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Modelling of a 6 Slot 4 Pole Single Tooth Wound Synchronous Reluctance Motor (2017)
Presentation / Conference Contribution
Donaghy-Spargo, C., Mecrow, B., & Widmer, J. (2017, December). Modelling of a 6 Slot 4 Pole Single Tooth Wound Synchronous Reluctance Motor. Presented at International Electrical Machines and Drives (IEMDC) Conference, Miami, Florida, USA

This paper presents a modified d-q model that includes the complex inductance characteristics present in single tooth wound synchronous reluctance motors. Utilization of the single tooth coils results in high air gap harmonic content and has conseque... Read More about Modelling of a 6 Slot 4 Pole Single Tooth Wound Synchronous Reluctance Motor.

Leakage Inductance of a Prototyped Single Tooth Wound Synchronous Reluctance Motor (2017)
Presentation / Conference Contribution
Donaghy-Spargo, C., Mecrow, B., & Widmer, J. (2017, December). Leakage Inductance of a Prototyped Single Tooth Wound Synchronous Reluctance Motor. Presented at International Electrical Machines and Drives (IEMDC) Conference, Miami, Florida

This paper explores the inductance characteristics present in single tooth wound synchronous reluctance motors, specifically the stator leakage inductance. Despite the nature of the single tooth design resulting in increased air gap harmonic content,... Read More about Leakage Inductance of a Prototyped Single Tooth Wound Synchronous Reluctance Motor.

Oliver Heaviside FRS: Newcastle upon Tyne 1868-1874 (2015)
Presentation / Conference Contribution
Spargo, C., & Yakovlev, A. (2015, June). Oliver Heaviside FRS: Newcastle upon Tyne 1868-1874. Presented at IET History of Technology Network: Conference on the history of power and engineering., Newcastle upon Tyne, UK

Synchronous reluctance motors with toroidal windings (2014)
Presentation / Conference Contribution
Spargo, C., Mecrow, B., & Widmer, J. (2014, September). Synchronous reluctance motors with toroidal windings. Presented at 2014 IEEE Energy Conversion Congress and Exposition (ECCE), Pittsburgh, USA

This paper introduces the concept of a four-pole toroidally wound synchronous reluctance machine as an alternative to conventional and fractional slot concentrated winding designs. The toroidal windings, which are wound around the stator coreback hav... Read More about Synchronous reluctance motors with toroidal windings.

Design of a synchronous reluctance motor with non-overlapping fractional-slot concentrated windings (2014)
Presentation / Conference Contribution
Spargo, C., Mecrow, B., & Widmer, J. (2014, September). Design of a synchronous reluctance motor with non-overlapping fractional-slot concentrated windings. Presented at 2014 IEEE Energy Conversion Congress and Exposition (ECCE), Pittsburgh, USA

This paper presents the detailed design and finite element study of a synchronous reluctance machine with a non-overlapping fractional slot concentrated windings. The machine design employs single tooth wound coils with short end windings and high fi... Read More about Design of a synchronous reluctance motor with non-overlapping fractional-slot concentrated windings.

Computationally efficient skew effect calculation in electric machines utilising harmonic Maxwellian stress decomposition (2014)
Presentation / Conference Contribution
Spargo, C., Mecrow, B., & Widmer, J. (2014, September). Computationally efficient skew effect calculation in electric machines utilising harmonic Maxwellian stress decomposition. Presented at 2014 International Conference on Electrical Machines (ICEM), Berlin, Germany

A novel finite element solution post-processing technique to determine the effects of rotor skewing is presented in this paper. It was previously proposed that a post-processing semi-numerical method to calculate the harmonic torque components in syn... Read More about Computationally efficient skew effect calculation in electric machines utilising harmonic Maxwellian stress decomposition.

Higher pole number synchronous reluctance machines with fractional slot concentrated windings (2014)
Presentation / Conference Contribution
Spargo, C., Mecrow, B., & Widmer, J. (2014, April). Higher pole number synchronous reluctance machines with fractional slot concentrated windings. Presented at 7th IET International Conference on Power Electronics, Machines and Drives (PEMD 2014), Manchester, England

This paper presents an examination of the advantages, disadvantages and remaining challenges of the application of fractional slot concentrated windings to higher pole number (pole-pairs > 2) synchronous reluctance machines. It extends previous work... Read More about Higher pole number synchronous reluctance machines with fractional slot concentrated windings.

Application of fractional slot concentrated windings to synchronous reluctance machines (2013)
Presentation / Conference Contribution
Spargo, C., Mecrow, B., & Widmer, J. (2013, May). Application of fractional slot concentrated windings to synchronous reluctance machines. Presented at 2013 International Electric Machines & Drives Conference, Chicago, Illinois, USA

Due to the advancement of electric vehicles, the desire for high torque density electric motors for traction applications is steadily increasing. It is advantageous to design such a motor with little or no rare earth permanent magnet (PM) material du... Read More about Application of fractional slot concentrated windings to synchronous reluctance machines.

Winding configurations for a six phase switched reluctance machine (2012)
Presentation / Conference Contribution
Widmer, J., Martin, R., Spargo, C., Mecrow, B., & Celik, T. (2012, December). Winding configurations for a six phase switched reluctance machine. Presented at 2012 XXth International Conference on Electrical Machines, Marseille

Winding configurations are investigated for a six phase, 12-10 switched reluctance machine having single tooth wound coils and being driven from a conventional three phase full bridge converter with the addition of six diodes. A new winding configura... Read More about Winding configurations for a six phase switched reluctance machine.