1. GREMI, UMR 7344, Université d’Orléans/CNRS, 63 av. de Lattre de Tassigny, 18020 Bourges, France
2. Faculty of Electrical Engineering, “Gheorghe Asachi” Technical University of Iasi, 21–23 Bd. D. Mangeron, 700050 Iasi, Romania
3. CEMHTI, UPR 3079, Université d’Orléans/CNRS, 1D av. de la Recherche Scientifique, 45071 Orléans, France
4. Laboratory of Engineering Sciences in Electrical Field, Constanta Maritime University, Strada Mircea cel Bătrân 104, Constanța 900663, Romania