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Stress control on polymeric outdoor insulators

Abd-Rahman, R., Haddad, Abderrahmane and Harid, Noureddine 2010. Stress control on polymeric outdoor insulators. Presented at: 45th International Universities Power Engineering Conference, Cardiff, UK, 31 August - 3 September 2010. 2010 45th International Universities Power Engineering Conference (UPEC 2010). London: Institute of Electrical and Electronics Engineers, pp. 155-158.

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Abstract

This paper investigates the effect of nonlinear grading material in controlling the electric field stress on outdoor polymeric insulator. Excessive electric stress combined with contaminations and moisture are responsible for the surface arcing, which may results in insulator flashover. The electric field and potential distributions along the leakage path on the surface of the insulator were computed using the Finite Element Method (FEM). The grading material was modeled by introducing a nonlinear field-conductivity relationship defined in the FEM package. Comparative studies of field and equipotential profiles for insulators with and without grading material under dry and uniformly contaminated surface conditions are presented.

Item Type: Conference or Workshop Item (Paper)
Date Type: Publication
Status: Published
Schools: Engineering
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Publisher: Institute of Electrical and Electronics Engineers
ISBN: 9781424476671
Last Modified: 04 Jun 2017 04:28
URI: http://orca-mwe.cf.ac.uk/id/eprint/39766

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