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Published Article / I07/1998/I-401 ENY-ARTICLE-2008-088

Influence of thin layers on static electrification phenomena of materials for power transformers

Rottenberg, W (Wroclaw University of technology, Poland) ; Fleszynski, J (Wroclaw University of technology, Poland) ; Beroual, A (Ecole Centrale de Lyon, France)


Abstract: The static electrification phenomenon is investigated, using a test cell with a rotating metallic disk coated on both sides with thin layers (0,5 and 2 pm) of conducting, semiconducting and insulating materials, obtained by magnetron sputtering. The current characterising the static electrification is studied as a function of the nature of the coating material and the oil, the temperature and the rotating velocity of the disk. Modification of the surface properties has a decisive influence on the static electrification of insulating oils, the sign and the amplitude of the currents are strongly affected.

Keyword(s): static electrification ; Power transformer
Note: IEEE International Symposium on Electrical Insulation, Arlington, Virginia, June 7-10, 1998. Vol. 2. Piscataway, NJ : IEEE, 1998. pp. 656-659

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Cited by: try citation search for ENY-ARTICLE-2008-088; I07/1998/I-401

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