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This paper presents an approach to utilize a passive impedance network in series at the stator side of a typical DFIG wind turbine for the purpose of voltage sag ride through. A control strategy that enables the passive impedance network to engage and stabilize the stator flux during grid voltage sag events has been studied. Simulation results demonstrates that electromagnetic torque and rotor current...
With steadily increasing wind turbine penetration, regulatory standards for grid interconnection have evolved to require that wind generation systems ride- through disturbances such as faults and support the grid during such events. Conventional ride-through accommodations result in high currents and torque or are unable to ride-through down to zero volts. This paper explores two DFIG configurations...
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