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首页> 外文期刊>Power Delivery, IEEE Transactions on >An Online Travelling Wave Fault Location Method for Unearthed-Operated High-Voltage Overhead Line Grids
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An Online Travelling Wave Fault Location Method for Unearthed-Operated High-Voltage Overhead Line Grids

机译：土方高压架空电网在线行波故障测距方法

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摘要

In this paper, a single-ended travelling wave-based fault location algorithm is presented with reference to HV (i.e., 60 kV) overhead unearthed operated lines. The main novelty of this contribution lies in the method of calculating the speed of the earth mode component of the travelling wave, which exploits the earth mode impedance and capacitance, and of simplifying the fault location procedure. The developed procedure has been applied to a real double-circuit overhead line modeled by EMTP-rv, whereas the fault location algorithm has been implemented in a MATLAB environment. In order to validate the proposed method, a sensitivity analysis has been performed by varying the fault position, the fault resistance and the fault inception angle. The proposed approach has proven to be independent of all these parameters.
机译：在本文中，结合HV（即60kV）架空出土的作业线，提出了一种基于单端行波的故障定位算法。这种贡献的主要新颖之处在于计算行波的接地模式分量速度的方法，该方法利用了接地模式的阻抗和电容，并简化了故障定位过程。所开发的程序已应用于由EMTP-rv建模的实际双回路架空线，而故障定位算法已在MATLAB环境中实现。为了验证所提出的方法，通过改变故障位置，故障电阻和故障起始角度进行了敏感性分析。实践证明，所提出的方法与所有这些参数无关。

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