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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 Paralelo Ressonante Meia Ponte Assimétrico com Saída em Tensão

Authors: Neilor C. Dal Pont; Delvanei G. Bandeira Jr; Telles B. Lazzarin; Ivo Barbi;

Conversor CC-CC Paralelo Ressonante Meia Ponte Assimétrico com Saída em Tensão

Abstract

Este artigo propõe uma topologia de um conversor CC-CC meia ponte, paralelo ressonante, com modulação PWM e comandos assimétricos, controle da tensão de saída pela variação da razão cíclica e saída em tensão. Além disto, o conversor é estudado com estágio de saída com dobrador de tensão. A configuração possui número reduzido de interruptores, elimina circulação de corrente média nos elementos passivos tanto no primário quanto no secundário, e pode utilizar os parâmetros intrínsecos do transformador em seu projeto, o que a torna atrativa para aplicações como fontes de alta tensão de saída. Análise das etapas de operação, característica de saída, equacionamento orientado ao projeto e a implementação de comutação sob tensão nula são abordados neste artigo. O estudo do conversor é verificado através de um protótipo de 1 kW, 400 V de entrada e 400 V de saída. O conversor apresentou rendimento elevado, acima de 97%, e comutação suave numa faixa de carga acima de 60% do valor nominal.

Related Organizations
Keywords

Controle por Razão Cíclica, Conversor Paralelo Ressonante com Modulação Assimétrica e Saída em Tensão, Electrical engineering. Electronics. Nuclear engineering, Comutação Sob Tensão Nula, Rendimento Elevado, TK1-9971

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    popularity
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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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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!
1
Average
Average
Average
gold