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Review

Commercial Aircraft Electrification—Current State and Future Scope

1
Power Electronics, Machines and Control (PEMC) Research Group, University of Nottingham, Jubilee Campus, Nottingham NG7 2RD, UK
2
Department of Electrical and Electronic Engineering, University of Nottingham Ningbo China, Ningbo 315100, China
*
Author to whom correspondence should be addressed.
Academic Editors: Chunhua Liu and Mauro Andriollo
Energies 2021, 14(24), 8381; https://doi.org/10.3390/en14248381
Received: 1 August 2021 / Revised: 21 October 2021 / Accepted: 29 November 2021 / Published: 13 December 2021
Electric and hybrid-electric aircraft propulsion are rapidly revolutionising mobility technologies. Air travel has become a major focus point with respect to reducing greenhouse gas emissions. The electrification of aircraft components can bring several benefits such as reduced mass, environmental impact, fuel consumption, increased reliability and quicker failure resolution. Propulsion, actuation and power generation are the three key areas of focus in more electric aircraft technologies, due to the increasing demand for power-dense, efficient and fault-tolerant flight components. The necessity of having environmentally friendly aircraft systems has promoted the aerospace industry to use electrically powered drive systems, rather than the conventional mechanical, pneumatic or hydraulic systems. In this context, this paper reviews the current state of art and future advances in more electric technologies, in conjunction with a number of industrially relevant discussions. In this study, a permanent magnet motor was identified as the most efficient machine for aircraft subsystems. It is found to be 78% and 60% more power dense than switch-reluctant and induction machines. Several development methods to close the gap between existing and future design were also analysed, including the embedded cooling system, high-thermal-conductivity insulation materials, thin-gauge and high-strength electrical steel and integrated motor drive topology. View Full-Text
Keywords: more electric aircraft; electrical machine; actuation; power generation; propulsion; aircraft electrification more electric aircraft; electrical machine; actuation; power generation; propulsion; aircraft electrification
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MDPI and ACS Style

Tom, L.; Khowja, M.; Vakil, G.; Gerada, C. Commercial Aircraft Electrification—Current State and Future Scope. Energies 2021, 14, 8381. https://doi.org/10.3390/en14248381

AMA Style

Tom L, Khowja M, Vakil G, Gerada C. Commercial Aircraft Electrification—Current State and Future Scope. Energies. 2021; 14(24):8381. https://doi.org/10.3390/en14248381

Chicago/Turabian Style

Tom, Liya, Muhammad Khowja, Gaurang Vakil, and Chris Gerada. 2021. "Commercial Aircraft Electrification—Current State and Future Scope" Energies 14, no. 24: 8381. https://doi.org/10.3390/en14248381

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