A review of health assessment techniques for distribution transformers in smart distribution grids
Due to the large number of distribution transformers in the distribution grid, the status of
distribution transformers plays an important role in ensuring the safe and reliable operation …
distribution transformers plays an important role in ensuring the safe and reliable operation …
HST calculation of a 10 kV oil‐immersed transformer with 3D coupled‐field method
J Ruan, Y Deng, D Huang, C Duan… - IET electric power …, 2020 - Wiley Online Library
Transformer winding hot‐spot temperature (HST) is one of the important factors affecting
transformer oil–paper insulation deterioration. This study presents a three‐dimensional …
transformer oil–paper insulation deterioration. This study presents a three‐dimensional …
[HTML][HTML] Heat transfer modeling in a transformer using magneto-CFD analysis and GWO algorithm considering dynamic thermal model
MA Taghikhani - Results in Engineering, 2024 - Elsevier
One of the most expensive power system components is transformer. The correct use and
health of the transformer increase the reliability of the power network. The transformer health …
health of the transformer increase the reliability of the power network. The transformer health …
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 …
benefits over other type of transformers. Nevertheless, the high operating temperatures …
Global temperature sensing for an operating power transformer based on Raman scattering
Y Liu, X Li, H Li, X Fan - Sensors, 2020 - mdpi.com
Traditional monitoring methods cannot obtain the overall thermal information for power
transformers. To solve this problem, a distributed fiber optic sensor (DFOS) was creatively …
transformers. To solve this problem, a distributed fiber optic sensor (DFOS) was creatively …
A temperature calculation method of oil immersed transformer considering delay effects and multiple environmental factors
R Ni, J Chen, C Yang, C Li, R Qiu, Z Liu, R Li… - Electric Power Systems …, 2022 - Elsevier
In the traditional transformer temperature calculation methods, the hot spot temperature
(HST) is obtained by calculating the oil temperature rise, winding temperature rise, and then …
(HST) is obtained by calculating the oil temperature rise, winding temperature rise, and then …
An enhanced set-membership evolving participatory learning with kernel recursive least squares applied to thermal modeling of power transformers
A factor that directly impacts the lifespan of a power transformer is the hot-spot temperature,
and its monitoring is vital to prevent faults, reduce costs, keep the safety, and provide a …
and its monitoring is vital to prevent faults, reduce costs, keep the safety, and provide a …
Dynamic thermal model for power transformers
The prediction and determination of thermal response for the metallic parts is a very crucial
step in the design of power transformers. This paper presents a comparative analysis of …
step in the design of power transformers. This paper presents a comparative analysis of …
Application study in the field of solutions for the monitoring distribution transformers of the overhead power grid
TR Chaves, MAI Martins, KA Martins, AF de Macedo… - Energies, 2021 - mdpi.com
This paper will present the development and application of overhead transformers of the
distribution grid, as well as the different technologies used for the gathering of electrical …
distribution grid, as well as the different technologies used for the gathering of electrical …
Numerical and experimental investigation of temperature distribution for oil-immersed transformer winding based on dimensionless least-squares and upwind finite …
G Liu, Z Zheng, X Ma, S Rong, W Wu, L Li - IEEE Access, 2019 - ieeexplore.ieee.org
To accurately analyze the temperature rising and locate the hot-spot of oil-immersed
transformer windings, a hybrid method based on the dimensionless least-squares finite …
transformer windings, a hybrid method based on the dimensionless least-squares finite …