Hierarchical control in islanded DC microgrids with flexible structures

P Nahata, A La Bella, R Scattolini… - IEEE transactions on …, 2020 - ieeexplore.ieee.org
Hierarchical architectures stacking primary, secondary, and tertiary layers are widely
employed for the operation and control of islanded dc microgrids (dcmGs) composed of …

Existence and stability of equilibrium of DC Micro-grid under master-slave control

Z Liu, R Liu, Z Xia, M Su, X Deng… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
In this paper, we analyze the existence and stability of equilibrium of dc micro-grids under
the master-slave control (where some distributed generations (DGs) are under droop control …

Robust performance satisfaction of DC microgrids using a decentralized optimal voltage control strategy

M Shafiee-Rad, MS Sadabadi, Q Shafiee… - IEEE Systems …, 2021 - ieeexplore.ieee.org
In this article, a decentralized scalable voltage control approach for islanded dc microgrids
with a general structure is proposed. The microgrid system under study comprises several …

Stability analysis of microgrid islanding transients based on interconnected dissipative subsystems

MH Roos, PH Nguyen, J Morren… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
To ensure successful islanding of microgrids after a fault has occurred, the transient stability
should be analyzed under a set of expected operating conditions during the design and …

A symbolic approach to voltage stability and power sharing in time-varying DC microgrids

D Zonetti, A Saoud, A Girard… - 2019 18th European …, 2019 - ieeexplore.ieee.org
In this paper we address the problem of voltage stability and power sharing in DC microgrids
with time-varying power demand. By exploiting the monotonicity property enjoyed by the …

A behavioural dynamic model for constant power loads in single-phase AC systems

R Griñó, R Ortega, E Fridman, J Zhang, F Mazenc - Automatica, 2021 - Elsevier
Constant power loads (CPLs) in power systems have a destabilizing effect that gives rise to
significant oscillations or to network collapse, motivating the development of new methods to …

Stability of multimicrogrids: new certificates, distributed control, and Braess's paradox

A Gholami, XA Sun - IEEE Transactions on Control of Network …, 2021 - ieeexplore.ieee.org
This article investigates the theory of resilience and stability in multimicrogrid (multi-G)
networks. We derive new sufficient conditions to guarantee small-signal stability of multi-Gs …

Effect of the dynamics of the MTDC power system on DC voltage oscillation stability

Q Fu, W Du, H Wang, X Xiao - IEEE Transactions on Power …, 2022 - ieeexplore.ieee.org
Ignoring parts of the dynamics of a multiterminal DC (MTDC) power system can simplify its
stability analysis but may miss some instability risks in the analyzed results. This study …

DC power grids with constant-power loads—Part II: Nonnegative power demands, conditions for feasibility, and high-voltage solutions

M Jeeninga, C De Persis… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
In this two-part article, we develop a unifying framework for the analysis of the feasibility of
the power flow equations for dc power grids with constant-power loads. Part II of this article …

Large-Signal Stability Analysis of AC Micro-Grid Under Quadratic Droop Control

Z Liu, L Huang, Z Xia, X Liu, H Han… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Quadratic droop control is an innovative control strategy for power network, aiming to
respect the inherently quadratic nature of reactive power flow. However, the system stability …