T. Unchim and  A. Oonsivilai,  A Study of Wind Speed Characteristic in PI Controller based DFIG Wind Turbine.   journal   = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology.
    December 2011, vol. 60(12). 1744 - 1749
    [viewed 11 May 2024]. Available from: https://publications.waset.org/pdf/11081.