All Outputs (50)

Fluid flow and heat transfer analysis of TEFC machine end regions using more realistic end-winding geometry (2019)
Journal Article
La Rocca, S., Pickering, S. J., Eastwick, C. N., Gerada, C., & Rönnberg, K. (2019). Fluid flow and heat transfer analysis of TEFC machine end regions using more realistic end-winding geometry. Journal of Engineering, 2019(17), 3831-3835. https://doi.org/10.1049/joe.2018.8026

Here, a typical small low-voltage totally enclosed fan-cooled (TEFC) motor (output power ∼10 kW) has been studied using computational fluid dynamics. The complexity of the end-winding geometries, often consisting of several insulated copper strands b... Read More about Fluid flow and heat transfer analysis of TEFC machine end regions using more realistic end-winding geometry.

The Influence of Winding Location in Flux-Switching Permanent-Magnet Machines (2019)
Journal Article
Zhang, H., Hua, W., Hu, M., Gerada, D., & Gerada, C. (2019). The Influence of Winding Location in Flux-Switching Permanent-Magnet Machines. IEEE Transactions on Magnetics, 55(7), Article 8104205. https://doi.org/10.1109/tmag.2018.2886686

The main purpose of this paper is to investigate the influence of winding location on back electromotive force (EMF) and armature inductance in flux-switching permanent-magnet (FSPM) machines. To obtain an analytical solution, a double-stator-pitch m... Read More about The Influence of Winding Location in Flux-Switching Permanent-Magnet Machines.

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 Loss and Thermal Analysis of a MW High-Speed Permanent Magnet Synchronous Machine (2017)
Journal Article
Zhang, Y., McLoone, S., Cao, W., Qiu, F., & Gerada, C. (2017). Power Loss and Thermal Analysis of a MW High-Speed Permanent Magnet Synchronous Machine. IEEE Transactions on Energy Conversion, 32(4), 1468-1478. https://doi.org/10.1109/TEC.2017.2710159

© 1986-2012 IEEE. High-speed permanent magnet synchronous machines (PMSMs) have attracted much attention due to their high power density, high efficiency, and compact size for direct-drive applications. However, the consequent power loss density is h... Read More about Power Loss and Thermal Analysis of a MW High-Speed Permanent Magnet Synchronous Machine.

Controlling DC permeability in cast steels (2017)
Journal Article
Sumner, A., Gerada, C., Brown, N., & Clare, A. (2017). Controlling DC permeability in cast steels. Journal of Magnetism and Magnetic Materials, 429, 79-85. https://doi.org/10.1016/j.jmmm.2016.12.137

Annealing (at multiple cooling rates) and quenching (with tempering) was performed on specimens of cast steel of varying composition. The aim was to devise a method for selecting the steel with the highest permeability, from any given range of steels... Read More about Controlling DC permeability in cast steels.

Design optimization of Halbach array permanent magnet motor to achieve sensorless performance using genetic algorithm (2016)
Journal Article
Caner, M., Gerada, C., Asher, G., & Özer, T. (2016). Design optimization of Halbach array permanent magnet motor to achieve sensorless performance using genetic algorithm. COMPEL: The International Journal for Computation and Mathematics in Electrical and Electronic Engineering, 35(5), https://doi.org/10.1108/COMPEL-06-2015-0218

Purpose

The purpose of this paper is to investigate Halbach array effects in surface mounted permanent magnet machine (SMPM) in terms of both self-sensing and torque capabilities. A comparison between a conventional SMPM, which has radially magnet... Read More about Design optimization of Halbach array permanent magnet motor to achieve sensorless performance using genetic algorithm.

Magnetically geared induction machines (2015)
Journal Article
Mezani, S., Hamiti, T., Belguerras, L., Lubin, T., Rashed, M., & Gerada, C. (2015). Magnetically geared induction machines. IEEE Transactions on Magnetics, 51(11), https://doi.org/10.1109/TMAG.2015.2443252

A wound-rotor induction machine is artfully coupled to a magnetic gear to achieve a high-torque-density drive system called magnetically geared induction machine (MaGIM). The high-speed rotor of MaGIM is common to both the machine and gear sides. A r... Read More about Magnetically geared induction machines.

Permanent magnet machine design trade-offs to achieve sensorless control at high load (2015)
Journal Article
Caner, M., Gerada, C., & Asher, G. (2015). Permanent magnet machine design trade-offs to achieve sensorless control at high load. COMPEL: The International Journal for Computation and Mathematics in Electrical and Electronic Engineering, 34(1), 324-343. https://doi.org/10.1108/compel-02-2014-0039

Purpose

The purpose of this paper is to introduce a new design optimization technique for a surface mounted permanent magnet (SMPM) machine to increase sensorless performance at high loadings by compromising with torque capability.

Design/meth... Read More about Permanent magnet machine design trade-offs to achieve sensorless control at high load.

Analysis of Vertical Strip Wound Fault-Tolerant Permanent Magnet Synchronous Machines (2013)
Journal Article
Arumugam, P., Hamiti, T., Brunson, C., & Gerada, C. (2014). Analysis of Vertical Strip Wound Fault-Tolerant Permanent Magnet Synchronous Machines. IEEE Transactions on Industrial Electronics, 61(3), 1158-1168. https://doi.org/10.1109/TIE.2013.2259777

This paper investigates the behavior of a vector-controlled fault-tolerant permanent magnet motor drive system adopting a vertically placed strip winding (VSW) which can limit interturn short-circuit (SC) fault current to its rated value regardless o... Read More about Analysis of Vertical Strip Wound Fault-Tolerant Permanent Magnet Synchronous Machines.

Computational fluid dynamics modelling of an entire synchronous generator for improved thermal management (2013)
Journal Article
Connor, P. H., Pickering, S., Gerada, C., Eastwick, C., Micallef, C., & Tighe, C. (2013). Computational fluid dynamics modelling of an entire synchronous generator for improved thermal management. IET Electric Power Applications, 7(3), https://doi.org/10.1049/iet-epa.2012.0278

This study is the first in a series dedicated to investigating the airflow and thermal management of electrical machines. Owing to the temperature dependent resistive losses in the machine's windings, any improvement in cooling provides a direct redu... Read More about Computational fluid dynamics modelling of an entire synchronous generator for improved thermal management.