Abstract
Power and energy sector is adopting the modern technology in all science streams for improving the efficiency after the inclusion of distributed generation and smart grids. The key component in power transmission and distribution is a Transformer. Oil filled transformers are used in High Voltage Transmission and Low Voltage Distribution. To improve the operational efficiency of these huge machines, researches are carried out to prepare insulating oils with high dielectric strength. The present work focuses on the enhancement of dielectric properties of natural oil based insulating fluid by modifying with suitable nanoparticles. The available edible oils such as coconut oil, rice bran oil, sesame oil and sunflower oil are chosen for this purpose. Nanoparticles of TiO2, Fe3O4, SiO2, h-BN and Al2O3 are selected as additives. The properties such as Break Down Voltage, Tan delta and Viscosity are compared for different samples. The values obtained has proved the opportunity to develop natural vegetable base oil with nanomaterial like white graphene having superior qualities compared to the mineral based transformer oil.
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