Analysis of the impact of grid-forming doubly-fed induction generator parameter on transient stability and small-signal stability

Hui Liu; Yangfan Zhang; Ruizhe Zhang; Linlin Wu; Yaohan Wang; Kai Liang; Yu Gong; Zitong Hao

doi:10.14171/j.2096-5117.gei.2026.03.001

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Analysis of the impact of grid-forming doubly-fed induction generator parameter on transient stability and small-signal stability

Power Grid Stability and Advanced Converter Control Technologies | 更新时间：2026-09-16

- Analysis of the impact of grid-forming doubly-fed induction generator parameter on transient stability and small-signal stability
- Analysis of the impact of grid-forming doubly-fed induction generator parameter on transient stability and small-signal stability
- 全球能源互联网(英文) 2026年9卷第3期
- 作者机构：
  
  1. State Grid Jibei Electric Power Research Institute, Xicheng District,Beijing,P.R. China,100034
  2. Key Laboratory of Distributed Energy Storage and Micro-Grid of Hebei Province, North China Electric Power University,Baoding,P.R. China,071003
- 作者简介：
- 基金信息：
- DOI：10.14171/j.2096-5117.gei.2026.03.001
  中图分类号：
- 纸质出版：2026
- 稿件说明：
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Hui Liu, Yangfan Zhang, Ruizhe Zhang, 等. Analysis of the impact of grid-forming doubly-fed induction generator parameter on transient stability and small-signal stability[J]. 全球能源互联网(英文), 2026,9(3).

Hui Liu, Yangfan Zhang, Ruizhe Zhang, et al. Analysis of the impact of grid-forming doubly-fed induction generator parameter on transient stability and small-signal stability[J]. Global Energy Interconnection, 2026, 9(3).
Hui Liu, Yangfan Zhang, Ruizhe Zhang, 等. Analysis of the impact of grid-forming doubly-fed induction generator parameter on transient stability and small-signal stability[J]. 全球能源互联网(英文), 2026,9(3). DOI： 10.14171/j.2096-5117.gei.2026.03.001.

Hui Liu, Yangfan Zhang, Ruizhe Zhang, et al. Analysis of the impact of grid-forming doubly-fed induction generator parameter on transient stability and small-signal stability[J]. Global Energy Interconnection, 2026, 9(3). DOI： 10.14171/j.2096-5117.gei.2026.03.001.

摘要

Abstract

The Grid-Forming Doubly-Fed Induction Generator (GFM-DFIG) has attracted considerable attention due to its capabilities in voltage self-regulation and inertia support

although stability concerns persist. Transient stability is mainly governed by grid-forming control

whereas small-signal stability is more affected by both the grid-forming control and the current control loop. This paper offers a thorough investigation into how short-circuit ratio (SCR) and system parameters affect the stability of GFM-DFIG

combining transient stability and small-signal stability analyses. First

a full-order model of the GFM-DFIG is established

followed by a reduced-order transient model. Using the transient model

the transient stability limit voltage(TSLV)under permanent fault conditions is calculated

providing a key benchmark for evaluating the generator’s transient stability. A detailed quantitative analysis is then conducted to explore the effects of SCR and parameter variations on the transient stability boundary.Next

small-signal stability is assessed through eigenvalue trajectories and damping ratios

revealing the impact of various parameters.The findings show that optimizing parameter settings can enhance both transient stability and small-signal stability. Finally

simulations are performed to validate the accuracy of the theoretical analyses.

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