Saturation-informed current-limiting control for grid-forming converters

MA Desai, X He, L Huang, F Dörfler - arxiv preprint arxiv:2404.07682, 2024 - arxiv.org
In this paper, we investigate the transient stability of a state-of-the-art grid-forming complex-
droop control (ie, dispatchable virtual oscillator control, dVOC) under current saturation. We …

[HTML][HTML] Transient Stability Analysis and Enhancement of Grid-Forming Converters: A Comprehensive Review

X Chen, W Si, Q Yu, J Fang - Electronics, 2025 - mdpi.com
Grid-forming converters (GFMCs) have emerged as enablers in modern power systems.
However, they face the transient stability problem, which hinders them from successful fault …

Passivity and decentralized stability conditions for grid-forming converters

X He, F Dörfler - IEEE Transactions on Power Systems, 2024 - ieeexplore.ieee.org
We prove that the popular grid-forming control, ie, dispatchable virtual oscillator control
(dVOC), also termed complex droop control, exhibits output-feedback passivity in its large …

Modeling Fault Recovery and Transient Stability of Grid-Forming Converters Equipped With Current Reference Limitation

A Arjomandi-Nezhad, Y Guo, BC Pal… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
When grid-forming (GFM) inverter-based resources (IBRs) face severe grid disturbances
(eg, short-circuit faults), the current limitation mechanism may be triggered. Consequently …

Cross-Forming Control and Fault Current Limiting for Grid-Forming Inverters

X He, MA Desai, L Huang, F Dörfler - arxiv preprint arxiv:2404.13376, 2024 - arxiv.org
We propose a novel" cross-forming" control concept for grid-forming inverters operating
against grid faults. Cross-forming refers to voltage angle forming and current magnitude …

Small-signal stability of power systems with voltage droop

J Niehues, R Delabays, F Hellmann - arxiv preprint arxiv:2411.10832, 2024 - arxiv.org
The small-signal stability of power grids is a well-studied topic. In this work, we give new
sufficient conditions for highly heterogeneous mixes of grid-forming inverters (and other …

Optimized Parameter Design of Grid-Following and Grid-Forming Converters for Wide Operating Region

H Ruan, Y **ao, H Luo, Y Yang… - IEEE Journal of …, 2025 - ieeexplore.ieee.org
The stability of the power grid with rich renewable energy resources is increasingly
challenged, as power generation is highly intermittent and also with the mix of multiple …

Direct Transient Stability Assessment of Grid-Connected Voltage Source Converters: A Transient Energy Functions Perspective

A Poulose, S Kim - IEEE Access, 2024 - ieeexplore.ieee.org
The integration of renewable energy sources into the grid predominantly utilizes voltage
source converters with a grid-following connection strategy. This approach, however, often …

Fault Recovery and Transient Stability of Grid-Forming Converters Equipped with Current Saturation

A Arjomandi-Nezhad, Y Guo, BC Pal… - arxiv preprint arxiv …, 2024 - arxiv.org
When grid-forming (GFM) inverter-based resources (IBRs) experience large grid
disturbances (eg, short-circuit faults), the current limiter may be triggered and GFM IBRs …

Application of Dual-Grid-Forming MMC for Seamless Transition between Grid Connected and Islanded Operation in Microgrids

A Rabanal, S D'Arco, E Tedeschi - 2024 IEEE PES Innovative …, 2024 - ieeexplore.ieee.org
This paper presents a control strategy based on dual-grid-forming applied to modular
multilevel converters. The goal is to ensure seamless transitions between grid-connected …