A critical review of plant-based insulating fluids for transformer: 30-year development

Z Shen, F Wang, Z Wang, J Li - Renewable and Sustainable Energy …, 2021 - Elsevier
As a non-renewable resource, mineral oil has been re-evaluated for its value and suitability
as the coolant and insulator in transformers because of its environmental unfriendliness, fire …

A review on physicochemical and electrical performance of vegetable oil-based nanofluids for high voltage equipment

AA Adekunle, SO Oparanti - Electric Power Systems Research, 2023 - Elsevier
Fault in high voltage equipment has a powerful monetary repercussion to both power utilities
and users, the sustainability of this expensive asset is vulnerable to the state, quality and …

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 …

Breakdown performance and partial discharge development in transformer oil-based metal carbide nanofluids

KN Koutras, SN Tegopoulos, VP Charalampakos… - Nanomaterials, 2022 - mdpi.com
In this work, the influence of semi-conductive SiC nanoparticles on the AC breakdown
voltage and partial discharge development in natural ester oil FR3 is examined. Primarily …

[HTML][HTML] Nanofluid transformer oil for cooling and insulating applications: A brief review

M Hussain, FA Mir, MA Ansari - Applied Surface Science Advances, 2022 - Elsevier
High voltage alternating current and high voltage direct current has inspired different authors
to concentrate on insulation system, that withstand the rising high voltage level; various …

Dielectric fluids for power transformers with special emphasis on biodegradable nanofluids

M Šárpataky, J Kurimský, M Rajňák - Nanomaterials, 2021 - mdpi.com
This review is focused on the research of dielectric fluids, especially commonly used power
transformer oils enhanced by nanoparticles, ie, nanofluids. There are differences between …

[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 …

Investigation of the effect of sonication time on dispersion stability, dielectric properties, and heat transfer of graphene based green nanofluids

RA Farade, NIA Wahab, DEA Mansour, NB Azis… - IEEE …, 2021 - ieeexplore.ieee.org
Natural ester oils are the current target of many industries and electrical utilities as
electrically insulating fluids to replace the conventional mineral oils. However, as previously …

Investigation of Survival/Hazard Rate of Natural Ester Treated with Al2O3 Nanoparticle for Power Transformer Liquid Dielectric

RA Raj, R Samikannu, A Yahya, M Mosalaosi - Energies, 2021 - mdpi.com
Increasing usage of petroleum-based insulating oils in electrical apparatus has led to
increase in pollution and, at the same time, the oils adversely affect the life of electrical …

The effect of interfacial zone due to nanoparticle–surfactant interaction on dielectric properties of vegetable oil based nanofluids

RA Farade, NIA Wahab, DEA Mansour, NB Azis… - IEEE …, 2021 - ieeexplore.ieee.org
Nanoparticles are generally anti-lipophilic and have a tendency to aggregate when they are
embedded in nanofluids. Thus, surfactants have a major role in achieving long term …