A Fault Location Method for HVDC Transmission Lines

被引：3
|
作者：
Xing, Luhua [1 ]
Chen, Qing [1 ]
Xue, Binglei [2 ]
机构：
[1] Shandong Univ, Minist Educ, Key Lab Power Syst Intelligent Dispatch & Control, Jinan 250100, Peoples R China
[2] Econ &Technol Res Inst State Grid Shandong Elect, Jinan 250100, Peoples R China
来源：
MECHATRONICS ENGINEERING, COMPUTING AND INFORMATION TECHNOLOGY | 2014年 / 556-562卷
关键词：
distribution current; fault location; fault traveling wave; HVDC transmission; wavelet transform;
D O I：
10.4028/www.scientific.net/AMM.556-562.2723
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 fault location method for HVDC (High Voltage Direct Current) transmission lines is proposed in this paper, using voltages and currents measured at two terminals of dc lines in time domain. Fault traveling waves propagate from the fault point to both terminals along the faulted line. The position that the traveling wave head arrives at some moment after the fault can be used to calculate the fault location. To determine the arrival positions of traveling wave head at each time indirectly, propagation characteristic curves of traveling wave heads at local and the remote terminals are calculated with distribution currents using the stationary wavelet transform. The accuracy of fault location will not be affected by transition resistance and fault position. Simulation results show that the presented fault location method can achieve quick and accurate fault location on the whole line under probable operation modes of a bipolar HVDC transmission system.
引用
收藏
页码：2723 / 2727
页数：5
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