Cheny, Cyrille; Kauffmann, Jean-Marie - In: Mathematics and Computers in Simulation (MATCOM) 46 (1998) 3, pp. 361-372
As soon as space harmonics are taken into account in induction machine model, the magnetic flux becomes a non linear term in regards to time and electrical angle. So superposition principle must be used carefully and decoupling space harmonics effects can lead to information losses.