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System-Level Motor Drive Modelling for Optimization-based Designs (2019)
Conference Proceeding
Cheong, B., Giangrande, P., Zhang, X., Galea, M., Zanchetta, P., & Wheeler, P. (2019). System-Level Motor Drive Modelling for Optimization-based Designs. https://doi.org/10.23919/EPE.2019.8914883

To achieve optimal system weight and efficiency, the design of main components in an AC motor drive (electric machine and power converter) have to be optimized together. This is challenging considering the multiphysics and complex nature of its opera... Read More about System-Level Motor Drive Modelling for Optimization-based Designs.

Thermal Barrier for High-Voltage Permanent Magnet Synchronous Motor with Air-cooling Hybrid Ventilation Systems (2019)
Conference Proceeding
Zhang, X., Zhang, H., Li, W., Gerada, C., Gerada, D., & Li, J. (2019). Thermal Barrier for High-Voltage Permanent Magnet Synchronous Motor with Air-cooling Hybrid Ventilation Systems. In Proceedings of the 22nd International Conference on Electrical Machines and Systems (ICEMS) (1-4). https://doi.org/10.1109/icems.2019.8922364

This paper addresses the thermal network improvement in a 315 kW high-voltage solid rotor permanent magnet synchronous motor, with a hybrid air-cooling system, by the proposed thermal barrier. The multi-coupled fields, as electromagnetic fields, flui... Read More about Thermal Barrier for High-Voltage Permanent Magnet Synchronous Motor with Air-cooling Hybrid Ventilation Systems.

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.

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.

Thermal investigation on HSPM with new alloy sleeve (2017)
Conference Proceeding
Zhang, X., Li, W., Zhang, H., Gerada, C., Gerada, D., & Li, J. (2017). Thermal investigation on HSPM with new alloy sleeve. . https://doi.org/10.1109/ICEMS.2017.8056423

This paper presents a developed copper-iron alloy which made as the rotor sleeve in a high speed permanent magnetic machine (HSPMG), whist investigating its benefits in improve machine thermal performance. The features of the new alloy is experimenta... Read More about Thermal investigation on HSPM with new alloy sleeve.

CQICO and multiobjective thermal optimization for high-speed PM generator (2017)
Journal Article
Zhang, X., Li, W., Gerada, C., Zhang, H., Li, J., Galea, M., …Cao, J. (2017). CQICO and multiobjective thermal optimization for high-speed PM generator. IEEE Transactions on Magnetics, 53(6), https://doi.org/10.1109/TMAG.2017.2658187

This paper proposes a novel Continuous Quantum Immune Clonal Optimization (CQICO) algorithm for thermal optimization on an 117kW high speed permanent magnet generator (HSPMG). The proposed algorithm mixes the Quantum Computation into the Immune Cloni... Read More about CQICO and multiobjective thermal optimization for high-speed PM generator.

Control integrated studies on high speed permanent magnetic generators system (2015)
Journal Article
Li, J., Zhang, X., Zhang, H., Huang, X., Gerada, C., & Galea, M. (2015). Control integrated studies on high speed permanent magnetic generators system. IEEE Transactions on Magnetics, 51(11), https://doi.org/10.1109/TMAG.2015.2451102

The power converter and its control system has great impact on the behavior of the high speed permanent magnet generator system (HSPGS) due to the high operating frequency, and therefore should be investigated in the design and research on the HSPGS.... Read More about Control integrated studies on high speed permanent magnetic generators system.

Design considerations for the tooth shoe shape for high-speed permanent magnet generators (2015)
Journal Article
Zhang, H., Zhang, X., Gerada, C., Galea, M., Gerada, D., & Li, J. (2015). Design considerations for the tooth shoe shape for high-speed permanent magnet generators. IEEE Transactions on Magnetics, 51(11), Article 8112904. https://doi.org/10.1109/TMAG.2015.2448096

This paper presents a study of the effects that the shoe shape of the teeth of electrical machines has on the performance and losses. This is done by considering a concentrated wound, high-speed permanent magnet generator. The paper investigates the... Read More about Design considerations for the tooth shoe shape for high-speed permanent magnet generators.

Electrothermal combined optimization on notch in air-cooled high-speed permanent-magnet generator (2014)
Journal Article
Zhang, X., Li, W., Baoquan, K., Cao, J., Cao, H., Gerada, C., & Zhang, H. (2014). Electrothermal combined optimization on notch in air-cooled high-speed permanent-magnet generator. IEEE Transactions on Magnetics, 51(1), https://doi.org/10.1109/TMAG.2014.2332437

A 30kVA, 96000rpm, air cooled high-speed permanent magnetic generator (HSPMG) is investigated in this paper. Considering effects on both the magnetic circuit and heat transfer paths comprehensively, the stator slot notch in this HSPMG is optimized. F... Read More about Electrothermal combined optimization on notch in air-cooled high-speed permanent-magnet generator.