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 …

Scale dependent wavelet selection for de-noising of partial discharge detection

J Li, T Jiang, S Grzybowski… - IEEE Transactions on …, 2010 - ieeexplore.ieee.org
Wavelet shrinkage methods are effective for de-noising of partial discharge (PD) detection.
Base wavelets are related to distortion of PD signals de-noised by wavelet shrinkage …

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 …

Random forest based optimal feature selection for partial discharge pattern recognition in HV cables

X Peng, J Li, G Wang, Y Wu, L Li, Z Li… - … on Power Delivery, 2019 - ieeexplore.ieee.org
Optimal selection of features of Partial Discharge (PD) signals recorded from defects in High
Voltage (HV) cables will contribute not only to the improvement of PD pattern recognition …

Self-adaptive partial discharge signal de-noising based on ensemble empirical mode decomposition and automatic morphological thresholding

JC Chan, H Ma, TK Saha… - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
This paper proposes a self-adaptive technique for partial discharge (PD) signal denoising
with automatic threshold determination based on ensemble empirical mode decomposition …

Flashover process and frequency analysis of the leakage current on insulator model under non-uniform pollution conditions

MA Douar, A Mekhaldi… - IEEE Transactions on …, 2010 - ieeexplore.ieee.org
In this paper, we present results dealing with the non-uniform pollution carried out under 50
Hz applied voltage on a plane model simulating the 1512 L outdoor insulator largely used …

Smart transformer for smart grid—intelligent framework and techniques for power transformer asset management

H Ma, TK Saha, C Ekanayake… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
Condition monitoring and diagnosis have become an essential part of power transformer
asset management. A variety of online and offline measurements have been performed in …

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 …