Large-Disturbance Instability Modes of Power System with Synchronous Generator and VSC Interfaced Generation

Liangshuai Hao; Lei Chen; Yong Min; Yalou Li; Shiyun Xu

doi:10.17775/CSEEJPES.2022.02320

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Large-Disturbance Instability Modes of Power System with Synchronous Generator and VSC Interfaced Generation

Regular Papers | 更新时间：2026-02-06

- Large-Disturbance Instability Modes of Power System with Synchronous Generator and VSC Interfaced Generation
- CSEE Journal of Power and Energy Systems Vol. 11, Issue 4, Pages: 1481-1488(2025)
- 作者机构：
  
  1. Department of Electrical Engineering, Tsinghua University,Beijing,China
  2. China Electric Power Research Institute,Beijing,China
- 作者简介：
- 基金信息：
- DOI：10.17775/CSEEJPES.2022.02320
  CLC：
- Published：2025
- 稿件说明：
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Liangshuai Hao, Lei Chen, Yong Min, et al. Large-Disturbance Instability Modes of Power System with Synchronous Generator and VSC Interfaced Generation[J]. CSEE Journal of Power and Energy Systems, 2025, 11(4): 1481-1488.
DOI：

Liangshuai Hao, Lei Chen, Yong Min, et al. Large-Disturbance Instability Modes of Power System with Synchronous Generator and VSC Interfaced Generation[J]. CSEE Journal of Power and Energy Systems, 2025, 11(4): 1481-1488. DOI： 10.17775/CSEEJPES.2022.02320.

摘要

Abstract

It is essential to study large-disturbance stability of power systems with high proportion of power electronic devices to discover new instability modes of renewable energy generation connected to the grid. In this paper

a model of power system with synchronous generator (SG) and voltage source converter (VSC) interfaced wind power generation is built

and time-domain simulations of the system under large disturbances are carried out for two cases in which the proportion of wind power is small and large

respectively. When wind power takes up a small proportion

instability mode of the system is rotor angle instability dominated by the SG. When wind power takes up a large proportion

instability is caused by outer control loop. The mechanism of new instability mode introduced in the wind power control link is analyzed from the angle of voltage limit and power limit. In addition

this paper studies the effect of low-voltage ride through (LVRT) switching strategy. Through comparison of simulations

it is verified different switching control strategies may correspond to different fault critical clearing time

i.e. different large-disturbance stability.

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