2018-02-202018-02-202017-08-10RODRIGUES, Marinaldo de Jesus dos Santos. Avaliação teórica e experimental de geradores fotovoltaicos sob diferentes condições de sombreamento. Orientador: Wilson Negrão Macedo. 2017. 128 f. Dissertação (Mestrado em Engenharia Elétrica) - Instituto de Tecnologia, Universidade Federal do Pará, Belém, 2017. Disponível em: <http://repositorio.ufpa.br/jspui/handle/2011/9464>. Acesso em:.https://repositorio.ufpa.br/handle/2011/9464This work evaluates the impact of shadowing in four experimental systems installed in the test area of the Group of Studies and Development of Energy Alternatives – GEDAE. These systems are subdivided in: an experimental system that evaluates the shading impact on module level and three systems that evaluate this impact on grid-connected PV system (GCPV) level. System’s operation was evaluated in terms of its natural conditions and under forced shadowing, called simulated shadowing in this work. The obtained results were applied to models used under shadowing conditions and also to calculate performance metrics used in the evaluation of PV systems. The results obtained in this work complement studies traditionally applied to shadowing impact assessment, but such studies are limited to the evaluation of I-V and P-V curves under specific conditions and, in most cases, they apply only to PV module level. Furthermore, this work presents some specific results associated to the shadowing of a GCPV composed by dc-dc converters in a module level.Acesso AbertoSistemas de energia fotovoltaica - TestesAnálise de sombreamentoImpacto de sombreamentoFontes renováveis de energiaSistema Fotovoltaico Conectado à Rede (SFCR)DissertaçãoCNPQ::ENGENHARIAS::ENGENHARIA ELETRICAFONTES RENOVÁVEISSISTEMAS DE ENERGIA ELÉTRICA