Outputs (43)

Segmented Hairpin Topology for Reduced Losses at High-Frequency Operations (2021)
Journal Article
Preci, E., Nuzzo, S., Valente, G., Gerada, D., Barater, D., Degano, M., Buticchi, G., & Gerada, C. (2022). Segmented Hairpin Topology for Reduced Losses at High-Frequency Operations. IEEE Transactions on Transportation Electrification, 8(1), 688-698. https://doi.org/10.1109/TTE.2021.3103821

Nowadays, one of the key challenges in transport electrification is the reduction of components’ size and weight. The electrical machine plays a relevant role in this regard. Designing machines with higher rotational speeds and excitation frequencies... Read More about Segmented Hairpin Topology for Reduced Losses at High-Frequency Operations.

Integrated motor drive: Mass and volume optimization of the motor with an integrated filter inductor (2021)
Journal Article
Khowja, M. R., Vakil, G., Gerada, C., Patel, C., Odhano, S., & Wheeler, P. (2021). Integrated motor drive: Mass and volume optimization of the motor with an integrated filter inductor. Energies, 14(15), Article 4564. https://doi.org/10.3390/en14154564

The present trend of aerospace industries is being shifted towards a “More Electric Aircraft” system which needs to be high power dense. For this purpose, the integration technologies have gained massive interest, providing the benefits of reduced lo... Read More about Integrated motor drive: Mass and volume optimization of the motor with an integrated filter inductor.

A Novel Flux Barrier Parametrization for Synchronous Reluctance Machines (2021)
Journal Article
Korman, O., Di Nardo, M., Degano, M., & Gerada, C. (2021). A Novel Flux Barrier Parametrization for Synchronous Reluctance Machines. IEEE Transactions on Energy Conversion, 37(1), 675-684. https://doi.org/10.1109/TEC.2021.3099628

This paper presents a novel parametrization for the flux barrier profiles of synchronous reluctance and permanent magnet assisted reluctance machines. In literature there are several methods used to design rotor flux barriers of various types, howeve... Read More about A Novel Flux Barrier Parametrization for Synchronous Reluctance Machines.

Modular Power Sharing Control for Bearingless Multi-Three Phase Permanent Magnet Synchronous Machine (2021)
Journal Article
Wen, Z., Di Nardo, M., Sala, G., Valente, G., Marfoli, A., Degano, M., Zanchetta, P., & Gerada, C. (2022). Modular Power Sharing Control for Bearingless Multi-Three Phase Permanent Magnet Synchronous Machine. IEEE Transactions on Industrial Electronics, 69(7), 6600-6610. https://doi.org/10.1109/TIE.2021.3097610

This paper proposes a modular approach to the power sharing control of permanent magnet synchronous bearingless machine. The selected machine topology features a winding layout with phases distributed into non-overlapping three phase groups, a soluti... Read More about Modular Power Sharing Control for Bearingless Multi-Three Phase Permanent Magnet Synchronous Machine.

Torque-Performance Improvement for Direct Torque-Controlled PMSM Drives Based on Duty-Ratio Regulation (2021)
Journal Article
Nasr, A., Gu, C., Wang, X., Buticchi, G., Bozhko, S., & Gerada, C. (2022). Torque-Performance Improvement for Direct Torque-Controlled PMSM Drives Based on Duty-Ratio Regulation. IEEE Transactions on Power Electronics, 37(1), 749-760. https://doi.org/10.1109/tpel.2021.3093344

This article proposes a new duty-ratio regulation-based strategy to improve the torque performance for the direct torque control (DTC) of three-phase permanent magnet synchronous motors (PMSMs). The conventional DTC schemes utilize two hysteresis reg... Read More about Torque-Performance Improvement for Direct Torque-Controlled PMSM Drives Based on Duty-Ratio Regulation.

Analytical Methodology for Modelling of Circulating Current Loss in Synchronous Electrical Machines with Permanent Magnets (2021)
Journal Article
Golovanov, D., & Gerada, C. (2022). Analytical Methodology for Modelling of Circulating Current Loss in Synchronous Electrical Machines with Permanent Magnets. IEEE Transactions on Energy Conversion, 37(1), 220-231. https://doi.org/10.1109/tec.2021.3091811

This paper describes a novel analytical methodology for modelling winding copper losses as a result of circulating currents (CC) in permanent magnet synchronous machines (PMSM). Nowadays mainly FEM method is used for precise calculation of circulatin... Read More about Analytical Methodology for Modelling of Circulating Current Loss in Synchronous Electrical Machines with Permanent Magnets.

Open and Short Circuit Post-Fault Control Strategies for Multi-Three-Phase Interior Permanent Magnet Machines (2021)
Journal Article
Abdul Rahman, A., Galassini, A., Degano, M., Buticchi, G., Cristian Pesce, G., Gerada, C., Bozhko, S., & Almurib, H. A. (2022). Open and Short Circuit Post-Fault Control Strategies for Multi-Three-Phase Interior Permanent Magnet Machines. IEEE Transactions on Energy Conversion, 37(1), 163-174. https://doi.org/10.1109/tec.2021.3090982

This paper presents a post-fault current control strategy for dual three-phase Interior Permanent Magnet (IPM) synchronous machines. The current controllers are designed based on the Vector Space Decomposition (VSD) algorithm. This take into account... Read More about Open and Short Circuit Post-Fault Control Strategies for Multi-Three-Phase Interior Permanent Magnet Machines.

Optimised Current Loop Design for a High Speed Nine-Phase Permanent Magnet Synchronous Machine in More Electric Aircraft: A Case Study (2021)
Presentation / Conference Contribution
Tang, M., Lang, X., Gerada, C., Huang, Z., Velmurugan, G., Zanchetta, P., Wang, B., & Yang, T. (2021, June). Optimised Current Loop Design for a High Speed Nine-Phase Permanent Magnet Synchronous Machine in More Electric Aircraft: A Case Study. Presented at IEEE Transportation Electrification Conference and Expo (ITEC) 2021, Virtual

High speed multi-phase machine has drawn widely attention towards the development of electrification due to its high power density and fault tolerant capability. A 50 kW high speed nine-phase permanent magnet synchronous machine has been designed for... Read More about Optimised Current Loop Design for a High Speed Nine-Phase Permanent Magnet Synchronous Machine in More Electric Aircraft: A Case Study.

High Speed Synchronous Reluctance Machines: Modeling, Design and Limits (2021)
Journal Article
Gallicchio, G., Di Nardo, M., Palmieri, M., Marfoli, A., Degano, M., Gerada, C., & Cupertino, F. (2022). High Speed Synchronous Reluctance Machines: Modeling, Design and Limits. IEEE Transactions on Energy Conversion, 37(1), 585-597. https://doi.org/10.1109/TEC.2021.3086879

An important barrier to the adoption and acceptance of synchronous reluctance (SyR) machines in different applications lies in their non-standardized design procedure. The conflicting requirements incurring at high speeds among electromagnetic torque... Read More about High Speed Synchronous Reluctance Machines: Modeling, Design and Limits.

Electrical Machine Slot Thermal Condition Effects on Back Iron Extension Thermal Benefits (2021)
Journal Article
Zhang, F., Gerada, D., Xu, Z., Tighe, C., Zhang, H., Yan, L., & Gerada, C. (2021). Electrical Machine Slot Thermal Condition Effects on Back Iron Extension Thermal Benefits. IEEE Transactions on Transportation Electrification, 7(4), 2927-2938. https://doi.org/10.1109/tte.2021.3085822

The slot thermal condition is critical for thermal management of high-performance electrical machines, due to the high heat losses and poor heat transfer ability within the slot. With a part of the back iron projected radially downward into the slot,... Read More about Electrical Machine Slot Thermal Condition Effects on Back Iron Extension Thermal Benefits.