Generic EMT Model for Real-Time Simulation of Large Disturbances in 2 GW Offshore HVAC-HVDC Renewable Energy Hubs

Journal Article (2021)
Author(s)

Saran Ganesh (Student TU Delft)

Arcadio Perilla (TU Delft - Intelligent Electrical Power Grids)

Jose Rueda Torres (TU Delft - Intelligent Electrical Power Grids)

Peter Palensky (TU Delft - Intelligent Electrical Power Grids)

Aleksandra Lekic (TU Delft - Intelligent Electrical Power Grids)

Mart van der Meijden (TenneT TSO B.V., TU Delft - Intelligent Electrical Power Grids)

DOI related publication
https://doi.org/10.3390/en14030757 Final published version
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Publication Year
2021
Language
English
Journal title
Energies
Issue number
3
Volume number
14
Article number
757
Pages (from-to)
1-30
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329
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Abstract

This paper proposes a Electro-Magnetic Transient (EMT) model of a 2 GW offshore network with the parallel operation of two Modular Multi-level Converter (MMC)—High Voltage Direct Current (HVDC) transmission links connecting four Offshore Wind Farms (OWFs) to two onshore systems, which represent a large scale power system. Additionally, to mitigate the challenges corresponding to voltage and frequency stability issues in large scale offshore networks, a Direct Voltage Control (DVC) strategy is implemented for the Type-4 Wind Generators (WGs), which represent the OWFs in this work. The electrical power system is developed in the power system simulation software RSCAD™, that is suitable for performing EMT based simulations. The EMT model of 2 GW offshore network with DVC in Type-4 WGs is successfully designed and it is well-coordinated between the control structures in MMCs and WGs.