Impact of TiO2 Nanoparticles on Physical and Electrical Properties of Mustard Oil for Power Transformer
Vegetable oils are an effective alternative to mineral oil for power transformers due to their high biodegradability and excellent dielectric strength. Moreover, adding a small number of nanoparticles (NPs) to vegetable oils can cause a significant increase in the dielectric strength of vegetable oils. This paper presents an experimental study of the physical and electrical properties of Mustard oil and its titanium dioxide (TiO2) based nanofluids (NFs). Physical properties include viscosity, water content, specific gravity, acidic content, flash point, and pour point whereas electrical properties include the AC dielectric strength and partial discharge analysis. All the properties were determined according to IEC/ISO standards. Nanofluids were characterized using scanning electron microscopy and x-ray dispersion analyzer. Titanium dioxide based nanofluids were added to pure Mustard oil in varying quantities of 0.02 g/liter, 0.05 g/liter, and 0.1 g/liter to make NFs. The experimental results indicate that 0.05 g/L NF has best properties among all the four samples, and it has the ability to substitute conventional mineral oil. Experimental study showed that there was an increase of 40% in AC dielectric strength, 3 times increase in the partial discharge inception and extinction voltage when 0.05 g/L TiO2 was added in Mineral oil as compared to the experimental study of pure Mineral oil. The comparison of physical and electrical properties of the said sample was compared with mineral oil and other vegetable oils. It has been observed that 0.05 g/L TiO2 is also cost effective alternative to mineral oil and other vegetable oils.
Email Address of Submitting Author2020msee101@student.uet.edu.pk
ORCID of Submitting Author0000-0003-4002-2346
Submitting Author's InstitutionUniversity of Engineering and Technology Lahore
Submitting Author's Country