1. Institute of Smart Cities (ISC), Department of Electrical, Electronic and Communications Engineering, Public University of Navarre, Pamplona, Spain
2. Ingeteam Power Technology, Zamudio, Spain
3. Department of Electronic Technology, University of the Basque Country (UPV/EHU), Vitoria-Gasteiz, Spain
4. Ingeteam R&D Europe, Zamudio, Spain