周期性负荷扰动引发强迫功率振荡分析

YU Yiping; MIN Yong; CHEN Lei; ZHANG Yiwei

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周期性负荷扰动引发强迫功率振荡分析

更新时间：2025-08-13

- 周期性负荷扰动引发强迫功率振荡分析
- Automation of Electric Power Systems Vol. 34, Issue 6, Pages: 7-11(2010)
- 作者机构：
  
  清华大学电机系电力系统国家重点实验室,北京市,100084
- 作者简介：
- 基金信息：
- DOI：
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- Published：2010
- 稿件说明：
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YU Yiping, MIN Yong, CHEN Lei, et al. [J]. Automation of electric power systems, 2010, 34(6): 7-11.
DOI：

YU Yiping, MIN Yong, CHEN Lei, et al. [J]. Automation of electric power systems, 2010, 34(6): 7-11. DOI：

摘要

周期性负荷扰动会引发电力系统强迫功率振荡。文中基于单机无穷大系统和2机系统分析，解释了周期性负荷扰动引发强迫功率振荡的机理。通过对多机系统模态分析的推导，获得了节点负荷功率扰动对系统固有振荡模式的影响因子，分析了周期性负荷扰动引发强迫功率振荡的主要影响因素。最后，通过4机2区系统和新英格兰10机39节点系统的仿真分析，有助于更好地理解周期性负荷扰动引发的强迫功率振荡。

Abstract

The continuous cyclical load disturbances can lead to forced power oscillations of a power system. Based on the single-machine infinite-bus system and the two-machine system analysis， the mechanism of the forced power oscillation caused by cyclical load disturbances is presented. Then， the influence factors of the load power disturbance on the system inherent oscillation modes are obtained using modal analysis of multi-machine systems. The key factors that influence the oscillation are analyzed. Finally， the simulations of a 4-machine 2-area system and the New England 10-machine 39-bus system are carried out， which contribute to a better understanding of the forced power oscillations caused by continuous cyclical load disturbances.

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