Travelling Wave Based Directional Relaying Without Using Voltage Transients

被引：6
|
作者：
Nayak, Kuldip [1 ]
Jena, Soumitri [1 ]
Pradhan, Ashok Kumar [1 ]
机构：
[1] Indian Inst Technol Kharagpur, Dept Elect Engn, Kharagpur 721302, W Bengal, India
来源：
IEEE TRANSACTIONS ON POWER DELIVERY | 2021年 / 36卷 / 05期
关键词：
Circuit faults; Threshold voltage; Relays; Resistance; Transient response; Transient analysis; Voltage transformers; Line fault; directional relaying; travelling waves; capacitive voltage transformer; PROTECTION;
D O I：
10.1109/TPWRD.2021.3099338
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：
In this letter, an alternative solution for travelling wave based directional relaying scheme is presented by utilizing the prefault voltage sample acquired at a much lower sampling rate along with current travelling wave. There is no requirement of voltage travelling waves for the method. The performance of the proposed method is evaluated for faults simulated on a 400 kV transmission network which reveals its advantage for faults when change in voltage signal is low. The proposed method is independent of the transient response of the capacitive voltage transformer.
引用
收藏
页码：3274 / 3277
页数：4
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