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Localization of Partial Discharges in Hydrogenerators by Ozone Emission

Author

Listed:
  • Victor Dmitriev

    (Instituto de Tecnologia (ITEC), Federal University of Pará (UFPA), Rua Augusto Correa n° 01, Belem 66075-110, Brazil)

  • Rodrigo M. S. de Oliveira

    (Instituto de Tecnologia (ITEC), Federal University of Pará (UFPA), Rua Augusto Correa n° 01, Belem 66075-110, Brazil)

  • Licinius D. S. de Alcantara

    (Instituto Ciberespacial (ICIBE), Federal Rural University of Amazon (UFRA), Avenida Presidente Tancredo Neves, n∘ 2501, Belem 66077-830, Brazil)

  • Gustavo G. Girotto

    (Instituto de Tecnologia (ITEC), Federal University of Pará (UFPA), Rua Augusto Correa n° 01, Belem 66075-110, Brazil)

Abstract

We suggest a new method of localization of partial discharges in high-power electrical systems. Ozone in a hydrogenerator is produced by chemical reactions induced by partial discharges in the stator region. The transport of ozone in an operating hydrogenerator is analyzed using a computational fluid dynamics model. The main aim of this work is to evaluate the ozone distribution in the generator radiators. Ozone sources are introduced into the stator model in different positions to analyze their effect on the measured values at the sensing points of radiators. Our results demonstrate a possibility of localization of partial discharges in hydrogenerator stator bars by ozone emission.

Suggested Citation

  • Victor Dmitriev & Rodrigo M. S. de Oliveira & Licinius D. S. de Alcantara & Gustavo G. Girotto, 2024. "Localization of Partial Discharges in Hydrogenerators by Ozone Emission," Energies, MDPI, vol. 17(13), pages 1-19, June.
    • Handle: RePEc:gam:jeners:v:17:y:2024:i:13:p:3173-:d:1424039
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    References listed on IDEAS

    as
    1. Rodrigo M. S. de Oliveira & Ronaldo F. Zampolo & Licinius D. S. Alcantara & Gustavo G. Girotto & Frederico H. R. Lopes & Nathan M. Lopes & Fernando S. Brasil & Júlio A. S. Nascimento & Victor Dmitriev, 2023. "Analysis of Ozone Production Reaction Rate and Partial Discharge Power in a Dielectric-Barrier Acrylic Chamber with 60 Hz High-Voltage Electrodes: CFD and Experimental Investigations," Energies, MDPI, vol. 16(19), pages 1-19, October.
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    1. Rodrigo M. S. de Oliveira & Gustavo G. Girotto & Licinius D. S. de Alcantara & Nathan M. Lopes & Victor Dmitriev, 2023. "Ozone Transport in 311 MVA Hydrogenerator: Computational Fluid Dynamics Modelling of Three-Dimensional Electric Machine," Energies, MDPI, vol. 16(24), pages 1-35, December.

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