基于降阶模态方法预测风电并网系统稳定性

曹建旗; 寇志豪

doi:10.16527/j.issn.1003-6954.20250303

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基于降阶模态方法预测风电并网系统稳定性

新型电力系统 | 更新时间：2026-02-13

- 基于降阶模态方法预测风电并网系统稳定性
- 基于降阶模态方法预测风电并网系统稳定性
- 四川电力技术 2025年48卷第3期页码：16-25
- 作者机构：
  
  国网四川省成都供电公司
- 作者简介：
- 基金信息：
  
  国家自然科学基金项目(62403340)
- DOI：10.16527/j.issn.1003-6954.20250303
  中图分类号： TM712;TM614
- 纸质出版：2025
- 稿件说明：
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曹建旗, 寇志豪. 基于降阶模态方法预测风电并网系统稳定性[J]. 四川电力技术, 2025,48(3):16-25.

曹建旗, 寇志豪. 基于降阶模态方法预测风电并网系统稳定性[J]. 2025, 48(3): 16-25.
曹建旗, 寇志豪. 基于降阶模态方法预测风电并网系统稳定性[J]. 四川电力技术, 2025,48(3):16-25. DOI： 10.16527/j.issn.1003-6954.20250303.

曹建旗, 寇志豪. 基于降阶模态方法预测风电并网系统稳定性[J]. 2025, 48(3): 16-25. DOI： 10.16527/j.issn.1003-6954.20250303.

摘要

在风电场并网规划时，为确保风电场作为独立系统的稳定性，必须进行小信号稳定性分析。然而，当风电场风机数量较多时，稳定性评估变得非常复杂。为此，提出了一种基于降阶模态的快速准确预测串联或并联风电场并网系统稳定性的方法。首先，通过将串联或并联风电场并网系统等效为若干独立的子系统并计算其结构矩阵的特征值区间；然后，利用结构矩阵的最大特征值预估串联或并联风电场的稳定边界从而快速评估小信号稳定性，为了降低系统稳定性分析的计算复杂度，并更好地观察直驱风机的4组主要振荡模式，将全阶直驱风机模型降阶至8阶模型；最后，通过算例验证了所提方法的可行性。

Abstract

Proposed reduced-order modal method for fast stability prediction of large-scale wind farm integration.

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references

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