Simultaneous optimization of virtual synchronous generators parameters and virtual impedances in islanded microgrids

B Pournazarian, R Sangrody… - … on Smart Grid, 2022 - ieeexplore.ieee.org
An islanded microgrid (MG) including low-inertia converter-based distributed generations
(DGs) is subjected to instability. The virtual inertia concept was proposed to alleviate the …

A novel control strategy based on an adaptive fuzzy model predictive control for frequency regulation of a microgrid with uncertain and time-varying parameters

M Negahban, MV Ardalani, M Mollajafari… - IEEE …, 2022 - ieeexplore.ieee.org
The intermittent and uncertain behavior of renewable energy sources; moreover, the
increase in penetration of these resources causes some drawbacks in power grids …

Virtual impedances optimization to enhance microgrid small-signal stability and reactive power sharing

B Pournazarian, SS Seyedalipour, M Lehtonen… - IEEE …, 2020 - ieeexplore.ieee.org
Microgrid instability poses critical issues to the power delivery following a load change or a
tripping event. In island operating mode lack of grid intensifies this challenge. This study …

Emulating rotational inertia of synchronous machines by a new control technique in grid-interactive converters

M Saeedian, B Pournazarian, SS Seyedalipour… - Sustainability, 2020 - mdpi.com
Integration of renewable energy sources (RESs) into power systems is growing due to eco-
friendly concerns and ever-increasing electricity demand. Voltage source converters (VSCs) …

Frequency stabilization and synchronization between grid and AC microgrid

S Acharya, DV Kumar - Electric Power Systems Research, 2024 - Elsevier
A 63-level inverter with fewer switches is proposed to reduce harmonics in the multi-
microgrid scenario. Since the multi-microgrid is connected with varying loads, synchronizing …

Employing virtual synchronous generator with a new control technique for grid frequency stabilization

M Saeedian, B Eskandari, K Rouzbehi… - … on Power Electronics …, 2020 - ieeexplore.ieee.org
This paper aims to develop a control technique for grid-interfaced voltage source converters
in distributed power generation systems. The proposed method is composed of two control …

Enhancing frequency stability of weak grids with modified distributed virtual inertia method

M Saeedian, B Pournazarian… - 2020 IEEE 11th …, 2020 - ieeexplore.ieee.org
In small-scale power systems, distributed virtual inertia (DVI)-based converters can
effectively participate in primary frequency regulation. In this method, the synthetic inertia …

Control of Power Converters for the Integration of Battery Storage Systems into Power Grids

V Komulainen - 2024 - aaltodoc.aalto.fi
The future of electrical networks worldwide is increasingly reliant on renewable energy
sources (RES), driven by their capacity to reduce carbon footprints, enhance long-term …

Stability issues for modern microgrids

I Lipuzhin - 2020 International Ural Conference on Electrical …, 2020 - ieeexplore.ieee.org
The stability assessment approach for networks with distributed generation by the voltage
magnitude at the nodes is proposed. The voltage stability margin factor is used as the main …

Optimal controller design for an islanded microgrid during load change

B Soreng, R Pradhan - … Journal of Grid and Utility Computing, 2021 - inderscienceonline.com
This paper emphasises on developing a Sliding-Mode-Controller using Whales-
Optimisation-Algorithm named as SMC-WOA technique for optimal regulation of voltage and …