电力系统次同步振荡分量的快速在线检测算法

WANG Maohai

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电力系统次同步振荡分量的快速在线检测算法

更新时间：2025-08-13

- 电力系统次同步振荡分量的快速在线检测算法
- Automation of Electric Power Systems Vol. 40, Issue 18, Pages: 149-154(2016)
- 作者机构：
  
  国家电网华北电力调控分中心,北京市,100053
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2016
- 稿件说明：
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WANG Maohai. [J]. Automation of electric power systems, 2016, 40(18): 149-154.
DOI：

WANG Maohai. [J]. Automation of electric power systems, 2016, 40(18): 149-154. DOI：

摘要

电力电子装置及串联补偿装置的大量应用使得电力系统次同步振荡现象越来越普遍。针对这一问题

文中给出一种次同步振荡分量的快速提取方法

可有效抑制工频分量、谐波分量和噪声对次同步振荡分量测量的影响。该方法具有计算量小和响应速度快的优点

可实现在线测量分析。在此基础上

给出了电力系统次同步振荡分量的频率(模态)、幅值、相位的在线计算方法和抑制次同步振荡分量对工频量测影响的方法。仿真算例和实际算例验证了所述方法的有效性。

Abstract

Sub-synchronous oscillation(SSO)occurs more and more frequently in modern power systems because of the wide application of power electronic devices and series compensation equipment. To solve this problem

a fast SSO component extraction method is proposed

which can effectively suppress power frequency components

harmonic components and noise. With the advantages of fast response and small calculation burden

the method proposed makes it possible to realize online SSO measurement and analysis. Based on this

an algorithm for calculating SSO frequency(mode)

amplitude and phase angle online and a method to suppress the SSO component in the process of power frequency phasor measurement are proposed. Simulation examples and actual examples are given to verify the effectiveness of the method. This work is supported by State Grid Corporation of China(No. 5201011400M5).

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