1. Technical Engineer, ORASCOM Company, Cairo 11221, Egypt
2. Electrical Power & Machines Engineering Department, Faculty of Engineering, Cairo University, Cairo 12613, Egypt
3. Electrical Engineering Department, College of Engineering, King Khalid University, Abha 61421, Saudi Arabia
4. Electric Engineering Department, Faculty of Engineering, Kafrelsheikh University, Kafrelsheikh 33516, Egypt
5. Electrical Power and Machines Engineering Department, The Higher Institute of Engineering at El-Shorouk City, El-Shorouk Academy, Cairo 11837, Egypt