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Z-Source Inverter for Photovoltaic Microgeneration

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Almeida, Felipe A. F. ; Guerra, Felipe ; Serrao Goncalves, Flavio Alessandro ; Batschauer, AL ; Filho, AJS ; Rech, C ; Brandao, DI ; Martins, DC ; Tedeschi, E ; Santos, EC ; Marafao, FP ; Antunes, FLM ; Goncalves, FAS ; Neves, FAD ; Braga, HAC ; Pinto, JOP ; Duarte, J ; Matakas, L ; Barreto, LHSC ; Heldwein, ML ; Correa, MBD ; Mattavelli, P ; Barbosa, PG ; Magalhaes, RD ; Machado, RQ ; Madawala, U
Número total de Autores: 26
Tipo de documento: Artigo Científico
Fonte: 2019 IEEE 15TH BRAZILIAN POWER ELECTRONICS CONFERENCE AND 5TH IEEE SOUTHERN POWER ELECTRONICS CONFERENCE (COBEP/SPEC); v. N/A, p. 6-pg., 2019-01-01.
Resumo

The number of grid-connected photovoltaic systems has been growing in the world as a sustainable alternative for power generation. This paper presents a study of Z-source inverter applied to a low voltage residential photovoltaic microgeneration system. The ZSI topology is evaluated through the expressions related to its equivalent electrical circuits, with the differential of considering asymmetry and accounting for the ohmic losses due to the equivalent series resistances in the inductors and capacitors of the impedance network. In addition to the mathematical model of the ZSI converter, it is also presented a design methodology for the selection of impedance network elements. Finally, computational simulations considering the Simple Boost modulation technique are developed to evaluate the performance and effectiveness of the proposed system. (AU)

Processo FAPESP: 16/08645-9 - Pesquisas interdisciplinares em redes inteligentes de energia elétrica
Beneficiário:João Bosco Ribeiro do Val
Modalidade de apoio: Auxílio à Pesquisa - Temático
Processo FAPESP: 18/24331-0 - Inversores multifuncionais empregando redes de impedância para geradores distribuídos
Beneficiário:Flávio Alessandro Serrão Gonçalves
Modalidade de apoio: Auxílio à Pesquisa - Regular