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Grid-Following and Grid-Forming Converter Control Comparison Under Fault Conditions
2021 IEEE 12th Energy Conversion Congress & Exposition - Asia (ECCE-Asia), 2021Traditionally control of grid-connected converters is based on a grid-following structure, where a Phase Locked Loop is responsible for tracking the angle of the AC grid. However, such control structure leads to stability problems for weak and low inertia grids. Then, a grid-forming control structure is presented as a potential solution.
Carlos Collados-Rodriguez +4 more
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2020 IEEE PES Innovative Smart Grid Technologies Europe (ISGT-Europe), 2020
With increasing shares of power electronics-based generation in power grids, grid-following converters may become unstable during faults, resulting from a loss of phase-locked loop (PLL) synchronism. Even when current grid code low voltage ride through (LVRT) requirements are met, PLLs may still become unstable under high shares of grid-following ...
Xianxian Zhao, Damian Flynn
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With increasing shares of power electronics-based generation in power grids, grid-following converters may become unstable during faults, resulting from a loss of phase-locked loop (PLL) synchronism. Even when current grid code low voltage ride through (LVRT) requirements are met, PLLs may still become unstable under high shares of grid-following ...
Xianxian Zhao, Damian Flynn
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International Journal of Circuit Theory and Applications
ABSTRACTThe increasing penetration of renewable energy challenges single‐converter systems to simultaneously provide transient support and rapid response. Hybrid microgrids integrating grid‐forming (GFM) and grid‐following (GFL) converters are thus essential for dual‐high power systems.
Meng Huang +4 more
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ABSTRACTThe increasing penetration of renewable energy challenges single‐converter systems to simultaneously provide transient support and rapid response. Hybrid microgrids integrating grid‐forming (GFM) and grid‐following (GFL) converters are thus essential for dual‐high power systems.
Meng Huang +4 more
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Hardware Demonstration of Weak Grid Oscillations in Grid-Following Converters
2021 North American Power Symposium (NAPS), 2021Li Bao +3 more
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Nonlinear Dynamic Model of System with Grid-following Converter and Grid-forming Converter
2022 Asia Power and Electrical Technology Conference (APET), 2022Jiawang Xiong +4 more
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System Characteristics of Grid-Forming and Grid-Following Converter Systems
2023 25th European Conference on Power Electronics and Applications (EPE'23 ECCE Europe), 2023Struwe, Julian +2 more
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Assessing Maximal Capacity of Grid-Following Converters With Grid Strength Constraints
IEEE Transactions on Sustainable Energy, 2022Hui Yuan +6 more
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Designing a Control Library for Grid-following and Grid-forming Power Converters
As a result of the energy transition, more and more power converters will be required in the future, which will lead to distributed energy generation across all voltage levels. Amongst others, these power converters take on tasks, such forming a grid or being capable of black starting.Lindner, Lars +5 more
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