Design and Evaluation of a High Quality Hybrid Current Multilevel Converter

Authors

  • Nataniel Marcos Rigo Universidade Federal de Santa Maria - UFSM , Santa Maria - Rio Grande do Sul, Brasil. Universidade Federal da Bahia - UFBA , Salvador - Bahia, Brasil. https://orcid.org/0000-0002-4612-7571
  • Dalton Vidor Universidade Federal de Santa Maria - UFSM , Santa Maria - Rio Grande do Sul, Brasil. Universidade Federal da Bahia - UFBA , Salvador - Bahia, Brasil. https://orcid.org/0000-0002-7889-621X
  • José Renes Pinheiro Universidade Federal de Santa Maria - UFSM , Santa Maria - Rio Grande do Sul, Brasil. Universidade Federal da Bahia - UFBA , Salvador - Bahia, Brasil. https://orcid.org/0000-0001-9686-8004

Keywords:

DC-AC Converter, High-quality converters, Hybrid converter, Parallel converter, Power Electronics

Abstract

This paper presents and discusses the design and evaluation a switched-linear current converter with its output voltage controlled suitable to high power applications. The proposed structure allows to build from a voltage source inverter that combines different semiconductors, operating at different frequencies, associated with a linear amplifier, in order to increase the output signal quality of its processed power without to penalize the volume of the passive filters. The system feedback control of the output voltage, eliminate ripples and its harmonics, sharing the current among each inverter leg, setting set individually current levels and its limits, defines operating ranges for each inverter, and mitigating the current which flows among each inverter branch. This proposal establishes an expandable configuration which operates even under failure in either converter and minimizes the total losses in to the linear converter. In addition, the structure allows to suppress the output filter capacitor. The system combination of the linear amplifier produces excellent output signal quality and fast dynamic responses. Examples of a projects are made performed, simulated and built to present the behavior and characteristics of the proposed hybrid converter.

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Author Biographies

Nataniel Marcos Rigo, Universidade Federal de Santa Maria - UFSM , Santa Maria - Rio Grande do Sul, Brasil. Universidade Federal da Bahia - UFBA , Salvador - Bahia, Brasil.

Discente de Doutorado no PPGEE-UFSM-RS e no PPGEE-UFBA-BA nos grupos de eletrônica de potência-GEPOC e processamento de energia elétrica, mestrado pela Universidade Federal de Santa Maria-UFSM (2020), graduação em Engenharia Elétrica pela Universidade Luterana do Brasil – ULBRA-RS (2015). Realiza pesquisas em conversores multiníveis em corrente, novas topologias de conversores híbridos chaveados-lineares. Seus interesses são estudos e projetos de conversores de alta potência visando a resposta dinâmica e qualidade do sinal.

Dalton Vidor, Universidade Federal de Santa Maria - UFSM , Santa Maria - Rio Grande do Sul, Brasil. Universidade Federal da Bahia - UFBA , Salvador - Bahia, Brasil.

Possui graduação em Engenharia Elétrica pela PUC-RS (1991), Mestrado em Engenharia Elétrica pela UFSC (1993), Especialista em Telecomunicações pela PUC-RS (1999) e Doutorado pela UFSM (2019). Atualmente é Diretor da empresa Ideia1 e professor do ensino superior na ULBRA-RS. Seus interesses são o estudo e projeto de conversores de alta potência com excelente performance na resposta dinâmica e qualidade do sinal gerado.

José Renes Pinheiro, Universidade Federal de Santa Maria - UFSM , Santa Maria - Rio Grande do Sul, Brasil. Universidade Federal da Bahia - UFBA , Salvador - Bahia, Brasil.

Bacharel em Engenharia Elétrica pela UFSM, e de Mestre e Doutor em Engenharia Elétrica pela UFSC. De 2001 a 2002, trabalhou no Center for Power Electronics Systems, Virginia Polytechnic Institute and State University (Virginia Tech), Blacksburg, como Pesquisador de Pós-Doutorado. Ele é autor de mais de 300 artigos técnicos publicados em conferências e revistas. Seus interesses atuais de pesquisa incluem conversão de alta frequência e alta potência, fontes de alimentação e projeto otimizado de conversores.

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Published

2022-09-23

How to Cite

Rigo, N. M., Vidor, D. L. R., & Pinheiro, J. R. (2022). Design and Evaluation of a High Quality Hybrid Current Multilevel Converter . IEEE Latin America Transactions, 21(1), 108–116. Retrieved from https://latamt.ieeer9.org/index.php/transactions/article/view/6867

Issue

Vol. 21 No. 1 (2023): Ordinary Issue

Section

Electric Energy