Coupling Characteristics of DFIG-based WT Considering Reactive Power Control and Its Impact on Phase/Amplitude Transient Stability in a Rotor Speed Control Timescale

Wangqianyun Tang; Jiabing Hu; Rui Zhang; Xu Chen; Zhengang Yang

doi:10.17775/CSEEJPES.2020.04280

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Coupling Characteristics of DFIG-based WT Considering Reactive Power Control and Its Impact on Phase/Amplitude Transient Stability in a Rotor Speed Control Timescale

Regular Papers | 更新时间：2026-10-15

- Coupling Characteristics of DFIG-based WT Considering Reactive Power Control and Its Impact on Phase/Amplitude Transient Stability in a Rotor Speed Control Timescale
- Coupling Characteristics of DFIG-based WT Considering Reactive Power Control and Its Impact on Phase/Amplitude Transient Stability in a Rotor Speed Control Timescale
- 中国电机工程学会电力与能源系统学报(英文) 2022年8卷第2期页码：511-522
- 作者机构：
  
  1. Electric Power Research Institute, China Southern Power Grid,Guangzhou,China
  2. State Key Laboratory of Advanced Electro-magnetic Engineering and Technology and School of Electrical and Electronic Engineering, Huazhong University of Science and Technology,Wuhan,China
  3. China Southern Power Grid,Guangzhou,China
- 作者简介：
- 基金信息：
- DOI：10.17775/CSEEJPES.2020.04280
  中图分类号：
- 纸质出版：2022-03-01
- 稿件说明：
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Wangqianyun Tang, Jiabing Hu, Rui Zhang, 等. Coupling Characteristics of DFIG-based WT Considering Reactive Power Control and Its Impact on Phase/Amplitude Transient Stability in a Rotor Speed Control Timescale[J]. 中国电机工程学会电力与能源系统学报(英文), 2022,8(2):511-522.

Wangqianyun Tang, Jiabing Hu, Rui Zhang, et al. Coupling Characteristics of DFIG-based WT Considering Reactive Power Control and Its Impact on Phase/Amplitude Transient Stability in a Rotor Speed Control Timescale[J]. CSEE Journal of Power and Energy Systems, 2022, 8(2): 511-522.
Wangqianyun Tang, Jiabing Hu, Rui Zhang, 等. Coupling Characteristics of DFIG-based WT Considering Reactive Power Control and Its Impact on Phase/Amplitude Transient Stability in a Rotor Speed Control Timescale[J]. 中国电机工程学会电力与能源系统学报(英文), 2022,8(2):511-522. DOI： 10.17775/CSEEJPES.2020.04280.

Wangqianyun Tang, Jiabing Hu, Rui Zhang, et al. Coupling Characteristics of DFIG-based WT Considering Reactive Power Control and Its Impact on Phase/Amplitude Transient Stability in a Rotor Speed Control Timescale[J]. CSEE Journal of Power and Energy Systems, 2022, 8(2): 511-522. DOI： 10.17775/CSEEJPES.2020.04280.

摘要

Abstract

The transient stability issues caused by doubly fed induction generator (DFIG)-based wind turbines (WTs) are receiving increasing attention. The q-axis reactive power control (QCtrl)

as an essential part of DFIG-based WTs

has a significant impact on its transient response. In this paper

the impact of QCtrl on the phase/amplitude transient stability of a DFIG-based WT-dominated system is analyzed from the perspective of internal voltage amplitude-phase coupling characteristics. First

an amplitude/phase dynamic model of a DFIG-based WT in rotor speed control timescale (in seconds

corresponding to traditional electromechanical timescale) is developed. Then

in comparison with familiar synchronous generators (SGs)

an inherently amplitude-phase characteristic of internal voltage for a DFIG-based WT is identified. Next

taking the DFIG-based WT-dominated system as an example

the impact of QCtrl on system transient stability via the internal coupling paths is analyzed. A novel phase-amplitude coupling instability mechanism is found

which is different from that in a traditional SG-dominated system. Finally

the effects of different QCtrl strategies on transient stability are discussed.

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