Dynamic Frequency Support for Low Inertia Power Systems by Renewable Energy Hubs with Fast Active Power Regulation
José Luis Rueda Rueda (TU Delft - Intelligent Electrical Power Grids)
Nidarshan Veerakumar (TU Delft - Intelligent Electrical Power Grids)
Elyas Rakhshani (TU Delft - Intelligent Electrical Power Grids)
Zameer Ahmad (TU Delft - Photovoltaic Materials and Devices)
Ebrahim Ebrahim Adabi (TU Delft - Intelligent Electrical Power Grids)
Peter Palensky (TU Delft - Intelligent Electrical Power Grids)
M. A.M.M. van der Meijden (TU Delft - Intelligent Electrical Power Grids, TenneT TSO B.V.)
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Abstract
This paper concerns the feasibility of Fast Active Power Regulation (FAPR) in renewable energy hubs. Selected state-of-the-art FAPR strategies are applied to various controllable devices within a hub, such as a solar photovoltaic (PV) farm and an electrolyzer acting as a responsive load. Among the selected strategies are droop-based FAPR, droop derivative-based FAPR, and virtual synchronous power (VSP)-based FAPR. The FAPR-supported hub is interconnected with a test transmission network, modeled and simulated in a real-time simulation electromagnetic transient (EMT) environment to study a futuristic operating condition of the high-voltage infrastructure covering the north of the Netherlands. The real-time EMT simulations show that the FAPR strategies (especially the VSP-based FAPR) can successfully help to significantly and promptly limit undesirable large instantaneous frequency deviations.
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