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Lightning performance of 275 kV transmission lines

Bhattarai, Roshan, Rashedin, Razib, Venkatesan, Sangeetha, Haddad, Abderrahmane, Griffiths, Huw and Harid, Noureddine 2008. Lightning performance of 275 kV transmission lines. Presented at: 43rd International Universities Power Engineering Conference (IUPEC 2008), Padova, Italy, 1-4 September 2008. 43rd International Universities Power Engineering Conference, 2008. UPEC 2008. Piscataway, N.J.: IEEE, pp. 983-987.

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Abstract

This paper presents a comparative lightning performance study conducted on a 275 kV double circuit shielded transmission line using two software programs, TFlash and Sigma-Slp. The line performance was investigated by using both a single stroke and a statistical performance analysis and considering cases of shielding failure and backflashover. A sensitivity analysis was carried out to determine the relationship between the flashover rate and the parameters influencing it. To improve the lightning performance of the line, metal oxide surge arresters were introduced using different phase and line locations. Optimised arrester arrangements are proposed.

Item Type: Conference or Workshop Item (Paper)
Date Type: Publication
Status: Published
Schools: Engineering
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Uncontrolled Keywords: Electrogeometric modelling, Lightning Overvoltages, Sensitivity Analysis, Statistical Analysis, Surge Arrester
Publisher: IEEE
ISBN: 9781424432943
Last Modified: 06 Sep 2019 23:31
URI: http://orca-mwe.cf.ac.uk/id/eprint/23669

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