Dr Christopher Donaghy Spargo christopher.spargo@durham.ac.uk
Academic Visitor
Computationally efficient skew effect calculation in electric machines utilising harmonic Maxwellian stress decomposition
Spargo, C.M.; Mecrow, B.C.; Widmer, J.D.
Authors
B.C. Mecrow
J.D. Widmer
Abstract
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 synchronous machines is useful to machine designers. Harmonic Maxwellian stress components create parasitic effects during machine operation such as torque ripple, which is extremely undesirable in many applications and is a major cause of acoustic noise and vibration which can limit the machine's application. Rotor skewing usually allows reduction of this torque ripple and this paper expands previous work to include a good approximation of skewing effects using a single 2D time stepping Finite Element (FE) study with the developed post-processing method. The method reduces computation time for skew effect calculation where a large 3D FE simulation would usually be required.
Citation
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
Presentation Conference Type | Conference Paper (published) |
---|---|
Conference Name | 2014 International Conference on Electrical Machines (ICEM) |
Start Date | Sep 2, 2014 |
End Date | Sep 5, 2014 |
Publication Date | Sep 5, 2014 |
Deposit Date | Jan 21, 2016 |
Publicly Available Date | Apr 26, 2016 |
Publisher | Institute of Electrical and Electronics Engineers |
Pages | 1044-1049 |
Book Title | Proceedings, 2014 International Conference on Electrical Machines (ICEM) : Andel's Hotel Berlin, Berlin, Germany, 02 - 05 September, 2014. |
DOI | https://doi.org/10.1109/icelmach.2014.6960310 |
Public URL | https://durham-repository.worktribe.com/output/1152605 |
Additional Information | Conference date: 2-5 September 2014 |
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