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A Generalised Multifrequency PWM Strategy for Dual Three-Phase Voltage Source Converters

Author

Listed:
  • Jose A. Riveros

    (Facultad de Ingeniería, Universidad de Talca, Curicó 3341717, Chile
    Facultad Politécnica, Universidad Nacional de Asunción, San Lorenzo 2111, Paraguay)

  • Joel Prieto

    (Facultad de Ciencias de la Ingeniería, Universidad Paraguayo Alemana, San Lorenzo 2160, Paraguay)

  • Marco Rivera

    (Facultad de Ingeniería, Universidad de Talca, Curicó 3341717, Chile)

  • Sergio Toledo

    (Facultad de Ingeniería, Universidad de Talca, Curicó 3341717, Chile
    Facultad de Ingeniería, Universidad Nacional de Asunción, Luque 2060, Paraguay)

  • Raúl Gregor

    (Facultad de Ingeniería, Universidad Nacional de Asunción, Luque 2060, Paraguay)

Abstract

Pulse width modulation (PWM) strategies for the control of asymmetrical six-phase drives have been widely studied since the beginning of this century. Nevertheless, space vector modulation (SVM) techniques with multifrequency voltage injection for the control of all the degrees of freedom of the multiphase model is still a subject under research. This paper deals with this topic and introduces a generalised PWM method for a two-level voltage source converters. The architecture was derived by extending a three-phase modulator proposed as an alternative to the widely studied SVM. The proposal computes the duty times straightforwardly with a fast algorithm based on an analytical solution of the voltage-time modulation law. Theoretical derivations supported by experimental results demonstrate the proper synthesis of the multifrequency target voltage in the linear modulation region as well as good frequency behaviour of the presented modulation strategy.

Suggested Citation

  • Jose A. Riveros & Joel Prieto & Marco Rivera & Sergio Toledo & Raúl Gregor, 2019. "A Generalised Multifrequency PWM Strategy for Dual Three-Phase Voltage Source Converters," Energies, MDPI, vol. 12(7), pages 1-13, April.
    • Handle: RePEc:gam:jeners:v:12:y:2019:i:7:p:1398-:d:221866
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    References listed on IDEAS

    as
    1. Daniel Gutierrez-Reina & Federico Barrero & Jose Riveros & Ignacio Gonzalez-Prieto & Sergio L. Toral & Mario J. Duran, 2019. "Interest and Applicability of Meta-Heuristic Algorithms in the Electrical Parameter Identification of Multiphase Machines," Energies, MDPI, vol. 12(2), pages 1-15, January.
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    Cited by:

    1. Sergio Toledo & Edgar Maqueda & Marco Rivera & Raúl Gregor & Pat Wheeler & Carlos Romero, 2020. "Improved Predictive Control in Multi-Modular Matrix Converter for Six-Phase Generation Systems," Energies, MDPI, vol. 13(10), pages 1-13, May.

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