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Reference Value Choice of the Wind Turbine Active Power with Doubly-Fed Induction Generator

The variable speed wind turbine with doubly-fed induction generator (DFIG) is today widely used concept. This paper presents a control system of the DFIG wind turbine with focus on the control strategies and on active power reference value choice. The present control method is designed for super-synchronous, sub-synchronous and synchronous working modes. In order to investigate the dynamic responses during step load of DFIG connected to the electric grid, a model has been developed. This model includes the mechanical drive train, the induction generator as well as the control parts.

DFIG; wind turbine; dynamic simulation; reference value of active power

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