An Interphase Distance Relaying Algorithm for Series-Compensated Transmission Lines

被引:17
|
作者
Xu, Z. Y. [1 ,2 ]
Su, Z. P. [1 ]
Zhang, J. H. [1 ]
Wen, A. [3 ]
Yang, Q. X. [1 ,2 ]
机构
[1] North China Elect Power Univ, Sch Elect Elect Engn, Beijing 102206, Peoples R China
[2] Beijing Sifang Automat Co Ltd, Beijing 100085, Peoples R China
[3] China Southern Power Grid Co Ltd, Guangzhou 510623, Guangdong, Peoples R China
关键词
Distance relay; interphase faults; series-compensated transmission lines; ADAPTIVE PROTECTION SCHEME;
D O I
10.1109/TPWRD.2013.2281067
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
A new interphase distance relaying algorithm for series-compensated transmission lines is proposed in this paper. The fault impedance can be correctively calculated using the proposed algorithm without requirement of the parameters of series capacitor device. The series capacitor can be simplified as a linearized impedance during the fault period, but its parameters can be used as variables in fault loop equations. The real-time digital simulator tests show that the proposed algorithm can obtain more accurate results than other traditional distance relaying algorithms for series-compensated transmission lines.
引用
收藏
页码:834 / 841
页数:8
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