A moving sum approach for fault detection of power systems

被引：28

作者：

Pradhan, AK ^{[1
]}

Routray, A ^{[1
]}

Mohanty, SR ^{[1
]}

机构：

[1] Indian Inst Technol, Dept Elect Engn, Kharagpur 721302, W Bengal, India

来源：

ELECTRIC POWER COMPONENTS AND SYSTEMS | 2006年 / 34卷 / 04期

关键词：

fault detection; line protection; distance relay; digital relaying; moving sum;

D O I：

10.1080/15325000500341769

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：

This paper proposes a fault detector for digital relaying based on a moving sum index. The sum of the current samples over one cycle window has been used as the qualifier to detect the occurrence of faults in a power system. Simplicity and accuracy are the two attractive features of the method. The method is tested under a variety of fault and disturbance conditions in a typical power system. A comparative assessment with existing techniques is carried out to establish the effectiveness of the method. The approach can also be applied for fault classification of a distance relay.

引用

页码：385 / 399

页数：15

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