1. Department of Electrical Machines and Drives, Technical University of Cluj-Napoca, 400114 Cluj-Napoca, Romania
2. Siemens Industry Software, 500227 Brașov, Romania
3. Engineering Services RTD, Siemens Industry Software NV, 3001 Leuven, Belgium
4. BEAMS Department, Electrical Energy Group, Université Libre de Bruxelles, 1050 Brussels, Belgium