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Comparative study of the electrostatic charging tendency between synthetic ester and mineral oil

Talhi M., Fofana Issouf et Flazi S.. (2013). Comparative study of the electrostatic charging tendency between synthetic ester and mineral oil. IEEE Transactions on Dielectrics and Electrical Insulation, 20, (5), p. 1598-1606.

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URL officielle: http://dx.doi.org/doi:10.1109/TDEI.2013.6633689

Résumé

The growing demands for improved fire safety, source material sustainability, environment friendliness, and asset life extension have driven the research and development efforts of synthetic esters, less-flammable fluids. However the relatively limited number of work on these esters and their cost still limit their uses to specific applications. This contribution reports some investigations onto the Electrostatic Charging Tendency (ECT) of a commercially available ester fluid. Comparison is made with mineral oil, as this is a fluid we are familiar with. Fresh (unaged) and aged fluid samples were investigated in a spinning disk system under laboratory controlled conditions. Changes in static electrification were compared to some aging indexes (interfacial tension, turbidity, relative dissolved decay products). This contribution is not only intended to provide a fresh review in this domain of research, but also contains a substantial amount of new material with a view of closing some gaps in the present state of knowledge of oil streaming electrification. The obtained results show that static electrification currents are affected by fluid motion velocity, type of paper, moisture content and the aging byproducts. It was also found that the removal of dissolved oxygen by nitrogen blanketing contributed to the reduction in static electrification.

Type de document:Article publié dans une revue avec comité d'évaluation
Volume:20
Numéro:5
Pages:p. 1598-1606
Version évaluée par les pairs:Oui
Date:21 Octobre 2013
Sujets:Sciences naturelles et génie > Génie
Sciences naturelles et génie > Génie > Génie électrique et génie électronique
Sciences naturelles et génie > Sciences appliquées
Département, module, service et unité de recherche:Départements et modules > Département des sciences appliquées > Module d'ingénierie
Mots-clés:aging, fluids, minerals, spinning, oil insulation, power transformer insulation, vieillissement, fluides, minéraux, filage, isolation à l'huile, isolation du transformateur de puissance, power transformers, mineral oil, synthetic ester fluid, Electrostatic Charging Tendency, dissolved decay products, turbidity, spinning disk system
Déposé le:19 févr. 2021 00:58
Dernière modification:19 févr. 2021 00:58
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