Breakdown Behaviour of Polyesterimide Enamelled Wire Subjected to Thermal Aging.

Autor: Mohammed, Nedjar¹ mohammed.nedjar@ummto.dz

Publikováno v: Annales de Chimie Science des Matériaux. Jun2022, Vol. 46 Issue 3, p163-168. 6p.

Effects of Hydrothermal Aging on the Breakdown Voltage of Polyesterimide

Autor: Idir Ben Saidj, Mohammed Nedjar, Smain Hocine, Ferhat Belabbas

Publikováno v: Annales de Chimie - Science des Matériaux. 46:95-102

Polymers have always played a big role in the insulation of electrical machines and have been the focus of several studies when they are subjected to different stresses. The humidity and temperature are the main constraints that degrade the insulatin

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3acc285e45d9f20c25f8e218a90a0f22
https://doi.org/10.18280/acsm.460205

Statistical investigation of short-term dielectric breakdown of polyesterimide and polyamide imide used in electrical machines

Autor: Mohammed Nedjar, Samy Hassani Ould Ouali

Publikováno v: Annales de chimie Science des Matériaux. 36:59-72

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a2416adbc02057d13bbbf05f61805201
https://doi.org/10.3166/acsm.36.59-72

Weibull statistics in the effect of dioctyl phthalate ratio on the polyvinyl chloride properties

Autor: Mohammed Nedjar

Publikováno v: Annales de chimie Science des Matériaux. 35:81-88

L'effet du taux de phtalate de dioctyle (DOP) sur les proprietes du polychlorure de vinyle (PVC) a ete etudie. Une analyse statistique des donnees experimentales a ete faite. L'allongement a la rupture augmente et la resistance a la traction diminue

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::03ea1a656eca836cd23ee574b91cf72d
https://doi.org/10.3166/acsm.35.81-88

Breakdown strength measurements on cylindrical polyvinyl chloride sheaths under AC and DC voltages

Autor: Mohammed Nedjar, Mohend Seghir Herzine, J.M. Reboul, Y. Zebboudj, Abdelkrim Laifaoui

Publikováno v: IEEE Transactions on Dielectrics and Electrical Insulation
IEEE Transactions on Dielectrics and Electrical Insulation, Institute of Electrical and Electronics Engineers, 2014, 21 (5), pp.2267-2273. ⟨10.1109/TDEI.2014.004190⟩

International audience; In this work, we study the effect of the applied voltage form and its rise speed on breakdown voltage of polyvinyl chloride sheaths. We first present the statistical model of Weibull used for processing the results, then we de

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5e01fea2629e70b329005e89c6dd8c3a
https://hal.archives-ouvertes.fr/hal-02153411