Typically, electrical machines feature rotor and stator winding configurations and core structures which comply with both simplicity and cost requirements. Such constraints limit the design search space and degrees of freedom, thus leading to exploit and implement only standard symmetrical layouts which therefore represent by far the most common choice. In this paper, the potential of adopting non-symmetrical windings and geometries in electrical machines is discussed. The perceived benefits are first detailed and then proven by applying the concepts to two case studies, namely a squirrel-cage induction machine and a salient-pole synchronous machine.
The potential of exploiting non-symmetric structures in electrical machines / Nuzzo, S.; Marfoli, A.; Papini, L.; Bolognesi, P.; Gerada, C.; Galea, M.. - 2019-:(2019), pp. 1393-1398. (Intervento presentato al convegno 45th Annual Conference of the IEEE Industrial Electronics Society, IECON 2019 tenutosi a Lisbon Congress Center, prt nel 2019) [10.1109/IECON.2019.8927001].
The potential of exploiting non-symmetric structures in electrical machines
Nuzzo S.;
2019
Abstract
Typically, electrical machines feature rotor and stator winding configurations and core structures which comply with both simplicity and cost requirements. Such constraints limit the design search space and degrees of freedom, thus leading to exploit and implement only standard symmetrical layouts which therefore represent by far the most common choice. In this paper, the potential of adopting non-symmetrical windings and geometries in electrical machines is discussed. The perceived benefits are first detailed and then proven by applying the concepts to two case studies, namely a squirrel-cage induction machine and a salient-pole synchronous machine.
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