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10. Simulation of Electrical Tree Growth in a Composite Insulating System Consisted from Epoxy Resin and Mica Sheets.

Author

Christantoni, D. D., Danikas, M. G., Vardakis, G. E., and Lekou, A. T.

Subjects
INSULATING materials, SIMULATION methods & models, EPOXY resins, ELECTRIC resistance, COMBINATORICS, ELECTRIC insulators & insulation
Abstract

Epoxy resin and mica sheets are essential for the insulation of rotating machines stator bars. Although such insulation is resistant to partial discharges and mechanically strong, it may also suffer from electrical trees, which in the long run may cause ultimate failure. Electrical tree is a phenomenon which is intimately related to insulation breakdown and the deterioration of the insulating capability of the materials. An attempt to simulate the electrical tree propagation in epoxy resin with a mica sheet barrier is presented with various combinations of structures. A comparison with experimental results obtained elsewhere, is also attempted. [ABSTRACT FROM AUTHOR]

Published
2010

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