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Article

Development of Mathematical Models in Explicit Form for Design and Analysis of Axial Flux Permanent Magnet Synchronous Machines

Faculty of Energy Technology, University of Maribor, Hočevarjev trg 1, 8270 Krško, Slovenia
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Appl. Sci. 2020, 10(21), 7695; https://doi.org/10.3390/app10217695
Received: 5 October 2020 / Revised: 19 October 2020 / Accepted: 21 October 2020 / Published: 30 October 2020
This article proposes a methodology for the design of double-sided coreless axial flux permanent magnet synchronous machines, which is based on a developed model for calculating the axial component of the magnetic flux density in the middle of the distance between opposite permanent magnets, which also represents the middle of the stator. Values for different geometric parameters represent the input data for the mathematical model in explicit form. The input data are calculated by using a simplified finite element method (FEM), which means that calculations of simplified 3D models are performed. The simplified model consists of two rotor disks with surface-mounted permanent magnets and air between them, instead of stator windings. Such a simplification is possible due to similar values of permeability of the air and copper. For each simplified model of the machine the axial component of the magnetic flux density is analyzed along a line passing through the center of opposite permanent magnets and both rotor disks. Values at the middle of the distance between the opposite permanent magnets are the lowest and are therefore selected for the input data at different stator, rotor disks and permanent magnets (PM) thicknesses. Such input data enable the model to consider the nonlinearity of materials. View Full-Text
Keywords: axial flux; analysis; coreless; development; design; explicit form; finite element method; mathematical models; permanent magnet; synchronous axial flux; analysis; coreless; development; design; explicit form; finite element method; mathematical models; permanent magnet; synchronous
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MDPI and ACS Style

Pranjić, F.; Virtič, P. Development of Mathematical Models in Explicit Form for Design and Analysis of Axial Flux Permanent Magnet Synchronous Machines. Appl. Sci. 2020, 10, 7695. https://doi.org/10.3390/app10217695

AMA Style

Pranjić F, Virtič P. Development of Mathematical Models in Explicit Form for Design and Analysis of Axial Flux Permanent Magnet Synchronous Machines. Applied Sciences. 2020; 10(21):7695. https://doi.org/10.3390/app10217695

Chicago/Turabian Style

Pranjić, Franjo, and Peter Virtič. 2020. "Development of Mathematical Models in Explicit Form for Design and Analysis of Axial Flux Permanent Magnet Synchronous Machines" Applied Sciences 10, no. 21: 7695. https://doi.org/10.3390/app10217695

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