THRESHOLD VOLTAGE FOR ELECTRICAL TREE INCEPTION IN UNDERGROUND HV TRANSMISSION CABLES

被引：24
|
作者：
BAMJI, SS
BULINSKI, AT
CHEN, Y
DENSLEY, RJ
机构：
[1] National Research Council of Canada, Ottawa, Ontario
[2] Ontario Hydro Research Center, Toronto, Ontario
来源：
IEEE TRANSACTIONS ON ELECTRICAL INSULATION | 1992年 / 27卷 / 02期
关键词：
D O I：
10.1109/14.135612
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：
Experimental evidence is provided to show that irreversible aging which leads to electrical treeing in polymeric insulation, such as low-density and crosslinked polyethylene used in HV transmission cables, does not start at local fields between 5 and 20 kV/mm. It is shown that a much higher stress is required for electrical tree inception and that the electroluminescence inception voltage is the threshold voltage at which the polymer starts to degrade.
引用
收藏
页码：402 / 404
页数：3
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