Professor CHRISTOPHER GERADA's Outputs (188)

High speed drives review: machines, converters and applications (2016)
Presentation / Conference Contribution
Abebe, R., Di Nardo, M., Gerada, D., Lo Calzo, G., Papini, L., & Gerada, C. High speed drives review: machines, converters and applications. Presented at 42nd Annual Conference of IEEE Industrial Electronics Society (IECON 2016)

The development of new power electronic device and high performance magnetic materials are the main technological factors that have led both industries and research community to focus their attention on high speed electrical drives. Several papers ha... Read More about High speed drives review: machines, converters and applications.

Novel integrative options for passive filter inductor in high speed AC drives (2016)
Presentation / Conference Contribution
Raza Khowja, M., Gerada, C., Vakil, G., Wheeler, P., & Patel, C. (2016, October). Novel integrative options for passive filter inductor in high speed AC drives. Presented at IECON 2016 - 42nd Annual Conference of the IEEE Industrial Electronics Society, Florence, Italy

This paper presents novel integration options for passive inductor which include: motor-shaped rotational and motor-shaped rotor-less inductor for high speed motor drive system. The novel options have been designed and their performance is compared w... Read More about Novel integrative options for passive filter inductor in high speed AC drives.

Trade-off analysis and design of a high power density PM machine for flooded industrial pump (2016)
Presentation / Conference Contribution
Al-Timimy, A., Degano, M., Xu, Z., Lo Calzo, G., Giangrande, P., Galea, M., Gerada, C., & Zhang, H. Trade-off analysis and design of a high power density PM machine for flooded industrial pump. Presented at 42nd Annual Conference of IEEE Industrial Electronics Society

This paper presents the trade-off analysis and design of a high power-density machine for industrial pump applications. The developed permanent magnet synchronous machine drives an electric, oil flooded pump. Different slot/pole combination and windi... Read More about Trade-off analysis and design of a high power density PM machine for flooded industrial pump.

Design and initial testing of a high speed 45 kW switched reluctance drive for aerospace application (2016)
Journal Article
Bartolo, J. B., Degano, M., Espina, J., & Gerada, C. (2017). Design and initial testing of a high speed 45 kW switched reluctance drive for aerospace application. IEEE Transactions on Industrial Electronics, 64(2), 988-997. https://doi.org/10.1109/TIE.2016.2618342

This paper presents innovative research towards the development of a 45 kW high speed switched reluctance drive as an alternative starter-generator for future aero-engines. To perform such a function the machine had to be designed with a very wide co... Read More about Design and initial testing of a high speed 45 kW switched reluctance drive for aerospace application.

2-D analytical model for dual-stator machines with permanent magnets (2016)
Presentation / Conference Contribution
Golovanov, D., Galea, M., & Gerada, C. 2-D analytical model for dual-stator machines with permanent magnets. Presented at IEEE IECON 2016: the 42nd Annual Conference of IEEE Industrial Electronics Society

This paper proposes an analytical model that considers the torque characteristics and results in an optimum geometry for dual-stator synchronous machines with permanent magnets. The distribution of the magnetic field in the air gap is obtained by sol... Read More about 2-D analytical model for dual-stator machines with permanent magnets.

Structural design optimization of a high speed synchronous reluctance machine (2016)
Presentation / Conference Contribution
Di Nardo, M., Lo Calzo, G., Galea, M., & Gerada, C. Structural design optimization of a high speed synchronous reluctance machine. Presented at XXIIth International Conference on Electrical Machines (ICEM'2016)

Synchronous reluctance machines, including the permanent magnet assisted variants are competitive motor topologies if the application requires high efficiency and a cost effective solution with a high flux weakening capability. However, increasing sp... Read More about Structural design optimization of a high speed synchronous reluctance machine.

Distributed current control for multi-three phase synchronous machines in fault conditions (2016)
Presentation / Conference Contribution
Galassini, A., Costabeber, A., Degano, M., Gerada, C., Tessarolo, A., & Castellan, S. Distributed current control for multi-three phase synchronous machines in fault conditions. Presented at XXIIth International Conference on Electrical Machines (ICEM'2016)

Among challenges and requirements of on-going electrification process and future transportation systems there is demand for arrangements with both increased fault tolerance and reliability. Next aerospace, power-train and automotive systems exploitin... Read More about Distributed current control for multi-three phase synchronous machines in fault conditions.

Thermal management of a permanent magnet motor for an directly coupled pump (2016)
Presentation / Conference Contribution
Xu, Z., Al-Timimy, A., Degano, M., Giangrande, P., Lo Calzo, G., Zhang, H., Galea, M., & Gerada, C. Thermal management of a permanent magnet motor for an directly coupled pump. Presented at International Conference on Electrical Machines (ICEM 2016)

A high speed permanent magnet motor is designed for a flooded industrial pump. Oil in the pump is used to cool the motor. Due to the limitation of space and mass requirement for the application, thermal management is one of the main challenges. This... Read More about Thermal management of a permanent magnet motor for an directly coupled pump.

Short term duty electrical machines (2016)
Presentation / Conference Contribution
Arumugam, P., & Gerada, C. Short term duty electrical machines. Presented at International Conference on Electrical Machines (ICEM'2016)

This paper presents a design of a short term duty electrical machine working in an extreme environment consisting of 80oC ambient temperature and altitudes of over 30,000m. Higher power density is a key factor in the design wherein the machine’s oper... Read More about Short term duty electrical machines.

Design and optimization of a high power density machine for flooded industrial pump (2016)
Presentation / Conference Contribution
Al-Timimy, A., Degano, M., Giangrande, P., Lo Calzo, G., Xu, Z., Galea, M., Gerada, C., Zhang, H., & Xia, L. Design and optimization of a high power density machine for flooded industrial pump. Presented at 22nd International Conference on Electrical Machines (ICEM 2016)

This paper presents the design optimization procedure of a high power-density, permanent magnet synchronous machine for industrial pump applications. The designed machine drives an electric, oil flooded pump. In order to achieve higher torque-density... Read More about Design and optimization of a high power density machine for flooded industrial pump.

Radial force control of multi-sector permanent magnet machines (2016)
Presentation / Conference Contribution
Valente, G., Papini, L., Formentini, A., Gerada, C., & Zanchetta, P. Radial force control of multi-sector permanent magnet machines. Presented at International Conference on Electrical Machines (ICEM 2016)

The paper presents an alternative radial force control technique for a Multi-Sector Permanent Magnet machine (MSPM). Radial force control has been widely investigated for a variety of bearingless machines and can be also applied to conventional PMSM... Read More about Radial force control of multi-sector permanent magnet machines.

High-Speed Solid Rotor Permanent Magnet Machines: Concept and Design (2016)
Journal Article
Arumugam, P., Xu, Z., La Rocca, A., Vakil, G., Dickinson, M., Amankwah, E. K., Hamiti, T., Bozhko, S., Gerada, C., & Pickering, S. (2016). High-Speed Solid Rotor Permanent Magnet Machines: Concept and Design. IEEE Transactions on Transportation Electrification, 2(3), 391-400. https://doi.org/10.1109/TTE.2016.2592684

© 2015 IEEE. This paper proposes a novel solid rotor topology for an interior permanent magnet (IPM) machine, adopted in this case for an aircraft starter-generator design. The key challenge in the design is to satisfy two operating conditions that a... Read More about High-Speed Solid Rotor Permanent Magnet Machines: Concept and Design.

A modular speed-drooped system for high reliability integrated modular motor drives (2016)
Journal Article
Galassini, A., Costabeber, A., Gerada, C., Buticchi, G., & Barater, D. (2016). A modular speed-drooped system for high reliability integrated modular motor drives. IEEE Transactions on Industry Applications, 52(4), 3124-3132. https://doi.org/10.1109/TIA.2016.2540608

Future transportation challenges include a considerable reduction in pollutant emissions at a time when significant increase in demand is predicted. One of the enabling solutions is the electrification of transport systems as this should lead to impr... Read More about A modular speed-drooped system for high reliability integrated modular motor drives.

Impact of Soft Magnetic Material on Design of High-Speed Permanent-Magnet Machines (2016)
Journal Article
Fernando, N., Vakil, G., Arumugam, P., Amankwah, E. K., Gerada, C., & Bozhko, S. (2017). Impact of Soft Magnetic Material on Design of High-Speed Permanent-Magnet Machines. IEEE Transactions on Industrial Electronics, 64(3), 2415-2423. https://doi.org/10.1109/TIE.2016.2587815

© 2016 IEEE. This paper investigates the effect of two soft magnetic materials on a high-speed machine design, namely, 6.5% silicon steel and cobalt-iron alloy. The effect of design parameters on the machine performance as an aircraft starter-generat... Read More about Impact of Soft Magnetic Material on Design of High-Speed Permanent-Magnet Machines.

Non-linear circuit based model of PMSM under inter-turn fault: a simple approach based on healthy machine data (2016)
Journal Article
Belguerras, L., Arellano-Padilla, J., Arumugam, P., Hamiti, T., Mezani, S., & Gerada, C. (in press). Non-linear circuit based model of PMSM under inter-turn fault: a simple approach based on healthy machine data. IET Electric Power Applications, 10(6), https://doi.org/10.1049/iet-epa.2015.0443

The paper proposes a fast dynamic mathematical model to evaluate the performances of saturated permanent magnet synchronous machines (PMSM) under stator winding’s inter turn fault. The parameters of the model can be determined using only manufacturer... Read More about Non-linear circuit based model of PMSM under inter-turn fault: a simple approach based on healthy machine data.

The importance of considering pushback time and arrivals when routing departures on the ground at airports (2016)
Presentation / Conference Contribution
Stergianos, C., Atkin, J., Schittekat, P., Nordlander, T. E., Gerada, C., & Morvan, H. The importance of considering pushback time and arrivals when routing departures on the ground at airports. Presented at 8th International Conference on Applied Operational Research (ICAOR 2016)

With the constant increase in air traffic, airports are facing capacity problems. Many airports are increasingly interested in utilising optimisation methods for specific airport processes. However, many such processes do happen in parallel, and maxi... Read More about The importance of considering pushback time and arrivals when routing departures on the ground at airports.

Model predictive control for a dual active bridge inverter with a floating bridge (2016)
Journal Article
Chowdhury, S., Wheeler, P., Gerada, C., & Patel, C. (2016). Model predictive control for a dual active bridge inverter with a floating bridge. IEEE Transactions on Industrial Electronics, 63(9), 5558-5568. https://doi.org/10.1109/TIE.2016.2564949

This paper presents a Model Predictive Control technique applied to a dual active bridge inverter where one of the bridges is floating. The proposed floating bridge topology eliminates the need for isolation transformer in a dual inverter system and... Read More about Model predictive control for a dual active bridge inverter with a floating bridge.

A multi-level converter with a floating bridge for open-ended winding motor drive applications (2016)
Journal Article
Chowdhury, S., Wheeler, P., Patel, C., & Gerada, C. (2016). A multi-level converter with a floating bridge for open-ended winding motor drive applications. IEEE Transactions on Industrial Electronics, 63(9), 5366-5375. https://doi.org/10.1109/TIE.2016.2561265

This paper presents a dual three phase open end winding induction motor drive. The drive consists of a three phase induction machine with open stator phase windings and dual bridge inverter supplied from a single DC voltage source. To achieve multi-l... Read More about A multi-level converter with a floating bridge for open-ended winding motor drive applications.

Evaluation of saliency tracking as an alternative for health monitoring in PMSM-drives under nonstationary conditions (2016)
Journal Article
Arellano-Padilla, J., Sumner, M., & Gerada, C. (2016). Evaluation of saliency tracking as an alternative for health monitoring in PMSM-drives under nonstationary conditions. IET Electric Power Applications, 10(4), 284-293. https://doi.org/10.1049/iet-epa.2015.0356

This paper evaluates the capability of saliency tracking to assess the health condition of permanent magnet synchronous motor (PMSM) drives operating under nonstationary conditions. The evaluated scheme is based on saliency tracking methods, which ar... Read More about Evaluation of saliency tracking as an alternative for health monitoring in PMSM-drives under nonstationary conditions.

Integrated motor drives: state of the art and future trends (2016)
Journal Article
Abebe, R., Vakil, G., Lo Calzo, G., Cox, T., Lambert, S., Johnson, C. M., Gerada, C., & Mecrow, B. (2016). Integrated motor drives: state of the art and future trends. IET Electric Power Applications, 10(8), 757-771. https://doi.org/10.1049/iet-epa.2015.0506

With increased need for high power density, high efficiency and high temperature capabilities in aerospace and automotive applications, integrated motor drives (IMD) offers a potential solution. However, close physical integration of the converter an... Read More about Integrated motor drives: state of the art and future trends.