利用暂态信号参数提高行波故障定位的可靠性

2022 International Conference on Industrial Engineering, Applications and Manufacturing (ICIEAM) Pub Date : 2022-05-16 DOI:10.1109/ICIEAM54945.2022.9787244

R. Khuziashev, I. Kuzmin, Ildar Minaev

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引用次数: 0

摘要

本工作的目的是从暂态信号模态结构中获得电力线切换过程中行波发生位置的附加信息。考虑了不同开关原因对暂态信号的仿真结果。给出了高频和低频模态振荡的形成机理。结果表明，只有在行波穿过开关点的干扰下才会形成高频模态振荡。结果表明，在开关点的左侧和右侧形成了不同的暂态信号模式结构。考虑了小波分析在确定模态振荡周期中的应用。证明了小波分析在确定暂态信号起始点方面的有效性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Using Transient Signal Parameters to Improve the Reliability of Traveling Wave Fault Localition

The aim of the work is to obtain additional information about the place of occurrence of traveling waves during switching in power lines from transient signal modal structure. The results of simulation of the transient signal by different reasons for switching are considered. The mechanism of formation of high-frequency and low-frequency mode oscillations is shown. It is shown that high-frequency mode oscillations are formed only with the interference of traveling waves penetrating through the switching point. It is shown that different transient signal mode structures are formed to the left and to the right of the switching point. The application of wavelet analysis to determine the period of mode oscillations is considered. The efficiency of wavelet analysis for determining the beginning of a transient signal is shown.

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2022 International Conference on Industrial Engineering, Applications and Manufacturing (ICIEAM)

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