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Technical gazette, Vol. 25 No. 6, 2018

Original scientific paper
https://doi.org/10.17559/TV-20171109105213

Determination of an Optimum Fictitious Air Gap and Rotor Disk Thickness for a Coreless AFPMM

Franjo Pranjić   ORCID icon orcid.org/0000-0002-7320-7358 ; University of Maribor, Faculty of Energy Technology, Hočevarjev trg 1, 8270 Krško, Slovenia
Peter Virtič ; University of Maribor, Faculty of Energy Technology, Hočevarjev trg 1, 8270 Krško, Slovenia

Fulltext: english, pdf (3 MB) pages 1731-1738 downloads: 29* cite
APA 6th Edition
Pranjić, F. & Virtič, P. (2018). Determination of an Optimum Fictitious Air Gap and Rotor Disk Thickness for a Coreless AFPMM. Tehnički vjesnik, 25 (6), 1731-1738. https://doi.org/10.17559/TV-20171109105213
MLA 8th Edition
Pranjić, Franjo and Peter Virtič. "Determination of an Optimum Fictitious Air Gap and Rotor Disk Thickness for a Coreless AFPMM." Tehnički vjesnik, vol. 25, no. 6, 2018, pp. 1731-1738. https://doi.org/10.17559/TV-20171109105213. Accessed 17 Feb. 2019.
Chicago 17th Edition
Pranjić, Franjo and Peter Virtič. "Determination of an Optimum Fictitious Air Gap and Rotor Disk Thickness for a Coreless AFPMM." Tehnički vjesnik 25, no. 6 (2018): 1731-1738. https://doi.org/10.17559/TV-20171109105213
Harvard
Pranjić, F., and Virtič, P. (2018). 'Determination of an Optimum Fictitious Air Gap and Rotor Disk Thickness for a Coreless AFPMM', Tehnički vjesnik, 25(6), pp. 1731-1738. doi: https://doi.org/10.17559/TV-20171109105213
Vancouver
Pranjić F, Virtič P. Determination of an Optimum Fictitious Air Gap and Rotor Disk Thickness for a Coreless AFPMM. Tehnički vjesnik [Internet]. 2018 [cited 2019 February 17];25(6):1731-1738. doi: https://doi.org/10.17559/TV-20171109105213
IEEE
F. Pranjić and P. Virtič, "Determination of an Optimum Fictitious Air Gap and Rotor Disk Thickness for a Coreless AFPMM", Tehnički vjesnik, vol.25, no. 6, pp. 1731-1738, 2018. [Online]. doi: https://doi.org/10.17559/TV-20171109105213

Abstracts
This article presents the research on the optimum distance (fictitious air gap) between permanent magnets of the coreless axial flux permanent magnet machine with a double rotor and single stator. Magnetic flux density of the permanent magnets follows the mean flux path between the opposite magnets. The size of the leakage flux depends on the axial distance between the magnets, the distance between adjacent magnets and the back iron of the rotor disks. If the fictitious air gap (clearance between opposite permanent magnets) is too large, the flux path will close through the adjacent magnet and not the opposite one. The article presents the finite element analysis of the magnetic flux density between the permanent magnets mounted on the rotor disks where the fictitious air gap thickness was set as a variable to determine the maximum clearance. Connection between bending (pull) forces of rotor disks and fictitious air gap thickness is also presented with the mechanical stress analysis of rotor disks.

Keywords
Axial Flux Permanent Magnet Machine (AFPMM); Mechanical Stress Analysis (MSA); optimum fictitious air gap thickness; rotor disk thickness

Hrčak ID: 212828

URI
https://hrcak.srce.hr/212828

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