[HTML][HTML] Interpretation of frequency response analysis for fault detection in power transformers

SM Al-Ameri, MS Kamarudin, MFM Yousof, AA Salem… - Applied Sciences, 2021 - mdpi.com
Frequency response analysis (FRA) is a method of monitoring a power transformer's
mechanical integrity. However, identifying the type of fault and its severity by comparing …

Recent developments in the modelling of transformer windings

KM Gawrylczyk, S Banaszak - Energies, 2021 - mdpi.com
The paper provides a review of the modelling techniques used to simulate the frequency
response of transformer windings. The aim of the research and development of modelling …

Achieving the exact equivalent circuit of a large-scale transformer winding using an improved detailed model for partial discharge study

PR Baravati, M Moazzami, SMH Hosseini… - International Journal of …, 2022 - Elsevier
Investigating partial discharge (PD) is a critical issue in monitoring the condition of power
transformers. For analyzing the transient state behavior of transformer winding, the …

Application of frequency response analysis technique to detect transformer tap changer faults

SM Al-Ameri, A Almutairi, MS Kamarudin… - Applied Sciences, 2021 - mdpi.com
Power transformers are located in the electrical transmission and distribution networks
where different voltage levels are needed. The turn ratio of the low voltage and high voltage …

An experimental study of the sweep frequency impedance method on the winding deformation of an onsite power transformer

S Wang, S Wang, Y Cui, J Long, F Ren, S Ji, S Wang - Energies, 2020 - mdpi.com
Power transformers are one of the most important devices in electrical networks. The safety
operation of the transformers directly affects the reliability of the power system. To diagnose …

Evaluation Method for Winding Performance of Distribution Transformer

C Suo, Y Ren, W Zhang, Y Li, Y Wang, Y Ke - Energies, 2021 - mdpi.com
In order to ensure the safe and stable operation of a power system, the performance
evaluation of transformer windings after a short-circuit test can predict whether the windings …

Understanding Power Transformer Frequency Response Based on Model Simulation

SM Al-Ameri, AA Alawady… - … on Emerging Smart …, 2022 - ieeexplore.ieee.org
Frequency Response Analysis (FRA) has been approved and there is an increased interest
in performing electric power transformers tests. The drawback of using the FRA method is …

Development an algorithm of magnitude changes of frequency response analysis for transformer

MAM Kamel, NM Nor, MA Talib - AIP Conference Proceedings, 2023 - pubs.aip.org
In the event of failure or a short circuit occurs, the transformer will experience mechanical
stress, electrical stress, and thermal-induced. Frequency Response Analysis (FRA) is one of …

[PDF][PDF] Modelowanie części aktywnej transformatora energetycznego na potrzeby interpretacji wyników FRA.

K TRELA - Przegląd Elektrotechniczny, 2024 - pe.org.pl
W artykule przedstawiony został sposób modelowania części aktywnej transformatora
energetycznego, który może zostać wykorzystany do poprawy efektywności interpretacji …

Modele obwodowe uzwojeń transformatorów w przypadku występowania w nich połączeń szeregowo-równoległych.

KM GAWRYLCZYK, K Trela - Przegląd Elektrotechniczny, 2024 - search.ebscohost.com
W artykule przedstawiono modele obwodowe używane do modelowania odpowiedzi
częstotliwościowej uzwojeń transformatora w przypadku występowania w nich połączeń …