Advanced high speed permanent magnet synchronous machines (PMSM) have been the subject of recent research for electrified transportation. Specific power of electric machines must increase in order to make hybrid-electric passenger aircraft feasible. Raising operating frequency improves specific power and requires robust windings. This paper will present dielectric and thermal design considerations of the form- wound air-core armature windings for a high-speed PMSM. System level considerations will also be examined.
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Lenz et al. (2018) studied this question.
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