Effect of new and aged mineral oil based TiO<sub>2</sub> nanofluid for power transformer application

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Published Dec 30, 2017
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Volume 13, Issue 4, December 2017

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R. T. Arun Ram Prasath
Ph.D. Full-time Research Scholar, EE Department, National Institute of Technology, Durgapur
Navdeep Ranjan
PG Research Scholar, EE Department, National Institute of Technology, Durgapur
Sankar Narayan Mahato
Associate Professor, EE Department, National Institute of Technology, Durgapur
Nirmal Kumar Roy
Professor, High Voltage and Insulation Laboratory, EE Department, National Institute of Technology, Durgapur
P. Thomas
Additional Director, Dielectric Materials Division, Central Power Research Institute, Bangalore

Abstract

Transformer is one of the cost effective and critical component in high voltage (HV) electrical system network. The quality of mineral oil is the key parameter to determine the health of the transformer. Globally, electrical and physical parameters of mineral oil are considered as the most primitive critical parameters for monitoring the transformer throughout the year. In this paper, electrical parameters like AC breakdown voltage (BDV), volume resistivity and physical parameters like flash point and fire point of new and aged mineral oil are analyzed by dispersing TiO2 nanoparticles in mineral oil under different vol.% concentration. It is found that, new mineral oil with TiO2 nanoparticles shows enhanced BDV compared with base mineral oil. In addition to this, volume resistivity, flash point and fire point also shows improved results with TiO2 nanoparticles.

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How to Cite
Arun Ram Prasath, R. T., Ranjan, N., Narayan Mahato, S., Kumar Roy, N., & Thomas, P. (2017). Effect of new and aged mineral oil based TiO<sub>2</sub> nanofluid for power transformer application. Power Research - A Journal of CPRI, 555–560. Retrieved from https://node6473.myfcloud.com/~geosocin/CPRI/index.php/pr/article/view/1019

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