Natural esters for green transformers: challenges and keys for improved serviceability

SO Oparanti, UM Rao, I Fofana - Energies, 2022 - mdpi.com
The service of mineral insulating oils for power transformer insulation and cooling aspects
cannot be disavowed. However, the continued use of mineral oils is questionable due to …

[HTML][HTML] A state-of-the-art review on green nanofluids for transformer insulation

SO Oparanti, I Fofana, R Jafari, R Zarrougui - Journal of Molecular Liquids, 2024 - Elsevier
The utilization of nanotechnology to enhance the properties of liquids has been underway
for several decades. The systematic incorporation of nanoparticles into the base liquids has …

Dielectric response of vegetable oil-based nanofluid and impregnated Kraft paper for high voltage transformer insulation

AA Adekunle, SO Oparanti, A Hamzat… - Journal of Molecular …, 2023 - Elsevier
Methyl ester from vegetable oil has been considered a potential replacement for mineral oil
used for power transformer cooling and insulating applications. However, some pertinent …

An experimental investigation on composite methyl ester as a solution to environmental threat caused by mineral oil in transformer insulation

SO Oparanti, AA Adekunle, VE Oteikwu… - Biomass Conversion …, 2024 - Springer
The quest for green alternative insulating oil in high-voltage equipment has been the desire
of researchers for over decades. Vegetable oil has been considered as alternative insulating …

Experimental characterisation of positive cree** discharges propagating along an insulating surface immersed in vegetable and mineral oil

JL Jiosseu, GM Mengounou, AM Imano - Journal of Electrostatics, 2022 - Elsevier
This paper deals with the experimental investigation of cree** discharges propagating
along a solid insulating surface immersed in mineral oil (MO) and palm kernel oil methyl …

Physicochemical and Dielectric Study on Nigerian Thevetia Peruviana as a Potential Green Alternative Fluid for Transformer Cooling/Insulation

SO Oparanti, IK Salaudeen, AA Adekunle… - Waste and Biomass …, 2023 - Springer
Vegetable oil has shown a promising behaviour in replacing mineral insulating oil for
transformer insulation due to the environmental unfriendliness of mineral oil. However …

New insight to the mechanical reliability of porous and nonporous hydroxyapatite

JK Abifarin, OA Owolabi - Journal of the Australian Ceramic Society, 2023 - Springer
Failure analysis (mechanical reliability) and modeling have been a missing hydroxyapatite
research. Two-parameter Weibull distribution assisted by modeling was analyzed on HAp …

Polymeric composites and hybrids for high-voltage insulators

S Gilak Hakimabadi, M Ehsani… - … -Plastics Technology and …, 2024 - Taylor & Francis
In the past few years, considerable focus has been directed toward the employment of
appropriate coatings with the intention of mitigating imperfections brought about by various …

Thermal ageing study on palm oil methyl ester-impregnated thermally upgraded kraft paper insulation for reliable application in HVDC converter transformers

S Thavasilingam, NP Venugopal, M Paramasivan… - Electrical …, 2024 - Springer
Exploration of sustainable insulation solutions for HVDC converter transformers has
prompted the investigation of palm methyl ester (PME) as a viable alternative to traditional …

Statistical Analysis of Flashover Voltage of Solid Insulators Immersed in Insulating Oils and Quantification of the Ionization Rate Under LI Stress

JL Jiosseu, GM Mengounou… - … on Plasma Science, 2024 - ieeexplore.ieee.org
This article deals with an experimental investigation of the flashover voltage occurring at the
end of the propagation of cree** discharges on some solid insulators immersed in mineral …