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Revisiting Grid-Forming and Grid-Following Inverters: A Duality Theory [PDF]
IEEE Transactions on Power Systems, 2022 Power electronic converters for integrating renewable energy resources into power systems can be divided into grid-forming and grid-following inverters. They possess certain similarities, but several important differences, which means that the relationship between them is quite subtle and sometimes obscure.
Yitong Li, Yunjie Gu, T C Green
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Comparative Impedance Characteristic Analysis of Grid‐Following and Grid‐Forming Inverters
IET Renewable Power Generation, 2023 This paper comprehensively analyses the impedance characteristics of grid‐following (GFL) and grid‐forming (GFM) inverters at around synchronous frequency areas considering various operating and grid connection conditions and control settings.
Yonggang Zhang +3 more
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Power-Synchronized Grid-Following Inverter Without a Phase-Locked Loop [PDF]
IEEE Access, 2021 This paper proposes a power-synchronized control strategy for grid-following inverters (GFLIs) to regulate their power exchange with the grid without any need for sensing/regulating the point of connection voltage.
Behrooz Bahrani
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Performance analysis of grid-forming inverters in existing conformance testing
Energy Reports, 2022 Grid-forming (GFM) inverters are promising technologies in future power systems. Although the voltage-source characteristic of the GFM inverter has been validated to enhance the stabilities in low-inertia power systems, modifying protective function ...
Hiroshi Kikusato +8 more
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Energies, 2023 Intelligent inverters have the capability to interact with the grid and supply supplemental services. Solar inverters designed for the future will have the ability to self-govern, self-adapt, self-secure, and self-heal themselves.
Shriram S. Rangarajan +5 more
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Transient Stability of Paralleled Virtual Synchronous Generator and Grid-following Inverter
IEEE Transactions on Smart Grid, 2022 <p>The majority of inverter-based resources (IBRs) currently operate as grid-following inverters (GFLIs). These inverters exhibit certain stability issues when integrated in low-strength areas of the grid. To enhance the grid strength in a GFLI-dominant area, virtual synchronous generators (VSGs) are installed.
Si Phu Me +4 more
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Power Hardware-in-the-Loop (PHIL): A Review to Advance Smart Inverter-Based Grid-Edge Solutions
Energies, 2023 Over the past decade, the world’s electrical grid infrastructure has experienced rapid growth in the integration of grid-edge inverter-based distributed energy resources (DERs).
Annette von Jouanne +2 more
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An Observer-Based Current Sensor-Less Control Scheme for Grid-Following Converters
Applied Sciences, 2022 Distributed energy resources based on grid-following inverters are the dominant part of future modern power systems. To achieve a higher performance, the reliability enhancements and cost reductions of such inverters are the most important demands.
Mohamad Amin Ghasemi +4 more
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Energies, 2023 The major problem associated with the grid-connected solar photovoltaic (PV) system is the integration of the generated DC power into the AC grid and maintaining the stability of the system. With advancements in research on these PV inverters, artificial
Sai Nikhil Vodapally, Mohd Hasan Ali
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On Grid-Interactive Smart Inverters: Features and Advancements
IEEE 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
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