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Abstract(s)
Nos últimos anos, a utilização de fontes renováveis para a obtenção de energia elétrica tem sido uma grande aposta parte de utilizadores de instalação de consumos, permitindo uma maior independência e descentralização do consumo da rede. A constante alteração do nível da legislação tem permitido o aumento do interesse em sistemas para autoconsumo.
Esta dissertação teve como objetivo analisar o desempenho da instalação de produção solar fotovoltaica do campus do ISEL. Com a entrada de funcionamento do sistema fotovoltaico no dia 16 de janeiro de 2020, é importante fazer uma análise do seu funcionamento para identificar quais os problemas existentes e melhorias que podem ser feitas.
Neste trabalho foram analisados dados reais de consumo e produção fotovoltaica do ISEL nos anos 2020 e 2021 recolhidos do sistema com um intervalo temporal de 15 em 15 minutos. Com os dados retirados do sistema, foram caracterizados diversos cenários de produção e consumo de energia ao longo do ano, bem como o cálculo percentual de produção e energia da rede em relação ao consumo mensal e anual para 2020 e 2021.
Simulou-se o funcionamento do sistema implementado, utilizando o software PVsyst, e efetuou-se uma análise económica para uma solução com a otimização do ângulo de inclinação dos módulos fotovoltaicos. O tratamento dos dados recolhidos do sistema e da simulação foi realizado em Microsoft Excel. Também foi possível realizar uma breve vistoria do local para verificar possíveis anomalias por parte do sistema que venham a prejudicar o normal funcionamento.
Com a análise dos resultados obtidos, verificou-se uma variação de desvio percentual na produção na ordem dos 20% a menos do sistema simulado para o sistema implementado. Para este aspeto contribuiu a falta ou ausência de limpeza dos painéis, que também se pode verificar na altura da vistoria. Com a implementação da solução para a otimização dos ângulos de inclinação dos painéis fotovoltaicos ter-se-ia um ganho adicional de produção anual de energia de 4,5%, levando 11 anos para a recuperação do investimento.
In recent years, the use of renewable sources to obtain electricity has been a big bet on the part of users of consumption installations, allowing greater independence and decentralization of consumption from the network. The constant change in legislation has allowed for an increase in interest in systems for self-consumption. This dissertation aimed to analyse the performance of the photovoltaic solar production installation on the ISEL campus. With the photovoltaic system coming into operation on January 16, 2020, it is important to realize an analysis of its operation to identify the existing problems and improvements that can be made. In this work, it was analysed real data of consumption and photovoltaic production of ISEL from the years 2020 and 2021 collected from the system with a time interval of 15 in 15 minutes. With the data taken from the system, several energy production and consumption scenarios were characterized throughout the year, as well as the calculation of the percentage of production and energy from the network in relation to monthly and annual consumption for 2020 and 2021. The functioning of the implemented system was simulated, using the PVsyst software, and an economic analysis was carried out for a solution with the optimization of the angle of inclination of the photovoltaic modules. The processing of data collected from the system and the simulation was carried out in Microsoft Excel. It was also possible to carry out a brief inspection of the site to verify possible anomalies on the part of the system that may affect normal functioning. With the analysis of the obtained results, it was verified a variation of percentage deviation in the order of 20% less production of the simulated system for the implemented system. To this aspect contributed the lack or lack of cleaning of the panels, which can also be verified at the time of the inspection. With the implementation of the solution for the optimization the angles of inclination of the photovoltaic panels, there would be an additional gain in annual energy production of 4.5%, taking 11 years to recover the investment.
In recent years, the use of renewable sources to obtain electricity has been a big bet on the part of users of consumption installations, allowing greater independence and decentralization of consumption from the network. The constant change in legislation has allowed for an increase in interest in systems for self-consumption. This dissertation aimed to analyse the performance of the photovoltaic solar production installation on the ISEL campus. With the photovoltaic system coming into operation on January 16, 2020, it is important to realize an analysis of its operation to identify the existing problems and improvements that can be made. In this work, it was analysed real data of consumption and photovoltaic production of ISEL from the years 2020 and 2021 collected from the system with a time interval of 15 in 15 minutes. With the data taken from the system, several energy production and consumption scenarios were characterized throughout the year, as well as the calculation of the percentage of production and energy from the network in relation to monthly and annual consumption for 2020 and 2021. The functioning of the implemented system was simulated, using the PVsyst software, and an economic analysis was carried out for a solution with the optimization of the angle of inclination of the photovoltaic modules. The processing of data collected from the system and the simulation was carried out in Microsoft Excel. It was also possible to carry out a brief inspection of the site to verify possible anomalies on the part of the system that may affect normal functioning. With the analysis of the obtained results, it was verified a variation of percentage deviation in the order of 20% less production of the simulated system for the implemented system. To this aspect contributed the lack or lack of cleaning of the panels, which can also be verified at the time of the inspection. With the implementation of the solution for the optimization the angles of inclination of the photovoltaic panels, there would be an additional gain in annual energy production of 4.5%, taking 11 years to recover the investment.
Description
Dissertação para obtenção do grau de Mestre em Engenharia Eletrotécnica – Ramo de Energia
Keywords
Produção solar fotovoltaica Photovoltaic solar production
Citation
JOSÉ, Filipe Miguel Sequeira Barros – Análise do desempenho de produção energética do sistema solar fotovoltaico instalado no ISEL. Lisboa: Instituto Superior de Engenharia de Lisboa, 2023. Dissertação de Mestrado
Publisher
Instituto Superior de Engenharia de Lisboa