This study investigates the Low Voltage Ride-Through (LVRT) capabilities of grid-connected photovoltaic (PV) systems, focusing on the comparative performance of Grid-Following (GFL) and Grid-Forming (GFM) converters under current limit constraints.
Zainab M. Almesri +2 more
doaj +1 more source
Distributed Secondary Frequency Control through MTDC Transmission Systems
In this paper, we present distributed controllers for sharing primary and secondary frequency control reserves for asynchronous AC transmission systems, which are connected through a multi-terminal HVDC grid.
Andersson, Göran +4 more
core +2 more sources
A multifunctional dynamic voltage restorer for power quality improvement [PDF]
Power quality is a major concern in electrical power systems. The power quality disturbances such as sags, swells, harmonic distortion and other interruptions have an impact on the electrical devices and machines and in severe cases can cause serious ...
Dung, Vo Tien +2 more
core +1 more source
Grid-Forming: A Control Approach to Go Further Offshore?
Offshore wind farms are increasingly being commissioned farther from shore, and high voltage alternating current (HVAC) transmission systems are preferred because of their maturity and reliability.
Rui Alves +2 more
doaj +1 more source
Power System Oscillations with Different Prevalence of Grid-Following and Grid-Forming Converters
The oscillatory behaviour of the power system is an aspect that is significantly affected by the increasing integration of converter-based generation sources.
Rossano Musca +2 more
doaj +1 more source
A review on flicker-free ac-dc LED drivers for single-phase and three-phase ac power grids [PDF]
Light-Emitting Diodes (LEDs) are coming strongly into the lighting market due to their advantages over conventional lighting solutions: energy efficient, controllable in both light and color, long lifetime, lack of a warm-up period and high power density.
Arias Pérez de Azpeitia, Manuel +5 more
core +2 more sources
Grid Forming Control for Power Converters Based on an Inertial Phase Locked Loop (IPLL)
Inertia emulation is claimed to play a decisive role in the regulation and management of frequency in modern electrical systems. The support offered by renewable energy power plants and distributed generators is key to diminish the rate of change of ...
Andres Tarraso +4 more
doaj +1 more source
Comparison of multiple stage braking circuits for wind driven generators [PDF]
This paper presents multiple stage braking circuits for wind turbines with a permanent magnet synchronous generator. The system combines both passive converter circuit coupled to a resistive braking circuit.
Valchev, Vencislav Cekov +2 more
core +1 more source
Dynamic Interaction and Stability Analysis of Grid-following Converter Integrated Into Weak Grid
The grid-connected converter with grid-following control (GCC-GFL) for renewable energy sources has a risk of instability when integrated into the weak grid. This paper aims to investigate the dynamic interactions and stability characteristics of the GCC-
Shuang Li +5 more
doaj +1 more source
Active power losses distribution methods for the modular multilevel converter [PDF]
Modular Converters such as the MMC have become the new standard in VSC-HVDC applications. Their modularity has brought many industrial advantages but also increased the complexity of their operation.
Merlin, MMC, Mitcheson, PD
core +1 more source

