All Outputs (25)

Current-Fed Isolated DC/DC Converter for Future Aerospace Microgrids (2018)
Journal Article
Tarisciotti, L., Costabeber, A., Chen, L., Walker, A., & Galea, M. (2019). Current-Fed Isolated DC/DC Converter for Future Aerospace Microgrids. IEEE Transactions on Industry Applications, 55(3), 2823-2832. https://doi.org/10.1109/tia.2018.2889845

High-performance power conversion equipment is currently gaining an increasing interest for aircraft applications. In particular, isolated bidirectional dc/dc converters are often proposed for modern aircraft distribution systems. A current-fed isola... Read More about Current-Fed Isolated DC/DC Converter for Future Aerospace Microgrids.

Simplified Damper Cage Circuital Model and Fast Analytical–Numerical Approach for the Analysis of Synchronous Generators (2018)
Journal Article
Nuzzo, S., Bolognesi, P., Gerada, C., & Galea, M. (2019). Simplified Damper Cage Circuital Model and Fast Analytical–Numerical Approach for the Analysis of Synchronous Generators. IEEE Transactions on Industrial Electronics, 66(11), 8361-8371. https://doi.org/10.1109/tie.2018.2885737

The long and enduring history of utilization of the wound-field synchronous generator in a large number of applications makes it one of the most known and consolidated electrical machine technologies. Thus, its design, modeling, and analysis processe... Read More about Simplified Damper Cage Circuital Model and Fast Analytical–Numerical Approach for the Analysis of Synchronous Generators.

Design of PMSM for EMA Employed in Secondary Flight Control Systems (2018)
Conference Proceeding
Giangrande, P., Al-Timimy, A., Galassini, A., Papadopoulos, S., Degano, M., & Galea, M. (2018). Design of PMSM for EMA Employed in Secondary Flight Control Systems. In Proceedings - 2018 IEEE International Conference on Electrical Systems for Aircraft, Railway, Ship Propulsion and Road Vehicles & International Transportation Electrification Conference (ESARS-ITEC) (1-6). https://doi.org/10.1109/ESARS-ITEC.2018.8607467

© 2018 IEEE. The more electric aircraft (MEA) initiative aims to improve weight, fuel consumption and maintenance costs of the aircraft, by increasing the use of electric power in actuation systems. Considering this scenario, electromechanical actuat... Read More about Design of PMSM for EMA Employed in Secondary Flight Control Systems.

Design of Fault-Tolerant Dual Three-Phase Winding PMSM for Helicopter Landing Gear EMA (2018)
Conference Proceeding
Giangrande, P., Madonna, V., Nuzzo, S., & Galea, M. (2018). Design of Fault-Tolerant Dual Three-Phase Winding PMSM for Helicopter Landing Gear EMA. In 2018 IEEE International Conference on Electrical Systems for Aircraft, Railway, Ship Propulsion and Road Vehicles & International Transportation Electrification Conference (ESARS-ITEC) (1-6). https://doi.org/10.1109/ESARS-ITEC.2018.8607684

On modern rotorcraft, electro-mechanical actuators (EMAs) are progressively replacing the bulky and more expensive hydraulic and/or pneumatic systems. Although the migration towards alternative actuation solutions, reliability remains a key requireme... Read More about Design of Fault-Tolerant Dual Three-Phase Winding PMSM for Helicopter Landing Gear EMA.

Impact of thermal overload on the insulation aging in short duty cycle motors for aerospace (2018)
Conference Proceeding
Madonna, V., Giangrande, P., Lusuardi, L., Cavallini, A., & Galea, M. (2018). Impact of thermal overload on the insulation aging in short duty cycle motors for aerospace. In 2018 IEEE International Conference on Electrical Systems for Aircraft, Railway, Ship Propulsion and Road Vehicles & International Transportation Electrification Conference (ESARS-ITEC) (1-6). https://doi.org/10.1109/ESARS-ITEC.2018.8607539

Electric motors for aerospace applications are often characterised by short-time duty rather than continuous-duty operations. Some of the main requirements for these machines are high torque density and reliability. Considerable torque density improv... Read More about Impact of thermal overload on the insulation aging in short duty cycle motors for aerospace.

State of the Art of Electric Taxiing Systems (2018)
Conference Proceeding
Lukic, M., Hebala, A., Giangrande, P., Klumpner, C., Nuzzo, S., Chen, G., …Galea, M. (2018). State of the Art of Electric Taxiing Systems. In Proceedings - 2018 IEEE International Conference on Electrical Systems for Aircraft, Railway, Ship Propulsion and Road Vehicles & International Transportation Electrification Conference (ESARS-ITEC) (1-6). https://doi.org/10.1109/ESARS-ITEC.2018.8607786

The aviation industry represents an ever-expanding economy and the aircraft market forecast reveals an optimistic growth for the coming decades. New requirements and guidelines call for a more efficient, reliable, and environment friendly aircraft op... Read More about State of the Art of Electric Taxiing Systems.

Model Predictive Control Based PID Controller for PMSM for Propulsion Systems (2018)
Conference Proceeding
Abdelrauf, A. A., Saad, W. W., Hebala, A., & Galea, M. (2018). Model Predictive Control Based PID Controller for PMSM for Propulsion Systems. In 2018 IEEE International Conference on Electrical Systems for Aircraft, Railway, Ship Propulsion and Road Vehicles and International Transportation Electrification Conference, ESARS-ITEC 2018 (1-7). https://doi.org/10.1109/ESARS-ITEC.2018.8607585

Model Predictive Control (MPC) is one of the most suitable controllers for industrial applications, especially for constrained systems. However, it requires high computational burden, which is considered as the main drawback. Proportional Integral De... Read More about Model Predictive Control Based PID Controller for PMSM for Propulsion Systems.

On the Effects of Advanced End-Winding Cooling on the Design and Performance of Electrical Machines (2018)
Conference Proceeding
Madonna, V., Giangrande, P., Adam, W., & Galea, M. (2018). On the Effects of Advanced End-Winding Cooling on the Design and Performance of Electrical Machines. https://doi.org/10.1109/ICELMACH.2018.8507170

High performance and reliable electrical machines are often required in modern applications and an appropriate thermal management allows to fulfil such demand. Thermal management is crucial for improving performance, reducing size and preserving the... Read More about On the Effects of Advanced End-Winding Cooling on the Design and Performance of Electrical Machines.

Design and testing of PMSM for aerospace EMA applications (2018)
Conference Proceeding
Giangrande, P., Madonna, V., Sala, G., Kladas, A., Gerada, C., & Galea, M. (2018). Design and testing of PMSM for aerospace EMA applications. In IECON 2018 - 44th Annual Conference of the IEEE Industrial Electronics Society (2038-2043). https://doi.org/10.1109/IECON.2018.8591318

The more-electric aircraft initiative represents an important technology step-change for the aircraft industry. The reduction of both fuel consumption and environmental impact are leading to alternative solutions for actuating the flight control surf... Read More about Design and testing of PMSM for aerospace EMA applications.

Consideration on Eddy Current Reduction Techniques for Solid Materials Used in Unconventional Magnetic Circuits (2018)
Journal Article
Mohammed, A. M., Galea, M., Cox, T., & Gerada, C. (2019). Consideration on Eddy Current Reduction Techniques for Solid Materials Used in Unconventional Magnetic Circuits. IEEE Transactions on Industrial Electronics, 66(6), 4870-4879. https://doi.org/10.1109/TIE.2018.2875641

The use of solid materials in tubular, linear machines has significant manufacturing benefits, as this removes the need for an axially laminated stator. However, this comes at the cost of extra eddy current losses. In this paper, a detailed analysis... Read More about Consideration on Eddy Current Reduction Techniques for Solid Materials Used in Unconventional Magnetic Circuits.

An active modulation scheme to boost voltage utilisation of the dual converter with a floating bridge (2018)
Journal Article
Huang, Z., Yang, T., Wheeler, P., Galea, M., Giangrande, P., & Chowdhury, S. (2019). An active modulation scheme to boost voltage utilisation of the dual converter with a floating bridge. IEEE Transactions on Industrial Electronics, 66(7), 5623-5633. https://doi.org/10.1109/TIE.2018.2873539

This paper proposes a capacitor voltage regulation method for the dual converter with a floating bridge for aerospace applications. This topology has previously been reported, but with a constrained voltage utilisation factor due to the need for capa... Read More about An active modulation scheme to boost voltage utilisation of the dual converter with a floating bridge.

Simplified Analytical Circuital Model of Damper Windings Exploiting Symmetries (2018)
Conference Proceeding
Nuzzo, S., Bolognesi, P., & Galea, M. (2018). Simplified Analytical Circuital Model of Damper Windings Exploiting Symmetries. In Proceedings - 2018 XIII International Conference on Electrical Machines (ICEM) (400-406). https://doi.org/10.1109/ICELMACH.2018.8507262

The damper windings of salient-pole, wound-field synchronous generators are currently attracting a renewed interest due to their impact on the machine efficiency and power quality, which was somewhat overlooked in the past. This paper focuses on the... Read More about Simplified Analytical Circuital Model of Damper Windings Exploiting Symmetries.

Thermal analysis of fault-tolerant electrical machines for aerospace actuators (2018)
Journal Article
Madonna, V., Giangrande, P., Galea, M., & Gerada, C. (2019). Thermal analysis of fault-tolerant electrical machines for aerospace actuators. IET Electric Power Applications, 13(7), 843 – 852. https://doi.org/10.1049/iet-epa.2018.5153

For safety critical applications, electrical machines need to satisfy several constraints, in order to be considered fault-tolerant. In fact, if specific design choices and appropriate control strategies are embraced, fault-tolerant machines can oper... Read More about Thermal analysis of fault-tolerant electrical machines for aerospace actuators.

Improved thermal management and analysis for stator end-windings of electrical machines (2018)
Journal Article
Madonna, V., Walker, A., Giangrande, P., Serra, G., Gerada, C., & Galea, M. (2019). Improved thermal management and analysis for stator end-windings of electrical machines. IEEE Transactions on Industrial Electronics, 66(7), 5057-5069. https://doi.org/10.1109/tie.2018.2868288

In electrical machine design, thermal management plays a key role in improving performance and reducing size. End-windings are commonly identified as the machine hot-spot. Hence, lowering and predicting end-windings temperature are crucial tasks in t... Read More about Improved thermal management and analysis for stator end-windings of electrical machines.

Investigation of AC Copper and Iron Losses in High-Speed High-Power Density PMSM (2018)
Conference Proceeding
Al-Timimy, A., Giangrande, P., Degano, M., Galea, M., & Gerada, C. (2018). Investigation of AC Copper and Iron Losses in High-Speed High-Power Density PMSM. In Proceedings - 2018 XIII International Conference on Electrical Machines (ICEM) (263-269). https://doi.org/10.1109/ICELMACH.2018.8507166

This paper presents a detailed investigation of AC copper losses in high-speed high-power density permanent magnet synchronous machine. For parallel strands winding, it is not easy to accurately estimate the AC copper losses using finite element mode... Read More about Investigation of AC Copper and Iron Losses in High-Speed High-Power Density PMSM.

Combined Thermofluid and Electromagnetic Optimisation of Stator Vent Cooling (2018)
Conference Proceeding
Bersch, K., Nuzzo, S., Connor, P. H., Eastwick, C. N., Galea, M., Rolston, R., & Vakil, G. (2018). Combined Thermofluid and Electromagnetic Optimisation of Stator Vent Cooling. In Proceedings: 2018 XIII International Conference on Electrical Machines (ICEM) (1116-1122). https://doi.org/10.1109/ICELMACH.2018.8507231

© 2018 IEEE. A combined electromagnetic and thermal modelling approach has been developed to optimise the design of multiple radial stator vents in an air-cooled, synchronous generator with a power rating of several hundred kVA. An experimentally val... Read More about Combined Thermofluid and Electromagnetic Optimisation of Stator Vent Cooling.

A methodology to remove stator skew in small-medium size synchronous generators via innovative damper cage designs (2018)
Journal Article
Nuzzo, S., Bolognesi, P., Vakil, G., Fallows, D., Gerada, C., Brown, N. L., & Galea, M. (2019). A methodology to remove stator skew in small-medium size synchronous generators via innovative damper cage designs. IEEE Transactions on Industrial Electronics, 66(6), 4926-4307. https://doi.org/10.1109/tie.2018.2864699

This paper proposes and investigates an innovative methodology that can have a significant impact on the market potential of wound field, small-medium size synchronous generators. The technique proposed here is aimed at removing the need for the trad... Read More about A methodology to remove stator skew in small-medium size synchronous generators via innovative damper cage designs.

Electrical power generation in aircraft: review, challenges and opportunities (2018)
Journal Article
Madonna, V., Giangrande, P., & Galea, M. (2018). Electrical power generation in aircraft: review, challenges and opportunities. IEEE Transactions on Transportation Electrification, 4(3), 646-659. https://doi.org/10.1109/TTE.2018.2834142

The constant growth of air traffic, the demand for performance optimization and the need for decreasing both operating and maintenance costs have encouraged the aircraft industry to move towards more electric solutions. As a result of this trend, ele... Read More about Electrical power generation in aircraft: review, challenges and opportunities.

Harmonic reduction methods for electrical generation: a review (2018)
Journal Article
Fallows, D., Nuzzo, S., Costabeber, A., & Galea, M. (in press). Harmonic reduction methods for electrical generation: a review. IET Generation, Transmission and Distribution, https://doi.org/10.1049/iet-gtd.2018.0008

This paper provides a comprehensive literature review of techniques for harmonic related power quality improvement of electrical generation systems. An increasing interest in these aspects is due to the ever more stringent power quality... Read More about Harmonic reduction methods for electrical generation: a review.

A CFD and experimental investigation into a non-intrusive method for measuring cooling air mass flow rate through a synchronous generator (2018)
Conference Proceeding
Bersch, K., Connor, P. H., Eastwick, C. N., & Galea, M. (2018). A CFD and experimental investigation into a non-intrusive method for measuring cooling air mass flow rate through a synchronous generator.

This paper presents a detailed methodology for a non-intrusive measurement of cooling air mass flow rate that enables an overall machine evaluation. This approach enables the simultaneous measurement of air mass flow with shaft torque at differing op... Read More about A CFD and experimental investigation into a non-intrusive method for measuring cooling air mass flow rate through a synchronous generator.