Oscillatory Instability Mechanism Analysis and Stabilization Control of Full-power Wind Turbine System Under Ultra-weak Grids

GAO Lei; LYU Jing; WANG Wei’an; WANG Han; CHEN Guodong; CAI Xu

doi:10.13334/j.0258-8013.pcsee.250272

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Oscillatory Instability Mechanism Analysis and Stabilization Control of Full-power Wind Turbine System Under Ultra-weak Grids

更新时间：2026-10-19

- Oscillatory Instability Mechanism Analysis and Stabilization Control of Full-power Wind Turbine System Under Ultra-weak Grids
- Vol. 46, Issue 12, Pages: 4958-4973(2026)
- 作者机构：
  
  1. 1 电力传输与功率变换控制教育部重点实验室(上海交通大学)，上海市闵行区,200240
  2. 2 上海电气集团输配电装备有限公司，上海市青浦区,200072
- 作者简介：
- 基金信息：
- DOI：10.13334/j.0258-8013.pcsee.250272
  CLC：
- Published：2026
- 稿件说明：
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GAO Lei, LYU Jing, WANG Wei’an, et al. Oscillatory Instability Mechanism Analysis and Stabilization Control of Full-power Wind Turbine System Under Ultra-weak Grids[J]. 2026, 46(12): 4958-4973.
DOI：

GAO Lei, LYU Jing, WANG Wei’an, et al. Oscillatory Instability Mechanism Analysis and Stabilization Control of Full-power Wind Turbine System Under Ultra-weak Grids[J]. 2026, 46(12): 4958-4973. DOI： 10.13334/j.0258-8013.pcsee.250272.

摘要

为解决跟网型全功率风电机组在极弱电网条件下的振荡失稳问题，该文将全功率风电机组机侧变流器和网侧变流器的控制环节可视化为虚拟阻抗元件，从电路原理的角度揭示极弱电网条件下全功率风电机组的振荡失稳机理；在此基础上，针对现有阻尼控制的不足，提出一种基于无功功率混合同步的稳定控制方法，可使全功率风电机组在短路比(short-circuit ratio，SCR)为1.1的极弱电网条件下稳定运行，同时减少无功功率输出；最后，通过Matlab/Simulink仿真和远宽StarSim控制器硬件在环实验验证了所提稳定控制方法的效果。

Abstract

To address the oscillatory instability of grid-following(GFL)-based full-power wind turbine systems under ultra-weak grid conditions

this paper visualizes the control loops of the machine-side converter(MSC) and grid-side converter(GSC) as virtual impedances composed of circuit components. From the perspective of circuit theory

the oscillatory instability mechanism of full-power wind turbine systems under ultra-weak grid conditions is revealed. On this basis

considering the limitations of existing active damping control methods

this paper proposes a reactive power hybrid synchronization control(RPHSC) approach to ensure stable operation of full-power wind turbine systems under ultra-weak grid conditions with a short-circuit ratio(SCR) of 1.1. Meanwhile

the reactive power output by full-power wind turbine systems can be reduced. Finally

the effectiveness of the proposed method is validated through Matlab/Simulink simulation results and experimental results obtained from a hardware-in-the-loop platform using the Modeling Tech StarSim.

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