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 synthetic ester liquids for transformer applications

P Rozga, A Beroual, P Przybylek, M Jaroszewski… - Energies, 2020 - mdpi.com
Synthetic esters have become more and more popular in last few decades, explaining the
increasing number of units filled with this liquid year by year. They have been investigated …

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 …

Restoration of critical dielectric properties of waste/aged transformer oil using biodegradable biopolymer-activated clay composite for power and distribution …

S Duraisamy, S Murugesan, M Palanichamy… - Biomass Conversion …, 2022 - Springer
The defiling characteristics of petroleum-based mineral oil (MO) release toxic pollutants and
have carcinogenic effects on life on earth. Discontinuing MO applications in transformers …

Dielectric strength and stability of natural ester oil based TiO2 nanofluids

KN Koutras, IA Naxakis, AE Antonelou… - Journal of Molecular …, 2020 - Elsevier
The synthesis of insulating nanofluids by integration of nanoparticles in insulating oils has
been employed over the last two decades by many researchers in an effort to improve both …

Nanoparticles for next-generation transformer insulating fluids: A review

M Karatas, Y Bicen - Renewable and Sustainable Energy Reviews, 2022 - Elsevier
Transformers are important components in electrical networks and dielectric fluids play a
decisive role in the quality of the insulation systems in these transformers. This review …

AC breakdown voltage and partial discharge activity in synthetic ester-based fullerene and graphene nanofluids

H Khelifa, E Vagnon, A Beroual - IEEE Access, 2022 - ieeexplore.ieee.org
This paper deals with the study of the AC breakdown voltage (BDV) and partial discharges
(PDs) activity of synthetic ester-based nanofluids (NF) with two kinds of carbonic …

Review of research progress on the electrical properties and modification of mineral insulating oils used in power transformers

X Wang, C Tang, B Huang, J Hao, G Chen - Energies, 2018 - mdpi.com
In November 2017, the first±1100 kV high-voltage direct-current power transformer in the
world, which was made by Siemens in Nurnberg, passed its type test. Meanwhile, in early …

AC dielectric strength of synthetic ester-based Fe3O4, Al2O3 and SiO2 nanofluids — conformity with normal and weibull distributions

U Khaled, A Beroual - IEEE Transactions on Dielectrics and …, 2019 - ieeexplore.ieee.org
This paper is aimed at studying the influence of conductive (Fe 3 O 4) and insulating (Al 2 O
3 and SiO 2) nanoparticles at various concentrations on the AC dielectric strength of MIDEL …

Dielectric and Thermal Response of TiO2 and SiC Natural Ester Based Nanofluids for Use in Power Transformers

KN Koutras, GD Peppas, TT Fetsis… - IEEE …, 2022 - ieeexplore.ieee.org
The improvement of dielectric and thermal properties of insulating oils used in High Voltage
(HV) equipment has been a key part of research over the last three decades. In this study, a …