F. Delgado1, A. Ortiz1, C.J. Renedo1, S. Pérez1, M. Mañana1, Ahmed F. Zobaa2
1Department of Electrical and Energy Engineering, E.T.S.I.I., Cantabria University, Avenida de Castros, 39005 Santander, Spain
2Brunel University, School of Engineering and Design, Uxbridge, UB8 3PH Middlesex, United Kingdom