Impedance-Differential Protective Algorithm for Long Power Transmission Lines

被引：0
|
作者：
Herlender, Justyna [1 ]
Izykowski, Jan [1 ]
机构：
[1] Wroclaw Univ Sci & Technol, Elect Power Engn Dept, Wroclaw, Poland
来源：
PROCEEDINGS OF THE 2017 18TH INTERNATIONAL SCIENTIFIC CONFERENCE ON ELECTRIC POWER ENGINEERING (EPE) | 2017年
关键词：
current differential protection; transmission line; fault location; simulation; PILOT PROTECTION; INTEGRATED IMPEDANCE;
D O I：
暂无
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：
In this paper, the evaluation of the concept of impedance differential scheme for long transmission line protection is presented. Using the voltages and currents of both line ends, the differential impedance is calculated. Capacitive charging current which constitutes the main drawback of current differential protection is eliminated in presented protection method. What is more, the advantage of presented impedance differential protection is ability to determine the fault location. For evaluating the validity of considered protection scheme, computer simulation based on ATP-EMTP was carried out. The obtained results approve the high reliability of the impedance differential protection.
引用
收藏
页码：476 / 481
页数：6
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