Challenges and Prospects of Grid Support in Grid-Forming Inverters
A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "F3: Power Electronics".
Deadline for manuscript submissions: 20 September 2024 | Viewed by 134
Special Issue Editors
Interests: modelling and control of power converters connected to the electric grid; solid-state transformer becoming a smart transformer; modular and multilevel power converters for hybrid and meshed grids; reliability of power converters and its improvement through control
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
The conventional paradigm of energy generation by means of large fossil fuel power plants transmitting power over long distances is mutating toward a distributed generation paradigm, with the integration of renewable energy sources and battery storage systems in the power grid. This radical mutation introduces high flexibility and sustainability in modern power grids; nevertheless, it also introduces new challenges for grid stability.
The concept of grid-forming converters emerged as a valuable solution for increasing the stability of low-inertia power grids with high penetration of power electronics. Grid-forming converters are controlled to exhibit a voltage source-like behavior, similarly to synchronous generators, and to rapidly support the grid voltage during faults by reactive current injection.
However, due to the voltage source-like behavior, grid-forming converters are subject to overcurrent during faults and loss of synchronism with the grid. Therefore, effective control strategies for grid-forming converters to properly support the power grid during large disturbances are highly requested.
The topics of interest for this Special Issue include the following:
- Transient stability of grid-forming converters: analysis and enhancement strategies;
- Current limitation strategies in grid-forming converters;
- Synchronization of grid-forming converters during grid faults and loss of synchronization problems;
- Modeling of grid-forming converters for stability analysis;
- Small-signal stability and control interactions in grid-forming converters;
- Interactions between grid-forming and grid-following converters;
- Inertia emulation in power converters.
Prof. Dr. Marco Liserre
Dr. Federico Cecati
Guest Editors
Manuscript Submission Information
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Keywords
- grid forming
- voltage support
- transient stability
- current limitation strategy
- large-signal stability
- small-signal stability
- low voltage ride through
- power synchronization
- grid-connected converters
- virtual inertia
