Hierarchical control for virtual oscillator based grid-connected and islanded microgrids

MA Awal, H Yu, H Tu, SM Lukic… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
Virtual oscillator control (VOC) is a nonlinear time domain controller that achieves
significantly faster primary control response in islanded microgrids, compared to droop or …

Selective harmonic current rejection for virtual oscillator controlled grid-forming voltage source converters

MA Awal, H Yu, I Husain, W Yu… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Virtual oscillator control (VOC) is a nonlinear grid-forming controller that simultaneously
achieves the functionality of output voltage control and primary control layers in a power …

Stability analysis and decentralized control of inverter-based ac microgrid

M Farokhian Firuzi, A Roosta, M Gitizadeh - Protection and Control of …, 2019 - Springer
This work considers the problem of decentralized control of inverter-based ac micro-grid in
different operation modes. The main objectives are to (i) design decentralized frequency and …

Review of small-signal converter-driven stability issues in power systems

L Kong, Y Xue, L Qiao, F Wang - IEEE Open Access Journal of …, 2021 - ieeexplore.ieee.org
New grid devices based on power electronics technologies are increasingly emerging and
introduce two new types of stability issues into power systems, which are different from …

Passivity-oriented discrete-time voltage controller design for grid-forming inverters

H Yu, MA Awal, H Tu, Y Du, S Lukic… - 2019 IEEE Energy …, 2019 - ieeexplore.ieee.org
Passivity theory provides a promising approach to guarantee microgrid system stability. If all
converters in the system can be made passive, prevention of electrical resonance can be …

Passivity-Based Predictive-Resonant Current Control for Resonance Damping in LCL-Equipped VSCs

MA Awal, W Yu, I Husain - IEEE Transactions on Industry …, 2019 - ieeexplore.ieee.org
In this article, we propose a frequency-domain passivity-based damping controller combined
with predictive current control for LCL-filter-equipped voltage source converters (VSCs) …

Passivity-based stability analysis of parallel single-phase inverters with hybrid reference frame control considering PLL effect

Y Han, M Yang, P Yang, L Xu, F Blaabjerg - International Journal of …, 2022 - Elsevier
The passivity-based stability criterion (PBSC) is an effective tool to analyze the interactive
stability issues between the multi-parallel inverters and the grid. However, when using the …

Enhanced IDA-PBC applied to a three-phase PWM rectifier for stable interfacing between AC and DC microgrids embedded in more electrical aircraft

M Lapique, S Pang, JP Martin… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
To cope with future goal of efficiency, next generation of more electrical aircraft is likely to
embed reconfigurable microgrid for the primary electrical distribution. The stability analysis …

Observer based admittance shaping for resonance damping in voltage source converters with LCL filter

MA Awal, H Yu, L Della Flora, W Yu… - 2019 IEEE Energy …, 2019 - ieeexplore.ieee.org
An observer based resonance damping controller is proposed for voltage source converters
(VSCs) with LCL input filter connected to any arbitrary AC network. In prior art, design and …

A virtual impedance scheme for voltage harmonics suppression in virtual oscillator controlled islanded microgrids

H Yu, MA Awal, H Tu, Y Du, S Lukic… - 2020 IEEE Applied …, 2020 - ieeexplore.ieee.org
Virtual oscillator control (VOC) is a promising nonlinear grid-forming control for AC
microgrids that has gained increasing interest. This paper unveiled the strong harmonics …