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Published Article / I07/2007/I-041 ENY-ARTICLE-2008-188

Performance of polymer concrete insulators under light pollution

Chrzan, K L (Wroclaw University of Technology) ; Skoczylas, M (NTI Pomiary, Glogow, Poland)


Abstract: Abstract: This paper deals with polymer concrete, a highly filled composite material as a low cost alternative to porcelain outdoor insulators. A review of earlier laboratory and field tests of PC insulators was given. The insulators were produced according to the technology developed in the USA 30 years ago. The 20 kV support insulators were installed at a distribution power line and exposed to mechanical and electrical stress 8 years ago. The insulators made from polymer concrete are also investigated at Glogow, pollution test station under 75 kV operating voltage. The highest leakage current of 27 mA was measured under the short specific leakage distance of 1,9 cm/kV (phase to ground voltage). Our tests confirm that these insulators can be applied under light pollution condition, that means, in nearly whole territory of Poland and neighbouring countries.

Keyword(s): polymer concrete insulator ; pollution
Note: 15th International Symposium on High Voltage Engineering. ISH. Proceedings, Ljubljana, Slovenia, August 27th-31st, 2007 / Eds Maks Babuder, Janko Kosmac, Mladen Iglic. Ljubljana : Faculty of Electrical Engineering University of Ljubljana, Elektroinstitut Milan Vidmar, 2007

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Record created 2008-10-10, last modified 2008-10-10

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