O presente trabalho trata-se de um artigo de revisão, que busca realizar um levantamento de práticas de eficiência energética no setor industrial brasileiro.Para isso, buscaram-se na literatura especializada publicações de até cinco anos relacionada à temática abordada, com intuito de realizar um mapeamento no cenário nacional de programas, políticas e ações de eficiência energética, principalmente no setor industrial. Como base de dados de periódicos para a busca das publicações, foram usados Web of Science, Science Direct e IEEE Xplore. Inicialmente, as buscas retornaram 369 artigos publicados; destes, apenas 351 foram possíveis ser acessados.Verificou-se também que alguns artigos se tratavam de publicações repetidas, e, após a exclusão destes, restaram 326 artigos para a análise. Destes, apenas 75 apresentaram conteúdo de estudo de caso, projeto ou levantamento bibliográfico com relação à temática pesquisada. Por fim, apenas 19 publicações foram selecionadas para análise de dados deste estudo.Entre os dados analisados, encontram-se os anos das publicações selecionadas, a porcentagem das publicações por setor, o número de publicações por regiões, os principais aspectos de execução dos trabalhos, as metodologias aplicadas e os principais temas abordados em cada um dos artigos. Assim, pôde-se concluir que alguns setores industriais já desenvolvem pesquisas que buscam melhorar os aspectos que envolvem a eficiência energética no ambiente industrial, tendo em vista que as indústrias são responsáveis por grande parte do consumo de energia no país, sendo essas iniciativas imprescindíveis para se buscar cada vez mais um consumo racional das fontes energéticas disponíveis no país.
This article shows the study about the photovoltaic solar power plant installed in Messejana, Fortaleza, Ceará, Brasil (latitude 3° 49’57”,7” S and longitude 38°29’58”,3’’ W) with an installed capacity of 19.2 kWp. It aims to punctuate the good practices for correct sizing of a grid connected photovoltaic power system, in microgeneration, and evaluate the system performance. The monitoring of the system was between March and September 2021. During this measuring period, the energy delivered to the power grid was 18197.15 kWh. the average reference, array, and final yields were 5.45 kWh/kWp, 4.33 kWh/kW, and 4.26 kWh/kW, respectively. The annual loss of the array and the system were 0.81 kWh/kW and 0.07 kWh/kWp, respectively, and the annual average of array and system efficiencies were 15.13% and 14.88%, respectively. The performance rate and capacity factor were 81.85% and 18.05%, respectively. Those numbers highlight the relatively good performance of photovoltaic systems installed in the Northeast region of Brazil.
Faced with the increase in electricity consumption and in the tariffs of the kWh consumed, as well as the insertion of renewable sources in the world energy matrix, several countries seek to encourage industrial, commercial and residential consumers to invest in distributed generation systems. In Brazil, ANEEL Resolution No. 482 of 2012 and later updated by No. 687 of 2015, aims to establish distributed mini and microgeneration from renewable sources such as photovoltaic solar energy. Distributed generation is advantageous both for local utilities, as it provides a reduction in grid loading, minimization of losses and diversification of the national energy matrix, among others, and for the consumer who, through the provided compensation system, will be able to inject the surplus energy generated into the electricity grid of the local energy concessionaire and, with that, it will earn a bonus on your electricity bill at the end of the month. Considering that Brazil is mostly located in the intertropical region, for exemple, the Northeast region, where the sun is present most of the year. Thus, this study aims to present an evaluation of the local solar resource and the performance indexes related to a photovoltaic system connected to the 3.2 kWp grid with microinverter in a low voltage residence in Fortaleza-CE.
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