LAPSE

LAPSE:2019.0203
Published Article
LAPSE:2019.0203
Analytical Modeling of Static Eccentricities in Axial Flux Permanent-Magnet Machines with Concentrated Windings
January 31, 2019
The aim of this paper is to calculate the static eccentricity (SE) of a double rotor axial flux permanent magnet (AFPM) machine by using a general analytical model. The flux density in the air gap under healthy conditions is calculated firstly, where the axial and circumferential magnetic flux densities are obtained using a coupled solution of Maxwell’s equations and Schwarz-Christoffel (SC) mapping. The magnetic flux densities under SE conditions are calculated afterwards using a novel bilinear mapping. Some important electromagnetic parameters, e.g., back electromotive force (EMF), cogging torque and electromagnetic (EM) torque, are calculated for both SE and healthy conditions, and compared with the finite element (FE) model. As for the double rotor AFPM, SE does not contribute much effect on the back EMF and EM torque, while the cogging torque is increased. At each calculated section, FE models were built to validate the analytical model. The results show that the analytical predictions agree well with the FE results. Finally, the results of analytical model are verified via experimental results.
Keywords
analytical model, axial flux permanent magnet (AFPM) machines, back electromotive force (EMF), conformal mapping (CM), double rotor, Finite element (FE) model, static eccentricity (SE), torque
Subject
Suggested Citation
Huang Y, Guo B, Hemeida A, Sergeant P. Analytical Modeling of Static Eccentricities in Axial Flux Permanent-Magnet Machines with Concentrated Windings. (2019). LAPSE:2019.0203
Author Affiliations
Huang Y: Engineering Research Center for Motion Control of Ministry of Education, Southeast University, Nanjing 210096, China [ORCID]
Guo B: Engineering Research Center for Motion Control of Ministry of Education, Southeast University, Nanjing 210096, China [ORCID]
Hemeida A: Department of Electrical Energy, Systems and Automation, Ghent University, Ghent B-9000, Belgium
Sergeant P: Department of Electrical Energy, Systems and Automation, Ghent University, Ghent B-9000, Belgium [ORCID]
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Journal Name
Energies
Volume
9
Issue
11
Article Number
E892
Year
2016
Publication Date
2016-10-29
Published Version
ISSN
1996-1073
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Original Submission
Other Meta
PII: en9110892, Publication Type: Journal Article
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LAPSE:2019.0203
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doi:10.3390/en9110892
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Jan 31, 2019
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CC BY 4.0
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Jan 31, 2019
 
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Original Submitter
Calvin Tsay
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