1. Laboratory of Electric Engineering– Ouargla (LAGE - Ouargla), Electrical Engineering Department, Kasdi Merbah University, Ouargla, Algeria
2. Research Laboratory on the Electrical Engineering, Faculty of Technology Mohamed Boudiaf University, M’sila, Algeria
3. Laboratory of Electric Traction Systems – Batna (LSTE - Batna), Electrical Engineering Department, University Batna 2, Batna, Algeria