Outputs (46)

Design procedure and optimisation methodology of permanent magnet synchronous machines with direct slot cooling for aviation electrification (2022)
Journal Article
Tameemi, A., Degano, M., Murataliyev, M., Di Nardo, M., Valente, G., Gerada, D., Xu, Z., & Gerada, C. (2023). Design procedure and optimisation methodology of permanent magnet synchronous machines with direct slot cooling for aviation electrification. IET Electric Power Applications, 17(4), 421-561. https://doi.org/10.1049/elp2.12281

Electric machines are widely employed in a variety of sectors, including automotive and aerospace industry. With the rising trend towards electrification in aviation, electric machines with increased power density and efficiency are becoming key enab... Read More about Design procedure and optimisation methodology of permanent magnet synchronous machines with direct slot cooling for aviation electrification.

AC/DC Converter Topologies Comparison for More Electric Aircraft Applications (2022)
Presentation / Conference Contribution
Khera, F. A., Gerada, C., Bozhko, S., & Wheeler, P. W. (2022, December). AC/DC Converter Topologies Comparison for More Electric Aircraft Applications. Presented at 7th IEEE Southern Power Electronics Conference (IEEE SPEC 2022), Nadi, Fiji

This paper compares the potential AC/DC power converter topologies that are appropriate for medium voltage and medium/high power aircraft applications. The power converter's rated power and the DC distribution voltage level in this application assume... Read More about AC/DC Converter Topologies Comparison for More Electric Aircraft Applications.

Single-Phase Short-Circuit Fault Tolerant Control for Five-Phase Permanent Magnet Machines With Copper Loss Reduction (2022)
Journal Article
Wang, H., Gu, C., Wang, S., Zhao, W., Bai, S., Buticchi, G., Gerada, C., & Zhang, H. (2022). Single-Phase Short-Circuit Fault Tolerant Control for Five-Phase Permanent Magnet Machines With Copper Loss Reduction. IEEE Transactions on Industrial Electronics, 70(11), 11087 - 11097. https://doi.org/10.1109/tie.2022.3231322

Five-phase machines represent a widely adopted choice for fault-tolerant applications due to their extra degrees of freedom. This article deals with the single-phase short-circuit fault tolerant control using original transformation matrix for five-p... Read More about Single-Phase Short-Circuit Fault Tolerant Control for Five-Phase Permanent Magnet Machines With Copper Loss Reduction.

Airgap Length Analysis of a 350kW PM-Assisted Syn-Rel Machine for Heavy Duty EV Traction (2022)
Journal Article
Zou, T., Gerada, D., La Rocca, S., La Rocca, A., Walker, A., Vakil, G., Arevalo, . S. L., Xu, Z., Cui, M., Bardalai, A., Wang, M., Kumar, R. M. R., Marfoli, A., Paciura, . K., Barden, R., Ernest, E., Zhu, . S., Qayyum, N., McQueen, A., Zhang, F., & Gerada, C. (2023). Airgap Length Analysis of a 350kW PM-Assisted Syn-Rel Machine for Heavy Duty EV Traction. IEEE Transactions on Industry Applications, 59(2), 1557-1570. https://doi.org/10.1109/TIA.2022.3225255

Synchronous reluctance (Syn-Rel) machines with embedded permanent magnets (PMs) are research hotspots in variable speed motor drives due to their robust rotor structure and wide constant power speed range (CPSR). In this paper, the potential of PM-as... Read More about Airgap Length Analysis of a 350kW PM-Assisted Syn-Rel Machine for Heavy Duty EV Traction.

Surface Permanent Magnet Synchronous Machines: High Speed Design and Limits (2022)
Journal Article
Gallicchio, G., Nardo, M. D., Palmieri, M., Ilkhani, M. R., Degano, M., Gerada, C., & Cupertino, F. (2023). Surface Permanent Magnet Synchronous Machines: High Speed Design and Limits. IEEE Transactions on Energy Conversion, 38(2), 1311-1324. https://doi.org/10.1109/tec.2022.3225224

Surface permanent magnet synchronous machines are one of the most widely adopted machine topologies in high-speed applications where efficiency and power factor cannot be compromised. Although the design of such machine type has been extensively inve... Read More about Surface Permanent Magnet Synchronous Machines: High Speed Design and Limits.

A Novel Airgap Permeance Modeling Approach for Magnetic Field Analysis of Electrical Machines Based on Electrostatic FEA (2022)
Presentation / Conference Contribution
Cui, M., Zou, T., Li, D., Gerada, D., Qu, R., & Gerada, C. (2022, October). A Novel Airgap Permeance Modeling Approach for Magnetic Field Analysis of Electrical Machines Based on Electrostatic FEA. Presented at IEEE Transportation Electrification Conference and Expo, Asia-Pacific (ITEC Asia-Pacific 2022), Haining, China

Detailed airgap permeance information is of great importance for analyzing the operation principle and optimizing the electromagnetic field distribution of an electric machine with unconventional topology. So far, analytical approaches upon calculati... Read More about A Novel Airgap Permeance Modeling Approach for Magnetic Field Analysis of Electrical Machines Based on Electrostatic FEA.

Mitigation of AC Winding Losses for Aircraft Propulsion Motors (2022)
Presentation / Conference Contribution
Hebala, A., Nuzzo, S., Connor, P. H., Volpe, G., Gerada, C., & Galea, M. (2022, October). Mitigation of AC Winding Losses for Aircraft Propulsion Motors. Presented at IECON 2022 – 48th Annual Conference of the IEEE Industrial Electronics Society, Brussels, Belgium

In this paper, the AC copper losses are investigated and mitigated for different permanent magnet synchronous motor designs. AC copper losses can represent a substantial share of the total loss in electrical machines. In an application such as aerosp... Read More about Mitigation of AC Winding Losses for Aircraft Propulsion Motors.

Comparison of Aluminium and Copper Conductors in Hairpin Winding Design for High Power Density Traction Motors (2022)
Presentation / Conference Contribution
Petrelli, G., Cui, M., Zou, T., Sala, G., La Rocca, A., Barater, D., Franceschini, G., Gerada, D., Degano, M., & Gerada, C. (2022, September). Comparison of Aluminium and Copper Conductors in Hairpin Winding Design for High Power Density Traction Motors. Presented at International Conference on Electrical Machines (ICEM 2022), Valencia, Spain

Hairpin windings are becoming current/next generation solutions for traction motors of electric vehicles due to inherently reduced DC power losses and improved heat dissipation capability compared with random windings. Copper-based conductor has been... Read More about Comparison of Aluminium and Copper Conductors in Hairpin Winding Design for High Power Density Traction Motors.

Radial Force Analysis and Optimization of Interior Permanent Magnet Traction Motor for Reduction of Electromagnetic Vibration (2022)
Presentation / Conference Contribution
Li, H., Cui, M., Zou, T., Zhang, X., Zhang, H., Xu, Z., Gerada, D., & Gerada, C. (2022, September). Radial Force Analysis and Optimization of Interior Permanent Magnet Traction Motor for Reduction of Electromagnetic Vibration. Presented at International Conference on Electrical Machines (ICEM 2022), Valencia, Spain

Interior permanent magnet (IPM) machines are subject to rich harmonics of air-gap magnetic field, which correspond to electromagnetic forces and resulting noise, vibration, and harshness (NVH) issues. In this paper, the NVH issue is evaluated based o... Read More about Radial Force Analysis and Optimization of Interior Permanent Magnet Traction Motor for Reduction of Electromagnetic Vibration.

Thermal Contact Conductivity Prediction with Grey Box Model and Experimental Validation for an Axial Flux Motor (2022)
Presentation / Conference Contribution
Li, Z., Zhang, C., Zhang, F., Xu, Z., Gerada, D., Gerada, C., Li, X., Zhang, S., & Zhao, Y. (2022, October). Thermal Contact Conductivity Prediction with Grey Box Model and Experimental Validation for an Axial Flux Motor. Presented at 2022 IEEE Energy Conversion Congress and Exposition (ECCE), Detroit, MI, USA

Axial Flux Permanent Magnet Synchronous Motor (AFPMSM) attracts increased attention in recent years due to the inherent high torque density. The yokeless and segment armature is one of the most advanced structures, with reduced axial length and incre... Read More about Thermal Contact Conductivity Prediction with Grey Box Model and Experimental Validation for an Axial Flux Motor.