高渗透率风电接入对区域电网小信号稳定性的影响

MU Pengtao

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高渗透率风电接入对区域电网小信号稳定性的影响

更新时间：2025-08-13

- 高渗透率风电接入对区域电网小信号稳定性的影响
- Automation of Electric Power Systems Vol. 40, Issue 11, Pages: 137-142(2016)
- 作者机构：
  
  华北电力大学电气与电子工程学院,北京市,102206
- 作者简介：
- 基金信息：
- DOI：
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- Published：2016
- 稿件说明：
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MU Pengtao. [J]. Automation of electric power systems, 2016, 40(11): 137-142.
DOI：

MU Pengtao. [J]. Automation of electric power systems, 2016, 40(11): 137-142. DOI：

摘要

风电接入对区域电网小信号稳定性的影响是清洁能源发电领域需要研究的重要问题

文中研究了提高风电渗透率的方式对系统阻尼比的影响。首先对常用的双馈风电机组七阶小信号模型进行了分析并加以改进

以此为基础对高渗透率风电并网后区域电网的小信号稳定性进行了仿真分析。仿真过程中对火电机组减出力和切机2种提高风电渗透率的方式分别进行了仿真计算

并在减出力方式下计及旋转备用容量的影响。仿真结果表明

在减少火电机组出力来提高风电渗透率的方式下

系统阻尼比并非单调变化

而在切除部分火电机组提高风电渗透率的方式下

系统阻尼比则随渗透率的提高而不断下降。

Abstract

The impact of wind power integration on small signal stability of the regional power system is an important problem in the field of clean energy generation. In particular

the influence of the way to increase the penetration of wind power on power system damping ratio is studied. Firstly

a 7th-order mathematical model of wind power generation sets for small signal stability analysis is analyzed and improved. Small signal stability of high penetration wind power integration on regional power grid is simulated based on the established model. The influence of two ways including reducing output of power units and exiting operation of power units to increase the penetration on regional power grid small signal stability is analyzed

and the effect of the spinning reserve is taken into account in the condition of reducing output of power units. Simulation results show that system damping ratio is not monotonic in the case of reducing output of power units to increase wind power penetration

and in the case of exiting operation of power units to improve the penetration of wind power

the system damping ratio continues to decline with the increase of penetration. This work is supported by National High Technology Research and Development Program of China (863 Program) (No. 2012AA050201).

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