A review of electrical motor topologies for aircraft propulsion

Bolam, Robert, Vagapov, Yuriy and Anuchin, Alecksey (2020) A review of electrical motor topologies for aircraft propulsion. In: IEEE Int. Universities Power Engineering Conference UPEC-2020, 1-4 September 2020, Torino, Italy.

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This paper provides a review of the state-of-the art in aircraft electrical propulsion (AEP). Initially, the limitations of on-board energy storage devices are highlighted and contextualised. The definitions of useful measures for determining the suitability of motor design, namely specific power and motor torque per unit rotor volume (TRW), are discussed and relevant examples are provided. The classifications of motors used for terrestrial vehicle applications are reviewed and their limitations highlighted regarding their suitability to AEP applications. A discussion on motor configurations for aerospace applications is provided which includes: synchronous motor stator winding configurations; axial flux motor configurations and the causes of energy losses. Additionally, the topologies and performance characteristics of existing aerospace motor technologies are examined. It was concluded that electrical motors provide an ideal means for achieving aircraft propulsion and that higher motor speeds are likely to be required for future commercial aircraft motor designs.

Item Type: Conference or Workshop Item (Paper)
Keywords: aircraft electrical propulsion, BLDC, unmanned, aircraft, rim driven fan, RDF, specific power, TRV, slotless windings
Divisions: Applied Science, Computing and Engineering
Depositing User: Hayley Dennis
Date Deposited: 13 Oct 2020 14:25
Last Modified: 13 Oct 2020 14:25
URI: https://glyndwr.repository.guildhe.ac.uk/id/eprint/17651

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