Experimental studies on monitoring and metering of radial deformations on transformer HV winding using image processing and UWB transceivers
In this paper, a novel method based on image processing is proposed for detecting the
presence and location of mechanical deformations on an actual power transformer winding …
presence and location of mechanical deformations on an actual power transformer winding …
Feasibility study on simultaneous detection of partial discharge and axial displacement of HV transformer winding using electromagnetic waves
Recently, axial displacement detection of transformer winding has been performed using
synthetic-aperture radar (SAR) imaging, as an online method, in ultra-wideband frequency …
synthetic-aperture radar (SAR) imaging, as an online method, in ultra-wideband frequency …
Novel technique for location identification and estimation of extent of turn-to-turn fault in transformer winding
This article presents a novel technique for diagnosing a turn-to-turn fault at the incipient level
inside the power transformer winding using frequency response analysis (FRA). Utilizing …
inside the power transformer winding using frequency response analysis (FRA). Utilizing …
Determination of transformer winding radial deformation using UWB system and hyperboloid method
H Rahbarimagham, HK Porzani… - IEEE Sensors …, 2015 - ieeexplore.ieee.org
Online monitoring of the transformer winding using electromagnetic waves has recently
been proposed for the detection of mechanical defects of transformer winding. In this paper …
been proposed for the detection of mechanical defects of transformer winding. In this paper …
Identifying the Phase Undergoing a Discrete and Localized Radial Displacement in 3-, Y and Windings Using FRA: An Experimental Study
B Biswas, L Satish - IEEE Transactions on Power Delivery, 2023 - ieeexplore.ieee.org
Mechanical winding damages in transformers are quite common. Inherently these damages
at an advanced stage are very complex in appearance and are a challenge to represent …
at an advanced stage are very complex in appearance and are a challenge to represent …
Proposed methodology for online frequency response analysis based on magnetic coupling to detect winding deformations in transformers
Y Cheng, J Bi, W Chang, Y Xu, X Pan, X Ma… - High …, 2020 - Wiley Online Library
Frequency response analysis is widely used as a method for the offline diagnosis of winding
deformations in power transformers. To apply it to a working transformer, people need to …
deformations in power transformers. To apply it to a working transformer, people need to …
GLRT-based mitigation of partial discharge effect on detection of radial deformation of transformer HV winding using SAR imaging method
Online and on time detection of defects leads to technical and economic merits for networks.
Recently, an online method has been introduced for the radial deformation detection of …
Recently, an online method has been introduced for the radial deformation detection of …
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 …
failure risk assessment of power transformers. Recently, an online method based on …
New approach for accurate discrimination and location of power transformers with different internal winding faults
M Youssef, ES Abdelaziz, H Saad, M Attia - PloS one, 2024 - journals.plos.org
Power transformers are essential elements in power systems and thus their protection
schemes have critical importance. In this paper, a scheme is proposed for accurate …
schemes have critical importance. In this paper, a scheme is proposed for accurate …
Simultaneous radial deformation and partial discharge detection of high‐voltage winding of power transformer
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 …
important roles in determining power system reliability. Radial deformation of power …