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Effective methods of assessment of insulation system conditions in power transformers: a view based on practical experience

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3 Author(s)
Sokolov, V. ; ZTZ-Service, Ukraine ; Berler, Z. ; Rashkes, V.

Condition-based monitoring of power transformer insulation should center on the prediction of a substantial drop in the dielectric safety margin under the impact of moisture, oil by-products, contaminating particles, paper insulation aging and partial discharge activity. A functional failure model of power transformer insulation and possible effective methods of the insulation condition assessment are discussed based on practical experience

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Electrical Insulation Conference and Electrical Manufacturing & Coil Winding Conference, 1999. Proceedings

Date of Conference: