Finite Element Model of a 3 m long Three-core Armoured Submarine Cable

被引:0
|
作者
Benato, Roberto [1 ]
Sessa, Sebastian Dambone [1 ]
Forzan, Michele [1 ]
Gentilin, Francesco [1 ]
Marelli, Marco [2 ]
Pietribiasi, Davide [2 ]
机构
[1] Univ Padua, Dept Ind Engn, Padua, Italy
[2] Prysmian Power Link, Milan, Italy
关键词
Submarine three-core cables; steel wire armour; power losses;
D O I
暂无
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
This paper presents a complete three meter long 3D Finite Element Method (FEM) model of a three-core submarine armoured cable. In this model, the different laying pitches of cores and armour steel wires are correctly taken into account. For the first time in technical literature, a 3 meter long model has been successfully solved. The CPU times are very high i.e. about 70 hours (mesh plus solver). IEC 60287-1-1 gives a strong overestimation of armour and screen power losses and consequently an important underestimation of cable current rating. It is worth noting that IEC gives an overestimation even if a 2D model is considered i.e. the stranding is not taken into account.
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页数:6
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