrishna. "Numerical Simulation of Thermoelectric Transport in Bulk and Nanostructured SiSn Alloys." 2020. https://scholarworks.umass.edu/masters_theses_2/935.

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The current high demand for sustainable and renewable energy sources to solve world energy crisis has enormously increased interest in looking at alternative sources of energy. All the machines used in manufacturing process, electricity generation, residential applications, transportation etc., rejects energy in the form of heat into environment. Thermoelectric materials can convert thermal-to-electrical and electrical-to-thermal energy and can be utilized in waste-heat harvesting, more efficient cooling to reduce energy usage and CO2 emissions. Significant research efforts have been devoted o

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Sharma, Prashant Kumar. "Optimal Location of Distributed Generation to Reduce Loss in Radial Distribution Networks." Thesis, 2015. http://etd.iisc.ac.in/handle/2005/3772.

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Power losses are always a cause of worry for any power grid. In India, the situation is even worse. Though recent reports by Ministry of Power shows that Aggregate Technical and Commercial losses (AT &C losses) have come down from 36.64% in 2002-03 to 27% in 2011-12, yet they are much higher than the losses seen in many of the developed nations. The reduction shown in power loss is because of the Electricity Act, 2003 and the amendments made to it in 2007 which controlled the commercial losses rather than the technical losses. According to Ministry of Power, technical losses (Transmission & D

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Sharma, Prashant Kumar. "Optimal Location of Distributed Generation to Reduce Loss in Radial Distribution Networks." Thesis, 2015. http://etd.iisc.ernet.in/2005/3772.

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Power losses are always a cause of worry for any power grid. In India, the situation is even worse. Though recent reports by Ministry of Power shows that Aggregate Technical and Commercial losses (AT &C losses) have come down from 36.64% in 2002-03 to 27% in 2011-12, yet they are much higher than the losses seen in many of the developed nations. The reduction shown in power loss is because of the Electricity Act, 2003 and the amendments made to it in 2007 which controlled the commercial losses rather than the technical losses. According to Ministry of Power, technical losses (Transmission & D

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Γκόπης, Χρήστος, та Βάιος Βαϊνάς. "Ανάλυση υβριδικού συστήματος ηλεκτροπαραγωγής με ΑΠΕ". Thesis, 2012. http://hdl.handle.net/10889/5240.

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Η διπλωματική εργασία που ακολουθεί, παρουσιάζει τη μελέτη και μοντελοποιήση ενός αυτόνομου υβριδικού συστήματος. Το αυτόνομο σύστημα που εξετάζεται είναι ένα υβριδικό σύστημα ηλεκτροπαραγωγής που αποτελείται από ένα φωτοβολταϊκό πάρκο, μία ανεμογεννήτρια, μία μονάδα υδρογόνου και δύο γεννήτριες βιομάζας και φυσικού αερίου. Για την μοντελοποίηση του συστήματος χρησιμοποιείται το πρόγραμμα σχεδιάσης και προσομοίωσης ηλεκτρικών συστημάτων PSCAD. Στην εργασία αυτή το ενδιαφέρον εστιάζεται στη συμπεριφορά του συστήματος στη μόνιμη κατάσταση λειτουργίας και στη συμπεριφορά σε κάποια μεταβατικά φαι

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(9826433), Rodney Peters. "Transient overvoltages in mine power systems." Thesis, 1998. https://figshare.com/articles/thesis/Transient_overvoltages_in_mine_power_systems/20341575.

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<p> This thesis investigates the nature and magnitude of switching transient overvoltages that can be expected in inductively grounded underground coal mines. Computer models of power system equipment have been developed to analyse single-phase fault isolations; motor starts (including prestriking) and motor turn offs. The computer models that were developed have been validated against field recordings. The "Alternative Transients Program" (ATP) software was used to conduct the computer simulation studies. </p> <p>The underground substations used in Central Queensland coal mines are grounded t

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(8083571), Veeraraghava Raju Hasti. "HIGH-PERFORMANCE COMPUTING MODEL FOR A BIO-FUEL COMBUSTION PREDICTION WITH ARTIFICIAL INTELLIGENCE." Thesis, 2019.

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<p>The main accomplishments of this research are </p> <p>(1) developed a high fidelity computational methodology based on large eddy simulation to capture lean blowout (LBO) behaviors of different fuels; </p> <p>(2) developed fundamental insights into the combustion processes leading to the flame blowout and fuel composition effects on the lean blowout limits; </p> <p>(3) developed artificial intelligence-based models for early detection of the onset of the lean blowout in a realistic complex combustor. </p> <p>The methodologies are demonstrated by performing the lean blowout (LBO) calcula

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