Open Science Research Excellence
S.A. Al-Qallaf and  S.A. Al-Mawsawi and  A. Haider,  Comparison of Fundamental Frequency Model and PWM Based Model of UPFC.   journal   = {International Journal of Electrical, Computer, Energetic, Electronic and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology. October 2014, vol. 94(10). 1592 - 1595[viewed 26 March 2019]. Available from: http://waset.org/publications/9999533.