Control of low-inertia power systems

F Dörfler, D Groß - Annual Review of Control, Robotics, and …, 2023 - annualreviews.org
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 …

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 …

Foundations and challenges of low-inertia systems

F Milano, F Dörfler, G Hug, DJ Hill… - 2018 power systems …, 2018 - ieeexplore.ieee.org
The electric power system is currently undergoing a period of unprecedented changes.
Environmental and sustainability concerns lead to replacement of a significant share of …

Overview on grid-forming inverter control methods

P Unruh, M Nuschke, P Strauß, F Welck - Energies, 2020 - mdpi.com
In this paper, different control approaches for grid-forming inverters are discussed and
compared with the grid-forming properties of synchronous machines. Grid-forming inverters …

Synchronization and power sharing for droop-controlled inverters in islanded microgrids

JW Simpson-Porco, F Dörfler, F Bullo - Automatica, 2013 - Elsevier
Motivated by the recent and growing interest in smart grid technology, we study the
operation of DC/AC inverters in an inductive microgrid. We show that a network of loads and …

Synthesizing virtual oscillators to control islanded inverters

BB Johnson, M Sinha, NG Ainsworth… - … on Power Electronics, 2015 - ieeexplore.ieee.org
Virtual oscillator control (VOC) is a decentralized control strategy for islanded microgrids
where inverters are regulated to emulate the dynamics of weakly nonlinear oscillators …

Global phase and magnitude synchronization of coupled oscillators with application to the control of grid-forming power inverters

M Colombino, D Groß, JS Brouillon… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
In this paper, we explore a new approach to synchronization of coupled oscillators. In
contrast to the celebrated Kuramoto model, we do not work in polar coordinates and do not …

Uncovering droop control laws embedded within the nonlinear dynamics of van der pol oscillators

M Sinha, F Dörfler, BB Johnson… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
This paper examines the dynamics of power-electronic inverters in islanded microgrids that
are controlled to emulate the dynamics of Van der Pol oscillators. The general strategy of …

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 …

Synchronization of nonlinear oscillators in an LTI electrical power network

BB Johnson, SV Dhople, AO Hamadeh… - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
Sufficient conditions are derived for the global asymptotic synchronization of a class of
identical nonlinear oscillators coupled through a linear time-invariant network. In particular …