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Sensitivity Analysis of Machine Components Thermal Properties Effects on Winding Temperature (2019)
Conference Proceeding
Zhang, F., Gerada, D., Xu, Z., Zhang, H., & Gerada, C. (2019). Sensitivity Analysis of Machine Components Thermal Properties Effects on Winding Temperature. In 2019 22nd International Conference on Electrical Machines and Systems (ICEMS). https://doi.org/10.1109/ICEMS.2019.8922095

This paper investigates the sensitivity analysis of winding temperature to key parameters in electrical machine thermal design. With a validated 3D thermal model based on an existing 75kW traction machine for an electric vehicle, the methodology of t... Read More about Sensitivity Analysis of Machine Components Thermal Properties Effects on Winding Temperature.

Equivalent Slot Thermal Conductivity and Back-iron Extension Effects on Machine Cooling (2019)
Conference Proceeding
Zhang, F., Gerada, D., Xu, Z., Zhang, H., & Gerada, C. (2019). Equivalent Slot Thermal Conductivity and Back-iron Extension Effects on Machine Cooling. In Proceedings of 2019 22nd International Conference on Electrical Machines and Systems (ICEMS). https://doi.org/10.1109/ICEMS.2019.8921725

Back-iron Extension (BIE) is an effective thermal management technique which reduces the winding temperatures by projecting part of the back iron into the center of slot, thereby shortening the heat transfer path between the coil and back iron. Based... Read More about Equivalent Slot Thermal Conductivity and Back-iron Extension Effects on Machine Cooling.

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.

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.

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.

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.