Bearing Current Modelling and Investigation in Axial Flux Permanent Magnet Synchronous Motors for Aerospace Applications

Abdalmagid, Mohamed; Pietrini, Giorgio; Callegaro, Alan Dorneles; Goykhman, Mikhail; Emadi, Ali

doi:10.1109/itec53557.2022.9813799

Cited by 1 publication

(1 citation statement)

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“…The copper loss represents the dominant part of the electromagnetic losses in AFPM motors [21]. Therefore, highly effective cooling systems are necessary for the windings to prevent failures of the electric insulation layer, stator bar lamination adhesive, and bearing lubrication breakdown due to high temperatures [51].…”

Section: B Copper Lossmentioning

confidence: 99%

Innovations in Axial Flux Permanent Magnet Motor Thermal Management for High Power Density Applications

Jenkins

Jones-Jackson

Zaher

et al. 2023

IEEE Trans. Transp. Electrific.

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At the forefront is the challenging design of electric motors with high efficiencies, torque, and power capabilities. Due to its high performance, the Axial Flux Permanent Magnet (AFPM) Motor is expected to be one of the leading technologies to meet the demands of these industries. Finding the balance between the cooling system's effectiveness and subsequent parasitic losses is key to utilizing these performance benefits.Single stator double rotor topologies achieve the best torque density and lower stator losses, however are more challenging to cool as the stator is in the center of the motor. Single stator single rotor and double stator machines are less challenging to cool but typically have lower power density. Rotor air cooling is discussed including the effectiveness of blades, meshes, and vents which can be optimized to prevent demagnetization. Stator cooling is critical as many machines maximize current density C. Jenkins,

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Section: B Copper Lossmentioning

confidence: 99%