Electrical discharges influence on the dielectric properties of natural insulating oil

O. Idir (1) , A. Beldjilali (1) , A. Reffas (1) , B. Lehouidj (1) , H. Moulai (1) , Abderrahmane Beroual (2)

1 USTHB - Université des Sciences et de la Technologie Houari Boumediene = University of Sciences and Technology Houari Boumediene [Alger]
2 EE - Ampère, Département Energie Electrique

The aim of this work is to characterize a natural ester insulating liquid based on measurements of the dielectric parameters versus frequency (Frequency Domain Spectroscopy). The tests were carried out on a non-inhibited olive oil having high water content and submitted to electrical discharges (from 100 to 1600 discharges). The results so obtained show a significant increase of the dielectric constant and a decrease of conductivity when the frequency is increased.

Mots clés: electrical discharges; vegetable oil

Domaines: Energie électrique

O. Idir, A. Beldjilali, A. Reffas, B. Lehouidj, H. Moulai, et al.. Electrical discharges influence on the dielectric properties of natural insulating oil. ICDL, Jun 2017, Manchester, United Kingdom. ⟨10.1109/ICDL.2017.8124715⟩. ⟨hal-01799800⟩