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Research Paper | Electrical & Electronics Engineering | India | Volume 2 Issue 7, July 2013

Controlling of Rotor Flux for Doubly Fed Induction Machine-Based Wind Turbines under Voltages Dips and without Crowbar Protection

P.Murali | T. Muni Prakash ^[2]

Abstract: This paper proposes a rotor flux amplitude reference generation strategy for doubly fed induction machine based wind turbines. It is designed to address perturbations, such as voltage dips, keeping controlled the torque of the wind turbine, and considerably reducing the stator and rotor over currents during faults. In addition, a direct torque control strategy that provides fast dynamic response accompanies the overall control of the wind turbine. Despite the fact that the proposed control does not totally eliminate the necessity of the typical crowbar protection for this kind of turbines, it eliminates the activation of this protection during low voltage dips.

Keywords: under voltage dips, Induction generator protection, Crowbar protection, direct torque control, doubly fed induction machine, reference flux generation strategy

Edition: Volume 2 Issue 7, July 2013,

Pages: 344 - 346

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