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Comparison of slotted and slotless PM machines for high kW/kg aerospace applications (2020)
Conference Proceeding
Dave, N., Vakil, G., Xu, Z., Gerada, C., Zhang, H., & Gerada, D. (2020). Comparison of slotted and slotless PM machines for high kW/kg aerospace applications. . https://doi.org/10.23919/icems50442.2020.9291221

With the ambitious targeted emissions reduction, the aircraft industry is moving towards drastically different aircraft architectures including hybrid-electric. These in turn require electrical machines with a step change improvement in power-density... Read More about Comparison of slotted and slotless PM machines for high kW/kg aerospace applications.

AC loss Analysis in Winding of Electrical Machines with varying Strands-in-hand and Bundle Shapes (2020)
Conference Proceeding
Bardalai, A., Gerada, D., Xu, Z., & Gerada, C. (2020). AC loss Analysis in Winding of Electrical Machines with varying Strands-in-hand and Bundle Shapes. In 2020 23rd International Conference on Electrical Machines and Systems (ICEMS) (845-850). https://doi.org/10.23919/icems50442.2020.9290897

This paper presents an investigation into the sensitivity of high-frequency AC effects on the winding with varying number of parallel strands. Based on numerical analysis, a methodology to segregate the losses into components is presented. It is show... Read More about AC loss Analysis in Winding of Electrical Machines with varying Strands-in-hand and Bundle Shapes.

Influence of Rotor Design on Electromagnetic Performance in Interior Permanent Magnet Machines (2020)
Conference Proceeding
Transi, T., Murataliyev, M., Degano, M., Preci, E., Gerada, D., & Gerada, C. (2020). Influence of Rotor Design on Electromagnetic Performance in Interior Permanent Magnet Machines. . https://doi.org/10.1109/iecon43393.2020.9255237

Nowadays, Interior Permanent Magnet Synchronous Machines (IPMSM) are widely adopted in various sectors such as automotive, railway or public transportation (e- buses, trams, etc.). Among the benefits that these machines present, they offer a number o... Read More about Influence of Rotor Design on Electromagnetic Performance in Interior Permanent Magnet Machines.

Rectangular and Random Conductors: AC Losses Evaluations and Manufacturing Considerations (2020)
Conference Proceeding
Preci, E., Valente, G., Bardalai, A., Transi, T., Zou, T., Gerada, D., …Gerada, C. (2020). Rectangular and Random Conductors: AC Losses Evaluations and Manufacturing Considerations. . https://doi.org/10.1109/iecon43393.2020.9254278

This paper presents a comparison between hairpin and random distributed winding in electrical machines for automotive applications. Indeed, the overall performance of an electrical drive system is seriously affected by its winding design. The conside... Read More about Rectangular and Random Conductors: AC Losses Evaluations and Manufacturing Considerations.

SISO Control Strategy of Resonant Dual Active Bridge with a Tuned CLC Network (2020)
Conference Proceeding
Wang, M., Yang, B., Xu, L., Li, J., Gerada, D., Gu, C., …Li, Y. (2020). SISO Control Strategy of Resonant Dual Active Bridge with a Tuned CLC Network. In 2020 22nd European Conference on Power Electronics and Applications (EPE'20 ECCE Europe). https://doi.org/10.23919/epe20ecceeurope43536.2020.9215606

This paper proposed a linear state-space model for a resonant dual active bridge with a tuned capacitor-inductor-capacitor network which is applied to an energy storage system. The proposed model is used for predicting the behavior of the proposed sy... Read More about SISO Control Strategy of Resonant Dual Active Bridge with a Tuned CLC Network.

An Analytical Approach for the Design of Innovative Hairpin Winding Layouts (2020)
Conference Proceeding
Arzillo, A., Nuzzo, S., Braglia, P., Franceschini, G., Barater, D., Gerada, D., & Gerada, C. (2020). An Analytical Approach for the Design of Innovative Hairpin Winding Layouts. . https://doi.org/10.1109/icem49940.2020.9270927

This work deals with an analytical approach aimed at accurately predicting Joule losses in innovative hairpin winding layouts. While hairpin windings are seeing an everincreasing use in automotive and aerospace applications due to their inherently hi... Read More about An Analytical Approach for the Design of Innovative Hairpin Winding Layouts.

Challenges and Future opportunities of Hairpin Technologies (2020)
Conference Proceeding
Arzillo, A., Braglia, P., Nuzzo, S., Barater, D., Franceschini, G., Gerada, D., & Gerada, C. (2020). Challenges and Future opportunities of Hairpin Technologies. . https://doi.org/10.1109/ISIE45063.2020.9152417

Hairpin windings are seeing an ever-increasing application and development in electrical machines designed for high power and torque densities. In fact, due to their inherently high fill factor, they are very attractive in applications, such as trans... Read More about Challenges and Future opportunities of Hairpin Technologies.