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Eletrônica de Potência
Article . 2017 . Peer-reviewed
License: CC BY
Data sources: Crossref
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Eletrônica de Potência
Article . 2017
Data sources: DOAJ
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Conversor CC-CC De Alto Ganho Com Divisão De Esforços De Corrente No Estágio De Entrada

Authors: Sergio Luis Brockveld Junior; Gierri Waltrich;

Conversor CC-CC De Alto Ganho Com Divisão De Esforços De Corrente No Estágio De Entrada

Abstract

Neste artigo é proposto um conversor CC-CC de alto ganho com divisão de esforços de corrente no estágio de entrada. Este conversor foi idealizado com base na topologia Boost-Flyback, a qual tem como principal característica alto ganho de tensão, pelo fato de possuir N saídas em série. Por apresentar alta corrente na entrada do conversor, devido à baixa tensão nesse estágio de potência, é então proposta a divisão de corrente na entrada através da técnica de interleavead, isto é, utilizar N conversores em paralelo. A conexão em paralelo na entrada possibilita a divisão de correntes entre os semicondutores, diminuindo-se as perdas do conversor. Para a análise do conversor é desenvolvida a modelagem estática e dinâmica obtendo a função de transferência do conversor para posterior realização do projeto de controladores. Além disso, são apresentados o projeto, as simulações e os resultados experimentais do conversor operando em malha fechada para uma potência de 1,2 kW.

Keywords

Alto Ganho de Tensão, Interleavead, Electrical engineering. Electronics. Nuclear engineering, Modelagem, Boost-flyback, Conversor CC-CC, TK1-9971

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    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).
    7
    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.
    Average
    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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    impulse
    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!
7
Average
Average
Average
gold