.png){kind=icon}
返回
Efficient Current-Based Directional Relay Algorithm
.png){kind=icon}
PRE
AI
DOI：10.1109/JSYST.2018.2868861.png)
.png){kind=icon}
原文求助.png){kind=icon}
分享.png){kind=icon}
收藏
摘要
En 中文
Directional relays have a key role for protection of transmission and distribution networks. They are used as supervisory element for distance and overcurrent protections. Therefore, accuracy and performance of these protections are dependent on the performance of directional relays. In this paper, a high-speed current-based directional algorithm is presented. For a specified interval, the fault current samples are multiplied by corresponding prefault current samples and summation of the results is calculated as a criterion. Sign of the summation and direction of power flow at normal condition determine fault direction. In spite of most high-speed techniques, just accurate current transformers are needed to obtain the criterion and determining normal power flow can be relegated to simple voltage transformers at steady-state condition. The method is evaluated using plenty of simulations and experiments. Also, performance of the proposed algorithm is compared with some similar approaches. The results confirm reasonable accuracy, speed, and simplicity of the proposed method.
Keyword:
Current based
directional relays
distribution networks
fault direction
high-speed method
AI总结
对已上传原文的论文进行重点信息的提取，主要内容包括：简要概述、研究摘要、背景介绍、关键亮点、图文解析、展望与总结。
期刊
I
IF:
2.4
论文数:
4.5K
被引数:
387
机构
引用论文
.png){kind=icon}
分享收藏
查看更多内容