Small-signal modelling and stability analysis of grid-following and grid-forming inverters dominated power system

Yaran Li; Long Fu; Qiang Li; Wei Wang; Yubin Jia; Zhao Yang Dong

doi:10.1016/j.gloei.2023.06.010

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Small-signal modelling and stability analysis of grid-following and grid-forming inverters dominated power system

Smart Grid | 更新时间：2026-10-08

- Small-signal modelling and stability analysis of grid-following and grid-forming inverters dominated power system
- Global Energy Interconnection Vol. 6, Issue 3, Pages: 363-374(2023)
- 作者机构：
  
  1. State Grid Jiangsu Electric Power Research Institute,Nanjing,PR China,211103
  2. NARI Group Corporation (State Grid Electric Power Research Institute),Nanjing,PR China,211106
  3. School of Automation, Southeast University,Nanjing,PR China,210096
  4. School of Electrical and Electronics Engineering, Nanyang Technological University,Singapore,639798
- 作者简介：
- 基金信息：
- DOI：10.1016/j.gloei.2023.06.010
  CLC：
- Online First：27 June 2023，
  
  Published：27 June 2023
- 稿件说明：
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Yaran Li, Long Fu, Qiang Li, et al. Small-signal modelling and stability analysis of grid-following and grid-forming inverters dominated power system[J]. Global Energy Interconnection, 2023, 6(3): 363-374.
DOI：

Yaran Li, Long Fu, Qiang Li, et al. Small-signal modelling and stability analysis of grid-following and grid-forming inverters dominated power system[J]. Global Energy Interconnection, 2023, 6(3): 363-374. DOI： 10.1016/j.gloei.2023.06.010.

摘要

Abstract

In this paper

the explicit state-space model for a multi-inverter system including grid-following inverter-based generators (IBGs) and grid-forming IBGs is developed by the two-level component connection method (CCM)

which modularized inverter control blocks at the primary level and IBGs at the secondary level. Based on the comprehensive state-space model representing full order of system dynamics

eigenvalues of the overall system are thoroughly analyzed

identifying potential adverse impacts of not only grid-following inverters

but also grid forming inverters on the system small- signal stability

with the underlying principle of oscillations also understood. Numerical and simulation results validate effectiveness of the proposed methodology on IEEE benchmarking 39-bus system

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