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Field distortion by a single cavity in HVDC XLPE cable under steady state

Field distortion by a single cavity in HVDC XLPE cable under steady state
Field distortion by a single cavity in HVDC XLPE cable under steady state
Electric field distribution in high voltage direct current (HVDC) cross-linked polyethylene (XLPE) cable at steady
state is researched in this study. Under the condition that no cavity exists, equations describing the critical temperature difference for field reversal, and electric field distribution at steady state are proposed. When the cable with cavity is studied via the finite element analysis method, 2D and 3D model can be two possible choices. The comparison between these two models provides the reference for model selection so that the problem can be solved correctly. To study field enhancement by a single air-filled cavity at steady state, some possibly influenced factors are considered, including the cavity location, cavity size, cavity shape, temperature difference and material type. The equation describing field enhancement is given in the study.
2397-7264
107-114
He, Miao
494fe4b5-f12b-4c60-82f7-ee9db7c10236
Chen, George
3de45a9c-6c9a-4bcb-90c3-d7e26be21819
Lewin, Paul
78b4fc49-1cb3-4db9-ba90-3ae70c0f639e
He, Miao
494fe4b5-f12b-4c60-82f7-ee9db7c10236
Chen, George
3de45a9c-6c9a-4bcb-90c3-d7e26be21819
Lewin, Paul
78b4fc49-1cb3-4db9-ba90-3ae70c0f639e

He, Miao, Chen, George and Lewin, Paul (2017) Field distortion by a single cavity in HVDC XLPE cable under steady state. High Voltage, 1 (3), 107-114. (doi:10.1049/hve.2016.0013).

Record type: Article

Abstract

Electric field distribution in high voltage direct current (HVDC) cross-linked polyethylene (XLPE) cable at steady
state is researched in this study. Under the condition that no cavity exists, equations describing the critical temperature difference for field reversal, and electric field distribution at steady state are proposed. When the cable with cavity is studied via the finite element analysis method, 2D and 3D model can be two possible choices. The comparison between these two models provides the reference for model selection so that the problem can be solved correctly. To study field enhancement by a single air-filled cavity at steady state, some possibly influenced factors are considered, including the cavity location, cavity size, cavity shape, temperature difference and material type. The equation describing field enhancement is given in the study.

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Accepted/In Press date: 23 July 2016
e-pub ahead of print date: 10 October 2016
Published date: 3 November 2017
Organisations: EEE

Identifiers

Local EPrints ID: 402970
URI: http://eprints.soton.ac.uk/id/eprint/402970
ISSN: 2397-7264
PURE UUID: 157a38dd-670e-41c7-b3a0-132141b3919a

Catalogue record

Date deposited: 21 Nov 2016 11:58
Last modified: 02 Dec 2019 19:50

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