On the High Frequency Dielectric Behavior of Castor Oil

Ramu, TS (1979) On the High Frequency Dielectric Behavior of Castor Oil. In: IEEE Transactions on Electrical Insulation, 14 (3). pp. 136-141.

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Abstract

The low frequency dielectric behavior of castor oil (a vegetable oil) has been analyzed quite exhaustively in the context of its application as impregnant in capacitors. For the sake of completeness and in order to understand the relaxation phenomena in this liquid dielectric, this high frequency dielectric study was undertaken. In order to compare its properties with a liquid dielectric used in similar application and whose high frequency behavior has been quite well analyzed, Arochlor 1476 was studied. It is observed that both liquids have distributed relaxation times. The distribution parameters together with the two distinct relaxation times have been calculated by measuring the average relaxation time. It has been found that the distinct relaxation times thus calculated represent the dielectric behavior quite satisfactorily. The average dipole moments, dipole radii and thermal activation energies for dipole relaxation have also been evaluated.

Item Type:	Journal Article
Publication:	IEEE Transactions on Electrical Insulation
Publisher:	IEEE
Additional Information:	Copyright 1979 IEEE. Personal use of this material is permitted.However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE
Department/Centre:	Division of Electrical Sciences > High Voltage Engineering (merged with EE)
Date Deposited:	22 Dec 2010 11:38
Last Modified:	22 Dec 2010 11:38
URI:	http://eprints.iisc.ac.in/id/eprint/34401

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