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High voltage performance of bulk and amalgamated PE insulation systems: Part II Breakdown Morphology and Lifetime

High voltage performance of bulk and amalgamated PE insulation systems: Part II Breakdown Morphology and Lifetime
High voltage performance of bulk and amalgamated PE insulation systems: Part II Breakdown Morphology and Lifetime
The introduction of cable joints and optical repeaters into submarine telecommunication cable inevitably results in amalgamation regions in the polyethylene insulation. These amalgamation regions are known to increase the probability of high voltage breakdown, when compared with the bulk material. This increased risk has been attributed to the accumulation of space charge in the amalgamation regions[1,2]. Progressive dc testing on press moulded, and amalgamated injection moulded samples, which were subjected to varying amounts of electrical ageing were conducted. The morphology of the two sample types was investigated, and the variation in breakdown distributions and characteristic values over time are discussed with reference to the time varying space charge distribution.
0022-3727
3197-3204
Brown, M.A.
36371d36-f9d5-4cc8-84ab-18804072fdc7
Chen, G.
3de45a9c-6c9a-4bcb-90c3-d7e26be21819
Davies, A.E.
56d95222-b259-494a-92e9-68b090ec0dcd
Vaughan, A.S.
6d813b66-17f9-4864-9763-25a6d659d8a3
Norman, P.A.
13259e41-e53c-48f5-aa15-1905c0cc9332
Brown, M.A.
36371d36-f9d5-4cc8-84ab-18804072fdc7
Chen, G.
3de45a9c-6c9a-4bcb-90c3-d7e26be21819
Davies, A.E.
56d95222-b259-494a-92e9-68b090ec0dcd
Vaughan, A.S.
6d813b66-17f9-4864-9763-25a6d659d8a3
Norman, P.A.
13259e41-e53c-48f5-aa15-1905c0cc9332

Brown, M.A., Chen, G., Davies, A.E., Vaughan, A.S. and Norman, P.A. (2003) High voltage performance of bulk and amalgamated PE insulation systems: Part II Breakdown Morphology and Lifetime. Journal of Physics D: Applied Physics, 36 (24), 3197-3204. (doi:10.1088/0022-3727/36/24/016).

Record type: Article

Abstract

The introduction of cable joints and optical repeaters into submarine telecommunication cable inevitably results in amalgamation regions in the polyethylene insulation. These amalgamation regions are known to increase the probability of high voltage breakdown, when compared with the bulk material. This increased risk has been attributed to the accumulation of space charge in the amalgamation regions[1,2]. Progressive dc testing on press moulded, and amalgamated injection moulded samples, which were subjected to varying amounts of electrical ageing were conducted. The morphology of the two sample types was investigated, and the variation in breakdown distributions and characteristic values over time are discussed with reference to the time varying space charge distribution.

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Published date: December 2003
Organisations: Electronics & Computer Science, EEE

Identifiers

Local EPrints ID: 259125
URI: https://eprints.soton.ac.uk/id/eprint/259125
ISSN: 0022-3727
PURE UUID: a6a6a478-80f4-47b8-bcd5-0961508de105
ORCID for A.S. Vaughan: ORCID iD orcid.org/0000-0002-0535-513X

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Date deposited: 12 Mar 2004
Last modified: 20 Jul 2019 01:07

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