Analysis of non-uniform grid-forming control techniques for the HVDC connection of renewable energy

Adrián Beneit-Barajas, Patricia Penades-Huesca and Jaime Martínez-Turégano

Mathematics and Computers in Simulation (MATCOM), 2025, vol. 229, issue C, 1-14

Abstract: Grid-forming control techniques are required to achieve a high penetration of power electronics-based renewable energy sources for decarbonized electric systems. However, different grid-forming control strategies can operate in the same grid, and grid stability shall be warranted. This paper analyses the use of different grid-forming control strategies for diode rectifier-based wind power plants. The analysed grid-forming controllers are the well-known droop control, an advanced droop control, and the virtual synchronous machine control. The controllers’ analysis validates the three grid-forming controllers’ interoperability, identifying each control parameter’s contribution to the stability of each system state variable. Furthermore, the analysis allows a better tuning of the control parameters. Additionally, a fault-ride-through strategy that improves the system restoration after faults is proposed and validated. The proposed fault-ride-through strategy achieves a soft restoration of the active power.

Keywords: Grid-forming; Droop; Virtual synchronous machine; Offshore wind power plants; Diode-rectifier (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:eee:matcom:v:229:y:2025:i:c:p:1-14

DOI: 10.1016/j.matcom.2024.09.014

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