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Performance analysis of 1200 kV ceramic disc insulator string under normal and faulted conditions

Reddy, Subba B and Verma, Alok Ranjan and Naik, Satish B (2015) Performance analysis of 1200 kV ceramic disc insulator string under normal and faulted conditions. In: 7th International Conference on Applied Energy (ICAE), MAR 28-31, 2015, Abu Dhabi, U ARAB EMIRATES, pp. 1114-1119.

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Official URL: http://dx.doi.org/10.1016/j.egypro.2015.07.522


In the recent years there has been a considerable increase in demand for the electrical power requirement in our country. Presently the transmission system voltages has increased to 765 kV ac and 800kV dc, keeping in view of the future demand experimentation and simulation studies for 1200 kV ac and 1100kV dc transmission are under progress. In the present study an attempt is made to compute the surface potential, electric field across the string of ceramic disc insulators used for 1200kV ac systems. The studies are carried out under normal, polluted conditions and for the case of insulator string containing faulty discs. A computer code using surface charge simulation method (SCSM) is developed for the present analysis. Also a new technique which enhances the surface potential and electric field strength for the existing ceramic disc insulators is presented.

Item Type: Conference Proceedings
Series.: Energy Procedia
Additional Information: Copy right for this article belongs to the ELSEVIER SCIENCE BV, SARA BURGERHARTSTRAAT 25, PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
Keywords: Ceramic; pollution; faulty disc insulators; surface charge simulation method; electric field
Department/Centre: Division of Electrical Sciences > Electrical Engineering
Date Deposited: 15 Oct 2015 06:41
Last Modified: 15 Oct 2015 06:41
URI: http://eprints.iisc.ac.in/id/eprint/52561

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