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Manufacturing challenges of a modular transverse flux alternator for aerospace

Lookup NU author(s): Dr Mehmet KulanORCiD, Dr Nick BakerORCiD

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This work is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).

Abstract

© 2020 MDPI AG. All rights reserved.This paper presents the manufacturing challenges of a transverse flux alternator for an aerospace application. For fault tolerance, four independent isolated phases are required to deliver a specific power at low speeds, whilst at over speed, there is a strict limit on the short circuit current. A transverse flux machine (TFM) was selected due to its high inductance combined with the modular nature of separate phases lending itself to fault tolerance. The stator consists of pressed soft magnetic composite (SMC) segments. The authors explore the electromagnetic, mechanical, and assembly design challenges of the machine. It is shown that mechanical design aspects of the segments are of equal importance to the electromagnetic design and optimization. Simple design choices have allowed the same component to be used as all the stator segments, despite the requirement of a 90° electrical phase difference between phases and a tooth offset of 180° electrical within each phase.

Publication metadata

Author(s): Kulan MC, Baker NJ, Turvey S

Publication type: Article

Publication status: Published

Journal: Energies

Year: 2020

Volume: 13

Issue: 16

Print publication date: 18/08/2020

Online publication date: 18/08/2020

Acceptance date: 14/08/2020

Date deposited: 14/01/2021

ISSN (electronic): 1996-1073

Publisher: MDPI AG

URL: https://doi.org/10.3390/en13164275

DOI: 10.3390/en13164275

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