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A Contribution to Thermal Ageing Assessment of Glass Fiber Insulated Wire Based on Partial Discharges Activity (2022)
Journal Article
Naderiallaf, H., Giangrande, P., & Galea, M. (2022). A Contribution to Thermal Ageing Assessment of Glass Fiber Insulated Wire Based on Partial Discharges Activity. IEEE Access, 10, 41186-41200. https://doi.org/10.1109/ACCESS.2022.3167698

This paper aims to evaluate a Type-II insulated wire (i.e., Glass fibre insulated wire) as a function of thermal ageing time based on partial discharges (PD) activity. Partial discharge inception voltage (PDIV), partial discharge extinction voltage (... Read More about A Contribution to Thermal Ageing Assessment of Glass Fiber Insulated Wire Based on Partial Discharges Activity.

Technical Review of Dual Inverter Topologies for More Electric Aircraft Applications (2021)
Journal Article
Huang, Z., Yang, T., Giangrande, P., Galea, M., & Wheeler, P. (2021). Technical Review of Dual Inverter Topologies for More Electric Aircraft Applications. IEEE Transactions on Transportation Electrification, https://doi.org/10.1109/tte.2021.3113606

Electric drives are an essential part of more electric aircraft (MEA) applications with ever-growing demands for high power density, high performance, and high fault-tolerant capability. High-speed motor drives can fulfil those needs, but their speed... Read More about Technical Review of Dual Inverter Topologies for More Electric Aircraft Applications.

Fast and Accurate 2D Analytical Subdomain Method for Coaxial Magnetic Coupling Analysis (2021)
Journal Article
Akcay, Y., Giangrande, P., Tweedy, O., & Galea, M. (2021). Fast and Accurate 2D Analytical Subdomain Method for Coaxial Magnetic Coupling Analysis. Energies, 14(15), Article 4656. https://doi.org/10.3390/en14154656

Magnetic couplings (MCs) enable contactless speed/torque transmission via interactions between the magnetic fields of permanent magnets (PMs) rather than a physical mechanical connection. The contactless transmission of mechanical power leads to impr... Read More about Fast and Accurate 2D Analytical Subdomain Method for Coaxial Magnetic Coupling Analysis.

System Level Reliability Assessment of Short Duty Electric Drives for Aerospace (2021)
Journal Article
Madonna, V., Giangrande, P., Harikumaran, J., Buticchi, G., & Galea, M. (2021). System Level Reliability Assessment of Short Duty Electric Drives for Aerospace. IEEE Transactions on Transportation Electrification, 7(3), 1888 - 1900. https://doi.org/10.1109/tte.2021.3053147

The reliability performance of electrical machines and power electronics converters are generally verified separately, even if the two components are meant to be part of the same electric drive. Depending on the application, however, it might be nece... Read More about System Level Reliability Assessment of Short Duty Electric Drives for Aerospace.

Lifetime Estimation of Enameled Wires Under Accelerated Thermal Aging Using Curve Fitting Methods (2021)
Journal Article
Khowja, M. R., Turabee, G., Giangrande, P., Madonna, V., Cosma, G., Vakil, G., …Galea, M. (2021). Lifetime Estimation of Enameled Wires Under Accelerated Thermal Aging Using Curve Fitting Methods. IEEE Access, 9, 18993-19003. https://doi.org/10.1109/access.2021.3052058

Estimating the lifetime of enameled wires using the conventional/standard test method requires a significant amount of time that can endure up to thousands of testing hours, which could considerably delay the time-to-market of a new product. This pap... Read More about Lifetime Estimation of Enameled Wires Under Accelerated Thermal Aging Using Curve Fitting Methods.

Failure modes and reliability oriented system design for aerospace power electronic converters (2020)
Journal Article
Harikumaran, J., Migliazza, G., Buticchi, G., Madonna, V., Giangrande, P., Costabeber, A., …Galea, M. (2021). Failure modes and reliability oriented system design for aerospace power electronic converters. IEEE Open Journal of the Industrial Electronics Society, 2, 53-64. https://doi.org/10.1109/OJIES.2020.3047201

Aircraft electrification has been a major trend in aviation industry for past 20 years. Given the increasing electrical power requirement for future more electric aircraft and hybrid electric aircraft, research efforts has been ongoing in high power... Read More about Failure modes and reliability oriented system design for aerospace power electronic converters.

Electrical Machines for the More Electric Aircraft: Partial Discharges Investigation (2020)
Journal Article
Madonna, V., Giangrande, P., Zhao, W., Zhang, H., Gerada, C., & Galea, M. (2021). Electrical Machines for the More Electric Aircraft: Partial Discharges Investigation. IEEE Transactions on Industry Applications, 57(2), 1389-1398. https://doi.org/10.1109/TIA.2020.3046434

Modern electrical machines employed in transportation applications are required to provide high performance in terms of power (and torque) density. At the same time, being these applications safety-critical, a significant level of reliability and/or... Read More about Electrical Machines for the More Electric Aircraft: Partial Discharges Investigation.

Energy Storage System Selection for Optimal Fuel Consumption of Aircraft Hybrid Electric Taxiing Systems (2020)
Journal Article
Recalde, A., Lukic, M., Hebala, A., Giangrande, P., Klumpner, C., Nuzzo, S., …Galea, M. (2021). Energy Storage System Selection for Optimal Fuel Consumption of Aircraft Hybrid Electric Taxiing Systems. IEEE Transactions on Transportation Electrification, 7(3), 1870-1887. https://doi.org/10.1109/TTE.2020.3039759

IEEE Aircraft taxiing is conventionally performed using the main engines’ inefficient idle thrust. Therefore, in line with greener aviation, the electrification of taxiing is the most viable option to reduce emissions, noise, and fossil fuel consumpt... Read More about Energy Storage System Selection for Optimal Fuel Consumption of Aircraft Hybrid Electric Taxiing Systems.

Additive Manufacturing and Testing of a Soft Magnetic Rotor for a Switched Reluctance Motor (2020)
Journal Article
Gargalis, L., Madonna, V., Giangrande, P., Rocca, R., Hardy, M., Ashcroft, I., …Hague, R. (2020). Additive Manufacturing and Testing of a Soft Magnetic Rotor for a Switched Reluctance Motor. IEEE Access, 8, 206982-206991. https://doi.org/10.1109/ACCESS.2020.3037190

Additive manufacturing is acknowledged as a key enabling technology, although its adoption is still constrained to niche applications. A promising area for this technology is the production of electrical machines (EMs) and/or their main components (e... Read More about Additive Manufacturing and Testing of a Soft Magnetic Rotor for a Switched Reluctance Motor.

Highly Ordered BN⊥–BN⊥ Stacking Structure for Improved Thermally Conductive Polymer Composites (2020)
Journal Article
Ghosh, B., Xu, F., Grant, D. M., Giangrande, P., Gerada, C., George, M. W., & Hou, X. (2020). Highly Ordered BN⊥–BN⊥ Stacking Structure for Improved Thermally Conductive Polymer Composites. Advanced Electronic Materials, 6(11), Article 2000627. https://doi.org/10.1002/aelm.202000627

The substantial heat generation in modern electronic devices is one of the major issues requiring efficient thermal management. This work demonstrates a novel concept for the design of thermally conducting networks inside a polymer matrix for the dev... Read More about Highly Ordered BN⊥–BN⊥ Stacking Structure for Improved Thermally Conductive Polymer Composites.

DC Current Control for a Single-Stage Current Source Inverter in Motor Drive Application (2020)
Journal Article
Migliazza, G., Buticchi, G., Carfagna, E., Lorenzani, E., Madonna, V., Giangrande, P., & Galea, M. (2021). DC Current Control for a Single-Stage Current Source Inverter in Motor Drive Application. IEEE Transactions on Power Electronics, 36(3), 3367-3376. https://doi.org/10.1109/tpel.2020.3013301

The current source inverter (CSI) is a power electronics topology that allows for the realization of variable speed drives (VSD). Compared to the most common voltage source inverter (VSI), which can be directly connected to a voltage source, the CSI... Read More about DC Current Control for a Single-Stage Current Source Inverter in Motor Drive Application.

A Consequent-Pole Hybrid Exciter for Synchronous Generators (2020)
Journal Article
Nuzzo, S., Bolognesi, P., Decuzzi, G., Giangrande, P., & Galea, M. (2021). A Consequent-Pole Hybrid Exciter for Synchronous Generators. IEEE Transactions on Energy Conversion, 36(1), 368-379. https://doi.org/10.1109/tec.2020.3012198

In low-to-medium power generating sets, a self-powered brushless excitation system is typically employed. This solution is cost-effective, simple and compact, but it suffers from an unreliable voltage build-up at start-up, a slow dynamic response and... Read More about A Consequent-Pole Hybrid Exciter for Synchronous Generators.

Influence of Insulation Thermal Aging on the Temperature Assessment in Electrical Machines (2020)
Journal Article
Madonna, V., Giangrande, P., & Galea, M. (2021). Influence of Insulation Thermal Aging on the Temperature Assessment in Electrical Machines. IEEE Transactions on Energy Conversion, 36(1), 456-467. https://doi.org/10.1109/tec.2020.3001053

Thermal modeling and temperature assessment of electrical machines often rely on the use of lumped-parameter thermal networks. A historic limitation of analytical thermal models is their need for an experimental fine-tuning, necessary for selecting t... Read More about Influence of Insulation Thermal Aging on the Temperature Assessment in Electrical Machines.

Reliability-Oriented Design of Electrical Machines: The Design Process for Machines' Insulation Systems MUST Evolve (2020)
Journal Article
Galea, M., Giangrande, P., Madonna, V., & Buticchi, G. (2020). Reliability-Oriented Design of Electrical Machines: The Design Process for Machines' Insulation Systems MUST Evolve. IEEE Industrial Electronics Magazine, 14(1), 20-28. https://doi.org/10.1109/MIE.2019.2947688

As the world of transportation keeps moving toward greater electrification, the main design objectives in terms of power density and efficiency of system components are becoming increasingly important. Meanwhile, transportation applications are also... Read More about Reliability-Oriented Design of Electrical Machines: The Design Process for Machines' Insulation Systems MUST Evolve.

Thermal Model Approach to Multisector Three-Phase Electrical Machines (2020)
Journal Article
Zhang, H., Giangrande, P., Sala, G., Xu, Z., Hua, W., Madonna, V., …Gerada, C. (2021). Thermal Model Approach to Multisector Three-Phase Electrical Machines. IEEE Transactions on Industrial Electronics, 68(4), 2919-2930. https://doi.org/10.1109/TIE.2020.2977559

© 1982-2012 IEEE. Multisector machines reveal a high fault-tolerant capability, since failure events can be isolated by de-energizing the faulty sector, while the healthy ones contribute in delivering the required power. This article is focused on th... Read More about Thermal Model Approach to Multisector Three-Phase Electrical Machines.

The Role of Neural Networks in Predicting the Thermal Life of Electrical Machines (2020)
Journal Article
Turabee, G., Khowja, M. R., Giangrande, P., Madonna, V., Cosma, G., Vakil, G., …Galea, M. (2020). The Role of Neural Networks in Predicting the Thermal Life of Electrical Machines. IEEE Access, 8, 40283-40297. https://doi.org/10.1109/ACCESS.2020.2975985

© 2013 IEEE. For a continuous mode of operation, insulating material in an electrical machine is subject to constant thermal, electrical, mechanical and environmental stresses where thermal stress is a major cause of gradual insulation deterioration,... Read More about The Role of Neural Networks in Predicting the Thermal Life of Electrical Machines.

Moving Toward a Reliability-Oriented Design Approach of Low-Voltage Electrical Machines by Including Insulation Thermal Aging Considerations (2020)
Journal Article
Giangrande, P., Madonna, V., Nuzzo, S., & Galea, M. (2020). Moving Toward a Reliability-Oriented Design Approach of Low-Voltage Electrical Machines by Including Insulation Thermal Aging Considerations. IEEE Transactions on Transportation Electrification, 6(1), 16-27. https://doi.org/10.1109/TTE.2020.2971191

© 2020 IEEE. Electrical machines (EMs) are required to consistently perform their intended mission over a specified timeframe. The move toward transportation electrification made the EMs' reliability an even stringent and predominant requirement, sin... Read More about Moving Toward a Reliability-Oriented Design Approach of Low-Voltage Electrical Machines by Including Insulation Thermal Aging Considerations.

A Time-Saving Approach for the Thermal Lifetime Evaluation of Low Voltage Electrical Machines (2019)
Journal Article
Madonna, V., Giangrande, P., Migliazza, G., Buticchi, G., & Galea, M. (2020). A Time-Saving Approach for the Thermal Lifetime Evaluation of Low Voltage Electrical Machines. IEEE Transactions on Industrial Electronics, 67(11), 9195 -9205. https://doi.org/10.1109/tie.2019.2956378

Modern electrical machines, such as those employed in transportation applications are required to provide very high performance in terms of power (and torque) density and efficiency. The reality, however, is that the more these machines are “pushed“... Read More about A Time-Saving Approach for the Thermal Lifetime Evaluation of Low Voltage Electrical Machines.

Review, Challenges, and Future Developments of Electric Taxiing Systems (2019)
Journal Article
Lukic, M., Giangrande, P., Hebala, A., Nuzzo, S., & Galea, M. (2019). Review, Challenges, and Future Developments of Electric Taxiing Systems. IEEE Transactions on Transportation Electrification, 5(4), 1441-1457. https://doi.org/10.1109/tte.2019.2956862

The ever-increasing demand for passenger air traffic results in larger airline fleets every year. The aircraft market forecast reveals an unprecedented growth for the coming decades, leading to serious environmental and economic concerns among airlin... Read More about Review, Challenges, and Future Developments of Electric Taxiing Systems.

Considerations on the Development of an Electric Drive for a Secondary Flight Control Electromechanical Actuator (2019)
Journal Article
Giangrande, P., Galassini, A., Papadopoulos, S., Al-Timimy, A., Calzo, G. L., Degano, M., …Galea, M. (2019). Considerations on the Development of an Electric Drive for a Secondary Flight Control Electromechanical Actuator. IEEE Transactions on Industry Applications, 55(4), 3544-3554. https://doi.org/10.1109/tia.2019.2907231

The more electric aircraft concept aims to improve the fuel consumption, the weight, and both the maintenance and operating costs of the aircraft, by promoting the use of electric power in actuation systems. According to this scenario, electromechani... Read More about Considerations on the Development of an Electric Drive for a Secondary Flight Control Electromechanical Actuator.