Design of reliable standalone utility-scale pumped hydroelectric storage powered by PV/Wind hybrid renewable system

Nassar, Y. Fathi, Research Center for Renewable Energy and Sustainable Development, Wadi Alshatti University, Brak, Wadi al Shatii, Libya; El- Khozondar, Hala Jarallah, Electrical Engineering and Smart Systems Department, Islamic University of Gaza, Gaza, Palestine, Department of Materials, Imperial College London, London, United Kingdom; Khaleel, Mohamed Mohamed, Department of Electrical and Electronic Engineering, Karabük Üniversitesi, Karabuk, Turkey; Ahmed, Abdussalam Ali, Department of Mechanical Engineering, Bani Waleed University, Bani Walid, Libya; Alsharif, Abdulgader, Department of Electrical and Electronic Engineering, Faculty of Technical Sciences-Sebha, Sebha, Libya; Elmnifi, Monaem, Department of Mechanical Engineering, Belgorod Technical University, Belgorod, Russian Federation; Salem, Mansour Awiadat, Environment and Natural resources Faculty, Wadi Alshatti University, Brak, Wadi al Shatii, Libya; Mangir, Ibrahim K., Higher Institute of Sciences and Technology, Brack, Libya