Influence of semi conductive nanoparticles on insulation properties of Mineral oil

The reliability of power system has to be assured as it is going to meet a persistent solicit of power consumption. In this scenario, the present power transmission systems should be upgraded to high power transmission capacities without compromising the reliability which is mainly affected by the failure of insulation within transformers and power equipment. Since liquid insulators are most commonly used for transformer insulation and especially the mineral oil, in this work laboratory experiments in nano modified mineral oil are carried out? Two types of nanofluids made by adding semi conductive nanoparticles namely SiO
₂
and TiO
₂
to mineral oil at various concentration levels, and its dielectric property were tested by conducting experiments such as AC breakdown voltage test, tan delta, dielectric constant, volume resistivity and capacitance measurements. The results obtained from the two nanofluids were compared and analyzed for better dielectric insulation properties which best suits for high voltage transmission.