The study of inhomogeneities effect on the insulation of a power cable

被引：0
|
作者：
Popa, Monica [1 ]
Pasca, Sorin [1 ]
机构：
[1] Univ Oradea, Dept Elect Engn, Oradea, Romania
来源：
2019 15TH INTERNATIONAL CONFERENCE ON ENGINEERING OF MODERN ELECTRIC SYSTEMS (EMES) | 2019年
关键词：
electric field strength; inhomogeneities in polyethylene insulation; numerical model;
D O I：
10.1109/emes.2019.8795177
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：
The paper deals with the 3D numerical modeling of the electric field within a power cable whose polyethylene insulation have inhomogeneities. Two types of inhomogeneities were taken into account: material impurity and gas filled cavity. The influence of physical properties, shape and geometrical dimensions of inhomogeneities on the electric field strength is analyzed. The maximum values of electric field obtained through simulations are compared to a reference value. Starting from a structural analysis of cable insulation, this study can be used in a thorough evaluation of electric field in order to prevent the power cable ageing or breakdown.
引用
收藏
页码：189 / 192
页数：4
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