Power Quality Problems Caused by Termites on 138-kV Underground Cables

被引：0
|
作者：
Fuscaldi, Romeu
Silveira, Fernando H. [1 ]
De Conti, Alberto [1 ]
Visacro, Silverio
机构：
[1] Univ Fed Minas Gerais, Lightning Res Ctr, Belo Horizonte, MG, Brazil
来源：
INGENIERIA E INVESTIGACION | 2011年 / 31卷
关键词：
Transmission systems; termites; underground cables;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper discusses problems found in the operation of underground cables in the transmission system of CEMIG, with emphasis on insulation failures caused by termites. This problem has been the source of many scheduled and non-scheduled interruptions in later years, leading to significant maintenance costs. Experience with current practices designed to detect and prevent this failure mode is described. It is argued that new procedures are needed for improved on-line, pre-failure detection. Test improvement will hopefully contribute to increase the lifetime of underground cables currently in use, as well as to reduce maintenance costs.
引用
收藏
页码：148 / 152
页数：5
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