1. Department of Electrical, Electronic and Control Engineering, University of Extremadura, Badajoz, Spain
2. Department of Electrical Power Engineering and Mechatronics, TalTech University, Tallinn, Estonia
3. Departamento de Electronica and the Advanced Center for Electrical and Electronic Engineering, Universidad Tecnica Federico Santa Maria, Valparaíso, Chile
4. SustainRD, ESTSetúbal, Polytechnic Institute of Setúbal, Setúbal, Portugal