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conferencePaper
2019 54th International Universities Power Engineering Conference (UPEC)
DOI 10.1109/UPEC.2019.8893469
Omerdic
Emir
Osmic
Jakub
Toal
Daniel
O’Donnell
Cathal W.
Control
Control systems
Optimized production technology
PMSG
Underwater cables
Voltage control
Wind power generation
Wind speed
Wind turbines
directly interconnected
offshore
wind turbine
A New Control Algorithm for Directly Interconnected Offshore Wind Turbine Generators
A new control algorithm for Directly Interconnected offshore Wind Turbines with permanent magnet synchronous Generators (DIWTG) is presented. In the DΓWTG offshore wind park configuration, Wind Turbines with Permanent Magnet Synchronous Generators (WTPMSG) are directly connected to the offshore AC collection grid without using a power converter. The offshore AC collection grid is then connected, via a transformer, to the offshore AC transmission grid. In order to achieve maximum power point tracking, the (collective) speed of DΓWTGs is controlled by an onshore back to back converter. By measuring the active power and speed of the permanent magnet generators, wind speed at each turbine is estimated and used for calculation of the reference speed of WTPMSGs. Voltage control at the power converter side is performed in a way which allow the DΓWTGs to be operated at a constant V/f where the maximum resultant frequency at nominal wind speed is 16.67 Hz.
Sep. 2019
2019 54th International Universities Power Engineering Conference (UPEC)
1-6
IEEE Xplore