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Abstract(s)
Num país cada vez mais preocupado com as alterações climáticas e com o meio ambiente, torna-se relevante estudar meios alternativos para sustentar o nosso modo de vida. Para tal, é, cada vez mais, necessário apostar em energias alternativas, renováveis, como a energia fotovoltaica. Neste contexto, foi elaborada a presente dissertação em parceria com a ERI - Engenharia, com o propósito de dimensionar um sistema fotovoltaico para autoconsumo. Com este sistema pretende-se tornar a ERI mais autossuficiente e sustentável. Inicialmente realizou-se uma investigação acerca da energia fotovoltaica, abordando o princípio de funcionamento, os equipamentos e os diversos sistemas. De seguida, foi realizada uma avaliação ao local de instalação, como a sua orientação, exposição solar, e a área disponível para a implantação. Foi apresentado o consumo da empresa, abordando todos os aspetos relevantes para a sua análise. Posteriormente, dimensionaram-se dois possíveis sistemas fotovoltaicos, com e sem armazenamento, sendo estes descritos e analisados no capítulo correspondente. Para terminar, os sistemas foram avaliados tecno-economicamente, nomeadamente em termos de custo, e que impacto a sua implantação representa nos consumos energéticos da ERI.
In the past years, Portugal has shown deep concern regarding climate change and the environment. Being a country that thrives to change, it has become relevant to study alternative means to sustain our way of living, such as the introduction of renewable energies in the Portuguese energy system. In this context, the present dissertation was elaborated in a partnership with ERI - Engenharia, to size an auto-consumption photovoltaic system for its office building. With this system, ERI means to become a more auto-sufficient and sustainable company. Initially, an investigation was conducted about photovoltaic energy, about its equipment ,the different types of systems mostly used and its requirements. Afterwards,the building in which the system was to be implemented, was studied, to determine its orientation, solar exposition, available area and energy consumption. It was then possible to size two possible systems, one with energy storage and one without, which were described and analysed in the correspondent chapter. Both systems were evaluated techno economically, in terms of cost and the impact that the implementation would have in ERI’s energy consumption.
In the past years, Portugal has shown deep concern regarding climate change and the environment. Being a country that thrives to change, it has become relevant to study alternative means to sustain our way of living, such as the introduction of renewable energies in the Portuguese energy system. In this context, the present dissertation was elaborated in a partnership with ERI - Engenharia, to size an auto-consumption photovoltaic system for its office building. With this system, ERI means to become a more auto-sufficient and sustainable company. Initially, an investigation was conducted about photovoltaic energy, about its equipment ,the different types of systems mostly used and its requirements. Afterwards,the building in which the system was to be implemented, was studied, to determine its orientation, solar exposition, available area and energy consumption. It was then possible to size two possible systems, one with energy storage and one without, which were described and analysed in the correspondent chapter. Both systems were evaluated techno economically, in terms of cost and the impact that the implementation would have in ERI’s energy consumption.
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Keywords
Fotovoltaico Energias Renováveis Energia Solar Sustentabilidade Photovoltaic Renewable Energies Solar Energy Sustainability