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PMU-based Fault Location Technique for Three-terminal Parallel Transmission Lines with Series Compensation

机译：基于PMU的三端并联传输线具有串联补偿的故障定位技术

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摘要

This study introduces a fault location technique for three-terminal series-compensated untransposed parallel transmission lines utilizing the three terminals' synchronized data. The proposed technique is applicable for short or long lines as distributed parameter line model is employed and the potential couplings are considered. The fault location for both uncompensated line sections is obtained adopting previously introduced fault location technique. The faulty phases are required initially to be recognized for series-compensated transmission line. The adopted fault location technique for series-compensated line section is derived based on the resistive nature of the fault impedance. The obtained fault locations for each line section are compared with each other to distinguish the faulty branch and obtain the fault location. DIgSILENT Power Factory and MATLAB programs are utilized for simulation studies and required calculations. The obtained results prove the efficacy of the introduced technique.
机译：本研究引入了利用三个终端同步数据的三端串联补偿的未播出并联传输线的故障定位技术。所提出的技术适用于短路或长线，因为采用分布式参数线模型并考虑潜在的耦合。通过先前引入的故障定位技术获得两种未偿付线路部分的故障位置。最初需要故障相对于串联补偿传输线来识别。基于故障阻抗的电阻性，导出了用于串联补偿线部分的采用的故障定位技术。将所获得的每个线部分的故障位置彼此进行比较以区分故障分支并获得故障位置。 DigSilent Power Factory和Matlab程序用于模拟研究和所需的计算。所得结果证明了引入技术的功效。

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