S.Ali Al-Mawsawi,  Steady-State Performance of a New Model for UPFC Applied to Multi-Machines System with Nonlinear Load.   journal   = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2012, vol. 63(3). 330 - 333
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/295.