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 …

Fault recovery analysis of grid-forming inverters with priority-based current limiters

B Fan, X Wang - IEEE Transactions on Power Systems, 2022 - ieeexplore.ieee.org
Grid-forming (GFM) inverters are required to operate robustly against grid faults. However,
due to the limited over-current capability of inverters, current-limiting controls are usually …

On the Fault-Ride-Through Dynamics of Grid-Forming Converters—A Multi-dimensional Adaptive Inertia Approach

PM Gajare, M Miranbeigi… - 2023 IEEE Applied …, 2023 - ieeexplore.ieee.org
Grid-forming (GFM) converters are gaining momentum as one of the keys to enabling large-
scale integration of distributed energy resources (DER) with the grid. Among the desired …

A new transient phenomenon caused by active current dynamics of grid-following converters during severe grid faults

C Wu, Z Huang, Y Wang, F Blaabjerg - Frontiers in Energy Research, 2024 - frontiersin.org
Existing transient stability analysis of grid-following (GFL) converters mainly focuses on the
dynamics of the phase-locked loop (PLL), while current loop dynamics are usually neglected …

Current limitation strategy for grid-forming converters under symmetrical and asymmetrical grid faults

R Rosso, S Engelken, M Liserre - 2020 IEEE Energy …, 2020 - ieeexplore.ieee.org
The potentials of grid-forming (GFM) converters in stabilizing a power system with high
penetration of power electronics-based generation have been recently investigated. Due to …

Dynamic Impact of Voltage-Dependent Current Injection on Fault-Ride-Through of Grid-Following Converters

X Wang, H Wu, X Wang, L Dall… - 2021 IEEE Energy …, 2021 - ieeexplore.ieee.org
This article analyzes transient stability of grid-following voltage source converters (GFL-
VSCs) considering the voltage-dependent current injection (VDCI) dynamics during fault …

Active Power and Voltage Cooperative Control for Improving Fault Ride-Through Capability of Grid-Forming Converters

J Wang, X Zhang - IEEE Transactions on Industrial Electronics, 2024 - ieeexplore.ieee.org
The grid-forming (GFM) converter has excellent active support capabilities, but it will face
problems of transient instability and transient overcurrent during grid faults, which brings …

Transient stability modeling of droop-controlled grid-forming inverters with fault current limiting

D Pattabiraman, RH Lasseter… - 2020 IEEE Power & …, 2020 - ieeexplore.ieee.org
Grid-forming (GFM) inverter control techniques are attracting increased attention for
interconnecting inverter-based resources (IBRs) to the electric grid because of their …

Transient stability analysis and post-fault restart strategy for current-limited grid-forming converter

Z Zhang, C Lehmal, P Hackl, R Schuerhuber - Energies, 2022 - mdpi.com
Grid-forming converters are attracting attention for their significant advantages in terms of
stability in a weak grid and simulated inertia. However, while they offer great flexibility due to …

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 …