Fault Detection in Electrical Grid on Power Electronic Controllers Environment Based on Wavelet Transform

E. Reyes-Archundia, E. Moreno-Goytia
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引用次数: 8

Abstract

This paper presents the applications of the Wavelet Transform (WT) for analyzing fast transient signals originated from fault events in power grids with presence of power electronics-based controllers and its protective devices. The study cases included emphasizes the wavelets ability to discriminate signals originated by the fault events from those injected by power controllers, like the TCSC and its associated protection, the MOV, and determine location and electrical distance of the fault to a reference point. The simulation and analysis are carried out cooperatively mean between PSCAD and MATLAB.
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基于小波变换的电力电子控制器环境下电网故障检测
介绍了小波变换在电网故障事件快速暂态信号分析中的应用。所包括的研究案例强调了小波区分故障事件产生的信号与电源控制器(如TCSC及其相关保护,MOV)注入的信号的能力,并确定故障到参考点的位置和电气距离。仿真分析是在PSCAD和MATLAB的协同下进行的。
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