Methods for Fault Location in High Voltage Power Transmission Lines: A Comparative Analysis

被引:0
|
作者
Hung T.N. [1 ]
机构
[1] Department of I.T., FPT University-Quy Nhon A.I Campus, Nhon Binh Ward, Binh Dinh Province, Quy Nhon City
关键词
Fault location; Global positioning system; Grid faults; Power system stability; Transmission line;
D O I
10.14710/IJRED.2022.46501
中图分类号
学科分类号
摘要
Power transmission system stability can be significantly affected due to faults. The fault location accuracy in the transmission lines can make many benefits such as acceleration of the line restoration, reduction in cost, breakdown time, maintenance, and time searching. The methods based on the impedance, including the simple reactance, Takagi, modified Takagi, and double-end, are very much appreciated for locating the fault in transmission lines and especially by estimating the fault distance. This study proposes a comparative case study between these methods. The theoretical basis and the analysis, calculation, and estimation of each method are specifically re-established. To observe the performance of each method, a practical 220kV Quy Nhon-Tuy Hoa transmission line in Vietnam is used to simulate, calculate, evaluate, and compare under the various fault types and resistances. The power system is modeled and simulated in the MATLAB/Simulink software via the time domain. The voltage and current measurements at two ends of the line are used to determine the fault location on the Quy Nhon-Tuy Hoa transmission line. The simulation results show clearly the effectiveness of each fault location method. © 2022. The Author(s).
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页码:1134 / 1141
页数:7
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