All Outputs (19)

Synchronous Reluctance Motor Iron Losses: Analytical Model and Optimization (2018)
Presentation / Conference Contribution
Mahmoud, H., Degano, M., Bacco, G., Bianchi, N., & Gerada, C. (2018). Synchronous Reluctance Motor Iron Losses: Analytical Model and Optimization. In 2018 IEEE Energy Conversion Congress and Exposition (ECCE) (1640-1647). https://doi.org/10.1109/ECCE.2018.8558292

The complex rotor structure of synchronous reluctance machines causes a high harmonic content in the air-gap flux density and then flux density fluctuations in different iron parts. The importance of determining accurately the total iron losses in th... Read More about Synchronous Reluctance Motor Iron Losses: Analytical Model and Optimization.

Performance Analysis of PMSM for High-Speed Starter-Generator System (2018)
Presentation / Conference Contribution
Diab, A., Gerada, C., Rashed, M., Bozhko, S., & Li, J. (2018). Performance Analysis of PMSM for High-Speed Starter-Generator System. In Proceedings - 2018 IEEE International Conference on Electrical Systems for Aircraft, Railway, Ship Propulsion and Road Vehicles & International Transportation Electrification Conference (ESARS-ITEC) (1-7). https://doi.org/10.1109/ESARS-ITEC.2018.8607764

© 2018 IEEE. This paper presents the operating characteristics of surface-mounted permanent magnet synchronous machine taking into account the influence of stator resistance and inductance variation at high frequencies, whose effect are always neglec... Read More about Performance Analysis of PMSM for High-Speed Starter-Generator System.

High Frequency Harmonic Current Generator for More Electric Aircraft Based on GaN HFETs (2018)
Presentation / Conference Contribution
Wang, M., Fan, B., Xu, L., Kuiwang, K., Zheng, Z., Li, Y., …Li, J. (2018). High Frequency Harmonic Current Generator for More Electric Aircraft Based on GaN HFETs. In Proceedings - 2018 IEEE International Conference on Electrical Systems for Aircraft, Railway, Ship Propulsion and Road Vehicles & International Transportation Electrification Conference (ESARS-ITEC) (1-7). https://doi.org/10.1109/ESARS-ITEC.2018.8607717

© 2018 IEEE. With the development of more electric aircraft (MEA), the number of power electronic equipment and variable frequency electrical loads are increasing rapidly, which leads to challenges in terms of power quality of aircraft power system.... Read More about High Frequency Harmonic Current Generator for More Electric Aircraft Based on GaN HFETs.

Performance Comparison of Doubly Salient Reluctance Generators for High-Voltage DC Power System of More Electric Aircraft (2018)
Presentation / Conference Contribution
Li, Y., Zhang, Z., Gerada, D., & Gerada, C. (2018). Performance Comparison of Doubly Salient Reluctance Generators for High-Voltage DC Power System of More Electric Aircraft. 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.2018.8607694

The generation performance of the switched reluctance machine (SRM)-based starter/generator (S/G) and the doubly salient electromagnetic machine (DSEM)-based S/G is analyzed and compared in this paper. The topologies, operation principles of the doub... Read More about Performance Comparison of Doubly Salient Reluctance Generators for High-Voltage DC Power System of More Electric Aircraft.

A Novel Thermal Network Model Used for Temperature Calculation and Analysis on Brushless Doubly-Fed Generator With Winding Encapsulating Structure (2018)
Journal Article
Jiang, X., Zhang, Y., Jin, S., Zhang, F., & Gerada, C. (2019). A Novel Thermal Network Model Used for Temperature Calculation and Analysis on Brushless Doubly-Fed Generator With Winding Encapsulating Structure. IEEE Transactions on Industry Applications, 55(2), 1473-1483. https://doi.org/10.1109/tia.2018.2883542

© 1972-2012 IEEE. In recent years, magnetic-barrier rotor has been put forward for brushless doubly-fed generator (BDFG) application owing to its desirable performance, such as high power density and strong magnetic coupling ability. However, it also... Read More about A Novel Thermal Network Model Used for Temperature Calculation and Analysis on Brushless Doubly-Fed Generator With Winding Encapsulating Structure.

Mid-Complexity Circuital Model of Induction Motor with Rotor Cage: A Numerical Resolution (2018)
Presentation / Conference Contribution
Bolognesi, P., Gerada, C., Papini, L., & Marfoli, A. (2018). Mid-Complexity Circuital Model of Induction Motor with Rotor Cage: A Numerical Resolution. In Proceedings 2018 XIII International Conference on Electrical Machines (ICEM) (277 - 283). https://doi.org/10.1109/ICELMACH.2018.8506685

A general middle complexity model of electromagnetic devices is applied to a cage induction motor. Such modelling approach has been simplified and adapted in order to pursue a fair representation of the electrical machine. Particular attention was gi... Read More about Mid-Complexity Circuital Model of Induction Motor with Rotor Cage: A Numerical Resolution.

An Integrated Method for Three-Phase AC Excitation and High-Frequency Voltage Signal Injection for Sensorless Starting of Aircraft Starter/Generator (2018)
Journal Article
Wei, J., Xu, H., Zhou, B., Zhang, Z., & Gerada, C. (2019). An Integrated Method for Three-Phase AC Excitation and High-Frequency Voltage Signal Injection for Sensorless Starting of Aircraft Starter/Generator. IEEE Transactions on Industrial Electronics, 66(7), 5611-5622. https://doi.org/10.1109/tie.2018.2871795

© 1982-2012 IEEE. This paper proposes an integrated method of three-phase ac excitation and high-frequency voltage signal injection (HFVSI) for sensorless controlled starting of brushless synchronous machines (BSM) used as starter/generator in variab... Read More about An Integrated Method for Three-Phase AC Excitation and High-Frequency Voltage Signal Injection for Sensorless Starting of Aircraft Starter/Generator.

Design of an Integrated Inductor for 45kW Aerospace Starter-Generator (2018)
Presentation / Conference Contribution
Raza Khowja, M., Gerada, C., Vakil, G., Quadri, S. Q., Wheeler, P., & Patel, C. (2018). Design of an Integrated Inductor for 45kW Aerospace Starter-Generator. In 2018 IEEE Transportation and Electrification Conference and Expo (ITEC) (570-575). https://doi.org/10.1109/ITEC.2018.8450246

A close physical and functional integration of passive components is required to make an efficient and power dense overall system. Such power dense systems are a prerequisite in aerospace and marine applications. This paper presents a design of an in... Read More about Design of an Integrated Inductor for 45kW Aerospace Starter-Generator.

Mass Production Costing of Induction Machines for Automotive Applications (2018)
Presentation / Conference Contribution
Hundak, V., Cox, T., Vakil, G., & Gerada, C. (2018). Mass Production Costing of Induction Machines for Automotive Applications. In 2018 IEEE Transportation and Electrification Conference and Expo (ITEC) (500-505). https://doi.org/10.1109/ITEC.2018.8450116

Cost is one of the key parameters of electric machines designed for automotive applications. In order to keep manufacturing cost low, it is desirable to estimate the manufacturing cost of the machine in the early stages of the design process. For thi... Read More about Mass Production Costing of Induction Machines for Automotive Applications.

Wide bandgap voltage source inverter design for automotive electric drivetrain (2018)
Presentation / Conference Contribution
Savi, F., Buticchi, G., Gerada, C., Wheeler, P., & Barater, D. (in press). Wide bandgap voltage source inverter design for automotive electric drivetrain.

In this paper a high power, high frequency voltage source inverter for automotive traction application is reviewed. The main objectives of the design process is the maximization of power density, while keeping high efficiency and low weight. In this... Read More about Wide bandgap voltage source inverter design for automotive electric drivetrain.

Design of a 43kW switched reluctance machine for a high performance hybrid electric vehicle (2018)
Presentation / Conference Contribution
Talha, A., Vakil, G., Cox, T., & Gerada, C. (2018). Design of a 43kW switched reluctance machine for a high performance hybrid electric vehicle. In NA

A switched reluctance machine (SRM) is very robust and capable to perform well under harsh conditions. It is simple in construction and avoids the use of magnets so it is cheap to manufacture. The powertrain of a hybrid vehicle presents challenging c... Read More about Design of a 43kW switched reluctance machine for a high performance hybrid electric vehicle.

A Smart Transformer-Rectifier Unit for the More Electric Aircraft (2018)
Presentation / Conference Contribution
Buticchi, G., Gerada, C., Ko, Y. J., & Liserre, M. (2018). A Smart Transformer-Rectifier Unit for the More Electric Aircraft. In Proceedings - 2018 IEEE 27th International Symposium on Industrial Electronics (ISIE) (324-328). https://doi.org/10.1109/ISIE.2018.8433784

In the framework of the More Electric Aircraft (MEA), an efficient and flexible power distribution system is of paramount importance. Considering the presence of both AC and DC loads at multiple voltage levels, the distribution system of the most mod... Read More about A Smart Transformer-Rectifier Unit for the More Electric Aircraft.

Space Weather Prediction to Enhance the Reliability of the More Electric Aircraft (2018)
Presentation / Conference Contribution
Guo, J., Buticchi, G., & Gerada, C. (2018). Space Weather Prediction to Enhance the Reliability of the More Electric Aircraft. In Proceedings 2018 27th International Symposium on Industrial Electronics (ISIE) (445-450). https://doi.org/10.1109/ISIE.2018.8433845

Power devices manufacturers know that electronic devices are susceptible to radiation events. Galactic Cosmic Rays (GCR) coming from space can interact with the earth atmosphere, generating secondary particles (electrons, neutrons, protons) that can... Read More about Space Weather Prediction to Enhance the Reliability of the More Electric Aircraft.

Novel core designs to miniaturise passive magnetic components (2018)
Presentation / Conference Contribution
Walker, A., Vakil, G., & Gerada, C. (2018). Novel core designs to miniaturise passive magnetic components. In NA

Converter sizes are often dominated by passive magnetic components. Passive magnetic component sizes are in turn limited by electromagnetic saturation and thermal limits. This paper covers two modifications to the air gaps of tape wound amorphous mag... Read More about Novel core designs to miniaturise passive magnetic components.

Multi-Physics and Multi-Objective Optimization of a High Speed PMSM for High Performance Applications (2018)
Journal Article
Zhao, W., Wang, X., Gerada, C., Zhang, H., Liu, C., & Wang, Y. (2018). Multi-Physics and Multi-Objective Optimization of a High Speed PMSM for High Performance Applications. IEEE Transactions on Magnetics, 54(11), Article 8106405. https://doi.org/10.1109/TMAG.2018.2835504

© 1965-2012 IEEE. High-speed permanent magnet synchronous machine (PMSM) can provide high power density and high efficiency, which is often highly desirable in high performance applications. A multi-physics optimization program based on the multi-obj... Read More about Multi-Physics and Multi-Objective Optimization of a High Speed PMSM for High Performance Applications.

Power quality improvement of synchronous generators using an active power filter (2018)
Journal Article
Abu-Jalala, A., Cox, T., Gerada, C., Rashed, M., Hamiti, T., & Brown, N. (2018). Power quality improvement of synchronous generators using an active power filter. IEEE Transactions on Industry Applications, 54(5), 4080-4090. https://doi.org/10.1109/TIA.2018.2828789

Active power filters (APF) are used to improve power quality and are commonly connected in parallel with the load at the point of common coupling (PCC). They are used to compensate for harmonics from nonlinear loads, for reactive power compensation a... Read More about Power quality improvement of synchronous generators using an active power filter.

Synchronous reluctance motor iron losses: considering machine non-linearity at MTPA, FW, and MTPV operating conditions (2018)
Journal Article
Mahmoud, H., Bacco, G., Degano, M., Bianchi, N., & Gerada, C. (2018). Synchronous reluctance motor iron losses: considering machine non-linearity at MTPA, FW, and MTPV operating conditions. IEEE Transactions on Energy Conversion, 33(3), 1402-1410. https://doi.org/10.1109/TEC.2018.2811543

Synchronous reluctance machine has high flux density fluctuations in the iron due to the high harmonics results from the rotor anisotropy. Thus, an accurate computation of the iron losses is of paramount importance, especially during the design stage... Read More about Synchronous reluctance motor iron losses: considering machine non-linearity at MTPA, FW, and MTPV operating conditions.

Design of a stator for a high-speed turbo-generator with fixed permanent magnet rotor radius and volt-ampere constraints (2018)
Journal Article
Fernando, N., Arumugam, P., & Gerada, C. (2018). Design of a stator for a high-speed turbo-generator with fixed permanent magnet rotor radius and volt-ampere constraints. IEEE Transactions on Energy Conversion, 33(3), 1311-1320. https://doi.org/10.1109/TEC.2018.2804955

This paper investigates high-speed surface PM machine design for portable turbo-generator applications. The rotor radius is fixed to achieve certain optimal characteristics of the magnet retention mechanism. The basis of this paper is to design and s... Read More about Design of a stator for a high-speed turbo-generator with fixed permanent magnet rotor radius and volt-ampere constraints.

Magnetic field and torque output of packaged hydraulic torque motor (2018)
Journal Article
Yan, L., Duan, Z., Zhang, Q., Niu, S., Dong, Y., & Gerada, C. (2018). Magnetic field and torque output of packaged hydraulic torque motor. Energies, 11(1), https://doi.org/10.3390/en11010134

Hydraulic torque motors are one key component in electro-hydraulic servo valves that convert the electrical signal into mechanical motions. The systematic characteristics analysis of the hydraulic torque motor has not been found in the previous resea... Read More about Magnetic field and torque output of packaged hydraulic torque motor.