Control Strategy to Mitigate Voltage Ripples in Droop-Controlled DC
In this article, we propose the droop-based frequency-selective impedance control (dFSIC)—a primary level control strategy that is specifically designed for a regular droop-controlled
Study on a hybrid algorithm for accurate ripple detection in DC
In order to improve the power quality of the DC microgrids and realize high‐accuracy ripple detection on the DC side, this paper proposed a hybrid algorithm for ripple detection based on
Distributed Secondary Control of DC Microgrids for Ripple Attenuation
Simulation results on a six bus DC microgrid under varying load conditions confirm significant improvements in voltage stability, reduction of generation costs, and effective ripple
Minimizing Voltage Ripple of a DC Microgrid via a Particle-Swarm
This study focuses on minimizing output voltage ripple in a DC microgrid, including power supply resources, a stochastic load, a ballast load, and a stabilizer.
Control Methodologies to Mitigate and Regulate Second-Order
Present control methodologies adopted in distributed power generation systems such as a DC microgrid to manage the ripple distribution among the sources. Present and discuss the issues due to the
A novel low frequency current ripple suppression method for energy
The generation mechanism of SHC on the DC side of the energy storage system is introduced. Meanwhile, the suppression effect of traditional DL control method on SHC and its
Minimizing Voltage Ripple of a DC Microgrid via a Particle-Swarm
The first part of this function focuses on minimizing the square value of the ripple, guiding the controller to generate signals that activate the EV battery and supercapacitor, assisting the
Power quality of DC microgrid: Index classification, definition
The paper also combines typical DC microgrid cases, derives the quantitative relationship between indicators and related parameters based on the definition of indicators, analyzes the
Robust Control Techniques for Virtual Impedance Shaping to Mitigate
In this thesis, various robust virtual impedance methodologies have been proposed for DC Microgrid and single-stage inverter applications. The proposed methodologies are implemented through control
Impedance Model Based Coordination Control of Secondary Ripple in
Abstract: The connection of single-phase AC loads to a DC microgrid not only large secondary currents flowing into energy storage units with droop control cause, but also lead to secondary voltage ripples