Protection of high-voltage AC cables

被引：0
作者：
Tziouvaras, Demetrios A.
机构：
来源：
2006 59TH ANNUAL CONFERENCE FOR PROTECTIVE RELAY ENGINEERS | 2006年
关键词：
D O I：
暂无
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：
High-voltage underground ac cables have signiflcantly different electrical characteristics than overhead transmission lines. The cable sheath or shield grounding method has a major impact on the zero-sequence impedance of underground cables. Understanding how the underground cable grounding method affects the series sequence impedances is very fundamental to underground cable protection. In the paper we briefly discuss the types of underground cables, their bonding and grounding methods, and the fundamental differences between overhead transmission lines and cable electrical characteristics. Finally we discuss the application of short-circuit protection for highvoltage ac cables.
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页码：48 / 61
页数：14
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