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Reducing air clearance requirements for voltage uprating of overhead line by use of line surge arresters

Venkatesan, Sangeetha, Haddad, Abderrahmane, Griffiths, Huw, Harid, Noureddine and Albano, Maurizio 2009. Reducing air clearance requirements for voltage uprating of overhead line by use of line surge arresters. Presented at: 2009 annual report Conference on Electrical Insulation and Dielectric Phenomena, Virginia Beach, VA, USA, 18-21 October 2009. IEEE Conference on Electrical Insulation and Dielectric Phenomena, 2009. CEIDP '09. IEEE, pp. 224-229.

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Abstract

While uprating an overhead line to a higher voltage level, it is often difficult to achieve the required clearance level for the uprated structure. Use of Transmission Line Arresters (TLAs) is an effective technique in controlling overvoltages and thereby, achieving the required clearance margin. In this paper, suitability of this technique in reducing the clearance margin is discussed. A case study on uprating an existing 275 kV overhead line to 400 kV is investigated here.

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: air clearance requirements , clearance level , line surge arresters, overhead line, transmission line arresters, uprated structure, voltage 275 kV, voltage 400 kV, voltage uprating
Publisher: IEEE
ISBN: 9781424445578
Last Modified: 07 Nov 2017 03:15
URI: http://orca-mwe.cf.ac.uk/id/eprint/23670

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