Skip to main content

Research Repository

Advanced Search

Outputs (43)

Integrated Damper Cage for THD Improvements of Variable Speed Salient-Pole Synchronous Generators for the More Electric Aircraft (2021)
Journal Article
Wang, Y., Nuzzo, S., Gerada, C., Zhang, H., Zhao, W., & Galea, M. (2022). Integrated Damper Cage for THD Improvements of Variable Speed Salient-Pole Synchronous Generators for the More Electric Aircraft. IEEE Transactions on Transportation Electrification, 8(3), 3618-3629. https://doi.org/10.1109/tte.2021.3139366

Wound field synchronous generators (WFSGs) have been implemented as aircraft main ac power generation for decades. The trend of moving toward more electric aircraft (MEA) made dc and variable-frequency ac buses favorable for the next-generation power... Read More about Integrated Damper Cage for THD Improvements of Variable Speed Salient-Pole Synchronous Generators for the More Electric Aircraft.

Review on the Traditional and Integrated Passives: State-of-the-Art Design and Technologies (2021)
Journal Article
Khowja, M. R., Abebe, R., Vakil, G., Walker, A., Patel, C., Gerada, C., Bobba, P. B., & Cascella, G. L. (2021). Review on the Traditional and Integrated Passives: State-of-the-Art Design and Technologies. Energies, 15(1), Article 88. https://doi.org/10.3390/en15010088

With the increased necessity of a high power density and efficient system in aerospace and marine industries, integrated motor drives provide an excellent solution in the modern era. Therefore, a close structural and functional integration of passive... Read More about Review on the Traditional and Integrated Passives: State-of-the-Art Design and Technologies.

Impact of Static Air-Gap Eccentricity on Thermal Responses of Stator Winding Insulation in Synchronous Generators (2021)
Journal Article
He, Y.-L., Sun, K., Wu, Y., Zhao, H.-S., Wang, X.-L., Gerada, C., & Gerada, D. (2022). Impact of Static Air-Gap Eccentricity on Thermal Responses of Stator Winding Insulation in Synchronous Generators. IEEE Transactions on Industrial Electronics, 69(12), 13544-13554. https://doi.org/10.1109/TIE.2021.3135627

In this article, we present a comprehensive analysis on the thermal response characteristics of the stator winding insulation under static air-gap eccentricity (SAGE) conditions in synchronous generators. Different from previous studies, this article... Read More about Impact of Static Air-Gap Eccentricity on Thermal Responses of Stator Winding Insulation in Synchronous Generators.

Carbon Emission Analysis of Electrical Machines (2021)
Presentation / Conference Contribution
Zhang, X., Xu, Z., Gerada, C., & Gerada, D. (2021, October). Carbon Emission Analysis of Electrical Machines. Presented at 24th International Conference on Electrical Machines and Systems (ICEMS 2021), Gyeongju, Korea, Republic of

The industry places increased importance on carbon reduction. Many are focused on lowering the fuel consumption of electrical machines, however, carbon emissions from the acquisition of raw materials and the energy consumption of manufacturing proces... Read More about Carbon Emission Analysis of Electrical Machines.

An Extended State Loop Filter With Position Error Observer for Sensorless IPMSM Drives (2021)
Journal Article
Xu, Z., & Gerada, C. (2022). An Extended State Loop Filter With Position Error Observer for Sensorless IPMSM Drives. IEEE Transactions on Industrial Electronics, 69(12), 12213-12224. https://doi.org/10.1109/tie.2021.3134061

Sensorless drives of interior permanent magnet synchronous motors (IPMSMs) find a broad range of applications due to their inherent benefits. In practical electrified propulsions, the IPMSM drives are usually working in highly utilized conditions whe... Read More about An Extended State Loop Filter With Position Error Observer for Sensorless IPMSM Drives.

Commercial Aircraft Electrification—Current State and Future Scope (2021)
Journal Article
Tom, L., Khowja, M., Vakil, G., & Gerada, C. (2021). Commercial Aircraft Electrification—Current State and Future Scope. Energies, 14(24), Article 8381. https://doi.org/10.3390/en14248381

Electric and hybrid-electric aircraft propulsion are rapidly revolutionising mobility technologies. Air travel has become a major focus point with respect to reducing greenhouse gas emissions. The electrification of aircraft components can bring seve... Read More about Commercial Aircraft Electrification—Current State and Future Scope.

Significance of Anisotropic Thermal Expansion in High Speed Electric Machines Employing NdFeB Permanent Magnets (2021)
Journal Article
Kumar, R., La Rocca, A., Vakil, G., Gerada, D., Gerada, C., & Fernandes, B. G. (2021). Significance of Anisotropic Thermal Expansion in High Speed Electric Machines Employing NdFeB Permanent Magnets. Energies, 14(22), Article 7558. https://doi.org/10.3390/en14227558

Many high speed applications employ a surface permanent magnet (PM) machine topology with a retaining sleeve due to its robustness and ability to achieve high overall peripheral speeds as well as efficiencies. One often overlooked feature in the mech... Read More about Significance of Anisotropic Thermal Expansion in High Speed Electric Machines Employing NdFeB Permanent Magnets.

Calculation Model of Armature Reaction Magnetic Field of Interior Permanent Magnet Synchronous Motor With Segmented Skewed Poles (2021)
Journal Article
An, Y., Ma, C., Zhang, N., Guo, Y., Degano, M., Gerada, C., Bu, F., Yin, X., Li, Q., & Zhou, S. (2022). Calculation Model of Armature Reaction Magnetic Field of Interior Permanent Magnet Synchronous Motor With Segmented Skewed Poles. IEEE Transactions on Energy Conversion, 37(2), 1115-1123. https://doi.org/10.1109/tec.2021.3123359

In an interior permanent magnet synchronous motor (IPMSM) with segmented skewed poles, the armature reaction magnetic field (AR-MF) changes nonlinearly due to the saturation of the rotor magnetic barrier. Meanwhile, this varies under different excita... Read More about Calculation Model of Armature Reaction Magnetic Field of Interior Permanent Magnet Synchronous Motor With Segmented Skewed Poles.

Influence of the Magnetic Load on High Speed Synchronous Reluctance Machines Design (2021)
Presentation / Conference Contribution
Gallicchio, G., Palmieri, M., Cupertino, F., Di Nardo, M., Degano, M., & Gerada, C. (2021, October). Influence of the Magnetic Load on High Speed Synchronous Reluctance Machines Design. Presented at IECON 2021 - 47th Annual Conference of the IEEE Industrial Electronics Society, Toronto, ON, Canada

Synchronous reluctance machines are becoming a widespread solution in many engineering areas thanks to their simple rotor structure, the absence of rare-earth permanent magnets and high efficiency. The design of such machines is a widely investigated... Read More about Influence of the Magnetic Load on High Speed Synchronous Reluctance Machines Design.

Modelling, Analysis and Design Considerations of Multi-Phase Bearingless Permanent Magnet Synchronous Machine (2021)
Presentation / Conference Contribution
Marfoli, A., Nardo, M. D., Garvey, S., Degano, M., Vashisht, R., Turnbull, R., & Gerada, C. (2021, October). Modelling, Analysis and Design Considerations of Multi-Phase Bearingless Permanent Magnet Synchronous Machine. Presented at IEEE Energy Conversion Congress and Exposition (ECCE 2021), Vancouver, BC, Canada

This paper presents a general multi-harmonics analytical model able to predict both torque and force behaviour of a multi-phase permanent magnet synchronous machine. This machine topology can be adopted in bearingless applications and in application... Read More about Modelling, Analysis and Design Considerations of Multi-Phase Bearingless Permanent Magnet Synchronous Machine.