Development of scale equipment based on MMCs (Modular Multilevel Converters) that validate control algorithms of evacuation technology at HVDC offshore wind farms for VSC-HVDC multiple terminal bonds and meshed grids.
This project, carried out by the UNSW Australian university, develops a system configurable as a three-phase MMC converter of 20kW with 8 sub-modules for each arm per phase-leg or 2 three-phase MMC converters of 10 kW with 4 sub-modules for each arm per phase-leg, whose maximum DC current is 800V.
The highest level of control of the equipment lies in the HIL (Hardware -In-the-Loop) system whilst the lower level of control is distributed in the different power modules.
Its communications system is based on PON (Passive Optical Network) technology, enabling extremely precise synchronisation between modules whilst facilitating the scalability of the system.
The fact that this system is scalable in modules and therefore in power makes it suitable for HVDC evacuation at offshore wind farms.
