基于电流独立同步相量测量的输电线路故障定位方法

K. G. Firouzjah, A. Sheikholeslami
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引用次数: 5

摘要

提出了一种基于同步相量测量的故障定位新技术。该技术的主要目的是重写系统方程,以消除电流互感器的CT要求,实现电流无关方程。理论分析和仿真结果表明,故障估计精度与故障类型无关,在所有情况下,实际故障点距离与估计故障点距离的差值小于传输线长度的0.6%,比文献中提出的其他故障定位技术更准确。EMTP和MATLAB仿真结果描述和验证了所提出的技术。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A Current Independent Synchronized Phasor Measurement Based Method for Fault Location on Transmission Lines
This paper presents a new fault location technique based on synchronized phasor measurement. The main objective of presented technique is to rewrite the system equations in order to eliminate the current transformer CT requirements and achieve current independent equations. Theoretical analysis and simulation result indicate that accuracy of fault estimation is fault type independent and the difference between actual and estimated fault point distance is less than 0.6 percent of transmission line length in all case which is more accurate than other fault location techniques that presented in literature. EMTP and MATLAB simulation results have been performed to describe and validate proposed technique.
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