All Outputs (13)

AC/DC Converter Topologies Comparison for More Electric Aircraft Applications (2022)
Conference Proceeding
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)
Conference Proceeding
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.

Radial Force Analysis and Optimization of Interior Permanent Magnet Traction Motor for Reduction of Electromagnetic Vibration (2022)
Conference Proceeding
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.

Comparison of Aluminium and Copper Conductors in Hairpin Winding Design for High Power Density Traction Motors (2022)
Conference Proceeding
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.

Comparative Analysis of Synchronous Reluctance Machine against Conventional Induction Machine for Railway Traction (2022)
Conference Proceeding
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.

Fast Sizing Tool and Optimization Technique for Concentrated Wound Slotless Outer Rotor Motor for eVTOL Application (2022)
Conference Proceeding
Dave, N., Gerada, D., Vakil, G., Zhang, H., Shi, B., Zhang, F., …Gerada, C. (2022). Fast Sizing Tool and Optimization Technique for Concentrated Wound Slotless Outer Rotor Motor for eVTOL Application. In 2022 International Conference on Electrical Machines (ICEM) (2094-2099). https://doi.org/10.1109/ICEM51905.2022.9910584

This paper aims to present the feasibility and advantages of slotless motors for electric aircraft applications. Currently, eVTOL (electric vertical takeoff and landing) aircraft are equipped with a slotted motor with concentrated windings and an out... Read More about Fast Sizing Tool and Optimization Technique for Concentrated Wound Slotless Outer Rotor Motor for eVTOL Application.

Investigating Synchronous Reluctance Rotor Performance for Traction Applications against a Permanent Magnet Benchmark (2022)
Conference Proceeding
Connor, P. H., Khowja, M., La Rocca, A., La Rocca, S., Zou, T., Vakil, G., …Paciura, K. (2022). Investigating Synchronous Reluctance Rotor Performance for Traction Applications against a Permanent Magnet Benchmark. . https://doi.org/10.1109/icem51905.2022.9910649

This paper investigates the potential benefits for the use of synchronous reluctance machines for traction applications. Permanent magnet machines are often used to generate the highest power densities. However, magnet use has drawbacks including tem... Read More about Investigating Synchronous Reluctance Rotor Performance for Traction Applications against a Permanent Magnet Benchmark.

On the Fault Tolerance and PM Demagnetisation of a High-Performance Aircraft Propulsion Motor (2022)
Conference Proceeding
Hebala, A., Nuzzo, S., Connor, P. H., Gerada, C., & Galea, M. (2022). On the Fault Tolerance and PM Demagnetisation of a High-Performance Aircraft Propulsion Motor. . https://doi.org/10.1109/icem51905.2022.9910866

In this paper, a study of the fault-tolerance and demagnetisation of a high-performance aircraft propulsion motor is investigated. The motor is proposed with either three or four sets of three-phase windings, while maintaining the same magnetic and t... Read More about On the Fault Tolerance and PM Demagnetisation of a High-Performance Aircraft Propulsion Motor.

Concept and Preliminary Sizing of a Dual DC-Bus Homopolar Generator Using Diode Rectifiers (2022)
Conference Proceeding
Vannini, A., Papini, L., Marfoli, A., Gerada, C., & Bolognesi, P. (2022). Concept and Preliminary Sizing of a Dual DC-Bus Homopolar Generator Using Diode Rectifiers. In 2022 International Conference on Electrical Machines (ICEM) (2074-2080). https://doi.org/10.1109/icem51905.2022.9910897

Synchronous Homopolar Generators represent an attractive solution for the future of power generation in propulsive systems based on hybrid turbo-electric drivetrains. In fact they feature both a fully controllable excitation, similar to wound-field s... Read More about Concept and Preliminary Sizing of a Dual DC-Bus Homopolar Generator Using Diode Rectifiers.

Power Loss and Performance Analysis of a Permanent Magnet Synchronous Motor for Actuator Applications (2022)
Conference Proceeding
Tameemi, A., Degano, M., Di Nardo, M., Murataliyev, M., Gerada, D., Xu, Z., & Gerada, C. (2022). Power Loss and Performance Analysis of a Permanent Magnet Synchronous Motor for Actuator Applications. In 2022 International Conference on Electrical Machines (ICEM) (807-813). https://doi.org/10.1109/icem51905.2022.9910911

Permanent magnet synchronous motors are very suitable in applications demanding high power density with high performance requirements, such as in aerospace actuators. Achieving high performance targets while keeping the total weight of the electrical... Read More about Power Loss and Performance Analysis of a Permanent Magnet Synchronous Motor for Actuator Applications.

Modelling, Analysis, and Design of a Line-Start Permanent Magnet Synchronous Motor (2022)
Conference Proceeding
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.

Performance Assessment of Standard Cooling Strategies for Hairpin Windings (2022)
Conference Proceeding
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.

Analytical Model for the Open Circuit Field due to Different Magnetization Patterns of the rotor in the Slotless Machines (2022)
Conference Proceeding
Dave, N., Gerada, D., Vakil, G., Zhang, H., Li, J., & Gerada, C. (2022). Analytical Model for the Open Circuit Field due to Different Magnetization Patterns of the rotor in the Slotless Machines. In 2022 International Conference on Electrical Machines (ICEM) (1204-1210). https://doi.org/10.1109/icem51905.2022.9910580

From the existing literature, the open circuit field due to different magnetisations of the rotor magnets is known. This includes field due to parallel, radial and Halbach magnetisation. This paper presents the generalised analytical model to represe... Read More about Analytical Model for the Open Circuit Field due to Different Magnetization Patterns of the rotor in the Slotless Machines.