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Title: Discharges, Space Charge, and the Shape of Electrical Trees
Authors: Bromley, K.S.
Dissado, L.A.
Fothergill, John C.
First Published: 25-Jul-1998
Presented at: IEEE 6th International Conference on Conduction and Breakdown in Solid Dielectrics, Vasteras, Sweden
Start Date: 22-Jun-1998
End Date: 25-Jun-1998
Publisher: Institute of Electrical and Electronics Engineers (IEEE)
Citation: ICSD'98. Proceedings of the 1998 IEEE 6th International Conference on Conduction and Breakdown in Solid Dielectrics, pp. 295-300
Abstract: The movement of residual positive charges along the walls of tree tubules and into the surrounding polymer is a critical determining factor in the shape (bush or branch) of electrical trees. Positive charge that has a higher mobility along tubule walls promotes single discharges propagating to the tree tip. Lower mobility positive wall charge tends to more, but perhaps smaller, discharges. The former may favour branch tree growth, the latter bush trees. Spread out positive wall charge may occur when there are a number of discharges per half cycle. The resulting damage may favour bifurcation (transverse extension).
ISBN: 0780342372
Version: Post-print
Status: Peer-reviewed
Type: Conference Paper
Rights: Copyright © 1998 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Appears in Collections:Conference Papers & Presentations, Dept. of Engineering

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