Localization of Partial Discharges in Hydrogenerators by Ozone Emission

Victor Dmitriev, Rodrigo M. S. de Oliveira (), Licinius D. S. de Alcantara and Gustavo G. Girotto
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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

Energies, 2024, vol. 17, issue 13, 1-19

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.

Keywords: hydrogenerator; ozone distribution; sensors; computational fluid dynamics; localization of partial discharges (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2024
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