Damage analysis and mechanical behavior of the low voltage overhead power cables dedicated to distribution network

CHOUAIRI Asmâa, BENALI Abdelkader, EL GHORBA Mohamed, BARBE Nicolas, BENOUNA Anas, BOUDLAL El mostapha


Since the onset of electrical systems, electrical cable was the first physical support for passing an electric current to flow. Until now, the power cable is still valid and has undergone intrinsic more severe modifications to adapt with the electrical and environmental constraints.

However, mastering the reliability of overhead lines of electric power long distances through generally different parts of their relief (topography and altitude), climate (temperature, pressure, wind) their environment (industrial areas, coastal areas) has become increasingly important. Therefore, the equipment power transmissions are exposed to various constraints, among these, the degradation of connections and electrical aging weapons which are recognized as major factors causing the faults stored on airlines, and thus appear as very important factors in the quality and reliability energy transport.

The purpose of our work is to optimize the control performance of the ducts from the overhead electrical distribution networks generally and especially aging degradation. For this we will look at details of the various mechanisms and processes involved in the thermal aging of solid insulation in general and in particular synthetic sheaths. We then discuss the experimental part includes the cable and used test devices and complete the study by discussing results.

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ISSN (Paper)2224-5790 ISSN (Online)2225-0514

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