Characteristic analysis of the Insulation State of Single-core XLPE Cables

被引：1
|
作者：
Gao, Wei [1 ]
Tang, Zhong [1 ]
机构：
[1] Shanghai Univ Elect Power, Shanghai 20090, Peoples R China
来源：
ENERGY AND POWER TECHNOLOGY, PTS 1 AND 2 | 2013年 / 805-806卷
关键词：
XLPE; Cable; Sheath Voltage; Ground Current; Insulation State;
D O I：
10.4028/www.scientific.net/AMR.805-806.902
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 investigates the state of insulation characteristic of single-core underground cables. The distributed model of single-core cable was built, which involved the insulation resistance and the leakage current. Based on the distributed model, sheath voltage and ground current on metallic sheath are examined under several kinds of insulation ageing such as various degree of insulation ageing occurs in the main insulation, or in the sheath insulation, or partial insulation ageing. The results show that the voltage and current on metallic sheath indicate the degree and position of the ageing. Also the trends of the voltage and current indicate the part the ageing occurs in the sheath insulation or in the main insulation.
引用
收藏
页码：902 / 905
页数：4
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