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Eletrônica de Potência
Article . 2020 . Peer-reviewed
License: CC BY
Data sources: Crossref
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Eletrônica de Potência
Article . 2020
Data sources: DOAJ
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Estratégia de Controle para Conversor Boost Fotovoltaico Operando nos Modos MPPT e LPPT

Authors: Cássia C. C. dos Santos; Jean P. da Costa; Carlos M. O. Stein; Emerson G. Carati; Rafael Cardoso; Zeno L. I. Nadal;

Estratégia de Controle para Conversor Boost Fotovoltaico Operando nos Modos MPPT e LPPT

Abstract

Este artigo propõe uma estratégia de controle composta por um algoritmo de rastreamento do ponto de máxima potência (MPPT) e um algoritmo de rastreamento do ponto de potência limitado (LPPT) para conversores boost aplicados a um sistema fotovoltaico. Primeiramente, uma técnica MPPT tradicional é implementada e a partir disso, a técnica de LPPT proposta nesse trabalho é desenvolvida sem adição de novos sensores. O LPPT desenvolvido pode ser empregado tanto em sistemas fotovoltaicos que possuem apenas um conversor boost no estágio CC como também em sistemas com múltiplos conversores compartilhando o mesmo barramento CC do lado do inversor. Além disso, a estratégia proposta pode contribuir com o controle do inversor fotovoltaico quando o sistema necessita limitar a potência ativa gerada. É demonstrado que uma rápida resposta dinâmica de transição entre os modos de operação pode ser obtida com a estrutura proposta. Resultados experimentais em um arranjo de 3 kW são apresentados para dar suporte a teoria desenvolvida e ilustrar o bom desempenho do sistema.

Keywords

Geração Fotovoltaica, Rastreamento do Ponto de Máxima Potência (MPPT), Rastreamento do Ponto de Potência Limitada (LPPT), Electrical engineering. Electronics. Nuclear engineering, Perturbação e Observação (P&O), TK1-9971

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    popularity
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    influence
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
2
Average
Average
Average
gold