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Title

Investigation and Analysis of Electro-physical Properties of Biodegradable Vegetable Oil for Insulation and Cooling Application in Transformers.

Authors

Karmaker, Ashish Kumar; Sikder, Md. Mamun; Hossain, Mohammad Jakir; Ahmed, Md. Raju

Abstract

This paper focuses on the use of alternative insulating oil due to the lack of petroleum resources and concern about the environmental issues. For these purposes, a few vegetable oils available in Bangladesh are investigated for their electrical and physical properties. Vegetable oils are environmentally friendly because of their high biodegradability, low toxicity, high flash points and lower inflammability. This paper demonstrates the kinematic viscosities of sunflower oil, til oil and pithraj oil, which are found as 22.48 mm2/s, 24.81 mm2/s and 29.84 mm2/s, respectively at 20°C. The electrical breakdown voltage obtained for sunflower oil, til oil and pithraj oil are found to be 18.53 kV, 16.17 kV and 15.03 kV, respectively, for a 2.5-mm gap between electrodes at 20°C. The statistical analysis of the breakdown voltage of the vegetable oils is conducted in this paper using 'R' software. Finally, the experimental results are compared with mineral oil, which is generally used in distribution transformers.

Subjects

BANGLADESH; SESAME oil; VEGETABLE oils; MINERAL oils; SUNFLOWER seed oil; INSULATING oils; BREAKDOWN voltage; ELECTRIC breakdown

Publication

Journal of Electronic Materials, 2020, Vol 49, Issue 1, p787

ISSN

0361-5235

Publication type

Academic Journal

DOI

10.1007/s11664-019-07693-7

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