Protection of Grid-Connected Wind Energy Systems

Heba A. Mahmoud, Ph.D., is an Assistant Professor with the Faculty of Technology and Education at Sohag University, Egypt. She received a B.Sc., M.Sc., and Ph.D. from the Electrical Department, Faculty of Technology and Education, Sohag University, in 2010, 2016, and 2023 respectively. Dr. Mahmoud's research interests include renewable energy sources, power electronics, power quality, and power system protection. She has published technical papers in international journals and conferences.Adel A. Elbaset, Ph.D., is a Full Professor with the Faculty of Engineering at Minia University, Egypt. He received his B.S., M.Sc., and Ph.D. from Minia University in 1995, 2000, and 2006, respectively. Dr. Elbaset is also a Full Professor with the Faculty of Engineering, Vice-Dean for Student Affairs, and Head of the Department of Electromechanics at Heliopolis University. He has published over 120 technical papers in international journals and conference proceedings and has supervised and examined more than 50 M.Sc. and Ph.D. theses at Minia and other Egyptian universities. His research interests are wind energy systems, photovoltaics, renewable energy systems, power electronics, power system protection and control, power quality and harmonics, and neural networks and fuzzy systems applications. Dr. Elbaset has published 12 international books in the field of renewable energy.Montaser Abd El Sattar, Ph.D., is an Associate Professor and head of the Electrical Engineering Department, Faculty of Engineering, South Valley University, Qena, Egypt. Before this, he was a Lecturer at the Department of Electrical and Computer Engineering, El-Minia High Institute of Engineering and Technology, El-Minia, Egypt, from 2016 until 2020. Dr. Mohammed received a B.Sc. from the Faculty of Engineering, Department of Electrical Engineering at Al-Azhar University, Egypt, in 2006 and an M.Sc. and Ph.D. from the Department of Electrical Engineering, Faculty of Engineering at Minia University, Egypt, in 2011 and 2015, respectively. His research interests are renewable energy sources, power electronics, power quality, power system protection and control, harmonics, and optimization algorithms. He has published over 60 technical papers in international journals and conferences and has supervised and examined more than 10 M.Sc. and Ph.D. theses at Minia, Sohag, and other Egyptian universities. He has published three international books on renewable energy.

• Introduction.- Wind Energy Situation in Egypt.- The Potential of Wind Power.- Wind Power Generation in Egypt.- Grid-Connected Wind Turbine Systems.- Problem Formulation.- LVRT Techniques.- Al-Zafarana Wind Energy Conversion System.-System Under Study.- Wind Turbine Model.- Doubly Fed Induction Generator.- Operating Modes of DFIG.- Power Flow of DFIG.- Performance Analysis of an Egyptian Electrical Network-Connected Al-Zafarana Wind Energy System During Grid Faults.- Modeling of System Under Study.- Dynamic Behavior of DFIG-Based Wind Turbine During Grid Faults.- Result and Discussion.- Protection Improvement of an Egyptian Electrical Network-Connected Al-Zafarana Wind Energy System.- DFIG Protection Schemes.- Modeling of the System Under Study with a Series Resistor Protection Scheme.- Modeling of the System Under Study with a Crowbar and DC-Chopper Protection.- Comparison Between Protection Schemes for DFIG During the Grid Faults.- Conclusions and Suggestions for Future Work.- Appendices.