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Canola oil: A renewable and sustainable green dielectric liquid for transformer insulation

Oparanti Samson Okikiola, Fofana Issouf, Jafari Reza, Zarrougui Ramzi et Abdelmalik A. A.. (2024). Canola oil: A renewable and sustainable green dielectric liquid for transformer insulation. Industrial Crops and Products, 215, e118674.

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URL officielle: https://doi.org/10.1016/j.indcrop.2024.118674

Résumé

In the last decades, vegetable-based insulating liquids, derived from plant seeds, have emerged as an environmentally friendly alternative to traditional petroleum-based mineral insulating oils. These vegetable oils exhibit excellent characteristics for high-voltage insulation, including remarkable high-temperature stability, as evident in their flash and fire points. Furthermore, their high water absorption capacity may serve to safeguard the integrity of paper insulation within transformers. However, their practical application is limited to sealed transformers due to their susceptibility to oxidation. Additionally, using these oils in regions with low temperatures presents challenges because of their poor flow properties under cold conditions. Canola oil, derived from canola seeds, offers a balanced set of properties, particularly concerning pour point and oxidation stability, attributable to its unique fatty acid composition. This study reviews deeply into the potential, prospects, and possible enhancements that can be applied to canola oil. Significant tutorial elements as well as some analyses are included. The aim is to reveal the deep attributes of canola oil as a suitable insulating liquid for both free-breathing and hermetically sealed transformers, while also ensuring it serves as an efficient cooling medium for transformers operating in extremely cold environments. Of the many properties examined, this review pays particular attention to oxidation stability and the flow characteristics of the oil.

Type de document:Article publié dans une revue avec comité d'évaluation
ISSN:09266690
Volume:215
Pages:e118674
Version évaluée par les pairs:Oui
Date:Septembre 2024
Nombre de pages:1
Identifiant unique:10.1016/j.indcrop.2024.118674
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
Unités de recherche > Centre international de recherche sur le givrage atmosphérique et l’ingénierie des réseaux électriques (CENGIVRE) > Vieillissement de l’appareillage installé sur les lignes à haute tension (ViAHT)
Mots-clés:transformers, vegetable insulating liquids, canola oil, global warming potential, transformateurs, liquides isolants végétaux, huile de canola, potentiel de réchauffement climatique
Déposé le:27 mai 2024 12:40
Dernière modification:27 mai 2024 12:40
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