[HTML][HTML] Analysis of permanent magnet motors in high frequency—a review

Y Moreno, G Almandoz, A Egea, B Arribas… - Applied Sciences, 2021 - mdpi.com
Electric drives consume a great amount of the world's energy, and it will keep increasing due
to the electromobility trend. Thus, the efficiency of electric drives must be improved to reach …

Estimating power transformer high frequency model parameters using frequency response analysis

A Abu-Siada, MI Mosaad, D Kim… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
Frequency response analysis (FRA) has become a widely accepted technique by worldwide
utilities to detect winding and core deformations within power transformers. The main …

Advancement in transformer fault diagnosis technology

H Cao, C Zhou, Y Meng, J Shen, X **e - Frontiers in Energy Research, 2024 - frontiersin.org
The transformer plays a critical role in maintaining the stability and smooth operation of the
entire power system, particularly in power transmission and distribution. The paper begins …

Mathematical model for the management of the wave processes in three-winding transformers with consideration of the main magnetic flux in mining industry

MS Seheda, OS Beshta, PF Gogolyuk… - … of Sustainable Mining, 2024 - yadda.icm.edu.pl
The aim of the work is to study the wave processes in three-winding power transformers
caused by impulse overvoltage, to create an improved mathematical model for reproducing …

Winding deformation classification in a power transformer based on the time-frequency image of frequency response analysis using Hilbert-Huang transform and …

A Shamlou, MR Feyzi, V Behjat - International Journal of Electrical Power & …, 2021 - Elsevier
This study presents a novel fully-automated technique to interpret a frequency response
analysis (FRA) of a power transformer, using a combined method based on digital image …

[HTML][HTML] Minor fault diagnosis of transformer winding using polar plot based on frequency response analysis

Z Li, Y He, Z **ng, M Chen - International Journal of Electrical Power & …, 2023 - Elsevier
Power transformer is a significant transmission and distribution equipment. Irreversible
minor mechanical failures frequently occur in the transformer winding, which is difficult to …

Diagnosis method of transformer winding mechanical deformation fault based on sliding correlation of FRA and series transfer learning

X Chen, Z Zhao, F Guo, S Tan, J Wang - Electric Power Systems Research, 2024 - Elsevier
Frequency response analysis (FRA) is a common method for diagnosing transformer
winding faults. There are many ways to interpret FRA, however, extracting fault features from …

[HTML][HTML] Machine learning for power transformer SFRA based fault detection

M Bjelić, B Brković, M Žarković, T Miljković - International Journal of …, 2024 - Elsevier
This paper presents machine learning methods for health assessment of power transformer
based on sweep frequency response analysis. The paper presents an overview of …

Fault detection in a power transformer based on reverberation time

M Bjelić, B Brković, M Žarković, T Miljković - International Journal of …, 2022 - Elsevier
The power transformer is one of the vital elements of electric power systems. The reliability
of power transformer operation is directly related to its condition. Detection of winding …