Outputs (9)

Advancements in Electrical Machines for Aircraft Propulsion (2025)
Journal Article
Gerada, D., Zhang, F., Jiang, J., Zhang, X., Zou, T., Xu, Z., & Gerada, C. (2025). Advancements in Electrical Machines for Aircraft Propulsion. IEEJ Journal of Industry Applications, 14(3), 468-476. https://doi.org/10.1541/ieejjia.24010320

Electrical machines are at the center of future aircraft propulsion architectures, and their improvement is key in increasing the market uptake of cleaner transport. This paper investigates recent/ongoing improvements within the constituent technolog... Read More about Advancements in Electrical Machines for Aircraft Propulsion.

Optimization and Comparison of 1MW-Class PM Motors for Aircraft Propulsion Using Litz Wire and Hairpin Windings (2025)
Journal Article
Huynh, A. T., Huang, H., Jiang, J., Zou, T., Gerada, D., Yang, T., & Gerada, C. (2025). Optimization and Comparison of 1MW-Class PM Motors for Aircraft Propulsion Using Litz Wire and Hairpin Windings. IEEE Transactions on Magnetics, https://doi.org/10.1109/tmag.2025.3547237

Choosing the right winding technology is key to maximizing power density and efficiency in electric aircraft propulsion. This paper presents a two-level optimization strategy to evaluate Litz wire and hairpin winding configurations in two 1 MW-class... Read More about Optimization and Comparison of 1MW-Class PM Motors for Aircraft Propulsion Using Litz Wire and Hairpin Windings.

Replacing Copper With Aluminum in Hairpin Windings Motors Intended for Utility Cars (2025)
Journal Article
Cutuli, G., Nuzzo, S., Barater, D., Zou, T., & Nategh, S. (2025). Replacing Copper With Aluminum in Hairpin Windings Motors Intended for Utility Cars. IEEE Journal of Emerging and Selected Topics in Industrial Electronics, 1-12. https://doi.org/10.1109/jestie.2025.3546030

Along with efficiency and torque density, one of the key design objectives in today's traction electric machines is sustainability. This is expecially true in the automotive segment, where a transition to electrification is occurring. A sustainable e... Read More about Replacing Copper With Aluminum in Hairpin Windings Motors Intended for Utility Cars.

Active Short Circuit Tolerant Design of Permanent Magnet Assisted Synchronous Reluctance Machines (2024)
Journal Article
Gallicchio, G., Nardo, M. D., Zou, T., Paciura, K., Gerada, C., & Cupertino, F. (2025). Active Short Circuit Tolerant Design of Permanent Magnet Assisted Synchronous Reluctance Machines. IEEE Transactions on Energy Conversion, 40(2), 1630-1643. https://doi.org/10.1109/TEC.2024.3508457

The functional safety standard fulfillment could necessitate the active short circuit manoeuvre regardless the pre-operating condition of the electrical machine used in traction applications. This poses an additional and computationally-challenging r... Read More about Active Short Circuit Tolerant Design of Permanent Magnet Assisted Synchronous Reluctance Machines.

In-Slot Oil Cooling Arrangement of Hairpin Windings for High Power Density EV Traction Motors (2024)
Presentation / Conference Contribution
Mifsud, L. P., Connor, P. H., Walker, A., Zou, T., Huang, H., Ren, X., Batho, G., Tweedy, O., Gerada, C., & Egger, C. (2024, October). In-Slot Oil Cooling Arrangement of Hairpin Windings for High Power Density EV Traction Motors. Presented at 2024 IEEE Vehicle Power and Propulsion Conference, VPPC 2024, Washington, DC, USA

Ambitious electrification roadmaps for the automotive industry have prompted a revolution in winding technology for traction motors in electric vehicles (EV). Hairpin windings with reduced power losses and improved coolability are overtaking the mark... Read More about In-Slot Oil Cooling Arrangement of Hairpin Windings for High Power Density EV Traction Motors.

High Pole Number Outer-Rotor SPM Machine for Sustainable 150kW High-Speed EV Traction (2024)
Presentation / Conference Contribution
Walker, A., Zou, T., Mifsud, L. P., Connor, P., Huang, H., Ren, X., Batho, G., Tweedy, O., Gerada, C., & Kaloun, A. (2024, October). High Pole Number Outer-Rotor SPM Machine for Sustainable 150kW High-Speed EV Traction. Presented at 2024 IEEE Vehicle Power and Propulsion Conference, VPPC 2024, Washington, DC, USA

The ambitious roadmaps of electric vehicle (EV) powertrains are pushing traction motors to achieve step-change performance improvements in power density, efficiency, and cost by 2035. Limited by technology bricks such as materials, manufacturing and... Read More about High Pole Number Outer-Rotor SPM Machine for Sustainable 150kW High-Speed EV Traction.

High Power High Speed PM-Assisted SynRel Machines with Ferrite and Rare Earth Magnets for Future Electric Commercial Vehicles (2019)
Presentation / Conference Contribution
Kumar, R. M. R., Zou, T., La Rocca, A., Vakil, G., Gerada, D., Walker, A., Gerada, C., Paciura, K., McQueen, A., & Fernandes, B. G. (2019, October). High Power High Speed PM-Assisted SynRel Machines with Ferrite and Rare Earth Magnets for Future Electric Commercial Vehicles. Presented at 45th Annual Conference of the IEEE Industrial Electronics Society (IECON 2019), Lisbon, Portugal

High power density and high torque density are the fundamental requirements for electric machines used in traction application. The former is obtained by potentially increasing the speed of the machine while the latter by using high energy density ra... Read More about High Power High Speed PM-Assisted SynRel Machines with Ferrite and Rare Earth Magnets for Future Electric Commercial Vehicles.

Numerical study of the impact of different cooling arrangements on a high length/diameter ratio motor for electric commercial vehicle (2019)
Presentation / Conference Contribution
La Rocca, S., La Rocca, A., Walker, A., Vakil, G., Gerada, D., Al-Ani, M., Zou, T., Ramanathan, R., Gerada, C., McQueen, A., & Paciura, K. (2019, October). Numerical study of the impact of different cooling arrangements on a high length/diameter ratio motor for electric commercial vehicle. Presented at International Conference on Electrotechnical Complexes and Systems (ICOECS 2019), Ufa, Russia

Computational Fluid Dynamics (CFD) was used to carry out a fluid flow and thermal investigation of a high power dense traction machine for electric commercial vehicle. One of the features of the machine design considered is the high Length/Diameter (... Read More about Numerical study of the impact of different cooling arrangements on a high length/diameter ratio motor for electric commercial vehicle.

Comparative Analysis of AC losses with round magnet wire and Litz wire winding of a High – Speed PM Machine (2019)
Presentation / Conference Contribution
Bardalai, A., Zhang, X., Zou, T., Gerada, D., Li, J., & Gerada, C. (2019, August). Comparative Analysis of AC losses with round magnet wire and Litz wire winding of a High – Speed PM Machine. Presented at 2019 22nd International Conference on Electrical Machines and Systems (ICEMS), Harbin, China

The growing trend of high speed, high power density machines for applications such as EVs, aerospace and machine tools demand these machines to work at higher electrical frequencies. Meanwhile, increasing the fundamental frequency leads to pronounced... Read More about Comparative Analysis of AC losses with round magnet wire and Litz wire winding of a High – Speed PM Machine.