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The Stability Performance Enhancement of Grid-Connected Inverters in Weak Grid
The thesis presents an integrated estimation and control framework to enhance the stability, synchronisation, and fault ride-through capabilities of grid-following (GFL) inverters in critically weak grids. To overcome conventional Phase-Locked Loop (PLL) instability under high grid impedance, the research proposes a Modified Virtual Impedance-PLL (MVI ...openaire +1 more source
Hardware Demonstration of Weak Grid Oscillations in Grid-Following Converters
2021 North American Power Symposium (NAPS), 2021Li Bao +3 more
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Hybrid power plant control in weak grids: grid following vs. grid forming
IET Conference ProceedingsThis paper studies the performance of grid-following and grid-forming controllers utilized as asset level control in Hybrid Power Plants (HPPs) while connecting to weak grid. In this regard, the overall configuration of HPP consisting of wind, solar and battery energy storage system has been simulated in time domain, using PSCAD software.
Shahnazian, Fatemeh +3 more
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Modelling VSCs connected to weak grids
2019This paper addresses the oscillatory stability phenomena studied in the literature and reported by network operators in grid-connected VSC systems. Negative interactions have been observed at different frequencies in these systems, causing the tripping of power converters (e.g. wind turbines or HVDC applications). The interaction between the controller
Orellana Montaño, Luis Carlos +4 more
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International Journal of Electrical Power and Energy Systems, 2023
Linfei Yin, Gaoxiang Li, Xiao Liu
exaly
Linfei Yin, Gaoxiang Li, Xiao Liu
exaly
Small-Signal Model and Stability Control for Grid-Connected PV Inverter to a Weak Grid
Energies, 2021Haoyu Li, Xuemei Zheng, Yanxue Yu
exaly