Multiple Coupling Characteristics Analysis of Multi-Paralleled Wind Farms During Asymmetrical Grid Faults

Dong Yang; Jun Yao; Qinmin Zhong; Linsheng Zhao; Yongcheng Ming; Jilong Ke

doi:10.23919/PCMP.2025.000155

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Multiple Coupling Characteristics Analysis of Multi-Paralleled Wind Farms During Asymmetrical Grid Faults

更新时间：2026-09-21

- Multiple Coupling Characteristics Analysis of Multi-Paralleled Wind Farms During Asymmetrical Grid Faults
- Multiple Coupling Characteristics Analysis of Multi-Paralleled Wind Farms During Asymmetrical Grid Faults
- 现代电力系统保护与控制（英文） 2026年11卷第5期页码：170-183
- 作者机构：
  
  State Key Laboratory of Power Transmission Equipment Technology, The School of Electrical Engineering, Chongqing University,Chongqing,China
- 作者简介：
- 基金信息：
- DOI：10.23919/PCMP.2025.000155
  中图分类号：
- 纸质出版：2026-09-01
- 稿件说明：
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Dong Yang, Jun Yao, Qinmin Zhong, 等. Multiple Coupling Characteristics Analysis of Multi-Paralleled Wind Farms During Asymmetrical Grid Faults[J]. 现代电力系统保护与控制（英文）, 2026,11(5):170-183.

Dong Yang, Jun Yao, Qinmin Zhong, et al. Multiple Coupling Characteristics Analysis of Multi-Paralleled Wind Farms During Asymmetrical Grid Faults[J]. Protection and Control of Modern Power Systems, 2026, 11(5): 170-183.
Dong Yang, Jun Yao, Qinmin Zhong, 等. Multiple Coupling Characteristics Analysis of Multi-Paralleled Wind Farms During Asymmetrical Grid Faults[J]. 现代电力系统保护与控制（英文）, 2026,11(5):170-183. DOI： 10.23919/PCMP.2025.000155.

Dong Yang, Jun Yao, Qinmin Zhong, et al. Multiple Coupling Characteristics Analysis of Multi-Paralleled Wind Farms During Asymmetrical Grid Faults[J]. Protection and Control of Modern Power Systems, 2026, 11(5): 170-183. DOI： 10.23919/PCMP.2025.000155.

摘要

Abstract

With the continuous expansion of wind power integration

dual-sequence synchronization stability has become a critical concern for wind farms under asymmetrical grid faults. In particular

in multi-parallel systems

stability analysis is further complicated by various coupling effects. To address this challenge

a dual-sequence nonlinear dynamic model is developed to identify and characterize three types of coupling interactions. By incorporating the equal area criterion

the impact of coupling effects on dual-sequence synchronization stability under different scenarios is analyzed. On this basis

a method for calculating the coupling critical point is developed under accordance with grid code requirements

which can be utilized to determine appropriate current injection levels for wind farms. Finally

simulation results are presented to validate the effectiveness of the theoretical analysis and the proposed calculation method.

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