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Dissertations / Theses on the topic 'Technology / Power Resources'

Author: Grafiati

Published: 4 June 2021

Last updated: 27 July 2025

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1

Bawakyillenuo, Simon. "Rural electrification in Ghana : issues of photovoltaic energy technology utilisation." Thesis, University of Hull, 2007. http://hydra.hull.ac.uk/resources/hull:579.

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Energy plays a pivotal role in human development. Not only is it sine qua non for national economic development, but it also provides services that enhance social development including, health and sanitation, education, potable water, cooking. In spite of this, at present, there are about two billion people without access to modern sources of energy, most of them in the rural areas of the developing world. Consequentially, the social and economic development of these two billion people hangs in the balance. In recent times, however, considerable advocacy has taken place in the academic and pol

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2

Kitsou, Olga 1973. "Power generation from geothermal resources : challenges and opportunities." Thesis, Massachusetts Institute of Technology, 2000. http://hdl.handle.net/1721.1/38199.

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Thesis (S.M.)--Massachusetts Institute of Technology, Technology and Policy Program; and, (S.M.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 2000.<br>Includes bibliographical references (leaves 73-79).<br>As we enter the 21st century, increasing concerns about global warming have stimulated an upsurge of interest in the use of non-fossil energy technologies for electricity production. As a result there is an opportunity for expansion of geothermal resource development. This thesis examines power generation technology for two distinct categories of geot

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3

Beukes, Justin. "An economic analysis of concentrator photovoltaic technology use in South Africa: a case study." Thesis, Nelson Mandela Metropolitan University, 2013. http://hdl.handle.net/10948/d1018636.

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South Africa relies heavily on fossil fuels, particularly coal, to generate electricity and it is a well known fact that the use of fossil fuels contributes to climate change, as it produces greenhouse gases (GHGs). In fact, internationally South Africa is the 17th highest emitter of GHGs (Congressional Research Service (CRS), 2008). Coupled with the environmental consequences of fossil fuel use, South Africa has a further responsibility of addressing the inherited backlog of electricity provision to the rural, and previously disadvantaged communities. In an attempt to address these two proble

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Schneider, Bettina. "Economic feasibility study for the wave energy technology of Gaia Power Group Pty Ltd." Thesis, Stellenbosch : Stellenbosch University, 2011. http://hdl.handle.net/10019.1/79331.

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Thesis (MBA)--Stellenbosch University, 2011.<br>Gaia Power is a South African start-up in the renewable energy industry. Among other products, they developed a wave energy converter, which is a device used to extract energy from ocean waves. This research deals with the economic feasibility study of the wave energy converter. Wave energy is a young field of research, especially in the South African context. Therefore sources for multiple angles of the project had to be found, analysed and brought into the Gaia Power context. Understanding the cost drivers of a wave energy plant was the foundat

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5

Law, Stephen Mark. "A review of appropriate energy technologies for household use in underdeveloped areas in South Africa." Master's thesis, University of Cape Town, 1991. http://hdl.handle.net/11427/21801.

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The development of technologies and structures providing energy for household use in South Africa have for many years been dominated by the needs of "white" households. While these needs have been comprehensively met through cheap and efficient energy supplies, the needs of those in the "homelands" and townships have effectively been ignored. Thus, for roughly two-thirds of the population in South Africa, the struggle to meet basic energy needs for cooking, water heating, space heating and lighting is time consuming and expensive. The planning of a national energy strategy for the future can n

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6

Givisiez, Arthur Gonçalves. "Technical and economical evaluation of combined cooling, heat and power technology: a brazilian study case considering different consumers." Universidade Federal de Juiz de Fora (UFJF), 2018. https://repositorio.ufjf.br/jspui/handle/ufjf/7553.

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Submitted by Geandra Rodrigues (geandrar@gmail.com) on 2018-09-25T13:55:05Z No. of bitstreams: 1 arthurgoncalvesgivisiez.pdf: 15097769 bytes, checksum: e434481fde7014f783d8b75137429fba (MD5)<br>Approved for entry into archive by Adriana Oliveira (adriana.oliveira@ufjf.edu.br) on 2018-10-01T18:11:02Z (GMT) No. of bitstreams: 1 arthurgoncalvesgivisiez.pdf: 15097769 bytes, checksum: e434481fde7014f783d8b75137429fba (MD5)<br>Made available in DSpace on 2018-10-01T18:11:02Z (GMT). No. of bitstreams: 1 arthurgoncalvesgivisiez.pdf: 15097769 bytes, checksum: e434481fde7014f783d8b75137429fba (MD5) Pr

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Menzies, Greig Hamilton. "An economic evaluation of a wind power electricity generating farm in South Africa." Thesis, Nelson Mandela Metropolitan University, 2011. http://hdl.handle.net/10019.1/18156.

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Thesis (MComm (Economics)--Nelson Mandela Metropolitan University, 2011.<br>ENGLISH ABSTRACT: Renewable energy technology has received much attention over recent years. The depletion of known fossil fuel reserves and the volatility of international fuel prices require that society looks beyond the current coal-dominated electricity generation methods. Wind energy is an internationally well-established technology with large markets in major countries around the world, such as the USA and Germany. South Africa has the potential to generate large amounts of electricity from the wind because of th

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Yee, Victoria E. "Predicting the renewable energy portfolio for the southern half of the United States through 2050 by matching energy sources to regional needs." Scholarly Commons, 2012. https://scholarlycommons.pacific.edu/uop_etds/808.

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Worldwide energy consumption is estimated to double between 2008 and 2035. Over-dependence on energy imports from a few, often politically unstable countries, and unpredictable oil and gas prices, pushes energy to a critical agenda. While there is an agreement that we need to change the production and consumption of energy, there is still disagreement about the specific changes that are needed and how they can be achieved. The conventional energy plans relying primarily on fossil fuels and nuclear technologies, which are in need of transformation due to limited resources and carbon dioxide emi

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9

Etherden, Nicholas. "Increasing the hosting capacity of distributed energy resources using storage and communication." Doctoral thesis, Luleå tekniska universitet, Energivetenskap, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-18490.

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This thesis develops methods to increase the amount of renewable energy sources that can be integrated into a power grid. The assessed methods include i) dynamic real-time assessment to enable the grid to be operated closer to its design limits; ii) energy storage and iii) coordinated control of distributed production units. Power grids using such novel techniques are referred to as “Smart Grids”. Under favourable conditions the use of these techniques is an alternative to traditional grid planning like replacement of transformers or construction of a new power line. Distributed Energy Resourc

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10

Lückemeyer, Alfonso Celso Arruda Bianchini. "Análise da matriz energética brasileira sob a visão sistêmica: programas energéticos governamentais e a redução de gases de efeito estufa." Universidade Tecnológica Federal do Paraná, 2010. http://repositorio.utfpr.edu.br/jspui/handle/1/188.

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Essa dissertação propôs como tema de estudo um panorama das energias renováveis e menos poluentes no Brasil, com enfoque para as mudanças climáticas globais, mais especificamente a emissão de gases de efeito estufa. O objetivo da pesquisa foi analisar a matriz energética brasileira no que se refere à relação entre a oferta de energia renovável, regulamentada pelas políticas e programas governamentais e a emissão de gases de efeito estufa. Esta análise foi realizada por meio de uma contextualização da matriz energética brasileira no panorama mundial, da relação entre os usos de energias com as

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Etherden, Nicholas. "Increasing the hosting capacity of distributed energy resources using storage and communication." Licentiate thesis, Luleå tekniska universitet, Energivetenskap, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-18009.

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The use of electricity from Distributed Energy Resources like wind and solar powerwill impact the performance of the electricity network and this sets a limit to theamount of such renewables that can be connected. Investment in energy storage andcommunication technologies enables more renewables by operating the networkcloser to its limits. Electricity networks using such novel techniques are referred toas “Smart Grids”. Under favourable conditions the use of these techniques is analternative to traditional network planning like replacement of transformers orconstruction of new power line.The

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12

Sankar, Ramya. "Power of networks : a study of health franchises in resource limited settings." Thesis, Massachusetts Institute of Technology, 2009. http://hdl.handle.net/1721.1/57524.

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Thesis (S.M. in Technology and Policy)--Massachusetts Institute of Technology, Engineering Systems Division, Technology and Policy Program, 2009.<br>This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.<br>Cataloged from student submitted PDF version of thesis.<br>Includes bibliographical references (p. 62-64).<br>Billions of dollars are spent to develop drugs for infectious diseases in developing countries. How will these drugs along with clinical services be delivered to the patients who currently do

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13

Huang, Kuo-Feng. "Developing a resource-market matrix for the Taiwanese ICT industry : exploring technology, market power and competencies." Thesis, Royal Holloway, University of London, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.540311.

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14

Souza, Andréa de. "Proposta de uma matriz de decisão em energia hidrelétrica com o uso do método multicritério, para formulação de políticas públicas no estado do Paraná." Universidade Tecnológica Federal do Paraná, 2016. http://repositorio.utfpr.edu.br/jspui/handle/1/1683.

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CAPES<br>O Brasil é reconhecido internacionalmente por seu potencial de fontes renováveis, destacando-se os empreendimentos hidrelétricos que correspondem a 65% da produção de eletricidade que abastece a rede do Sistema Interligado Nacional. A questão de pesquisa que orientou esta tese foi: quais são os pesos e a importância relativa das variáveis que influenciam na tomada de decisão da expansão em empreendimentos de geração hidrelétrica no Paraná? O objetivo é propor uma matriz multicritério associada à opção de fontes hídricas que considere o peso e a importância relativa das variáveis que i

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15

Da, Silva Ralston A. "Green Computing – Power Efficient Management in Data Centers Using Resource Utilization as a Proxy for Power." The Ohio State University, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=osu1259760420.

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16

Yu, Shasha. "The 'tussle' between headquarters' authoritative power and subsidiaries' resource-based power within multinational enterprises : an exploratory study of the role of advanced information technology in facilitating power recentralisation of headquarters and." Thesis, University of Manchester, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.542788.

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17

Almeida, Adriana Ripka de. "Indicadores energéticos: instrumentos de apoio ao desenvolvimento sustentável." Universidade Tecnológica Federal do Paraná, 2016. http://repositorio.utfpr.edu.br/jspui/handle/1/1606.

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Capes<br>Os indicadores energéticos são instrumentos de apoio a processos decisórios, sobre energia, e com a crescente discussão sobre desenvolvimento sustentável estes instrumentos passaram a incorporar informações socioambientais, além dos tradicionais fatores econômicos. Sendo assim, na busca pelo desenvolvimento sustentável, torna-se relevante conhecer quais são as contribuições e limitações destes instrumentos. Com este fim, o objetivo geral é analisar as contribuições e limitações dos indicadores energéticos como instrumentos de apoio ao desenvolvimento sustentável. Esta pesquisa é class

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18

Faria, Daniel Da Silva. "Análise e proposta de temas ambientais para o ensino de química no nível médio." Universidade Tecnológica Federal do Paraná, 2014. http://repositorio.utfpr.edu.br/jspui/handle/1/1272.

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Acompanha: Temas ambientais no ensino da química: tratamento de água de abastecimento, estudo dos solos e fontes de energia: material do professor<br>Esta pesquisa teve como objetivo elaborar um recurso educacional, contendo propostas de temas ambientais para o ensino da disciplina de Química do primeiro ano do Ensino Médio. A escolha dos temas ambientais se deu após análise dos três livros didáticos mais utilizados no universo das 30 maiores escolas estaduais de Curitiba e Região Metropolitana, o que levou à avaliação dos temas ambientais, segundo as seguintes categorias: temas conectados ao

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19

Negash, Teklebrhan. "Wind resource assessment for posibel wind farm development in Dekemhare and Assab, Eritrea." Thesis, Högskolan i Halmstad, Akademin för ekonomi, teknik och naturvetenskap, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-36835.

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Recently wind resource assessment studies have become an important research tool to identify the possible wind farm locations. In this thesis work technical analysis was carried out to determine the wind resource potential of two candidate sites in Eritrea with help of suitable software tools. The first site is located along the Red Sea cost which is well known for its wind resource potential, whereas the second site is located in the central highlands of Eritrea with significant wind resource potential. Detailed wind resource assessment, for one year hourly weather data including wind speed

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Naranjo, Judy Lorena Huertas. "Falante: aplicativo de auxílio à fala baseado em tecnologia Android." Universidade Tecnológica Federal do Paraná, 2014. http://repositorio.utfpr.edu.br/jspui/handle/1/1194.

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A incapacidade de expressar uma decisão ou sentimento, seja causada por um trauma físico ou psicológico, expõe o indivíduo a impactos pessoais e/ou sociais, colocando-o em situações que podem gerar problemas no desenvolvimento cognitivo ou convívio em sociedade. Visando satisfazer a esta necessidade e empregando tecnologias disponíveis atualmente, desenvolveu- se um aplicativo para tablets e celulares, que auxilia na comunicação mediada e alternativa de crianças com dificuldade em se comunicar oralmente. Método: Com ajuda de profissionais da área de terapia ocupacional, assim como um estudo da

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21

Lindroth, [formerly Tyrberg] Simon. "Buoy and Generator Interaction with Ocean Waves : Studies of a Wave Energy Conversion System." Doctoral thesis, Uppsala universitet, Elektricitetslära, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-160085.

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On March 13th, 2006, the Division of Electricity at Uppsala University deployed its first wave energy converter, L1, in the ocean southwest of Lysekil. L1 consisted of a buoy at the surface, connected through a line to a linear generator on the seabed. Since the deployment, continuous investigations of how L1 works in the waves have been conducted, and several additional wave energy converters have been deployed. This thesis is based on ten publications, which focus on different aspects of the interaction between wave, buoy, and generator. In order to evaluate different measurement systems, th

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Шевченко, Валентина Володимирівна. "Науково-технічні засади підтримки конкурентоспроможності турбогенераторів і забезпечення їхньої ефективної роботи при тривалій експлуатації". Thesis, Національний технічний університет "Харківський політехнічний інститут", 2020. http://repository.kpi.kharkov.ua/handle/KhPI-Press/48915.

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Дисертація на здобуття вченого ступеня доктора технічних наук. Спеціальність 05.09.01 – Електричні машини і апарати. – Кафедра електричних машин Національного технічного університету "Харківський політехнічний інститут", Харків, 2020. Дисертація присвячена науково-прикладної проблеми забезпечення надійної роботи сучасних ТГ на блоках ТЕС і АЕС, дослідженню особливостей роботи ТГ, які протягом тривалого часу перебувають в експлуатації, продовженню термінів їх експлуатації, підвищенню конкурентоспроможності нових ТГ на світовому ринку. Розроблені наукові концепції, що підтверджують перспективніс

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23

Fujdiak, Radek. "Analýza a optimalizace datové komunikace pro telemetrické systémy v energetice." Doctoral thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2017. http://www.nusl.cz/ntk/nusl-358408.

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Telemetry system, Optimisation, Sensoric networks, Smart Grid, Internet of Things, Sensors, Information security, Cryptography, Cryptography algorithms, Cryptosystem, Confidentiality, Integrity, Authentication, Data freshness, Non-Repudiation.

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24

Armstrong, Amanda S. "Sustainable energy management for a small rural subdivision in New Zealand : a thesis presented in fulfilment of the requirements for the degree of Master of Technology in Energy Management, Massey University, Palmerston North, New Zealand." 2009. http://hdl.handle.net/10179/1659.

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An eight-lot residential subdivision in central Wairarapa is being developed to demonstrate the principles of sustainable resource management. Local energy sources for low and high grade use, including electricity sourced from proposed grid-integrated, on-site, distributed generation will supplement imported network electricity. A unique component is an internal loop grid for lot connection that interfaces with the local network through a single connection point. A decision model was designed as a decision-support tool for the development based on the annual supply-demand electrical energy bal

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25

Pereira, Pedro Miguel de Carvalho. "Providing Flexibility in Distribution Systems by Electric Vehicles and Distributed Energy Resources in the Context of Technical Virtual Power Plants." Master's thesis, 2020. https://hdl.handle.net/10216/132830.

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O setor energético tem enfrentado ao longo dos últimos anos um aumento crescente da procura, resultante por um lado da massificação de novas tecnologias, bem como da evolução económica a nível mundial. Da mesma forma, a produção de energia é feita, cada vez mais, à base de fontes renováveis de forma a minimizar a dependência fóssil e o número de emissões poluentes. Estas modificações têm provocado alterações estruturais, quer na topologia, quer na operação dos sistemas elétricos, levando ao aparecimento de ferramentas de recursos energéticos distribuídos. Do lado da geração, tornaram-se cada v

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Pereira, Pedro Miguel de Carvalho. "Providing Flexibility in Distribution Systems by Electric Vehicles and Distributed Energy Resources in the Context of Technical Virtual Power Plants." Dissertação, 2020. https://hdl.handle.net/10216/132830.

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O setor energético tem enfrentado ao longo dos últimos anos um aumento crescente da procura, resultante por um lado da massificação de novas tecnologias, bem como da evolução económica a nível mundial. Da mesma forma, a produção de energia é feita, cada vez mais, à base de fontes renováveis de forma a minimizar a dependência fóssil e o número de emissões poluentes. Estas modificações têm provocado alterações estruturais, quer na topologia, quer na operação dos sistemas elétricos, levando ao aparecimento de ferramentas de recursos energéticos distribuídos. Do lado da geração, tornaram-se cada v

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27

Mabaso, McWilliam Chipeta. "The socio-economic efficacy of improved wood stoves upon two non-electrified, low income peri-urban areas of Pietermaritzburg, South Africa." Thesis, 2009. http://hdl.handle.net/10413/759.

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Shan, S. "Unified Control based Adaptable Converters with a Fractional Harmonic Inter Converter Signalling channel for Dynamic tracking of PCC and Managing Multiple Converters Connected in Parallel in a Microgid." Thesis, 2019. https://etd.iisc.ac.in/handle/2005/4639.

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The increasing demand of energy over the past few years as well as the growing environmental concerns have forced the mankind to look out for non conventional sources of energy such as solar, wind etc. Consequently a large number of these energy resources are integrated to the existing power grid in a distributive manner. These resources known as distributed energy resources (DERs) are interfaced to the grid through power electronic converters. More and more DERs are being integrated to the grid. The increased penetration of DERs interfaced through power electronic converters have led to

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Gonçalves, Diogo Ricardo Ribeiro. "Jornal A Bola - A gestão de um jornal desportivo : uma empresa convencional ou uma realidade diferente?" Master's thesis, 2018. http://hdl.handle.net/10400.5/20064.

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Num mundo cada vez mais tecnológico, o papel caminha para o esquecimento. A informação flui à velocidade da luz através da internet, tornando cada vez mais dispensáveis alguns meios de comunicação, como os jornais. A precaridade e falta de recursos, quer humanos, quer financeiros, são algumas das consequências imediatas do papel cada vez menos importante do jornal na sociedade. Esta realidade cria um ambiente de tensão no sector, fomentando uma linha demasiado ténue entre a vontade e a obrigação de um jornalista, podendo originar comportamentos menos éticos. Neste relatório pretende-se relatar

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Venkatramanan, D. "Modeling, Analysis and Control of Reconfigurable Battery/Grid Tied Solar Photo-Voltaic Inverter." Thesis, 2019. https://etd.iisc.ac.in/handle/2005/5119.

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Grid reliability and power outages are key concerns today, due to the ever-increasing energy demand. Traditionally, Uninterruptible Power Supplies (UPS) with battery storage have been employed to contend with grid outages. For renewable power production, Solar-Photovoltaics (SPV) based Distributed Energy Resources (DERs) have been integrated with the grid using a power electronic Grid-Tied Inverter (GTI). A typical GTI by design, engages in power conversion only when the grid is present, and ceases operation during a power outage to avoid a local unintentional island formation. Thus, sola

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