Electric Power Systems and Components for All-Electric Aircraft (2nd Edition)

A special issue of Aerospace (ISSN 2226-4310). This special issue belongs to the section "Aeronautics".

Deadline for manuscript submissions: closed (31 December 2025) | Viewed by 3684

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Guest Editor
Department of Electrical and Computer Engineering, University of Texas at Dallas, Richardson, TX 75080, USA
Interests: transportation electrification; clean energy; electrical insulation materials and systems; high voltage/field engineering and technology; power systems; plasma science
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Dear Colleagues,

The transportation sector generates a remarkable share (the largest share (28%) in the U.S.) of greenhouse gas (GHG) emissions. To achieve net-zero emission, all-electric transportation has been targeted, making all-electric cars, trucks, trains, aircraft, and ships a likely realization. While electric vehicles are close to maturity, the aviation industry is in its infancy regarding electrification for commercial aircraft. Large aircraft, including narrow-body and wide-body aircraft, are responsible for more than 75% of aviation GHG emissions; this is likely to worsen with the historical 4–5% annual growth in air travel. There are two categories of aircraft electrification: more electric aircraft (MEA) and all-electric aircraft (AEA). An MEA simply replaces a subsystem, such as a hydraulically driven actuator, with an electric alternative. On the other hand, an AEA comprises electrically driven subsystems, as well as having thrust power fully provided by electrochemical energy units (EEUs). For wide-body AEAs, this difference is substantial, since the required thrust power is ~25 MW, and non-thrust demands add another 1 MW. This results in significant challenges for optimizing the electric power system (EPS) design for AEAs, where the maximum component power density must be achieved by minimizing both mass and volume. The topic of this Special Issue is electric power systems for AEAs, and it includes areas such as (1) the design and optimization of power systems for AEAs, (2) the design, construction, and testing of all components of electric power systems for AEAs, such as circuit breakers, power cables, motors, EEUs (battery, fuel cell, supercapacitors, etc.), converters, and storage resources. We are also interested in fundamental/basic research on the influence of low pressures at cruising height on different phenomena such as arc, arc tracking, and partial discharges.

Dr. Mona Ghassemi
Guest Editor

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Keywords

  • all-electric aircraft
  • power systems
  • circuit breakers
  • power cables
  • motors
  • batteries
  • fuel cells
  • supercapacitors
  • converters
  • storage resources
  • low pressures
  • arc
  • arc tracking
  • partial discharges

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Related Special Issue

Published Papers (2 papers)

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Research

17 pages, 1849 KB  
Article
Breakdown Behavior of Magnet Wire Under Aerospace-Relevant Low-Pressure Conditions
by Farzana Islam, Easir Arafat and Mona Ghassemi
Aerospace 2026, 13(2), 152; https://doi.org/10.3390/aerospace13020152 - 6 Feb 2026
Viewed by 869
Abstract
The reliability of magnet wire insulation is critical for the safe and efficient operation of aerospace electric machines exposed to extreme electrical and environmental conditions. Polyimide-based insulations are widely used due to their excellent thermal and dielectric properties; however, they face challenges such [...] Read more.
The reliability of magnet wire insulation is critical for the safe and efficient operation of aerospace electric machines exposed to extreme electrical and environmental conditions. Polyimide-based insulations are widely used due to their excellent thermal and dielectric properties; however, they face challenges such as space charge accumulation, partial discharge activity, and accelerated aging under combined stressors. This study investigates the dielectric breakdown behavior of MW35-C class magnet wire subjected to both AC and DC electrical stress under sub-atmospheric pressures representative of aerospace environments. Experimental measurements were performed on 13 AWG, 15 AWG, and 20 AWG wires, all sourced from the same manufacturer but differing in core conductor radius and total insulation thickness. The results were statistically analyzed using the Weibull distribution. To complement the experimental analysis, 3D finite element simulations were conducted to evaluate electric field distributions at the contact interface between wires. The results demonstrate that breakdown strength is significantly affected by ambient pressure, wire geometry (core radius and insulation thickness), and the volume effect. Among the tested wires, 20 AWG exhibited the highest breakdown strength, attributed to its favorable conductor-to-insulation ratio and reduced insulation volume, which lowers the probability of critical defects. These findings provide valuable insights for the design and qualification of robust insulation systems in all-electric and more-electric aircraft operating in low-pressure environments. Full article
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30 pages, 5139 KB  
Article
Design to Deployment: Flight Schedule-Based Analysis of Hybrid Electric Aircraft Variants in U.S. Regional Carrier Operations
by Emma Cassidy, Paul R. Mokotoff, Yilin Deng, Michael Ikeda, Kathryn Kirsch, Max Z. Li and Gokcin Cinar
Aerospace 2025, 12(7), 598; https://doi.org/10.3390/aerospace12070598 - 30 Jun 2025
Viewed by 2184
Abstract
This study evaluates the feasibility and benefits of introducing battery-powered hybrid electric aircraft (HEA) into regional airline operations. Using 2019 U.S. domestic flight data, the ERJ175LR is selected as a representative aircraft, and several HEA variants are designed to match its mission profile [...] Read more.
This study evaluates the feasibility and benefits of introducing battery-powered hybrid electric aircraft (HEA) into regional airline operations. Using 2019 U.S. domestic flight data, the ERJ175LR is selected as a representative aircraft, and several HEA variants are designed to match its mission profile under different battery technologies and power management strategies. These configurations are then tested across over 800 actual daily flight sequences flown by a regional airline. The results show that well-designed HEA can achieve 3–7% fuel savings compared to conventional aircraft, with several variants able to complete all scheduled missions without disrupting turnaround times. These findings suggest that HEA can be integrated into today’s airline operations, particularly for short-haul routes, without the need for major infrastructure or scheduling changes, and highlight opportunities for future co-optimization of aircraft design and operations. Full article
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