All Outputs (161)

Designing an Advanced Electrical Motor for Propulsion of Electric Aircraft (2019)
Conference Proceeding
Golovanov, D., Xu, Z., Gerada, D., Page, A., Gerada, C., & Sawata, T. (2019). Designing an Advanced Electrical Motor for Propulsion of Electric Aircraft. In AIAA Propulsion and Energy 2019 Forum. https://doi.org/10.2514/6.2019-4482

A prototype motor rated for 500 kW 3,000 rpm has been developed for aircraft electric propulsion. The design of the motor was optimized using a coupled parameter problem of electromagnetic, mechanical and thermal performances. A high power density of... Read More about Designing an Advanced Electrical Motor for Propulsion of Electric Aircraft.

Comparative Analysis of AC losses with round magnet wire and Litz wire winding of a High – Speed PM Machine (2019)
Conference Proceeding
Bardalai, A., Zhang, X., Zou, T., Gerada, D., Li, J., & Gerada, C. (2019). Comparative Analysis of AC losses with round magnet wire and Litz wire winding of a High – Speed PM Machine. In 2019 22nd International Conference on Electrical Machines and Systems (ICEMS). https://doi.org/10.1109/ICEMS.2019.8922173

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.

A SiC based 2-Level Power Converter for Shape-and-Space-Restricted Aerospace Applications (2019)
Conference Proceeding
Nasir, U., Chowdhury, S., La Rocca, A., Chen, Y., Yang, T., Wheeler, P., …Bozhko, S. (2019). A SiC based 2-Level Power Converter for Shape-and-Space-Restricted Aerospace Applications. In Proceedings on the 2019 IEEE 13th International Conference on Power Electronics and Drive Systems (PEDS) (1-7). https://doi.org/10.1109/PEDS44367.2019.8998907

Recent advancements in the power electronic device technologies, such as wide-band-gap devices including Silicon-Carbide (SiC) and Galium-Nitride (GaN), are acting as an enabling factor in development of compact power electronic systems. More specifi... Read More about A SiC based 2-Level Power Converter for Shape-and-Space-Restricted Aerospace Applications.

Thermo-Mechanical Modelling of Bearing Chambers of a High-Speed Starter/Generator (2019)
Conference Proceeding
Rocca, A. L., Connor, P. H., Xu, Z., Eastwick, C. N., Pickering, S. J., & Gerada, C. (2019). Thermo-Mechanical Modelling of Bearing Chambers of a High-Speed Starter/Generator. In 2019 IEEE International Electric Machines & Drives Conference (IEMDC) (322-328). https://doi.org/10.1109/iemdc.2019.8785357

This paper describes the thermal-mechanical characterisation methodology for the bearing chambers of a high-speed (32,000 rpm) electrical starter/generator [1]; presenting a low cost analysis approach and design guideline for future machines. The met... Read More about Thermo-Mechanical Modelling of Bearing Chambers of a High-Speed Starter/Generator.

On the design of partial discharge-free low voltage electrical machines (2019)
Conference Proceeding
Madonna, V., Giangrande, P., Zhao, W., Zhang, H., Gerada, C., & Galea, M. (2019). On the design of partial discharge-free low voltage electrical machines. In 2019 IEEE International Electric Machines & Drives Conference (IEMDC) (1837-1842). https://doi.org/10.1109/IEMDC.2019.8785413

Modern electrical machines employed in transportation applications are required to provide high performance in terms of power (and torque) density. At the same time, being these applications safety-critical, a significant level of reliability and/or... Read More about On the design of partial discharge-free low voltage electrical machines.

Dual-Rotor Permanent Magnet Motor for Electric Superbike (2019)
Conference Proceeding
Golovanov, D., Galassini, A., Flanagan, L., Gerada, D., Xu, Z., & Gerada, C. (2019). Dual-Rotor Permanent Magnet Motor for Electric Superbike. In 2019 IEEE International Electric Machines & Drives Conference (IEMDC) (951-956). https://doi.org/10.1109/IEMDC.2019.8785287

The demand on high-performance electrical machines has significantly increased for aerospace and transportation industries in recent years. A racing electric motorbike is a suitable platform to validate and prove new concepts and machine topologies b... Read More about Dual-Rotor Permanent Magnet Motor for Electric Superbike.

Single-Phase Open-Circuit Fault Operation of Bearingless Multi-Sector PM Machines (2019)
Conference Proceeding
Wen, Z., Valente, G., Formentini, A., Papini, L., Zanchetta, P., & Gerada, C. (2019). Single-Phase Open-Circuit Fault Operation of Bearingless Multi-Sector PM Machines. In Proceedings of 2019 IEEE International Electric Machines & Drives Conference (IEMDC) (1087-1092). https://doi.org/10.1109/IEMDC.2019.8785111

This paper investigates the single-phase open-circuit fault of a bearingless multi-sector PM synchronous machine. The mathematical model of the suspension force and torque generation is developed for both healthy and faulty conditions. The model is w... Read More about Single-Phase Open-Circuit Fault Operation of Bearingless Multi-Sector PM Machines.

Torque Ripple Investigation in Squirrel Cage Induction Machines (2019)
Conference Proceeding
Marfoli, A., Sala, G., Papini, L., Bolognesi, P., & Gerada, C. (2019). Torque Ripple Investigation in Squirrel Cage Induction Machines. In 2019 IEEE International Electric Machines & Drives Conference (IEMDC) (140-146). https://doi.org/10.1109/IEMDC.2019.8785364

Low torque ripple of electrical machines is an important requirement for many different applications. The causes of torque fluctuations in squirrel cage asynchronous induction motors might be a challenging task due to the complex phenomena raised by... Read More about Torque Ripple Investigation in Squirrel Cage Induction Machines.

Information Technologies for Distributed Machine Drives: An Overview (2019)
Conference Proceeding
Savi, F., Buticchi, G., Gerada, C., Wheeler, P., & Barater, D. (2019). Information Technologies for Distributed Machine Drives: An Overview. In 2019 IEEE International Electric Machines & Drives Conference (IEMDC) (1805-1809). https://doi.org/10.1109/IEMDC.2019.8785232

The exponential growth experienced by the semiconductor manufacturing field has led to a large proliferation of devices with large amounts computational power, enabling countless technologies and revolutionizing many fields. Control systems and machi... Read More about Information Technologies for Distributed Machine Drives: An Overview.

Optimized Sizing of IPM Machines for Automotive Traction Application (2019)
Conference Proceeding
Valente, G., Gerada, D., Degano, M., Gerada, C., Foulsham, J., & Beeby, D. (2019). Optimized Sizing of IPM Machines for Automotive Traction Application. In 2019 IEEE International Electric Machines & Drives Conference (IEMDC) (970-975). https://doi.org/10.1109/IEMDC.2019.8785245

This paper presents the implementation of an electrical machine design tool including its overall architecture. The tool is flexible and can be employed for the sizing of any permanent magnet synchronous machine. The case study considered in this wor... Read More about Optimized Sizing of IPM Machines for Automotive Traction Application.

Simplified Analytical Machine Sizing for Surface Mounted Permanent Magnet Machines (2019)
Conference Proceeding
Xie, P., Ramanathan, R., Vakil, G., & Gerada, C. (2019). Simplified Analytical Machine Sizing for Surface Mounted Permanent Magnet Machines

This paper proposes a simple analytical machine sizing process for a three-phase surface mounted permanent magnet synchronous machines appropriate for both system level analysis and preliminary machine design. For system-level analysis, the proposed... Read More about Simplified Analytical Machine Sizing for Surface Mounted Permanent Magnet Machines.

Sizing, design, and modelling of aerospace electric drive system with long feeder cables (2019)
Conference Proceeding
Xie, P., Vakil, G., & Gerarda, C. (2019). Sizing, design, and modelling of aerospace electric drive system with long feeder cables

The aviation industry is tending towards more electric aircraft, replacing conventionally pneumatic, hydraulic, and mechanical systems with electrical solutions. The electrification of actuators is motivated by increased efficiency, reduced maintenan... Read More about Sizing, design, and modelling of aerospace electric drive system with long feeder cables.

Braking torque compensation strategy and thermal behavior of a dual three-phase winding PMSM during short-circuit fault (2019)
Conference Proceeding
Giangrande, P., Madonna, V., Nuzzo, S., Gerada, C., & Galea, M. (2019). Braking torque compensation strategy and thermal behavior of a dual three-phase winding PMSM during short-circuit fault. . https://doi.org/10.1109/iemdc.2019.8785164

© 2019 IEEE. Permanent magnet synchronous machines (PMSMs)employing the dual three-phase winding represent a suitable solution for complying with the reliability requirements typically needed in safety-critical applications. Their inherent fault-tole... Read More about Braking torque compensation strategy and thermal behavior of a dual three-phase winding PMSM during short-circuit fault.

Active Thermal Control for Power Converters in Modular Winding Permanent Magnet Synchronous Motor (2019)
Conference Proceeding
Yan, H., Buticchi, G., Yang, J., Zhao, W., Zhang, H., & Gerada, C. (2019). Active Thermal Control for Power Converters in Modular Winding Permanent Magnet Synchronous Motor. In Proceedings - 2019 IEEE 13th International Conference on Compatibility, Power Electronics and Power Engineering (CPE-POWERENG) (1-6). https://doi.org/10.1109/CPE.2019.8862416

To increase the reliability and reduce the torque ripple, modular winding structure has been employed in the Permanent Magnet Synchronous Motors (PMSMs). However, the reliability of the motor system depends on the lifetime of the power semiconductor... Read More about Active Thermal Control for Power Converters in Modular Winding Permanent Magnet Synchronous Motor.

Reduced Order Lumped Parameter Thermal Network for Dual Three-Phase Permanent Magnet Machines (2019)
Conference Proceeding
Giangrande, P., Madonna, V., Nuzzo, S., Spagnolo, C., Gerada, C., & Galea, M. (2019). Reduced Order Lumped Parameter Thermal Network for Dual Three-Phase Permanent Magnet Machines. In Proceedings 2019 IEEE Workshop on Electrical Machines Design, Control and Diagnosis (WEMDCD) (71-76). https://doi.org/10.1109/WEMDCD.2019.8887772

© 2019 IEEE. In recent years, electrical machines are employed in an ever-increasing number of safety-critical applications, which require high power density, along with a demanding level of reliability and/or fault-tolerance capability. Multi-phase... Read More about Reduced Order Lumped Parameter Thermal Network for Dual Three-Phase Permanent Magnet Machines.

Asymmetrical Flux Density Distribution in Stator Teeth of Surface Permanent Magnet Machines (2019)
Conference Proceeding
Sala, G., De Gaetano, D., Degano, M., & Gerada, C. (2019). Asymmetrical Flux Density Distribution in Stator Teeth of Surface Permanent Magnet Machines. In Proceedings - 2019 IEEE Workshop on Electrical Machines Design, Control and Diagnosis (WEMDCD) (29-33). https://doi.org/10.1109/WEMDCD.2019.8887831

This work is showing in detail the flux density behaviour in the stator teeth of a synchronous machine. A 3-phase Surface Permanent Magnet (SPM) motor is considered. These motors are widely employed in applications where high efficiency and power den... Read More about Asymmetrical Flux Density Distribution in Stator Teeth of Surface Permanent Magnet Machines.

Eddy Current Loss Control in High Speed PM Starter-Generator (2019)
Conference Proceeding
Zhang, X., Zhang, H., Gerada, C., Gerada, D., Li, J., Xu, Z., & Liu, C. (2019). Eddy Current Loss Control in High Speed PM Starter-Generator. In Proceedings: 2019 IEEE Workshop on Electrical Machines Design, Control and Diagnosis (WEMDCD) (46-50). https://doi.org/10.1109/WEMDCD.2019.8887771

This paper highlights the advancement in high speed generation applications along with describing the state of the art in the machine design technologies enabling such an application uptake. Via the investigating on a 250kW high speed PM starter-gene... Read More about Eddy Current Loss Control in High Speed PM Starter-Generator.

Synchronous Reluctance Motor Iron Losses: Analytical Model and Optimization (2018)
Conference Proceeding
Mahmoud, H., Degano, M., Bacco, G., Bianchi, N., & Gerada, C. (2018). Synchronous Reluctance Motor Iron Losses: Analytical Model and Optimization. In 2018 IEEE Energy Conversion Congress and Exposition (ECCE) (1640-1647). https://doi.org/10.1109/ECCE.2018.8558292

The complex rotor structure of synchronous reluctance machines causes a high harmonic content in the air-gap flux density and then flux density fluctuations in different iron parts. The importance of determining accurately the total iron losses in th... Read More about Synchronous Reluctance Motor Iron Losses: Analytical Model and Optimization.

Design Considerations of Fault-Tolerant Electromechanical Actuator Systems for More Electric Aircraft (MEA) (2018)
Conference Proceeding
Zhu, S., Cox, T., Xu, Z., Gerada, C., & Li, C. (2018). Design Considerations of Fault-Tolerant Electromechanical Actuator Systems for More Electric Aircraft (MEA). . https://doi.org/10.1109/ECCE.2018.8557426

This paper studies the concerns such as architecture and reliability in the deployment of electromechanical actuator (EMA) in the actuation system for more electric aircraft (MEA). First, the reliability of the actuation system architecture such as c... Read More about Design Considerations of Fault-Tolerant Electromechanical Actuator Systems for More Electric Aircraft (MEA).

Performance Analysis of PMSM for High-Speed Starter-Generator System (2018)
Conference Proceeding
Diab, A., Gerada, C., Rashed, M., Bozhko, S., & Li, J. (2018). Performance Analysis of PMSM for High-Speed Starter-Generator System. In Proceedings - 2018 IEEE International Conference on Electrical Systems for Aircraft, Railway, Ship Propulsion and Road Vehicles & International Transportation Electrification Conference (ESARS-ITEC) (1-7). https://doi.org/10.1109/ESARS-ITEC.2018.8607764

© 2018 IEEE. This paper presents the operating characteristics of surface-mounted permanent magnet synchronous machine taking into account the influence of stator resistance and inductance variation at high frequencies, whose effect are always neglec... Read More about Performance Analysis of PMSM for High-Speed Starter-Generator System.