Performance assessment of cellulose paper impregnated in nanofluid for power transformer insulation application: A review

AA Adekunle, SO Oparanti, I Fofana - Energies, 2023 - mdpi.com
Insulation cellulose paper is a basic measure for a power transformer's remaining useful life,
and its advantageous low cost, electrical, and mechanical properties have made it an …

Calculating a health index for power transformers using a subsystem-based GRNN approach

M Islam, G Lee, SN Hettiwatte… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
A power transformer is one of the most crucial items of equipment in the electricity supply
chain. The reliability of this valuable asset is strongly dependent on the condition of its …

[HTML][HTML] Técnicas para el diagnóstico de transformadores de potencia: Una revisión crítica

JD Zorrilla Henao, A Céspedes Fernández… - … . Revista chilena de …, 2020 - SciELO Chile
Los sistemas de transmisión de energía eléctrica comprenden un enlace fundamental en el
sector productivo y social de un país. Uno de los principales componentes de estos …

Smart asset management system for power transformers coupled with online and offline monitoring technologies

Y Biçen, F Aras - Engineering Failure Analysis, 2023 - Elsevier
Predictive maintenance strategies have gained popularity in recent years due to the
advantages they provide over traditional maintenance strategies. Online monitoring …

Thermally accelerated aging of insulation paper for transformers with different insulating liquids

T Münster, P Werle, K Hämel, J Preusel - Energies, 2021 - mdpi.com
The article presents issues related to the aging behavior of oil-paper insulations in
transformers using different oil-and ester-based insulating fluids. Despite numerous …

Molecular simulation on the mechanical and thermal properties of carbon nanowire modified cellulose insulating paper

D Du, C Tang, Y Tang, L Yang, J Hao - Composite Structures, 2021 - Elsevier
The quality of transformer insulation is related to the safe and stability operation of the power
grid, and the life of the transformer oil-paper insulation system mainly depends on the state …

Aging assessment model of transformer insulation based on furfural indicator under different oil/pressboard ratios and oil change

J Liu, H Zhang, C Geng, X Fan… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Oil change, as an effective method, could improve the performance of liquid insulation.
However, due to the furfural loss in oil after the oil change, the aging assessment results of …

Prediction of the degree of polymerization in transformer cellulose insulation using the feedforward backpropagation artificial neural network

BA Thango, PN Bokoro - Energies, 2022 - mdpi.com
The life expectancy of power transformers is primarily determined by the integrity of the
insulating oil and cellulose paper between the conductor turns, phases and phase to earth …

Significance and detection of very low degree of polymerization of paper in transformers

M Duval, A De Pablo… - IEEE Electrical …, 2017 - ieeexplore.ieee.org
It is a general belief that mineral oil filled power transformers are designed to operate
reliably for up to 40 years. However, there are many transformers installed worldwide …

Microscopic reaction mechanism of the production of methanol during the thermal aging of cellulosic insulating paper

Y Zhang, Y Li, H Zheng, M Zhu, J Liu, T Yang, C Zhang… - Cellulose, 2020 - Springer
Cellulose is the main component of transformer insulating paper. In this paper, the pyrolysis
mechanism of cellulose is studied by means of computational chemistry. This study is aimed …