Dynamic Frequency Support for Low Inertia Power Systems by Renewable Energy Hubs with Fast Active Power Regulation
José Rueda Torres (TU Delft - Electrical Engineering, Mathematics and Computer Science)
Nidarshan Veera Kumar (TU Delft - Electrical Engineering, Mathematics and Computer Science)
Elyas Rakhshani (TU Delft - Electrical Engineering, Mathematics and Computer Science)
Zameer Ahmad (TU Delft - Electrical Engineering, Mathematics and Computer Science)
Ebrahim Adabi (TU Delft - Electrical Engineering, Mathematics and Computer Science)
Peter Palensky (TU Delft - Electrical Engineering, Mathematics and Computer Science)
Mart van der Meijden (TU Delft - Electrical Engineering, Mathematics and Computer Science, 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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