Reflection characteristics of water treeing insulation in medium voltage cables

被引：0
|
作者：
Ye, Yuan [1 ]
Hu, Xiao [1 ,2 ,3 ]
机构：
[1] Guizhou Univ, Elect Engn Coll, Guiyang 550025, Guizhou, Peoples R China
[2] Zhejiang Univ, Coll Elect Engn, Hangzhou 310027, Zhejiang, Peoples R China
[3] Zhejiang Horizon Instrument Transformer Co Ltd, Jiangshan 324100, Zhejiang, Peoples R China
来源：
PHYSICA SCRIPTA | 2023年 / 98卷 / 06期
关键词：
water trees; power cable insulation; time domain reflectometry; ELECTRIC-FIELD;
D O I：
10.1088/1402-4896/accfcb
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
This paper presents an analytical model based on wave reflection of dual interfaces for studying the reflection due to water treeing in the cross-linked polyethylene (XLPE) insulation of medium voltage cables. The model is expected to predict the reflection characteristics more accurately than that only considering reflection of a single interface. Experiments on a cable sample with mimic water trees are conducted to confirm the effectiveness of the presented model. The model can potentially be used to relate time-domain reflectometry (TDR) measurement results with characteristics of water treeing insulation in the cables.
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页数：7
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