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This paper investigates the influence of the slot/pole (S/P) combination on inter-turn short-circuit (SC) current in fault-tolerant permanent magnet (FT-PM) machines. A 2-D sub-domain field computational model with multi-objective genetic algorithm is used for the design and performance prediction of the considered FT-PM machines. The electromagnetic losses of machines, including iron, magnet, and...
Permanent Magnet (PM) machines are increasingly being used in safety critical systems in aerospace and automotive applications. In such applications, reliability and availability are key concerns. Numerous works have been presented in literature which take into account both system reliability and availability in the event of single fault within the PM machine. This paper mainly focuses on a turn Short-Circuit...
This paper presents an analytical model to evaluate the inter-turn short-circuit current in a Fault Tolerant Permanent Magnet Synchronous Machine (FT-PMSM) for different winding configurations. By evaluating slot-leakage and air-gap fluxes, the inductance of both healthy and faulty parts of the phase winding, as well as the mutual inductance between them, can be determined for any position and number...
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