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Eletrônica de Potência
Article . 2018 . Peer-reviewed
License: CC BY
Data sources: Crossref
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Eletrônica de Potência
Article . 2018
Data sources: DOAJ
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Conversor Duplo-Boost-Flyback de Alto Ganho

Authors: Vanderlei Cardoso; Telles B. Lazzarin; Gierri Waltrich;

Conversor Duplo-Boost-Flyback de Alto Ganho

Abstract

Um conversor CC-CC não isolado de alto ganho é proposto nesse artigo, o qual é denominado Duplo-Boost-Flyback de Alto Ganho pelo fato de combinar dois conversores Boost-Flyback convencionais, conectados em paralelo na entrada e com saída flutuante. Essa nova topologia aumenta o ganho estático do conversor e reduz a ondulação da corrente de entrada. A topologia proposta é ideal para aplicações com fontes de alimentação com baixa tensão que precisam elevar consideravelmente a tensão para ser utilizada, como por exemplo, arranjos fotovoltaicos, células combustíveis e baterias. Este artigo apresenta princípio de operação, ganho estático, estratégia de controle e exemplo de projeto. A verificação experimental foi realizada a partir de um protótipo de 1 kW com tensão de entrada de 48 V e saída de 800 V, alcançando o ganho estático de 16,7. A eficiência máxima apresentada foi de 94,6% com 70% da carga e 93,9% com carga nominal.

Keywords

Electrical engineering. Electronics. Nuclear engineering, TK1-9971

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    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.
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    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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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!
5
Average
Average
Average
gold