Six-Phase Bidirectional Rectifier: Modelling, Control and Experimental Results in αβ Reference Frame

Cesar A. Arbugeri; Samir A. Mussa

doi:10.18618/REP.2019.1.0032

Authors

Cesar A. Arbugeri Universidade Federal de Santa Catarina–UFSC, Departamento de Engenharia Elétrica e Eletrônica–EEL Instituto de Eletrônica de Potência – INEP, Florianópolis – SC, Brasil
Samir A. Mussa Universidade Federal de Santa Catarina–UFSC, Departamento de Engenharia Elétrica e Eletrônica–EEL Instituto de Eletrônica de Potência – INEP, Florianópolis – SC, Brasil

DOI:

https://doi.org/10.18618/REP.2019.1.0032

Keywords:

Control, PFC, Rectifier, Six-phase, Stationary Frame Reference

Abstract

Poly-phase machines have been used for many years in motor drives and more recently in wind power generation. In wind generation the most common poly-phase system is the six-phase, which consists of a dual three-phase system, shifted by 30 electrical degrees from each other and with no neutral connection. Typically, this system employs a twelve-pulse diode rectifier to convert AC to DC voltages. Better results can be achieved employing an active rectifier, since it can provide lower distortion in generator currents and regulated output voltage. However, the dynamic and stationary model of this converter are not reported in the literature, taking that into account, this paper proposes a six-phase active rectifier topology for a dual three-phase system. A stationary frame reference for six-phase system is applied to obtain the converter dynamic model in the $\alpha\beta$ coordinates and thus a control strategy is proposed in this frame reference. The proposed topology and control strategy were experimentally verified with a 12 kW prototype. The results were appropriated, providing a regulated output voltage, an input current with reduced harmonic distortion and thus high power factor.

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Author Biographies

Cesar A. Arbugeri, Universidade Federal de Santa Catarina–UFSC, Departamento de Engenharia Elétrica e Eletrônica–EEL Instituto de Eletrônica de Potência – INEP, Florianópolis – SC, Brasil

Nascido em Joaçaba, Santa Catarina, Brasil, em 1990. Recebeu o grau de Engenheiro eletricista e mestre pela Universidade Federal de Santa Catarina (UFSC), Florianópolis, Brasil, em 2014 e 2016, respectivamente. Atualmente é doutorando no programa de pos-graduação em Engenharia Elétrica da Universidade Federal de Santa Catarina (UFSC) e pesquisador no Instituto de Eletrônica de Potôncia (INEP).

Samir A. Mussa, Universidade Federal de Santa Catarina–UFSC, Departamento de Engenharia Elétrica e Eletrônica–EEL Instituto de Eletrônica de Potência – INEP, Florianópolis – SC, Brasil

Recebeu o grau de Engenheiro eletricista pela Universidade Federal de Santa Maria em 1988, recebeu grau de Mestre e de Doutor pela Universidade Federal de Santa Catarina em 1994 e 2003 respectivamente e PósDoutorado no Imperial College London, Inglaterra entre 2015 e 2016. Possui graduação em Matemática e habilitação em Física pela Unifra, Santa Maria-RS (1986). Atualmente ocupa o cargo de professor no Departamento de Engenharia Elétrica e Eletrônica (EEL) da Universidade Federal de Santa Catarina (UFSC) e pesquisador no Instituto de Eletrônica de Potência (INEP). Seus interesses de pesquisa incluem retificadores PFC, processamento de sinais digitais e controle aplicado em eletrônica de potência, sistemas baseados em DSP, FPGA e microprocessadores. Dr. Mussa é membro da Sociedade Brasileira de Eletrônica de Potência (SOBRAEP) e do IEEE Society.

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