Results 11 to 20 of about 33,441 (295)

Power systems with high renewable energy sources: A review of inertia and frequency control strategies over time [PDF]

open access: yes, 2020
Traditionally, inertia in power systems has been determined by considering all the rotating masses directly connected to the grid. During the last decade, the integration of renewable energy sources, mainly photovoltaic installations and wind power ...
Fernández Guillamón, Ana   +3 more
core   +2 more sources

A control strategy for a grid-connected virtual synchronous generator with virtual impedance

open access: yesEnergy Reports, 2023
Virtual synchronous generator (VSG) can simulate synchronous generator turning and damping characteristics, which can further improve the penetration rate of renewable energy in the grid.
Min’an Tang, Xilin Liu
doaj   +1 more source

Power‐frequency oscillation suppression algorithm for AC microgrid with multiple virtual synchronous generators based on fuzzy inference system

open access: yesIET Renewable Power Generation, 2022
In the microgrid, virtual synchronous generator technology can significantly enhance the anti‐interference characteristics of the system frequency and bus voltage, as well as solve the problems of insufficient damping and low inertia. However, the system
Liang Zhang   +5 more
doaj   +1 more source

Pole Assignment Based Auxiliary Damping Control for Renewable Generation Integrated into Power System

open access: yesZhongguo dianli, 2021
A large amount of renewable energy has changed the damping characteristics of the power system through the access of power electronic equipment, resulting in the prominent problem of low-frequency oscillation of synchronous generators, posing a threat to
Yi ZHANG   +5 more
doaj   +1 more source

Power coupling and grid-connected support control of the PV/ESS power generation system with virtual inertia

open access: yesEnergy Reports, 2023
Under virtual synchronous control, the photovoltaic energy storage grid-connected system can realize synchronous grid connection. However, the power coupling relationship between units needs to be analyzed to reduce additional operation risks and improve
Yan Peng   +4 more
doaj   +1 more source

Design and parameter analysis of an improved pre-synchronization method for multiple inverters based on virtual synchronization generator control in microgrid

open access: yesEnergy Reports, 2022
The microgrid is increasingly important because of the rapid development of renewable energy. Meanwhile, power converter is an important interface, where the stable operation of microgrid need effective inverter control strategy.
Liang Meng   +5 more
doaj   +1 more source

Frequency support characteristics of grid-interactive power converters based on the synchronous power controller [PDF]

open access: yes, 2016
Grid-interactive converters with primary frequency control and inertia emulation have emerged and are promising for future renewable generation plants because of the contribution in power system stabilization.
Remón Rodríguez, Daniel   +2 more
core   +2 more sources

Stability and Frequency Regulation of Inverters with Capacitive Inertia [PDF]

open access: yes, 2017
In this paper, we address the problem of stability and frequency regulation of a recently proposed inverter. In this type of inverter, the DC-side capacitor emulates the inertia of a synchronous generator.
De Persis, Claudio   +4 more
core   +3 more sources

Stability analysis of a grid-connected VSC controlled by SPC [PDF]

open access: yes, 2018
In the near future a large part of traditional generation based on conventional synchronous machines (SM) will be replaced by renewable generation based on voltage source converters (VSC).
Candela García, José Ignacio   +3 more
core   +1 more source

Virtual Synchronous Generator, a Comprehensive Overview

open access: yesEnergies, 2022
Renewable energy sources (RESs) are generally connected to the grid through power electronic interfaces, which generate electrical power instantaneously with little inertia.
Wenju Sang   +5 more
doaj   +1 more source

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