A comprehensive motivation of multilayer control levels for microgrids: Synchronization, voltage and frequency restoration perspective

R Jackson, SA Zulkifli, M Benbouzid, S Salimin… - Applied Sciences, 2020 - mdpi.com
The current paradigm in integrating intermittent renewable energy sources into microgrids
presents various technical challenges in terms of reliable operation and control. This paper …

Virtual synchronous generators for voltage synchronization of a hybrid PV-diesel power system

A Belila, Y Amirat, M Benbouzid, EM Berkouk… - International Journal of …, 2020 - Elsevier
To ensure the synchronization process in a hybrid PV-Diesel generation system parallel
topology, a phase-locked loop is generally used to estimate the angular frequency of the …

Assessing the use of reinforcement learning for integrated voltage/frequency control in AC microgrids

A Younesi, H Shayeghi, P Siano - Energies, 2020 - mdpi.com
The main purpose of this paper is to present a novel algorithmic reinforcement learning (RL)
method for damping the voltage and frequency oscillations in a micro-grid (MG) with …

Presynchronous grid‐connection strategy of virtual synchronous generator based on virtual impedance

G Zhang, J Yang, H Wang, J Cui - Mathematical Problems in …, 2020 - Wiley Online Library
The virtual synchronous generator (VSG) technology of inverter is widely used to provide the
inertia and damping support for power system. However, an additional measurement device …

[HTML][HTML] A control strategy for a grid-connected virtual synchronous generator with virtual impedance

X Liu - Energy Reports, 2023 - Elsevier
Virtual synchronous generator (VSG) can simulate synchronous generator turning and
damping characteristics, which can further improve the penetration rate of renewable energy …

Adjustable inertia implemented by bidirectional power converter in hybrid AC/DC microgrid

Z Lv, Y Zhang, Y Xia, W Wei - IET Generation, Transmission & …, 2020 - Wiley Online Library
Hybrid AC/DC microgrid is regarded as a low inertia system due to the extensive integration
of renewable energy sources. Thus, the AC bus frequency and DC bus voltage are easily …

Current sensor-less virtual synchronous generator model predictive control based on sliding mode observer

Y Li, W Li, L Guo, N Jin, F Lu - IEEE Access, 2021 - ieeexplore.ieee.org
In recent years, virtual synchronous generator (VSG) control algorithm has been widely
studied in distributed grid-connected power inverters to deal with active and reactive power …

An adaptive multi‐mode switching control strategy to improve the stability of virtual synchronous generator with wide power grid strengths variation

Z Liu, L Qin, Y Zhou, X Lei, C Huangfu… - IET Generation …, 2023 - Wiley Online Library
With the increasing proportion of renewable power generations in the power system, the
power grid impedance may fluctuate greatly, and it is difficult for the virtual synchronous …

Damping Formation Mechanism and Damping Injection of Virtual Synchronous Generator Based on Generalized Hamiltonian Theory

Y Zeng, J Qian, F Yu, H Mei, S Yu - Energies, 2021 - mdpi.com
Invertor as a virtual synchronous generator (VSG) to provide virtual inertia and damping can
improve the stability of a microgrid, in which the damping is one of the fundamental …

Inertia control of hybrid AC/DC microgrid using supercapacitors

T Jithin, T Rajeev, S Jithin - 2022 Second International …, 2022 - ieeexplore.ieee.org
Hybrid Microgrids supersede traditional AC Micro-grids as they eliminate inverting
equipment and reduce power losses caused by the AC/DC converters. Hybrid grids also …