1. University of El Oued,Department of Electrical Engineering,El Oued,Algeria
2. University of El Oued,Department of Electrical Engineering,Constantine,Algeria
3. University of Mohamed Khider,Department of Electrical Engineering,Biskra,Algeria
4. Univ. Artois,Laboratory of Electrotechnical and Environmental Systems,Béthune,France,F-62400
5. University of Djelfa,Department of Electrical Engineering,Djelfa,Algeria
6. Unité de Recherche Appliquée en Energies Renouvelables,Ghardaïa,Algeria