Virtual oscillator grid-forming inverters: State of the art, modeling, and stability
M Lu - IEEE Transactions on Power Electronics, 2022 - ieeexplore.ieee.org
Grid-forming (GFM) inverters are dc–ac converters that regulate their ac terminal voltage and
frequency in response to real-time measurements. Recent developments on GFM controls …
frequency in response to real-time measurements. Recent developments on GFM controls …
Control and stability of grid-forming inverters: A comprehensive review
M Mirmohammad, SP Azad - Energies, 2024 - mdpi.com
The large integration of inverter-based resources will significantly alter grid dynamics,
leading to pronounced stability challenges due to fundamental disparities between inverter …
leading to pronounced stability challenges due to fundamental disparities between inverter …
Foundations and challenges of low-inertia systems
The electric power system is currently undergoing a period of unprecedented changes.
Environmental and sustainability concerns lead to replacement of a significant share of …
Environmental and sustainability concerns lead to replacement of a significant share of …
Overview of power converter control in microgrids—Challenges, advances, and future trends
As the electronic interfaces between distributed energy resources and the electrical network,
power converters play a vital role in voltage stabilization and power conversion. So far …
power converters play a vital role in voltage stabilization and power conversion. So far …
Grid-forming control for power converters based on matching of synchronous machines
We consider the problem of grid-forming control of power converters in low-inertia power
systems. Starting from an average-switch three-phase power converter model, we draw …
systems. Starting from an average-switch three-phase power converter model, we draw …
Droop-free distributed control for AC microgrids
A cooperative distributed secondary/primary control paradigm for AC microgrids is
proposed. This solution replaces the centralized secondary control and the primary-level …
proposed. This solution replaces the centralized secondary control and the primary-level …
Synthesizing virtual oscillators to control islanded inverters
Virtual oscillator control (VOC) is a decentralized control strategy for islanded microgrids
where inverters are regulated to emulate the dynamics of weakly nonlinear oscillators …
where inverters are regulated to emulate the dynamics of weakly nonlinear oscillators …
Voltage stabilization in microgrids via quadratic droop control
We consider the problem of voltage stability and reactive power balancing in islanded small-
scale electrical networks outfitted with DC/AC inverters (“microgrids”). A droop-like voltage …
scale electrical networks outfitted with DC/AC inverters (“microgrids”). A droop-like voltage …
A grid-compatible virtual oscillator controller: Analysis and design
In this paper, we present a virtual oscillator control (VOC) strategy for power inverters to
operate in either grid-connected or islanded settings. The proposed controller is based on …
operate in either grid-connected or islanded settings. The proposed controller is based on …
Modeling and control of islanded DC microgrid clusters with hierarchical event-triggered consensus algorithm
This paper proposes a distributed hierarchical control framework for energy storage systems
(ESSs) in DC microgrid clusters, which achieves voltage regulation and current sharing for …
(ESSs) in DC microgrid clusters, which achieves voltage regulation and current sharing for …