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Estimation of electric stress and surface potential for traction insulators

Reddy, Subba B and Madhulita, M and Chaudhuri, T (2012) Estimation of electric stress and surface potential for traction insulators. In: 2012 IEEE Fifth Power India Conference, 19-22 Dec. 2012, Murthal.

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Official URL: http://dx.doi.org/10.1109/PowerI.2012.6479524


Traction insulators are solid core insulators widely used for railway electrification. Constant exposure to detrimental effects of vandalism, and mechanical vibrations begets certain faults like shorting of sheds or cracks in the sheds. Due to fault in one/two sheds, stress on the remaining healthy sheds increases, owing to atmospheric pollution the stress may lead to a flashover of the insulator. Presently due to non availability of the electric stress data for the insulators, simulation study is carried out to find the potential and electric field for most widely used traction insulators in the country. The results of potential and electric field stress obtained for normal and faulty imposed insulators are presented.

Item Type: Conference Proceedings
Publisher: IEEE
Additional Information: Copyright of this article belongs to IEEE.
Keywords: Shorted Sheds; Surface Charge Simulation Method; Surface Field ; Surface Potential; Traction Insulators
Department/Centre: Division of Electrical Sciences > Electrical Engineering
Date Deposited: 29 May 2013 10:16
Last Modified: 29 May 2013 10:16
URI: http://eprints.iisc.ac.in/id/eprint/46414

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