1. Department of Electrical Engineering, Faculty of Technology University of Batna 2 Batna Algeria
2. Department of Electrical Engineering, Faculty of Science and Technology University of Mostaganem Mostaganem Algeria
3. Department of Electrotechnics, Faculty of Technology University of Constantine 1 Constantine Algeria
4. Technology and Applied Sciences Laboratory, U.I.T. of Douala University of Douala Douala Cameroon
5. Department of Electrical Engineering, Faculty of Engineering Aswan University Aswan Egypt