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Nowadays, there is a tendency to increase the power of wind turbines. Multilevel converter is a realistic alternative in such high power applications. As the most widely used variably speed wind turbine, doubly fed induction generators (DFIG) are very sensitive to grid disturbances. Moreover, grid codes have been revised to require wind turbines to provide Low Voltage Ride-Through (LVRT) ability....
Doubly fed induction generators (DFIG) are more and more used in wind farms. Their reactive power generation capabilities are related to their operating points (wind speeds). This paper describes a hierarchical supervisory of the reactive power in a wind farm and focuses on the reactive power local supervisory unit of each DFIG based wind generator. In this context, a local supervisory algorithm is...
Vector field control of Doubly Fed Induction Generators enables to generate/absorb reactive power. These machines are more and more used in wind farms. Their reactive power generation capabilities are related to their operating points. This paper presents a centralized supervision of the reactive power control for a wind farm. A weighting distribution strategy has been used in order to determine the...
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