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Analysis of thermo-mechanical stress in three core submarine power cables

Analysis of thermo-mechanical stress in three core submarine power cables
Analysis of thermo-mechanical stress in three core submarine power cables
In this paper, a 2D thermal — mechanical coupled model is established using finite element modelling. Through simulation, the advantage of testing the whole cable is highlighted. It is found that the risk of creating a gap between dielectric and sheath is higher during cooling than heating especially when the sheath is plastically deformed. The deformed cable model is then studied through an electrical model. It is concluded based on the simulation results that the potential differences in the gaps created are found to be insufficient to trigger any degradation process.
plastic deformation, thermo-mechanical stress, three core
1070-9878
1288 - 1296
Lewin, Paul
78b4fc49-1cb3-4db9-ba90-3ae70c0f639e
Hamdan, M.A.
267edd17-8891-4747-a7ad-8cb4ea3a40e4
Pilgrim, J.A.
a41ef466-d66e-4778-bf12-26cc595190b3
Lewin, Paul
78b4fc49-1cb3-4db9-ba90-3ae70c0f639e
Hamdan, M.A.
267edd17-8891-4747-a7ad-8cb4ea3a40e4
Pilgrim, J.A.
a41ef466-d66e-4778-bf12-26cc595190b3

Lewin, Paul, Hamdan, M.A. and Pilgrim, J.A. (2020) Analysis of thermo-mechanical stress in three core submarine power cables. IEEE Transactions on Dielectrics & Electrical Insulation, 27 (4), 1288 - 1296, [9160427]. (doi:10.1109/TDEI.2020.008750). (In Press)

Record type: Article

Abstract

In this paper, a 2D thermal — mechanical coupled model is established using finite element modelling. Through simulation, the advantage of testing the whole cable is highlighted. It is found that the risk of creating a gap between dielectric and sheath is higher during cooling than heating especially when the sheath is plastically deformed. The deformed cable model is then studied through an electrical model. It is concluded based on the simulation results that the potential differences in the gaps created are found to be insufficient to trigger any degradation process.

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Analysis of thermo-mechanical stress in three core submarine power cables - Accepted Manuscript
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More information

Accepted/In Press date: 23 April 2020
Keywords: plastic deformation, thermo-mechanical stress, three core

Identifiers

Local EPrints ID: 444007
URI: http://eprints.soton.ac.uk/id/eprint/444007
ISSN: 1070-9878
PURE UUID: 8ff674ec-d447-4cdf-a313-6bdedb0d6fa3

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Date deposited: 21 Sep 2020 17:09
Last modified: 09 Oct 2020 16:31

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