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This paper proposes a ride-through technique of doubly-fed induction generator (DFIG) wind turbine systems. The control technique uses energy storage devices (ESD) which are controlled with current and power control loops. During grid faults, the generator output power can be reduced by increasing the generator speed, resulting in increased inertial energy of the rotational body. Also, the output...
This paper investigates the application of a dynamic voltage restorer (DVR) to assist with the uninterrupted operation of a wind turbine driving a doubly-fed induction generator (DFIG), connected to a power network, during grid faults. In order to reduce the power rating of the DVR, the control schemes of rotor-side converter and pitch angle of the DFIG and DVR are suitably designed and coordinated...
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