[HTML][HTML] Thermal analysis of 8.5 MVA disk-type power transformer cooled by biodegradable ester oil working in ONAN mode by using advanced EMAG–CFD–CFD …

M Stebel, K Kubiczek, GR Rodriguez, M Palacz… - International Journal of …, 2022 - Elsevier
Power transformers are the first devices used to transfer the electrical energy produced in
power plants to the grid to supply the industrial and individual receivers with electricity. The …

Thermal management of a distribution transformer: An optimization study of the cooling system using CFD and response surface methodology

L Raeisian, H Niazmand… - International Journal of …, 2019 - Elsevier
In this paper, a numerical scheme has been developed to examine the effective parameters
on thermal management of distribution transformers and subsequently to optimize their …

A Comprehensive Review of Recent Developments in Thermal Condition Monitoring of Dry-type Transformers

S Maity, B Chatterjee, S Dalai… - 2022 IEEE Calcutta …, 2022 - ieeexplore.ieee.org
At present, oil-filled transformers are experiencing installation problems under tough
environmental conditions, oil spilling during operation, pollution from the oil spillage …

Health management of dry-type transformer based on broad learning system

Q Ge, M Wang, H Jiang, Z Lu, G Yao… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
This article presents a novel health management method of the dry-type transformer to
diagnose the early unhealthy behavior and evaluate the transformer's health condition by …

Modeling method for thermal field of turbulent cooling dry-type on-board traction transformer in EMUs

S Yuan, L Zhou, X Gou, Q Zhu, S Ding… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
Adopting dry-type on-board traction transformer (OBTT) is one of the main ways to reduce
the weight of electric traction systems, and its thermal characteristics are crucial for the safe …

Hot-spot temperature forecasting of the instrument transformer using an artificial neural network

EA Juarez-Balderas, J Medina-Marin… - IEEE …, 2020 - ieeexplore.ieee.org
Cast resin medium voltage instrument transformer are highly used because of several
benefits over other type of transformers. Nevertheless, the high operating temperatures …

First-principles investigations upon Pd-decorated Janus WSSe monolayer for sensing typical gases in overload dry-type transformers

S Hu, S Liu, H Ye, H Deng, J Hu, H Cui - Computational and Theoretical …, 2023 - Elsevier
In a long-running dry-type transformer, the insulation defects, such as partial discharge and
overload, can decompose the inside insulation medium, epoxy resin, into several toxic …

Single Ni Atom-Dispersed WSe2 Monolayer for Sensing Typical Fault Gases in Dry-Type Transformers: A First-Principles Study

Y Liu, J Liu, Z Wei, T Yuan, H Cui - ACS omega, 2023 - ACS Publications
This work, using the first-principles theory, uses the Ni-decorated WSe2 (Ni-WSe2)
monolayer as a novel gas sensing material upon CO and HCHO in the dry-type transformers …

Thermal analysis of power transformers under geomagnetically induced current

M Akbari, A Rezaei-Zare - IEEE Transactions on Power …, 2023 - ieeexplore.ieee.org
Temperature distribution in the power transformers is investigated in this study under
Geomagnetically Induced Current (GIC) conditions. Thermal stress can significantly reduce …

Effect of bipolar square wave voltage with varied frequencies on electrical tree growth in epoxy resin

C Zhang, S Wang, H Fu, Z Cheng, J Li… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
An electrical tree in epoxy resin induced by a bipolar square wave voltage at varied
frequencies has been investigated. The morphology, growing characteristics, fractal …