Ioannis Binas and Marios Moschakis, Voltage Sag Characteristics during Symmetrical and Asymmetrical Faults. journal = {International Journal of Energy and Power Engineering}, [online]. World Academy of Science, Engineering and Technology. March 2020, vol. 160(4). 85 - 97 [viewed 20 September 2024]. Available from: https://publications.waset.org/pdf/10011144.