1. Electrical Engineering Department, College of Technological Studies, The Public Authority for Applied Education and Training, Safat, Kuwait
2. Electrical Power and Machines Department, Faculty of Engineering, Ain Shams University, Cairo, Egypt
3. Electrical Engineering Department, College of Engineering, King Saud University, Riyadh, Saudi Arabia
4. School of Electrical Engineering and Automation, Harbin Institute of Technology, Harbin, China