2018 Publications

Modelling AC Winding Losses in a PMSM with High Frequency and Torque Density

By Giuseppe Volpe ; Mircea Popescu ; Fabrizio Marignetti ; James Goss

2018 IEEE Energy Conversion Congress and Exposition (ECCE)

Year: 2018 | Conference Paper | Publisher: IEEE

Abstract: This paper investigates proximity and skin effects winding losses in a high performance and high frequency brushless permanent magnet machine designed for electric sport racing application, where such losses have a relevant impact. A detailed finite element analysis (FEA), with all conductors per slot modelled, is performed for various winding configurations, with single and multiple strands-in-hand, considering random conductors placement within the stator slots. A new hybrid analytical-FEA method is proposed for speeding up the losses calculation and then validated against pure FEA method. The proposed method can be further used in accurate and fast estimation of the motor performance and in optimization procedures, avoiding heavy computational burden of full FEA simulations.

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