Identify Direct Lightning Strike Location Based on Discrete Wavelet Transform for 115-kV Transmission System

Combination of Discrete Wavelet Transform and Probabilistic Neural Network Algorithm for Detecting Fault Location on Transmission System

This paper proposes a new algorithm for detecting faults in an electrical power transmission system, using discrete wavelet transform (DWT) and probabilistic neural network (PNN). Fault conditions are simulated using ATP/EMTP to obtain current signals. The algorithm used to analyze fault locations is developed on MATLAB. Fault detection is processed using the positive sequence current signals. ...

Transform of Lightning Electromagnetic Pulses based on Laplace Wavelet

In this study, the fine structures of lightning electromagnetic pulse associated with 19 preliminary breakdown pulses, 37 stepped leaders, 8 dart leaders, 73 first and 52 subsequent return strokes were analyzed by using Laplace wavelet. The main characteristics of field waveforms such as, the correlation coefficient, the time of arrival and the dominant frequency of the initial peak field, the ...

Detection Classification and Location of Faults on 220 Kv Transmission Line with Statcom Using Wavelet Transform and Neural Network

A new scheme to enhance the solution of the problems associated with Transmission line protection with Statcom connected is presented in this paper. The fault detection is carried out by using energy of the detail coefficients of the phase signals and artificial neutral network algorithm used for fault type classification and fault distance location for all the types of faults for 220 KV transm...

Discrete Wavelet Transform Based Ofdm System Using Convolutional Encoding

Detection and classification of faults on 220 KV transmission line using wavelet transform and neural network

Along with other electrical components, the transmission line suffers from the unexpected failures due to various faults. Protecting of transmission lines is one of the important tasks to safeguard electric power systems. For safe operation of EHVAC transmission line systems, the protection to detect, classify, locate accurately and clear the fault as fast as possible to maintain stability in t...