Abstract

Modeling of the electrical resistivity of the vegetable Prickly pear oil

Author(s): Rajaa Rochdi, Souad Alaoui Ismaili, Assia Slita, Nadia Filali, Aicha Sifou, Sanaâ Saoiabi and Mohamed Alaoui El Belghiti

Some plant oils have similar electrical and thermal properties, or better than current liquid dielectric with superior environmental performance. In transformers, a stable liquid, inert, having good electrical and thermal properties is required; outside this liquid must be non-toxic to the environment and readily biodegradable. The intrinsic properties of natural vegetable oils, in terms of fire resistance, environmental performance and electrical and thermal characteristics, dielectric compositions are particularly useful products in the field of electrical engineering. In this work we report measurements of the resistivity of the prickly pear oil. The use of this electrical method was made at 25°C and 100°C. These measurements show that the viscosity decreases as the temperature believes. This decrease in viscosity was attributed to the effect of thermal agitation on the structure of molecules of these oils. This study may be useful for a possible application of these oils in the technological field

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