A DIGITAL PROTECTION TECHNIQUE FOR PARALLEL TRANSMISSION-LINES USING A SINGLE RELAY AT EACH END

被引：48

作者：

GILANY, MI

MALIK, OP

HOPE, GS

机构：

[1] Department of Electrical Engineering, The University of Calgary, Calgary, Alberta

来源：

IEEE TRANSACTIONS ON POWER DELIVERY | 1992年 / 7卷 / 01期

关键词：

DIGITAL PROTECTION; PARALLEL TRANSMISSION LINES; AVERAGE CURRENT;

D O I：

10.1109/61.108897

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 digital relaying technique for parallel transmission lines is presented. Only one relay at each end of the two lines is used. The idea of the protection algorithm is based on the comparison of the average current of corresponding phases. The technique is simple and avoids many problems of parallel lines. Simulation studies show that the trip signal is generated about 5 ms after the inception of the fault. The stability of the relay under different operating conditions is also examined.

引用

页码：118 / 125

页数：8

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