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Revista Eletrônica de Potência (Brazilian Journal of Power Electronics)

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Issue: Volume 26 - Number 1
Publishing Date: março 2021
Editor-in-Chief: Demercil de Souza Oliveira Júnior
Editor Affiliation: Federal University of Ceara
MODULAÇÃO POR DESLOCAMENTO DE FASE MODIFICADA APLICADA A UM CONVERSOR DE TRÊS PORTAS EM PONTE COMPLETA
André de Souza Leone, João Américo Vilela Júnior
31-41
http://dx.doi.org/10.18618/REP.2021.1.0019
Portuguese Data

Palavras Chaves: Conversor multiportas, estágio inversor em baixa frequência, Modulação Phase-Shift

Resumo
Este trabalho apresenta uma técnica de Modulação por Deslocamento de Fase Modificada (MDFM) aplicada a um conversor de três portas (CTP). A topologia do CTP é classificada como parcialmente isolada e composta por um inversor em ponte completa unfolding integrado com um conversor CC/CC elevador. A Modulação por Deslocamento de Fase (MDF) controla a corrente na saída CA, enquanto o controle do conversor CC-CC depende da MDF e de uma variável de controle denominada Dfv. A MDFM é caracterizada por ter a saída CA independente de Dfv. Para validar o funcionamento da topologia da ponte completa unfolding com a MDFM foram realizadas simulações e, posteriormente, testes experimentais. Os experimentos foram realizados em um protótipo de 200 W e a técnica de modulação proposta foi capaz de controlar o fluxo de energia entre as três portas do conversor.

English Data

Title: MODIFIED PHASE-SHIFT MODULATION APPLIED TO A FULL-BRIDGE THREE-PORT CONVERTER

Keywords: Multiport converter, Phase-Shift Modulation, unfolding stage

Abstract
This paper presents a Modified Phase-Shift Modulation (MPSM) technique applied to a three-port converter (TPC). The TPC topology is classified as partially isolated and consists of an unfolding full-bridge inverter integrated with a DC/DC boost converter. The phase-shift modulation (PSM) controls the current flow through the AC port, while the DC-DC converter control depends on the PSM and a variable denominate Dfv. MPSM is characterized by the AC port being independent of the Dfv. To validate of unfolding full-bridge inverter with MPSM was performed by a computing simulation and after that through the experimental results. The experimental tests were carried out on the prototype of 200 W and modulation technique was able to control the energy flow between the three ports of the converter.

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