Modelling of partial discharge development in electrical tree channels

A model of partial discharge development in electrical tree structures is presented. The model considers channel conductivity, charge transport, and electric field redistribution during propagation of the discharge along the channels. It has been used for numerical investigation of temporal-spatial...

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Bibliographic Details
Published in:IEEE transactions on dielectrics and electrical insulation 2003-06, Vol.10 (3), p.425-434
Main Authors: Noskov, M.D., Malinovski, A.S., Sack, M., Schwab, A.J.
Format: Article
Language:English
Subjects:
Channels
Computer simulation
Conductivity
Dielectrics and electrical insulation
Electric discharges
Electric fields
Electric potential
Electric variables
Electrons
Mathematical model
Mathematical models
Partial discharges
Poisson equations
Resistivity
Tree data structures
Trees
Trees - insulation
Voltage
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Summary:A model of partial discharge development in electrical tree structures is presented. The model considers channel conductivity, charge transport, and electric field redistribution during propagation of the discharge along the channels. It has been used for numerical investigation of temporal-spatial and electric characteristics of the partial discharges in capillaries and electrical trees exposed to AC voltage in a needle-plane geometry. The simulation results have been compared with experimental data given in the literature.
ISSN:1070-9878
1558-4135
DOI:10.1109/TDEI.2003.1207468