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 …

Mixed insulating liquids with mineral oil for high-voltage transformer applications: A review

MN Lyutikova, SM Korobeynikov… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Due to the growing interest in environmental concerns, synthetic and natural esters have
become the key focus of the picture in the last two decades as insulating fluids for high …

50 years in the development of insulating liquids

I Fofana - IEEE Electrical Insulation Magazine, 2013 - ieeexplore.ieee.org
The role of electrical insulation is critical for the proper operation of electrical equipment.
Power equipment cannot operate without energy losses, which lead to rises in temperature …

Challenge of mixed insulating liquids for use in high-voltage transformers. 1. Investigation of mixed liquids

I Fofana, V Wasserberg, H Borsi… - IEEE Electrical …, 2002 - ieeexplore.ieee.org
The aim of this work is to present results of investigations into mixtures of two insulating
liquids, recently proposed as alternatives to mineral oil. The mixtures are a combination of …

The impacts of nanotechnology on the improvement of liquid insulation of transformers: Emerging trends and challenges

M Rafiq, M Shafique, A Azam, M Ateeq - Journal of Molecular Liquids, 2020 - Elsevier
The rise in transmission voltages levels, the demand for insulating reliability of the
transformer is getting more and more critical. The mineral oil (MO) together with paper is the …

State-of-art in nano-based dielectric oil: A review

F Ahmad, AA Khan, Q Khan, MR Hussain - IEEE Access, 2019 - ieeexplore.ieee.org
Dielectric fluids or commonly oils serve as the protection of any power utility components,
which make it selection crucial for utility. Due to its significance, consistent research has …

Comparative study of AC and DC breakdown voltages in Jatropha methyl ester oil, mineral oil, and their mixtures

A Beroual, HBH Sitorus, R Setiabudy… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
This paper is aimed at the comparison of breakdown voltage (BDV) of oil mixtures consisting
of Jatropha curcas methyl ester oil (JMEO) extracted from the fruit seeds of jatropha curcas …

Fire safety and electrical properties of mixtures of synthetic ester/mineral oil and synthetic ester/natural ester

G Dombek, J Gielniak - IEEE Transactions on Dielectrics and …, 2018 - ieeexplore.ieee.org
The paper presents research results of different properties of mixtures of the synthetic ester
with mineral oil and synthetic ester with natural ester. For different concentrations of both …

Analysis of AC breakdown strength of vegetable oils and effect of mineral oil

AK Das - Electric Power Systems Research, 2023 - Elsevier
The effect of residual mineral oil on the AC breakdown strength of vegetable oil is widely
studied to understand vegetable oil's reliability and dielectric integrity in retro-fitting a …

Water in oil-filled, high-voltage equipment, Part I: States, solubility, and equilibrium in insulating materials

VG Arakelian, I Fofana - IEEE Electrical Insulation Magazine, 2007 - ieeexplore.ieee.org
The major part of the water in paper insulation influences its electric characteristics,
chemical stability, and mechanical durability. The analysis of moisture in oil, with the …