Impulse Disturbance Filtration at Digital Substations

D. V. Zhmatov
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Abstract

The work presents a one-part model of the transition process in the electricity system. Laplace transform applies mathematical models of signals on digital substations. The author offers a spectral representation of analysis methods on the Laplace transform. The synchronized phasor measurement methods are for determining and filtering the carrier frequency. The results of the frequency analysis are input data for the diagnostics of digital substation devices. We present the developed software of a frequency diagnostic process using FIR-filter and choose an adequate model structure of simulated electrotechnical objects of synchronized phasor measurements. Finally, the article discusses the prospects of applying the proposed approach to solve the problems determining the primary frequency in a digital substation.
数字变电站的脉冲干扰滤波
本文提出了一个电力系统过渡过程的单部分模型。拉普拉斯变换将信号的数学模型应用于数字变电站。作者给出了拉普拉斯变换分析方法的谱表示。同步相量测量方法用于确定和滤波载波频率。频率分析的结果是数字化变电站设备诊断的输入数据。本文提出了一种基于fir滤波器的频率诊断软件,并选择了一种合适的模型结构来模拟同步相量测量的电工对象。最后,文章讨论了应用该方法解决数字化变电站一次频率确定问题的前景。
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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