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Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/12466

Title: Hydrophobic characteristics of composite insulators in simulated inland arid desert environment
Authors: Khan, Y.
Al-Arainy, A.A.
Malik, N.H.,
Qureshi, M.I
Keywords: accelerated aging; Composite insulator; EPDM; hydrophobicity; TPE
Issue Date: 2010
Publisher: AIP Conf. Proc.
Citation: 3rd Global Conference on Power Control and Optimization, PCO 2010; Gold Coast, QLD; 2 February 2010 through 4 February 2010
Abstract: Presently along with traditional insulators i.e. glass and porcelain, etc., the polymeric insulators are also used world widely. These polymeric insulators are very sensitive to various environmental parameters e.g. UV radiations, heat, etc. The UV radiation level in the central region of Saudi Arabia is high as compared to the recommended IEC-61109 standard for the accelerated aging of the composite insulators. In this study, thermoplastic elastomer (TPE) and Ethylene Propylene Diene Monomer (EPDM) insulators were subjected to accelerated aging stress as per IEC standard as well as modified IEC standard simulating the inland arid desert's atmospheric conditions. The hydrophobic characteristics were studied by measuring the contact angle along the insulator surface before and after the accelerated aging of the samples. It was found that TPE loses its hydrophobic properties more as compared to EPDM insulator. This loss was proportional to the intensity of UV irradiation. The rate of recovery is also low for both the tested materials as compared to Silicone Rubber insulators. © 2010 American Institute of Physics.
URI: http://hdl.handle.net/123456789/12466
ISSN: 0094243X
Appears in Collections:College of Engineering

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