Samina Elyas Mubeen and  R. K. Nema and  Gayatri Agnihotri,  Power Flow Control with UPFC in Power Transmission System.   journal   = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology.
    November 2008, vol. 23(11). 2507 - 2511
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/7733.