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Alternative Generation of the Output Voltage Waveform in an Asymmetric Transformer-Based Cascaded Multilevel Inverter under Fault Conditions

Author

Listed:
  • Mauricio A. Inostroza-Osses

    (Facultad de Ingeniería y Ciencias, Universidad de la Frontera, Avenida Francisco Salazar 01145, Temuco 4780000, Chile)

  • Oswaldo López-Santos

    (Departament d’Enginyeria Electrònica Elèctrica i Automàtica (ETSE), Universitat Rovira i Virgili, 43007 Tarragona, Spain)

  • Yeison A. Aldana-Rodríguez

    (Semillero Lún, Grupo D+Tec, Facultad de ingeniería, Universidad de Ibagué, Ibagué 730001, Colombia)

  • Manuel G. Forero

    (Semillero Lún, Grupo D+Tec, Facultad de ingeniería, Universidad de Ibagué, Ibagué 730001, Colombia)

Abstract

This paper introduces a method for the reconfiguration of a transformer-based cascaded multilevel inverter (CT-MLI), which allows the use of alternative switching patterns when individual inverter stages cease to operate as a result of a failure in the circuit switches. Different possibilities of reconfiguration of the inverter stages to provide the output voltage signal are analyzed and optimal switching patterns are determined. The results obtained from the simulation in the PSIM software are provided to validate the proposal.

Suggested Citation

  • Mauricio A. Inostroza-Osses & Oswaldo López-Santos & Yeison A. Aldana-Rodríguez & Manuel G. Forero, 2022. "Alternative Generation of the Output Voltage Waveform in an Asymmetric Transformer-Based Cascaded Multilevel Inverter under Fault Conditions," Mathematics, MDPI, vol. 10(19), pages 1-14, September.
    • Handle: RePEc:gam:jmathe:v:10:y:2022:i:19:p:3463-:d:922694
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