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 …

[PDF][PDF] Leakage current and discharge phenomenon of outdoor insulators

G Zhicheng, M Yingke, W Liming… - International …, 2009 - pdfs.semanticscholar.org
This paper descirbes leakage current characters and discharge phenomenon of outdoor
insulators both in the lab and in the field. The results are hoped to be used for online …

Investigations on leakage current and voltage waveforms for pollution level monitoring under wetted and contaminated conditions

MA Douar, A Mekhaldi, MC Bouzidi - IET science, measurement & technology, 2011 - IET
This study refers to the laboratory tests that have been conducted under 50 Hz applied
voltage on a polluted plane model simulating the 1512 l outdoor insulator largely used by …

The use of wavelets for the monitoring and diagnostic of surface state of HV polluted insulators

AK Chaou, A Mekhaldi, B Moula… - … Conference on Electrical …, 2014 - ieeexplore.ieee.org
In order to ensure the continuity and the quality of electrical energy distribution, the
diagnostic of polluted insulators is of utmost importance. For this purpose, a new …

Frequency characters of leakage current on the surface of outdoor insulators in different relative humidity

M Yingke, G Zhicheng, W Liming… - 2006 IEEE Conference …, 2006 - ieeexplore.ieee.org
Contamination flashover is one of the most serious problems in power delivery system.
Leakage current that flows over the surface of the contaminated insulators is considered the …

Frequency analysis of the leakage current under non uniform polluted conditions on one insulator plane model

MA Douar, A Mekhaldi… - 2010 Annual Report …, 2010 - ieeexplore.ieee.org
In this paper, experiments are conducted in non-uniform contaminated conditions under 50
Hz applied voltage on a plane insulator model. This insulator simulates the 1512 L outdoor …

Analysis of the leakage current pulses of outdoor insulators in different relative humidity

Y Mao, Z Guan, L Wang - 2007 Annual Report-Conference on …, 2007 - ieeexplore.ieee.org
This paper investigated the leakage current characters of outdoor insulators in different
relative humidity and provided an approach to evaluate the contamination levels by the …

Algorithm for HV insulator flashover under discontinuous pollution

M Teguar, A Mekhaldi, A Boubakeur - Archives of Electrical Engineering, 2002 - infona.pl
The paper presents an algorithm for predicting the behaviour of a plane insulating surface
having the same critical discontinuous pollution repartition as on the 1512L cap and pin …

Electrostatic and electrodynamic field analyses of 33kV line insulators

IA Metwally, M Abdus Salam, A Al-Maqrashi… - International Journal of …, 2006 - degruyter.com
Electrostatic and electrodynamic field analyses of 33kV line insulators were introduced to
compare the electric-field and the current density profiles of commonly used line insulators …

[PDF][PDF] Etude de la décharge de surface sous tension alternative 50 Hz-Effets sur une interface isolante air/solide

MA Handala - 2007 - fdsp.ummto.dz
II. 1. Introduction…………………………………..……………………………….…………. II. 2. Les
phénomènes superficiels…………………………………………………………….. II. 2.1. Les …