DrAnkarao Mogili, P. Chandra Pavani,Prof. M. Vijay kumar,. “Hybrid PV-Wind Energy System Connected to the Grid Using Dynamic Voltage Restorer Based on SMES and Battery for Mitigation of Voltage Sag”. Design Engineering (November 25, 2021): 16538-16552. Accessed May 3, 2024. http://thedesignengineering.com/index.php/DE/article/view/6797.