Grid forming inverter modeling, control, and applications

DB Rathnayake, M Akrami, C Phurailatpam… - IEEE …, 2021 - ieeexplore.ieee.org
This paper surveys current literature on modeling methods, control techniques, protection
schemes, applications, and real-world implementations pertaining to grid forming inverters …

Virtual external perturbance-based impedance measurement of grid-connected converter

Q Rong, P Hu, Y Yu, D Wang, Y Cao… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
The impedance of grid-connected converter (GCC) is crucial for the small-signal stability
analysis of the renewable-energy system. Traditionally, the impedance of the power …

Integrating power electronics-based energy storages to power systems: A review on dynamic modeling, analysis, and future challenges

Q Fu, C Dai, S Bu, CY Chung - Renewable and Sustainable Energy …, 2025 - Elsevier
The integration of power electronics-based energy storage systems (PEESs) into power
systems introduces potential instabilities. This study reviews efforts in dynamic analysis of …

Grid strength impedance metric: An alternative to SCR for evaluating system strength in converter dominated systems

C Henderson, A Egea-Alvarez… - … on Power Delivery, 2023 - ieeexplore.ieee.org
Short circuit ratio is an outdated measure of system strength in converter dominated systems
as the useful behaviour of inverter-based resources is not represented. While still useful for …

Impedance modeling and stability analysis of VSG controlled type-IV wind turbine system

Y Xu, H Nian, B Hu, D Sun - IEEE Transactions on Energy …, 2021 - ieeexplore.ieee.org
In order to realize the grid-friendly wind turbine system (WTS), applying of the virtual
synchronous generator (VSG) control strategy to WTS has become a trend of research, and …

Output impedance derivation and small-signal stability analysis of a power-synchronized grid following inverter

MZ Mansour, N Mohammed… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
In recent years, grid-following inverters (GFLIs) and grid-forming inverters (GFMIs) have
established their position as the mainstream synchronization techniques for the grid …

[HTML][HTML] Analytical investigation of factors affecting small-signal stability of grid-connected VSC

X Wu, Z Du, X Yuan, Y Li - International Journal of Electrical Power & …, 2023 - Elsevier
This paper provides an analytical investigation of the small-signal stability of the grid-
connected voltage source converter (VSC) as well as the impacts of the system resistances …

Tuning method of a grid-following converter for the extremely-weak-grid connection

C Li, S Wang, J Liang - IEEE Transactions on Power Systems, 2022 - ieeexplore.ieee.org
This letter proves that a grid-following converter can stably connect to a weak grid even short-
circuit ratio (SCR) is 1. Root instability causes of this grid-following control are identified …

Recent development of grid-connected inverters and weak-grid stabilization

L Jun, LI Chuanyue - Power System Technology, 2022 - epjournal.csee.org.cn
High penetration of grid-connected inverters is changing the forms and roles of resources in
power grids. The inverters are required to be functioned like the synchronous generators …

Limitations of using passivity index to analyze grid–inverter interactions

F Chen, X Wang, L Harnefors, SZ Khong… - … on Power Electronics, 2024 - ieeexplore.ieee.org
The main purpose of this article is to elaborate on the limitations of using frequency-domain
passivity theories in analyzing grid-inverter interactions within the low-frequency range. It …