1. Research Unit of Industrial Systems Study and Renewable Energy, Electrical Engineering Department, National Engineering School of Monastir; University of Monastir; Avenue Ibn El Jazzar 5019 Tunisia
2. Laboratory of Electrical Engineering and Power Electronics of Lille (L2EP); Ecole des Hautes Etudes d'Ingénieur (HEI); 13, rue de Toul, F-59046 Lille France