Grid-forming converters: Control approaches, grid-synchronization, and future trends—A review
In the last decade, the concept of grid-forming (GFM) converters has been introduced for
microgrids and islanded power systems. Recently, the concept has been proposed for use in …
microgrids and islanded power systems. Recently, the concept has been proposed for use in …
Fundamentals of power systems modelling in the presence of converter-interfaced generation
This survey paper discusses the fundamentals of power systems modelling in the presence
of large amounts of converter-interfaced generation (CIG). By referring to real-life events …
of large amounts of converter-interfaced generation (CIG). By referring to real-life events …
Understanding small-signal stability of low-inertia systems
Large-scale integration of renewable generation, usually interfaced to the network through
power electronics, has led to drastic changes in power system dynamics. This paper …
power electronics, has led to drastic changes in power system dynamics. This paper …
Frequency stability of synchronous machines and grid-forming power converters
An inevitable consequence of the global power system transition toward nearly 100%
renewable-based generation is the loss of conventional bulk generation by synchronous …
renewable-based generation is the loss of conventional bulk generation by synchronous …
Current limiting algorithms and transient stability analysis of grid-forming VSCs
This paper consists first in comparing the well-known virtual impedance and current
saturation algorithms in case of a three-phase short circuit. During the fault, the virtual …
saturation algorithms in case of a three-phase short circuit. During the fault, the virtual …
Grid-forming control for solar PV systems with power reserves
This paper presents a grid-forming control (GFC) scheme for two-stage photovoltaic (PV)
systems that maintains power reserves by operating below the maximum power point (MPP) …
systems that maintains power reserves by operating below the maximum power point (MPP) …
Critical clearing time determination and enhancement of grid-forming converters embedding virtual impedance as current limitation algorithm
This article deals with the postfault synchronization of a voltage source converter based on
the droop control. In the case of large disturbances on the grid, the current is limited via …
the droop control. In the case of large disturbances on the grid, the current is limited via …
Control of low-inertia power systems
Electric power systems are undergoing an unprecedented transition from fossil fuel–based
power plants to low-inertia systems that rely predominantly on power electronics and …
power plants to low-inertia systems that rely predominantly on power electronics and …
On the implementation of an FRT strategy for grid-forming converters under symmetrical and asymmetrical grid faults
Recent studies have shown the potential benefits of grid-forming (GFM) converters and their
capability of stabilizing a power system with high penetration of power electronics-based …
capability of stabilizing a power system with high penetration of power electronics-based …
A PLL-free grid-forming control with decoupled functionalities for high-power transmission system applications
This paper proposes a grid-forming control strategy with a generic implementation approach
to meet the transmission system requirements asking for the massive integration of power …
to meet the transmission system requirements asking for the massive integration of power …