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TY - CONF TI - A New Control Algorithm for Directly Interconnected Offshore Wind Turbine Generators AU - Omerdic, Emir AU - Osmic, Jakub AU - Toal, Daniel AU - O’Donnell, Cathal W. T2 - 2019 54th International Universities Power Engineering Conference (UPEC) AB - 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. C3 - 2019 54th International Universities Power Engineering Conference (UPEC) DA - 2019/09// PY - 2019 DO - 10.1109/UPEC.2019.8893469 DP - IEEE Xplore SP - 1 EP - 6 KW - Control KW - Control systems KW - Optimized production technology KW - PMSG KW - Underwater cables KW - Voltage control KW - Wind power generation KW - Wind speed KW - Wind turbines KW - directly interconnected KW - offshore KW - wind turbine ER -