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Studies on High Voltage Composite Insulators under very low Temperature

Sharma, D and Subba Reddy, B (2019) Studies on High Voltage Composite Insulators under very low Temperature. In: UNSPECIFIED, 10 September 2018.

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Official URL: https://dx.doi.org/10.1109/ICHVE.2018.8641896

Abstract

With the advancement in material engineering new insulation materials have been developed with enhanced insulating properties and these materials have certain advantages over glass and porcelain insulators in terms of field performance. Since last decade there is an increase in demand of installing polymer/composite insulator as a preferable choice. These have promising features for high voltage transmission and distribution applications. However, long-term environmental and electric stresses could cause surface degradation and in due course reduce the insulation strength of insulators. In the present work, an attempt is made to study the effect of multiple stresses (humidity, low temperature, UV and electric stress) on the composite insulators. The experimental chamber of 2.5 x 2.5 x 2.5 ft is suitably fabricated for the experiment. The leakage current is regularly monitored over the experimental duration of 1000 hours. The surface morphological studies using Fourier transform infrared (FTIR) spectroscopy, Scanning Electron Microscopy (SEM), Energy Dispersive X-Ray Analysis (EDAX), Wettability Class (WC) measurements and performance of tensile strength of the samples are conducted on the samples before and after experimentation. © 2018 IEEE.

Item Type: Conference Paper
Additional Information: copyright for this article belongs to Institute of Electrical and Electronics Engineers Inc.
Keywords: Electric insulation; Energy dispersive X ray analysis; Fourier transform infrared spectroscopy; Insulating materials; Scanning electron microscopy; Tensile strength; X ray diffraction analysis, Composite insulators; Energy dispersive Xray analyses (EDAX); High voltage transmissions; Insulating properties; Insulation materials; Material engineering; Porcelain insulators; Very low temperatures, Temperature
Department/Centre: Division of Electrical Sciences > High Voltage Engineering (merged with EE)
Depositing User: Id for Latest eprints
Date Deposited: 06 May 2019 12:49
Last Modified: 06 May 2019 12:49
URI: http://eprints.iisc.ac.in/id/eprint/62158

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