Overview and partial discharge analysis of power transformers: A literature review

MR Hussain, SS Refaat, H Abu-Rub - IEEE Access, 2021 - ieeexplore.ieee.org
The high voltage power transformer is the critical element of the power system, which
requires continuous monitoring to prevent sudden catastrophic failures and to ensure an …

Partial discharge classifications: Review of recent progress

WJK Raymond, HA Illias, H Mokhlis - Measurement, 2015 - Elsevier
It is well known that a correlation exist between the pattern of partial discharge (PD)
behavior and the insulation quality. Since different sources of partial discharge have their …

Partial discharge diagnostics and electrical equipment insulation condition assessment

GC Stone - IEEE Transactions on Dielectrics and Electrical …, 2005 - ieeexplore.ieee.org
Partial discharge (PD) measurement has long been used as a test to evaluate different
insulation system designs, and as a quality control test for new equipment. However, in the …

A novel wavelet transform technique for on-line partial discharge measurements. 1. WT de-noising algorithm

H Zhang, TR Blackburn, BT Phung… - IEEE transactions on …, 2007 - ieeexplore.ieee.org
Medium and high voltage power cables are widely used in the electrical industry with
substantial growth over the last 20-30 years ago, particular in the use of XLPE insulated …

Detection and sizing of metal-loss defects in oil and gas pipelines using pattern-adapted wavelets and machine learning

M Layouni, MS Hamdi, S Tahar - Applied Soft Computing, 2017 - Elsevier
Signals collected from the magnetic scans of metal-loss defects have distinct patterns.
Experienced pipeline engineers are able to recognize those patterns in magnetic flux …

Fault diagnosis for power cables based on convolutional neural network with chaotic system and discrete wavelet transform

MH Wang, SD Lu, RM Liao - IEEE Transactions on Power …, 2021 - ieeexplore.ieee.org
In this paper, the discrete wavelet transform (DWT) and a chaotic system were combined
with a convolutional neural network (CNN) and applied to the diagnosis of insulation faults …

Wavelet transform with histogram-based threshold estimation for online partial discharge signal denoising

R Hussein, KB Shaban… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
Online condition assessment of the power system devices and apparatus is considered vital
for robust operation, where partial discharge (PD) detection is employed as a diagnosis tool …

Digital detection, grouping and classification of partial discharge signals at DC voltage

S Wenrong, L Junhao, Y Peng… - IEEE Transactions on …, 2008 - ieeexplore.ieee.org
In this paper, a digital dc PD pulse detection system with bandwidth of 10 kHz-40 MHz is
introduced, which was developed using some artificial intelligence methodologies. Focus is …

[图书][B] Transformer ageing: monitoring and estimation techniques

TK Saha, P Purkait - 2017 - books.google.com
A one-stop guide to transformer ageing, presenting industrially relevant state-of-the-art
diagnostic techniques backed by extensive research data Offers a comprehensive coverage …

Denoising of partial discharge signal using a hybrid framework of total variation denoising-autoencoder

S Chaudhuri, S Ghosh, D Dey, S Munshi, B Chatterjee… - Measurement, 2023 - Elsevier
Partial discharge (PD) measurement is an essential task for assessing the condition of
electrical insulations. Different types of noises, such as random noise and discrete spectral …