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A New Fast Peak Current Controller for Transient Voltage Faults for Power Converters

Author

Listed:
  • Jesús Muñoz-Cruzado-Alba

    (R & D Department, GPTech, Av. Camas N26, Bollullos de la Mitacion 41703, Spain)

  • Javier Villegas-Núñez

    (R & D Department, GPTech, Av. Camas N26, Bollullos de la Mitacion 41703, Spain
    These authors contributed equally to this work.)

  • José Alberto Vite-Frías

    (R & D Department, GPTech, Av. Camas N26, Bollullos de la Mitacion 41703, Spain
    These authors contributed equally to this work.)

  • Juan Manuel Carrasco Solís

    (Electronics Engineering Department, Seville University, Av. de los Descubrimientos S/N, Seville 41092, Spain
    These authors contributed equally to this work.)

Abstract

Power converters are the basic unit for the transient voltage fault ride through capability for most renewable distributed generators (DGs). When a transient fault happens, the grid voltage will drop suddenly and probably will also suffer a phase-jump event as well. State-of-the-art voltage fault control techniques regulate the current injected during the grid fault. However, the beginning of the fault could be too fast for the inner current control loops of the inverter, and transient over-current would be expected. In order to avoid the excessive peak current of the methods presented in the literature, a new fast peak current control (FPCC) technique is proposed. Controlling the peak current magnitude avoids undesirable disconnection of the distributed generator in a fault state and improves the life expectancy of the converter. Experimental and simulation tests with high power converters provide the detailed behaviour of the method with excellent results.

Suggested Citation

  • Jesús Muñoz-Cruzado-Alba & Javier Villegas-Núñez & José Alberto Vite-Frías & Juan Manuel Carrasco Solís, 2015. "A New Fast Peak Current Controller for Transient Voltage Faults for Power Converters," Energies, MDPI, vol. 9(1), pages 1-18, December.
    • Handle: RePEc:gam:jeners:v:9:y:2015:i:1:p:1-:d:61041
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