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Generic PLL-Based Grid-Forming Control [PDF]
IEEE Transactions on Power Electronics, 2021 In grid-forming control, the swing equation of a synchronous machine is emulated by a power controller. Thereby, frequency droop, power-oscillation damping, and/or virtual inertia can be obtained. In this letter, it is shown that a phase-locked loop - which is normally grid following - can be designed so as to, in turn, emulate a generic power ...
Lennart Harnefors +2 more
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Comparison of Grid-Forming Converter Control Strategies
2021 IEEE Energy Conversion Congress and Exposition (ECCE), 2021The aim of this paper is to compare three different categories of grid-forming converter control strategies based on their structural differences, and ability to fulfill the requirements that have been recently identified by the European Network of Transmission and System Operators for Electricity (ENTSOE). Among these requirements, the ones associated
Anant Narula +2 more
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Robust Grid-Forming Control With Active Susceptance
IEEE Transactions on Power Electronics, 2023This letter proposes a grid-forming control scheme that is robust against a wide range of short-circuit ratio (SCR) of the ac grid. The approach modifies the traditional power synchronization control by adding an active susceptance loop, which enhances system damping for high stability robustness and enables to use a standard voltage-oriented vector ...
Fangzhou Zhao +5 more
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Unified Voltage Control for Grid-Forming Inverters
IEEE Transactions on Industrial ElectronicsIn this article, we propose a unified voltage control for grid-forming inverters, which enables to flexibly synthesize six commonly used voltage control methods through a universal and simple structure. The unified control scheme is composed by three loops, i.e., the voltage magnitude control, the virtual impedance control, and the voltage-reference ...
Teng Liu, Xiongfei Wang
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Grid-Forming Vector Current Control
IEEE Transactions on Power Electronics, 2022Mario Schweizer +5 more
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Towards constrained grid-forming control
2023 59th Annual Allerton Conference on Communication, Control, and Computing (Allerton), 2023Dominic Groß, Xue Lyu
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Overcurrent suppression control for grid forming inverter
IET Conference Proceedings, 2022T. Narita +4 more
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