Fault detection and diagnosis in power transformers: a comprehensive review and classification of publications and methods

AR Abbasi - Electric Power Systems Research, 2022 - Elsevier
A challenging problem in the protection of power transformers is the fault detection and
diagnosis (FDD). FDD has an essential role in the reliability and safety of modern power …

Diagnosis and clustering of power transformer winding fault types by cross‐correlation and clustering analysis of FRA results

AR Abbasi, MR Mahmoudi… - IET Generation …, 2018 - Wiley Online Library
The power transformer is one of the vital and substantial elements of each country's power
grid which not only require high investment, but they are also important in terms of economy …

Adaptive diagnosis for transformer with unknown faults based on antenna-augmented RFID sensor and deep learning

T Wang, Y **ao, B Li, Y He - IEEE Sensors Journal, 2023 - ieeexplore.ieee.org
In engineering practice, transformers always have one or more new mechanical fault types
that have not been found yet, which would decrease the diagnosis accuracy. This work …

Detection of HV winding radial deformation and PD in power transformer using stepped-frequency hyperboloid method

H Tabarsa, MA Hejazi… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
Detection of winding deformation and partial discharge (PD) is essential for monitoring and
failure risk assessment of power transformers. Recently, an online method based on …

Simultaneous radial deformation and partial discharge detection of high‐voltage winding of power transformer

H Karami, GB Gharehpetian, Y Norouzi… - IET Electric Power …, 2020 - Wiley Online Library
Condition monitoring of power transformers has attracted a lot of attention due to their
important roles in determining power system reliability. Radial deformation of power …

Detection for Axial Displacement Fault of Winding in Autotransformer Based on Dynamic Frequency Division of FRA and HHO-RF

L Zhou, J Zang, C Zhao, G Qian, A Fu… - IEEE Sensors …, 2024 - ieeexplore.ieee.org
To address the issue that traditional frequency response analysis (FRA) methods are
primarily used for conventional transformers and cannot accurately identify common axial …

[HTML][HTML] Detection and localization of LV winding radial deformation in transformers using electromagnetic waves-a feasibility study

M Mortazavi, Z Moravej, GB Gharehpetian - International Journal of …, 2024 - Elsevier
Recently, online methods based on electromagnetic waves have been proposed to detect
the mechanical defects of high voltage (HV) windings in power transformers. In this article …

Discrimination between radial deformation and axial displacement in power transformers using analysis of electromagnetic waves

H Rahbarimagham, S Esmaeili… - IEEE Sensors …, 2017 - ieeexplore.ieee.org
In recent years, the electromagnetic wave application has been proposed for the detection of
mechanical defects in power transformer windings. After detection of a defect, the …

Determination of transformer HV winding axial displacement extent using hyperbolic method–a feasibility study

H Rahbarimagham, H Karami… - IET Electric Power …, 2019 - Wiley Online Library
In recent years, ultra‐wideband (UWB) systems have been proposed for online monitoring of
power transformers. This study aims at a new UWB‐based method to determine the axial …

Syntactic aperture radar imaging

GB Gharehpetian, H Karami… - … Online Monitoring Using …, 2023 - books.google.com
The syntactic aperture radar (SAR) imaging method is used in many applications such as
topography, geology, military, environmental monitoring, civil infrastructure monitoring, etc …