Dr Christopher Donaghy Spargo's Outputs (8)

Synchronous reluctance motors with toroidal windings (2014)
Presentation / Conference Contribution
Spargo, C., Mecrow, B., & Widmer, J. (2014). Synchronous reluctance motors with toroidal windings. In 2014 IEEE Energy Conversion Congress and Exposition (ECCE) : 14-18 September 2014, Pittsburgh, PA, USA (1374-1378). https://doi.org/10.1109/ecce.2014.6953578

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). Design of a synchronous reluctance motor with non-overlapping fractional-slot concentrated windings. In 2014 IEEE Energy Conversion Congress and Exposition (ECCE) : 14-18 September 2014, Pittsburgh, PA, USA (1393-1399). https://doi.org/10.1109/ecce.2014.6953581

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). Computationally efficient skew effect calculation in electric machines utilising harmonic Maxwellian stress decomposition. In Proceedings, 2014 International Conference on Electrical Machines (ICEM) : Andel's Hotel Berlin, Berlin, Germany, 02 - 05 September, 2014 (1044-1049). https://doi.org/10.1109/icelmach.2014.6960310

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.

Application of Fractional-Slot Concentrated Windings to Synchronous Reluctance Motors (2014)
Journal Article
Spargo, C. M., Mecrow, B. C., Widmer, J. D., & Morton, C. (2015). Application of Fractional-Slot Concentrated Windings to Synchronous Reluctance Motors. IEEE Transactions on Industry Applications, 51(2), 1446-1455. https://doi.org/10.1109/tia.2014.2341733

This paper presents an investigation into the application of fractional-slot concentrated windings to synchronous reluctance motors. The advantages and disadvantages of the synthesis of such a machine are explored with thermal aspects included, and a... Read More about Application of Fractional-Slot Concentrated Windings to Synchronous Reluctance Motors.

Solar Plane Propulsion Motors With Precompressed Aluminum Stator Windings (2014)
Journal Article
Widmer, J. D., Spargo, C. M., Atkinson, G. J., & Mecrow, B. C. (2014). Solar Plane Propulsion Motors With Precompressed Aluminum Stator Windings. IEEE Transactions on Energy Conversion, 29(3), 681-688. https://doi.org/10.1109/tec.2014.2313642

This paper reports a propulsion motor for a solar-powered aircraft. The motor uses precompressed aluminum stator windings, with a fill factor of greater than 75%, in a permanent magnet synchronous machine. The motor performance is compared empiricall... Read More about Solar Plane Propulsion Motors With Precompressed Aluminum Stator Windings.

Electrified hydraulic power steering system in hybrid electric heavy trucks (2014)
Journal Article
Morton, C., Spargo, C. M., & Pickert, V. (2014). Electrified hydraulic power steering system in hybrid electric heavy trucks. IET Electrical Systems in Transportation, 4(3), 70-77. https://doi.org/10.1049/iet-est.2013.0050

Over the last 20 years, conventional automotive engine ancillaries have migrated from being mechanically powered to electrically powered in order to meet market demand. To adopt this trend in heavy trucks requires a higher power electrical system in... Read More about Electrified hydraulic power steering system in hybrid electric heavy trucks.

Higher pole number synchronous reluctance machines with fractional slot concentrated windings (2014)
Presentation / Conference Contribution
Spargo, C., Mecrow, B., & Widmer, J. (2014). Higher pole number synchronous reluctance machines with fractional slot concentrated windings. In 7th IET International Conference on Power Electronics, Machines and Drives (PEMD 2014) : Manchester, United Kingdom, 8 - 10 April 2014 (1-6). https://doi.org/10.1049/cp.2014.0279

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.

Synchronous Reluctance Technology: Part II (2014)
Other
Spargo, C. (2014). Synchronous Reluctance Technology: Part II

This is the follow-up article to Synchronous Reluctance Technology Part I. The first part introduced and compared synchronous reluctance technology with induction and permanent magnet motor technologies; this article aims to inform the reader of rece... Read More about Synchronous Reluctance Technology: Part II.