A Faulty Feeder Selection Method based on Improved Hausdorff Distance Algorithm for Neutral Non-effectively Grounded System

被引：10

作者：

Wu, Wenhao ^{[1
]}

Zhang, Xinhui ^{[1
]}

Qiao, Dongwei ^{[2
]}

Sun, Qingsen ^{[2
]}

Wang, Wei ^{[1
]}

机构：

[1] Shandong Univ Technol, Sch Elect & Elect Engn, Zibo 255000, Shandong, Peoples R China

[2] State Grid Taian Elect Power Corp, Tai An 271000, Shandong, Peoples R China

来源：

ELECTRIC POWER SYSTEMS RESEARCH | 2022年 / 203卷

关键词：

Faulty feeder selection; single phase to ground; phase-frequency characteristics; improved Hausdorff distance; the dot product; LOCATION; NETWORK;

D O I：

10.1016/j.epsr.2021.107628

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：

Faulty feeder selection is a very important issue to ensure power supply reliability when a single-phase to ground (SPG) fault occurs in the distribution network. In this paper, a faulty feeder selection method based on improved Hausdorff distance (IHD) algorithm is proposed in the neutral non-effectively grounded system. Through the analysis of the phase-frequency characteristics of equivalent impedance, the fault characteristics in the high frequency band and low frequency band are determined. Then, the dot product of the fault characteristics can be calculated, and the IHD algorithm is utilized to obtain the dot product matrix. Finally, if the maximum value of one or more rows elements in the matrix is less than the sum of the remaining elements, it is judged as the bus fault, otherwise, the feeder corresponding to the maximum sum of the elements in the row is determined to be the faulty feeder. Simulation and recorded field data show that the proposed method can accurately select the faulty feeder under diverse fault conditions.

引用

页数：9

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