Stability Assessment and Simplified Control Strategy for DC Microgrids with Constant Power Load

R Krishan, Y Rohith, MP Kumar - 2024 IEEE Power & Energy …, 2024 - ieeexplore.ieee.org
Dynamic performance of the DC microgrid is seriously affected due to negative impedance
characteristics of the constant power loads (CPL). It deteriorates the system damping …

Load and Generation Converters Control Strategy to Enhance the Constant Power Load Stability Margin in a DC Microgrid

R Krishan, Y Rohith - IEEE Access, 2024 - ieeexplore.ieee.org
Integrating Constant Power Loads (CPL) in a DC microgrid generates a virtual negative
impedance that may lead to system instability. CPL deteriorates the system damping, which …

Adaptive negative impedance strategy for stability improvement in DC microgrid with constant power loads

R Kumar, R Sharma, A Kumar - Computers & Electrical Engineering, 2021 - Elsevier
This paper presents a novel adaptive-based negative impedance strategy to solve the
stability issue of DC microgrids with constant power loads (CPL). It is well known that …

Modeling of Energy Source in DC Microgrids with Voltage Regulation Capability

N Ghanbari, S Bhattacharya - 2021 IEEE 12th International …, 2021 - ieeexplore.ieee.org
DC microgrids gain interests due to the increase in the penetration of renewable resources
with DC nature. In DC microgrids, renewable resources are connected in parallel to the DC …

Comparative study of control strategies for stabilization and performance improvement of DC Microgrids with a CPL connected

IV de Bessa, RLP de Medeiros, I Bessa… - Energies, 2020 - mdpi.com
The DC microgrid system is composed by converters that operate like feeders and loads.
Among these loads, we highlight the constant power loads (CPLs) that may cause instability …

Investigation and assessment of stabilization solutions for DC microgrid with dynamic loads

AMEI Mohamad, YARI Mohamed - IEEE Transactions on Smart …, 2019 - ieeexplore.ieee.org
Several studies have been conducted to investigate the interaction dynamics of direct
current (dc) microgrids supplying tightly regulated converters, which behave as constant …

A virtual negative inductor stabilizing strategy for DC microgrid with constant power loads

S Liu, P Su, L Zhang - IEEE Access, 2018 - ieeexplore.ieee.org
In this paper, a novel virtual negative inductor stabilizing strategy is proposed for the dc
microgrid with constant power loads. It is known that in the dc-based power system, the …

Impedance-model-based stability analysis of DC microgrid

G Lin, Z Wang, G Huang, Y Li, C Li… - IECON 2017-43rd …, 2017 - ieeexplore.ieee.org
In DC microgrid, it is common that constant power loads (CPLs) exhibit negative impedance
characteristics, which degrades the stability margin of the whole system. This paper focuses …

Research on voltage stabilityand optimal operation of DC microgrid

S Chen, Z Zhang, Z Zhang, T Li - 8th Renewable Power …, 2019 - ieeexplore.ieee.org
At present, in the distribution network consisting of DC power sources such as PV array,
energy storage systems (ESS), data centers and charging, it is an ideal way to select a DC …

Augmentation of state feedback control and integral action for stabilization issues in islanded DC microgrid

NK Baghel, T Kobaku, R Jeyasenthil… - … on Power Electronics …, 2022 - ieeexplore.ieee.org
When the switched-mode power electronic converters are tightly regulated with feedback
control, they exhibit negative incremental impedance due to Constant Power Loads (CPLs) …