A critical analysis of methodologies for detection and classification of power quality events in smart grid

RK Beniwal, MK Saini, A Nayyar, B Qureshi… - IEEE …, 2021 - ieeexplore.ieee.org
Recently, power quality (PQ) issues have drawn considerable attention of the researchers
due to the increasing awareness of the customers towards power quality. The PQ issues …

Power quality disturbance monitoring and classification based on improved PCA and convolution neural network for wind-grid distribution systems

Y Shen, M Abubakar, H Liu, F Hussain - Energies, 2019 - mdpi.com
The excessive use of power semiconductor devices in a grid utility increases the malfunction
of the control system, produces power quality disturbances (PQDs) and reduces the …

Time-frequency analysis of power-quality disturbances via the Gabor–Wigner transform

SH Cho, G Jang, SH Kwon - IEEE transactions on power …, 2009 - ieeexplore.ieee.org
Recently, many signal-processing techniques, such as fast Fourier transform, short-time
Fourier transform, wavelet transform (WT), and wavelet packet transform (WPT), have been …

Optimization techniques for improving power quality data mining using wavelet packet based support vector machine

K Manimala, K Selvi, R Ahila - Neurocomputing, 2012 - Elsevier
This paper aims at automatic classification of power quality events using Wavelet Packet
Transform (WPT) and Support Vector Machines (SVM). The features of the disturbance …

Power quality signals detection using S-transform

NHT Huda, AR Abdullah… - 2013 IEEE 7th International …, 2013 - ieeexplore.ieee.org
Power quality has become very important issue over the last decade. Poor quality can cause
equipment failure, data and economical. An automated monitoring system is needed to …

Real-time power quality signals monitoring system

NA Abidullah, AR Abdullah… - 2013 IEEE Student …, 2013 - ieeexplore.ieee.org
The increasing of sensitive electrical equipment in our technologies is the biggest issues to
power line system. The quality of electrical power supply becomes more concern to …

Time‐frequency analysis of power quality disturbances using synchroextracting transform

G Sahu, S Dash, B Biswal - International Transactions on …, 2020 - Wiley Online Library
The joint time‐frequency representation (TFR) provides the useful hidden information of a
nonstationary signal consisting of several components. The time‐frequency analysis …

Comparison of Power Quality Distortion Types and Methods Used in Classification

MR Tur, R Bayindir - … Intelligence for Smart Power System and …, 2020 - ieeexplore.ieee.org
Identifying and analyzing events affecting power quality (PQ) is very important. Sudden
increases in voltages, voltage dips, and voltage harmonics represent some of the …

Leakage current analysis on polymeric and non-polymeric insulating materials using time-frequency distribution

AR Abdullah, N Norddin, NQZ Abidin… - … on Power and …, 2012 - ieeexplore.ieee.org
This paper presents the performance of polymeric and non-polymeric insulation material in
contaminated condition. The purpose of this study is to determine the accuracy of analysis …

A Hybrid Time Frequency Response and Fuzzy Decision Tree for Non-stationary Signal Analysis and Pattern Recognition

NR Nayak, PK Dash, R Bisoi - International Journal of Automation and …, 2019 - Springer
A Fourier kernel based time-frequency transform is a proven candidate for non-stationary
signal analysis and pattern recognition because of its ability to predict time localized …