An Enhanced Parameter-Free Fault Locator for Untransposed Line With Unsynchronized Terminals

被引：1
|
作者：
Kalita, Kaustav [1 ,2 ]
Anand, Shubham [3 ]
Parida, S. K. [3 ]
机构：
[1] Power Grid Corp India Ltd, Gurgaon 122001, India
[2] Indian Inst Technol, Patna 801106, Bihar, India
[3] Indian Inst Technol, Dept Elect Engn, Patna 801106, Bihar, India
来源：
IEEE TRANSACTIONS ON POWER DELIVERY | 2023年 / 38卷 / 05期
关键词：
Fault location; untransposed configuration; two-terminal line; unsynchronized measurements; impedance and admittance matrix;
D O I：
10.1109/TPWRD.2023.3295998
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：
This letter presents a novel fault location algorithm for single circuit untransposed line, which is independent of transmission line parameters and unsynchronized measurement. The novelty of proposed algorithm is that it considers asymmetry in untransposed line while considering unequal angles of synchronism mismatch in pre-fault and fault conditions. Thus, in contrast to existing techniques the proposed algorithm can be applied to conductor configuration other than delta/flat configuration of untransposed line. Simulation results using EMTP-RV platform along with those obtained using field data are presented. The test results verify the accuracy and validity of the proposed method.
引用
收藏
页码：3733 / 3736
页数：4
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