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Previous issue date: 2016-08-29 / This work presents a study and a development of a current source microinverter,
based on the ?uk converter operating in discontinuous conduction mode, for
microgeneration purposes based on photovoltaic systems. In this sense, we carried
out a steady-state analysis of the ?uk converter, in order to establish the design
criteria for the ?uk microinverter. All peripheral systems required for the
microinverter operation have also been developed, and are included in this study,
namely: the MPPT, PLL, and islanding detection algorithms. All control systems, i.e.,
the MPPT, PLL, and anti-islanding detection algorithms, were implemented in the
DS1104 R&D controller board, from dSPACE?, using MATLAB/Simulink? to
program it. / Este trabalho apresenta o estudo e o desenvolvimento de um microinversor de
corrente, baseado no conversor ?uk, operando no modo de condu??o descont?nua,
para a aplica??o em microgera??o fotovoltaica. Inicialmente, s?o desenvolvidos
estudos de car?ter qualitativo e quantitativo do comportamento do microinversor
de corrente baseado no conversor ?uk, os quais culminaram no desenvolvimento de
crit?rios para o dimensionamento do conversor ?uk, que desempenha um papel
central na estrutura do microinversor proposto. Sistemas perif?ricos necess?rios
para a opera??o do microinversor, assim como aqueles exigidos pelas
concession?rias de energia el?trica para a aplica??o em sistemas de microgera??o
s?o estudados e desenvolvidos nessa disserta??o. Para tanto, a implementa??o de
todos os sistemas de controle, ou seja, os algoritmos de MPPT, de sincronismo, e de
detec??o da opera??o ilhada, foram realizados em ambiente MATLAB/Simulink?
associada ? uma placa de desenvolvimento do fabricante alem?o dSPACE?, modelo
DS1104, a qual permite o controle em tempo real dos transistores do microinversor.
| Identifer | oai:union.ndltd.org:IBICT/oai:tede2.pucrs.br:tede/7819 |
| Date | 29 August 2016 |
| Creators | Cabral, Henrique Gabriel |
| Contributors | Reis, Fernando Soares dos |
| Publisher | Pontif?cia Universidade Cat?lica do Rio Grande do Sul, Programa de P?s-Gradua??o em Engenharia El?trica, PUCRS, Brasil, Escola Polit?cnica |
| Source Sets | IBICT Brazilian ETDs |
| Language | Portuguese |
| Detected Language | Portuguese |
| Type | info:eu-repo/semantics/publishedVersion, info:eu-repo/semantics/masterThesis |
| Format | application/pdf |
| Source | reponame:Biblioteca Digital de Teses e Dissertações da PUC_RS, instname:Pontifícia Universidade Católica do Rio Grande do Sul, instacron:PUC_RS |
| Rights | info:eu-repo/semantics/openAccess |
| Relation | 207662918905964549, 500, 500, 4518971056484826825 |
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