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Published Article / I07/2005/I-005 ENY-ARTICLE-2008-222

Behaviour of Insulators and Surge Arresters at Glogow Pollution Test Station

Chrzan, K L (Cardiff University, UK) ; Haddad, A (Cardiff University, UK)


Abstract: The paper reports on the pollution performance of different insulators and surge arresters at Glogow test station from 1981 up to 2004. The environmental protection progress and technology modernization caused a significant decrease of dust and gas emission at a nearby copper smelting plant. As a result, the pollution severity of the area changed from pollution level IV (very heavy) in 1980s to pollution level T (light) after 2000. The flashover voltage was measured on porcelain post insulators under natural conditions in 1987 and, after insulator wetting with a water spray, in 2002-2004. The electrical strength of porcelain insulators was compared with insulators coated with a silicone rubber layer and with insulators coated by fluorourethane layer StaClean. The aging of insulator glazes and corrosion flanges are described. The external and internal charge records and temperature on metal oxide surge arresters with porcelain housing are also presented.

Keyword(s): pollution flashover ; outdoor insulation ; ESDD ; DDD
Note: 39th International Universities Power Engineering Conference. UPEC 2004. Conference proceedings, Bristol, UK, 6-8 September 2004. Vol. 1., pp. 193-196

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Cited by: try citation search for ENY-ARTICLE-2008-222; I07/2005/I-005

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