Ahmed Helal and  Sherif Zain Elabideen and  Ahmed Lotfy,  Modeling and Analysis of SVPWM Based Dynamic Voltage Restorer.   journal   = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology.
    December 2010, vol. 48(12). 1695 - 1700
    [viewed 17 April 2021]. Available from: https://publications.waset.org/pdf/3400.