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

被引：9

作者：

Hamdan, M. A. ^{[1
]}

Pilgrim, J. A. ^{[1
]}

Lewin, P. L. ^{[1
]}

机构：

[1] Univ Southampton, Sch Elect & Comp Sci, Tony Davies High Voltage Lab, Southampton SO17 1BJ, Hants, England

来源：

IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION | 2020年 / 27卷 / 04期

关键词：

plastic deformation; thermo-mechanical stress; three core;

D O I：

10.1109/TDEI.2020.008750

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

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.

引用

页码：1288 / 1296

页数：9

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