Characteristics of Natural Ester Oil Exposed with Ultrasonic Sound Waves 
Rethish Kumar C1, Willjuice Iruthayarajan M2, Bakrutheen M3
1Rethish Kumar C*, Final Year Master Degree Program in High Voltage Engineering in National Engineering College, K.R. Nagar, Kovilpatti, India.
2Dr. Willjuice Iruthayarajan M, Professor& Head in the Department of Electrical and Electronics Engineering in National Engineering College, K.R. Nagar, Kovilpatti, India.
3Mr. Bakrutheen, Working as a Assistant Professor (Senior Grade) in the Department of Electrical and Electronics Engineering in National Engineering College, K.R. Nagar, Kovilpatti, India.
Manuscript received on April 08, 2020. | Revised Manuscript received on April 20, 2020. | Manuscript published on May 30, 2020. | PP: 73-76 | Volume-9 Issue-1, May 2020. | Retrieval Number: F9723038620/2020©BEIESP | DOI: 10.35940/ijrte.F9723.059120
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© The Authors. Blue Eyes Intelligence Engineering and Sciences Publication (BEIESP). This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)
Abstract: In the present scenario of development towards sustainable alternate oil insulation for transformers, vegetable oils based natural esters have impressed as a potential substitute to transformer oil liquid insulation among many research people. Even though natural esters have possessed better electrical characteristics as liquid insulation, they have some drawbacks related to viscous nature, which will affect the flowing nature. This work aims to develop low viscous natural ester oil for the application as liquid insulation with exposing the natural esters to ultrasonic sound waves. Ultrasonic sound waves are exposed to natural esters for duration of 1 hour and 2 hours. The impact of ultrasonic sound waves on the viscosities of natural ester oil samples are analyzed before and after the exposure treatment process. Further other characteristics such as breakdown voltage (BDV), flash point, fire point, pour point, and density of natural ester oil samples are measured to identify the outcome of ultrasonic treatment. From this investigation results, it is found that the ultrasonic sound waves have created an positive results with reduction in the viscosity and alteration in other characteristics of natural ester oil samples.
Keywords: Breakdown Voltage (BDV), Flash Point, Liquid Insulation, Pour Point, Transformer, Ultrasonic Sound Wave, Vegetable Oil, Viscosity.
Scope of the Article: Network Traffic Characterization and Measurements.