A Fault Location Algorithm for Multi-Section Combined Transmission Lines Considering Unsynchronized Sampling

被引：0
|
作者：
Lak, Peng Y. [1 ]
Ha, Kwang-Min [1 ]
Nam, Soon-Ryul [1 ]
机构：
[1] Myongji Univ, Dept Elect Engn, Yongin 17058, South Korea
来源：
ENERGIES | 2024年 / 17卷 / 03期
关键词：
fault location; multi-section combined transmission line; positive-sequence component; PSCAD/EMTDC; unsynchronized sampling; SCHEME;
D O I：
10.3390/en17030703
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
This paper introduces a fault location technique for multi-section combined transmission lines, utilizing unsynchronized fault record data. The approach determines the intersection points of the voltage magnitudes computed using the fault current and voltage records of each terminal and the constant line parameters of each section. Finally, the real fault location is identified based on the calculated inverse angle of equivalent impedance. To evaluate the performance of the proposed algorithm, a three-section combined transmission line is constructed using the PSCAD/EMTDC software version 5.0.0, and various fault scenarios are simulated and tested employing the proposed algorithm. The results indicate that the proposed algorithm is applicable to various types of faults in a multi-section combined transmission line; the estimations are accurate.
引用
收藏
页数：17
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