A Fault Steady State Component-Based Wide Area Backup Protection Algorithm

被引：69
|
作者：
Ma, Jing [1 ,2 ]
Li, Jinlong [1 ]
Thorp, James S. [2 ]
Arana, Andrew J. [2 ]
Yang, Qixun [1 ]
Phadke, A. G. [2 ]
机构：
[1] North China Elect Power Univ, Sch Elect & Elect Engn, Beijing 102206, Peoples R China
[2] Virginia Polytech Inst & State Univ, Bradley Dept Elect & Comp Engn, Blacksburg, VA 24061 USA
来源：
IEEE TRANSACTIONS ON SMART GRID | 2011年 / 2卷 / 03期
基金：
美国国家科学基金会;
关键词：
Fault correlation factor (FCF); PMU; protection correlation region (PCR); wide area backup protection; SYSTEM;
D O I：
10.1109/TSG.2011.2158861
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：
A novel wide area backup protection algorithm to identify fault branch based on the fault steady state component is proposed. Under normal conditions of the power system, subsets of buses called protection correlation regions (PCRs) are formed on the basis of the network topology and phasor measurement unit (PMU) placement. After the fault occurs, by analyzing the fault steady state component of differential current in each PCR, the fault correlation region is confirmed and then a fault correlation factor (FCF), is calculated in real time to locate the fault branch. The simulation results for the 10-generator 39-bus system verify that this method is able to easily identify fault branch with limited measurement points.
引用
收藏
页码：468 / 475
页数：8
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