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
收藏
页码：385 / 399
页数：15
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