Synthesizing sparse and delay-robust distributed secondary frequency controllers for microgrids

S Alghamdi, J Schiffer, E Fridman - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Consensus-based control schemes experience increasing popularity in the context of
secondary frequency control in microgrids. Fundamental aspects in their practical …

Distributed secondary frequency control in microgrids: Robustness and steady-state performance in the presence of clock drifts

A Krishna, J Schiffer, J Raisch - European Journal of Control, 2020 - Elsevier
Microgrids are distributed systems with high share of inverter-interfaced renewable energy
sources where stable and reliable system operation is realized by suitably controlling the …

Wide-area oscillation damping in low-inertia grids under time-varying communication delays

S Alghamdi, U Markovic, O Stanojev, J Schiffer… - Electric Power Systems …, 2020 - Elsevier
Abstract Wide-Area Control (WAC) can be efficiently used for oscillation damping in power
systems. However, to implement a WAC, a communication network is required to transmit …

Conditions for delay-robust consensus-based frequency control in power systems with second-order turbine-governor dynamics

S Alghamdi, J Schiffer, E Fridman - 2018 IEEE Conference on …, 2018 - ieeexplore.ieee.org
Consensus-based distributed secondary frequency control schemes have the potential to
simultaneously ensure real-time frequency restoration and economic dispatch in future …

Design of secondary controllers for microgrids with the consideration of communication issues

Z Lian - 2022 - dr.ntu.edu.sg
With the increasing concerns about environmental problems, microgrid (MG) deployments
throughout the world have increased. Traditionally, a hierarchical control method is applied …

Delay-Robust Distributed Secondary Frequency Control: A Case Study

S Alghamdi, N Smith, P Aristidou… - 2019 IEEE Milan …, 2019 - ieeexplore.ieee.org
With the purpose of enabling a low-carbon future, power systems worldwide are undergoing
major transformations. These developments require new advanced control and operation …

[PDF][PDF] Secondary control in inverter-based microgrids

A Krishna - 2020 - depositonce.tu-berlin.de
The concept of microgrids is foreseen as a promising solution to tackle challenges arising
due to the increasing integration of renewable energy sources (RESs) into electric power …