WASET
    Sherif O. Zain Elabideen and  Ahmed A. Helal and  Ibrahim F. El-Arabawy,  Low Voltage Ride through Capability Techniques for DFIG-Based Wind Turbines.   journal   = {International Journal of Energy and Power Engineering}, [online]. World Academy of Science, Engineering and Technology.
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    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/10004900.