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Asymmetrical Flux Density Distribution in Stator Teeth of Surface Permanent Magnet Machines (2019)
Conference Proceeding
Sala, G., De Gaetano, D., Degano, M., & Gerada, C. (2019). Asymmetrical Flux Density Distribution in Stator Teeth of Surface Permanent Magnet Machines. In Proceedings - 2019 IEEE Workshop on Electrical Machines Design, Control and Diagnosis (WEMDCD) (29-33). https://doi.org/10.1109/WEMDCD.2019.8887831

This work is showing in detail the flux density behaviour in the stator teeth of a synchronous machine. A 3-phase Surface Permanent Magnet (SPM) motor is considered. These motors are widely employed in applications where high efficiency and power den... Read More about Asymmetrical Flux Density Distribution in Stator Teeth of Surface Permanent Magnet Machines.

Implementation of an Advanced Modelica Library for Evaluation of Inverter Loss Modeling (2019)
Conference Proceeding
Lai, S. C., Ian Hill, C., & Suchato, N. (2019). Implementation of an Advanced Modelica Library for Evaluation of Inverter Loss Modeling. In Proceedings of 2019 IEEE Texas Power and Energy Conference (TPEC) (1-6). https://doi.org/10.1109/TPEC.2019.8662144

This paper introduces a newly developed Power Electronic Inverter library in Modelica. The library has different levels of complexity to approximate the power losses in the power inverter. In addition, it provides two different modelling domains (ABC... Read More about Implementation of an Advanced Modelica Library for Evaluation of Inverter Loss Modeling.

Phase-shift-modulation for a current-fed isolated DC-DC converter in more electric aircraft (2018)
Journal Article
Chen, L., Tarisciotti, L., Costabeber, A., Guan, Q., Wheeler, P., & Zanchetta, P. (2019). Phase-shift-modulation for a current-fed isolated DC-DC converter in more electric aircraft. IEEE Transactions on Power Electronics, 34(9), 8528-8543. https://doi.org/10.1109/tpel.2018.2889861

A Phase-Shift-Modulation (PSM) technique is proposed for an Active-Bridge-Active-Clamp (ABAC) topology. This topology is aimed for high power more-electric-aircraft applications. The proposed PSM has a complete switching harmonics cancellation on the... Read More about Phase-shift-modulation for a current-fed isolated DC-DC converter in more electric aircraft.

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.

A Wideband Fault Location Scheme for Active Distribution Systems (2018)
Conference Proceeding
Aboshady, F., Sumner, M., & Thomas, D. (2018). A Wideband Fault Location Scheme for Active Distribution Systems. In 2018 International Conference on Renewable Energy Research and Applications (ICRERA) (891-896). https://doi.org/10.1109/ICRERA.2018.8566780

This paper proposes a fault location technique for future distribution systems with distributed generation. The technique considers the circuit analysis at the non-fundamental frequencies that are generated when a fault occurs. To consider both induc... Read More about A Wideband Fault Location Scheme for Active Distribution Systems.

Holistic appraisal of modeling installed antennas for aerospace applications (2018)
Journal Article
Vukovic, A., Sewell, P., & Benson, T. (2019). Holistic appraisal of modeling installed antennas for aerospace applications. IEEE Transactions on Antennas and Propagation, 67(3), 1396-1409. https://doi.org/10.1109/TAP.2018.2884769

This paper uses the Unstructured Transmission Line Modeling Method to investigate near field interactions between a broadband microwave antenna and a platform that arise as a result of antenna installation. The antenna, feed line and the platform are... Read More about Holistic appraisal of modeling installed antennas for aerospace applications.

Design Considerations of Fault-Tolerant Electromechanical Actuator Systems for More Electric Aircraft (MEA) (2018)
Conference Proceeding
Zhu, S., Cox, T., Xu, Z., Gerada, C., & Li, C. (2018). Design Considerations of Fault-Tolerant Electromechanical Actuator Systems for More Electric Aircraft (MEA). . https://doi.org/10.1109/ECCE.2018.8557426

This paper studies the concerns such as architecture and reliability in the deployment of electromechanical actuator (EMA) in the actuation system for more electric aircraft (MEA). First, the reliability of the actuation system architecture such as c... Read More about Design Considerations of Fault-Tolerant Electromechanical Actuator Systems for More Electric Aircraft (MEA).

Synchronous Reluctance Motor Iron Losses: Analytical Model and Optimization (2018)
Conference Proceeding
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.

A Twin Spool Engine Emulator for the Study of Power Exchange Idea (2018)
Conference Proceeding
Enalou, H. B., Rashed, M., Kulsangcharoen, P., Chowdhury, S., & Bozhko, S. (2018). A Twin Spool Engine Emulator for the Study of Power Exchange Idea. In 2018 IEEE International Conference on Electrical Systems for Aircraft, Railway, Ship Propulsion and Road Vehicles & International Transportation Electrification Conference (ESARS-ITEC) (1-8). https://doi.org/10.1109/ESARS-ITEC.2018.8607540

The More Electric Aircraft (MEA) engine, with electrical machines on both HP and LP shafts, makes it possible to transfer power electrically from one spool to another. Preliminary results have shown considerable improvement in turbofan performance in... Read More about A Twin Spool Engine Emulator for the Study of Power Exchange Idea.

Reliability Analysis of SiC MOSFET Power Module for More Electric Aircraft Motor Drive Applications (2018)
Conference Proceeding
O'Donnell, S., Wheeler, P., & Castellazzi, A. (2018). Reliability Analysis of SiC MOSFET Power Module for More Electric Aircraft Motor Drive Applications. In 2018 IEEE International Conference on Electrical Systems for Aircraft, Railway, Ship Propulsion and Road Vehicles & International Transportation Electrification Conference (ESARS-ITEC) (1-4). https://doi.org/10.1109/esars-itec.2018.8607615

This paper presents a reliability study on a Microsemi 5 kVA Integrated Power Solutions (IPS) module designed to drive an electrical motor in a More Electric Aircraft actuation system. The measures taken in the design of the product and the reliabili... Read More about Reliability Analysis of SiC MOSFET Power Module for More Electric Aircraft Motor Drive Applications.

Variable DC Bus Voltage Control Scheme for the More Electric Aircraft Power Generation System (2018)
Conference Proceeding
Yeoh, S. S., Rashed, M., Bozhko, S., & Sanders, M. (2018). Variable DC Bus Voltage Control Scheme for the More Electric Aircraft Power Generation System. 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.2018.8607758

© 2018 IEEE. This paper aims to introduce a control scheme that offers variable voltage control for more electric aircraft electrical power systems. This control scheme allows increased power intake to the loads by variation of the bus voltage in add... Read More about Variable DC Bus Voltage Control Scheme for the More Electric Aircraft Power Generation System.

Power Density Optimization of a DC/DC Converter for an Aircraft Supercapacitors Energy Storage (2018)
Conference Proceeding
Fritz, N., Rashed, M., & Klumpner, C. (2018). Power Density Optimization of a DC/DC Converter for an Aircraft Supercapacitors Energy Storage. In 2018 IEEE International Conference on Electrical Systems for Aircraft, Railway, Ship Propulsion and Road Vehicles & International Transportation Electrification Conference (ESARS-ITEC) (1-9). https://doi.org/10.1109/ESARS-ITEC.2018.8607774

This paper presents a computationally efficient design algorithm for a DC/DC converter, optimized for power density. Interleaving and series-connecting of several converter cells is included in the analysis. The choice of the converter design paramet... Read More about Power Density Optimization of a DC/DC Converter for an Aircraft Supercapacitors Energy Storage.

Performance Comparison of Doubly Salient Reluctance Generators for High-Voltage DC Power System of More Electric Aircraft (2018)
Conference Proceeding
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.

An Enhanced Power Generation Centre for More Electric Aircraft Applications (2018)
Conference Proceeding
Lang, X., Yang, T., Enalou, H. B., Bozhko, S., & Wheeler, P. (2018). An Enhanced Power Generation Centre for More Electric Aircraft Applications. 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.2018.8607688

© 2018 IEEE. The more-electric aircraft (MEA) concept has become a major trend due to its multiple advantages. Many functions which are conventionally driven by pneumatic, hydraulic and mechanical power systems are replaced by electrical ones onboard... Read More about An Enhanced Power Generation Centre for More Electric Aircraft Applications.

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 and Evaluation of a Power Converter for an Energy Storage System for Aircrafts (2018)
Conference Proceeding
Klumpner, C., & Rashed, M. (2018). Design and Evaluation of a Power Converter for an Energy Storage System for Aircrafts. In Proceedings - 2018 IEEE International Conference on Electrical Systems for Aircraft, Railway, Ship Propulsion and Road Vehicles & International Transportation Electrification Conference (ESARS-ITEC) (1-8). https://doi.org/10.1109/ESARS-ITEC.2018.8607274

This paper presents the design and evaluation of a power converter to be used in an energy storage system for aircrafts that is be able to control the 270V dc bus voltage during large load disturbances and regeneration. A study is conducted in order... Read More about Design and Evaluation of a Power Converter for an Energy Storage System for Aircrafts.

Direct vector control of induction motors based on rotor resistance-invariant rotor flux observer (2018)
Conference Proceeding
Bozhko, S., Kovbasa, S., Nikonenko, Y., & Peresada, S. (2018). Direct vector control of induction motors based on rotor resistance-invariant rotor flux observer. 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.2018.8607640

A novel speed-flux tracking controller for induction motors has been developed and experimentally verified. Direct rotor flux field oriented controller is designed for current-fed induction motor model on the base of full order hybrid continuous time... Read More about Direct vector control of induction motors based on rotor resistance-invariant rotor flux observer.

High Frequency Harmonic Current Generator for More Electric Aircraft Based on GaN HFETs (2018)
Conference Proceeding
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 Analysis of PMSM for High-Speed Starter-Generator System (2018)
Conference Proceeding
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.

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.