Results 11 to 20 of about 1,592 (263)

On Grid-Interactive Smart Inverters: Features and Advancements

open access: yesIEEE Access, 2020
Traditionally, a grid-interactive inverter providing ancillary services is called a smart inverter. However, broader features will be required for the next generation of inverters that can be categorized as self-governing, self-adapting, self-security ...
Behrooz Mirafzal, Aswad Adib
doaj   +1 more source

Control of Grid-Following Inverters Under Unbalanced Grid Conditions

open access: yesIEEE Transactions on Energy Conversion, 2020
This paper proposes a new control scheme to eliminate the 3rd harmonic in the output currents of grid-following inverters under unbalanced grid conditions. Unbalanced grids adversely affect the performance of grid-following inverters due to the oscillations appearing on the DC-link voltage with a frequency twice the line frequency.
Seyed Fariborz Zarei   +5 more
openaire   +2 more sources

Grid Forming Inverters: A Review of the State of the Art of Key Elements for Microgrid Operation

open access: yesEnergies, 2022
In the past decade, inverter-integrated energy sources have experienced rapid growth, which leads to operating challenges associated with reduced system inertia and intermittent power generation, which can cause instability and performance issues of the ...
Sara Anttila   +3 more
doaj   +1 more source

Impact of Solar Inverter Dynamics during Grid Restoration Period on Protection Schemes Based on Negative-Sequence Components

open access: yesEnergies, 2022
The growing penetration of renewable resources such as wind and solar into the electric power grid through power electronic inverters is challenging grid protection.
Almir Ekic, Di Wu, John N. Jiang
doaj   +1 more source

Performance evaluation of grid-following and grid-forming inverters on frequency stability in low-inertia power systems by power hardware-in-the-loop testing

open access: yesEnergy Reports, 2023
Developing advanced control functions for inverter-based resources (IBRs) to replace the inertial response of retiring synchronous generators (SGs) is progressing rapidly.
Hiroshi Kikusato   +8 more
doaj   +1 more source

Enabling Aggregation of Heterogenous Grid-Forming Inverters via Enclaved Homogenization

open access: yesIEEE Access, 2022
This paper proposes a control scheme to force homogeneity for heterogenous network of the grid-forming (GFM) inverters in power electronics dominated grid (PEDG) to enable their aggregation and coherent dynamic interaction.
Muhammad F. Umar   +2 more
doaj   +1 more source

Power hardware-in-the-loop testing for multiple inverters with virtual inertia controls

open access: yesEnergy Reports, 2023
Virtual inertia (VI) control schemes implemented in inverter-based resources (IBRs) present a promising solution for mitigating the absence of inertial response in power systems after the decommissioning of synchronous generators (SGs).
Hiroshi Kikusato   +8 more
doaj   +1 more source

Coordinated Frequency and Voltage Regulation of Grid-Following and Grid-Forming Inverters

open access: yesCoRR, 2020
In a purely inverter-based microgrid, both grid-forming (GFM) and grid-following (GFL) inverters will have a crucial role to play in frequency/voltage regulation and maintaining power sharing through their grid support capabilities. Consequently, the coordination between these two technologies becomes increasingly important for optimal system ...
Ankit Singhal   +2 more
openaire   +2 more sources

Active Power Coordination for a Large Population of Grid-Forming and Grid-Following Inverters Based on Mean Field Games Theory

open access: yesIEEE Access, 2023
In a grid with a high proportion of renewable energy, the coordinated control between grid-forming (GFM) and grid-following (GFL) inverters becomes crucial for maintaining aspects such as frequency and voltage regulation.
Nuo Xu, Xiaodong Chu, Hua Ye
doaj   +1 more source

Grid-Following Inverter-Based Resource: Numerical State–Space Modeling

open access: yesSustainability, 2023
In the pursuit of a sustainable electric power system, the integration of renewable energy sources and distributed energy resources is gradually replacing traditional power generation. These new resources are integrated into the grid via inverters, which, despite their efficient performance, present dynamic challenges to the power grid when implemented
Abdullah Alassaf   +3 more
openaire   +1 more source

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