Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Mohammed Megherbi"'
Publikováno v:
Russian Electrical Engineering. 93:277-283
Publikováno v:
Australian Journal of Electrical and Electronics Engineering. 18:319-327
This experimental work discusses the behaviour of PMMA samples surface aged under electrical discharges at ambient pressure and temperature. Ageing tests were carried out for different time duratio...
Publikováno v:
IAS
The most widely used techniques for neutralizing the static charge at the surface of insulating bodies make use of the bipolar ions generated in an ac corona discharge. The aim of the present work is to evaluate the efficiency of the neutralization a
Publikováno v:
International Journal on Electrical Engineering and Informatics. 5:422-432
This paper is devoted to recovery voltage as a diagnostic non destructive method for an assessment of an insulating state of power transformers. The insulating pressboard used in power transformers is tested for different moisture levels. Experiments
Autor:
Belkacem Yahiaoui, Lucian Dascalescu, Angela Antoniu, Belaid Tabti, Atallah Smaili, Mohammed Megherbi
Publikováno v:
IEEE Transactions on Industry Applications. 49:1758-1766
Accumulation of electric charges on insulating surfaces is frequently at the origin of severe electrostatic hazards. The best solution to this problem is to neutralize these charges by the use of ac corona discharges. The aim of this work is to evalu
Publikováno v:
Electric Power Components and Systems. 37:798-812
The present work describes an experimental investigation dealing with the harmonic distortion of the voltage applied to samples of pressboard paper. The investigation especially concerns the study of dielectric losses in order to determine the contri
Publikováno v:
International Review on Modelling and Simulations (IREMOS). 9:382
This article presents a measurement and a theoretical determination of magnetic losses in the ferromagnetic non oriented iron silicon sheets (FeSiNO), in unidirectional alternating field and rotating field. The theoretical prediction of the magnetic
Publikováno v:
The European Physical Journal Applied Physics. 64:30201
By combining the techniques of dielectric relaxation spectroscopy (DRS), measurement of both ac and dc conductivities, Fourier transform infrared spectroscopy (FT-IR) and scanning electron microscopy (SEM), we have explored the effect of electrical a