High Frequency Impedance Based Fault Location in Distribution System With DGs

被引：91

作者：

Jia, Ke ^{[1
]}

Bi, Tianshu ^{[1
]}

Ren, Zhefeng ^{[2
]}

Thomas, David W. P. ^{[3
]}

Sumner, Mark ^{[3
]}

机构：

[1] North China Elect Power Univ, State Key Lab Alternate Elect Power Syst Renewabl, Dept Elect & Elect Engn, Beijing 102206, Peoples R China

[2] North China Elect Power Univ, Elect Engn, Beijing 102206, Peoples R China

[3] Dept Elect & Elect Engn, Nottingham NG7 2RD, England

来源：

IEEE TRANSACTIONS ON SMART GRID | 2018年 / 9卷 / 02期

关键词：

Fault location; high frequency transient; distribution systems; FED INDUCTION GENERATOR; DISTRIBUTION FEEDERS; DISTRIBUTION NETWORKS; TRANSMISSION-LINES; VOLTAGE; PROTECTION; ALGORITHM; OPERATION; DIAGNOSIS; WAVELETS;

D O I：

10.1109/TSG.2016.2566673

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：

Distributed generations (DGs) with power electronic devices and their control loops will cause distortion to the fault currents and result in errors for power frequency measurement based fault locations. This might jeopardize the distribution system fault restoration and reduce the grid resilience. The proposed method uses high frequency (up to 3 kHz) fault information and short window measurement to avoid the influence of DG control loops. Applying the DG high frequency impedance model, faults can be accurately located by measuring the system high frequency line reactance. Assisted with the DG side recorded unsynchronized data, this method can be employed to distribution systems with multiple branches and laterals.

引用

页码：807 / 816

页数：10

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