All Outputs (12)

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). AC/DC Converter Topologies Comparison for More Electric Aircraft Applications. In 2022 IEEE 7th Southern Power Electronics Conference (SPEC). https://doi.org/10.1109/SPEC55080.2022.10058465

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.

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). A Novel Airgap Permeance Modeling Approach for Magnetic Field Analysis of Electrical Machines Based on Electrostatic FEA. In 2022 IEEE Transportation Electrification Conference and Expo, Asia-Pacific (ITEC Asia-Pacific). https://doi.org/10.1109/itecasia-pacific56316.2022.9941839

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.

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., …Gerada, C. (2022). Comparison of Aluminium and Copper Conductors in Hairpin Winding Design for High Power Density Traction Motors. In 2022 International Conference on Electrical Machines (ICEM) (1635-1641). https://doi.org/10.1109/icem51905.2022.9910796

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, C. (2022). Radial Force Analysis and Optimization of Interior Permanent Magnet Traction Motor for Reduction of Electromagnetic Vibration. In 2022 International Conference on Electrical Machines (ICEM) (1906-1912). https://doi.org/10.1109/ICEM51905.2022.9910879

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.

Comparative Stability Analysis of Synchronous Reference Frame Current Controllers Operated at High Fundamental Frequency (2022)
Journal Article
Diab, A. M., Guo, F., Yeoh, S. S., Bozhko, S., Gerada, C., & Galea, M. (2022). Comparative Stability Analysis of Synchronous Reference Frame Current Controllers Operated at High Fundamental Frequency. IEEE Transactions on Transportation Electrification, 9(2), 2115 - 2128. https://doi.org/10.1109/TTE.2022.3208825

Synchronous reference frame (SRF) proportional-integral (PI) current controller (CC) is the most well-established solution for current regulation in AC machine drives and grid-connected voltage source converters. The design of high dynamic performanc... Read More about Comparative Stability Analysis of Synchronous Reference Frame Current Controllers Operated at High Fundamental Frequency.

Comparative Analysis of Synchronous Reluctance Machine against Conventional Induction Machine for Railway Traction (2022)
Presentation / Conference Contribution
Tom, L., Khowja, M. R., Ramanathan, R., Vakil, G., & Gerada, C. (2022). Comparative Analysis of Synchronous Reluctance Machine against Conventional Induction Machine for Railway Traction. In 2022 International Conference on Electrical Machines (ICEM 2022) (69-76). https://doi.org/10.1109/ICEM51905.2022.9910767

Electrification in railway industry offers better performing trains with reduced pollution and maximised capacity. SynREL is gaining more interest as a candidate for traction application in place of IM due to its simple and robust structure. Conseque... Read More about Comparative Analysis of Synchronous Reluctance Machine against Conventional Induction Machine for Railway Traction.

Performance Assessment of Standard Cooling Strategies for Hairpin Windings (2022)
Presentation / Conference Contribution
La Rocca, A., La Rocca, S., Zou, T., Liu, C., Moslemin, M., Gerada, C., & Cairns, A. (2022). Performance Assessment of Standard Cooling Strategies for Hairpin Windings. In 2022 International Conference on Electrical Machines (ICEM) (1163-1169). https://doi.org/10.1109/icem51905.2022.9910733

This paper aims to assess the performance of some standard cooling strategies which are commonly used in traction electric motors for electric vehicles (EVs) employing hairpin windings. The use of such type of coils does normally lead to higher power... Read More about Performance Assessment of Standard Cooling Strategies for Hairpin Windings.

Modelling, Analysis, and Design of a Line-Start Permanent Magnet Synchronous Motor (2022)
Presentation / Conference Contribution
Vannini, A., Simonelli, C., Marfoli, A., Papini, L., Bolognesi, P., & Gerada, C. (2022). Modelling, Analysis, and Design of a Line-Start Permanent Magnet Synchronous Motor. . https://doi.org/10.1109/icem51905.2022.9910937

Line-Start Permanent Magnet Motors are a valid alternative to conventional three-phase induction motors and wound-field synchronous machines for fixed-speed applications direct fed by the grid, targeting superior efficiency and high reliability. A ge... Read More about Modelling, Analysis, and Design of a Line-Start Permanent Magnet Synchronous Motor.

On the Use of Topology Optimization for Synchronous Reluctance Machines Design (2022)
Journal Article
Korman, O., Di Nardo, M., Degano, M., & Gerada, C. (2022). On the Use of Topology Optimization for Synchronous Reluctance Machines Design. Energies, 15(10), Article 3719. https://doi.org/10.3390/en15103719

Synchronous reluctance (SynRel) machines are considered one of the promising and cost-effective solutions to many industrial and mobility applications. Nonetheless, achieving an optimal design is challenging due to the complex correlation between geo... Read More about On the Use of Topology Optimization for Synchronous Reluctance Machines Design.

Impact of Stator Segmentation on the Performance of Aerospace Propulsion Machines (2022)
Presentation / Conference Contribution
Ramanathan Mathavan Jeyabalan, R. K., Vakil, G., Gerada, D., Gerada, C., & Minshull, J. (2022). Impact of Stator Segmentation on the Performance of Aerospace Propulsion Machines. SAE Technical Papers, 4(4), 1048-1056. https://doi.org/10.4271/2022-01-0039

Electric machines offering a high power density are required for aerospace applications. Soft magnetic material with a high saturation flux density is one of the key component which is required to realize these power density targets. The need for a h... Read More about Impact of Stator Segmentation on the Performance of Aerospace Propulsion Machines.

Torque Limiters for Aerospace Actuator Application (2022)
Journal Article
Shahjahan Ahmad, S., Tom, L., La Rocca, A., La Rocca, S., Vakil, G., Gerada, C., & Benarous, M. (2022). Torque Limiters for Aerospace Actuator Application. Energies, 15(4), Article 1467. https://doi.org/10.3390/en15041467

Safety and reliability of electrical actuators are essential for success of all electric and more electric aircrafts (MEA). Torque limiters improve the reliability of electromechanical actuators (EMA) by restricting the amount of force experienced by... Read More about Torque Limiters for Aerospace Actuator Application.

Performance Entitlement by Using Novel High Strength Electrical Steels and Copper Alloys for High-Speed Laminated Rotor Induction Machines (2022)
Journal Article
Zhang, F., Gerada, D., Xu, Z., He, Y., Zhang, H., Hua, W., & Gerada, C. (2022). Performance Entitlement by Using Novel High Strength Electrical Steels and Copper Alloys for High-Speed Laminated Rotor Induction Machines. Electronics, 11(2), 210. https://doi.org/10.3390/electronics11020210

The laminated rotor Induction Machine (IM), with its simple construction and manufacturing, robustness, ease of control and comparatively lower cost remains by far the most utilized electromechanical energy converter. At very high speeds, traditional... Read More about Performance Entitlement by Using Novel High Strength Electrical Steels and Copper Alloys for High-Speed Laminated Rotor Induction Machines.