Transmission Line Protection Based on Transient Energy of Fault Current

被引：0
|
作者：
Guo Yarong [1 ]
Zhou Zexin [1 ]
Wang Xingguo [1 ]
Du Dingxiang [1 ]
Cheng Qi [1 ]
Liu Jiaqi [1 ]
机构：
[1] State Grid Corp China, China Elect Power Res Inst, Beijing, Peoples R China
来源：
2022 4TH ASIA ENERGY AND ELECTRICAL ENGINEERING SYMPOSIUM (AEEES 2022) | 2022年
关键词：
current transient energy; free wave; single-ended measurement; transmission line protection;
D O I：
10.1109/AEEES54426.2022.9759640
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：
Based on the analysis of various components of fault current and transient energy of fault current, the concept of free wave is proposed, as well as the method of free wave extraction. On this basis, free wave energy protection is proposed. The protection principle can distinguish between faults inside and outside the AC transmission line accurately, and fault discrimination does not depend on the interaction of bilateral information, using only single-end measurement, which can effectively improve the action performance of single-end protection of transmission lines. A transmission line simulation model based on the RTDS simulation platform verifies the effectiveness of free wave energy protection.
引用
收藏
页码：655 / 661
页数：7
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