### A multilayer 2-D–2-D coupled model for eddy current calculation in the rotor of an axial-flux pm machine

(2012) IEEE TRANSACTIONS ON ENERGY CONVERSION. 27(3). p.784-791- abstract
- On the rotors of an axial-flux PM machine, NdFeB permanent magnets (PM) are very often placed because of their high energy density. As the NdFeB-magnets are good electric conductive, electric currents are induced in the magnets when they are exposed to a varying magnetic field. This varying magnetic field has two causes: variation of the airgap reluctance due to the effect of stator slots and armature reaction due to the stator currents. As axial-flux PM machines have an inherent 3-D-geometry, full 3-D-finite-element modeling seems necessary to calculate the eddy currents in the PM and to evaluate their corresponding losses. In this paper, however, the 1-D airgap magnetic fields of multiple multilayer 2-D finite-element simulations are combined to a 2-D airgap magnetic field using static simulations. In a subsequent step, this 2-D airgap magnetic field is imposed to a 2-D finite-element model of the PM to calculate the eddy currents and eddy current losses. The main benefit of this multilayer 2-D–2-D coupled model compared to 3-D finite-element modeling is the reduction in calculation time. Accuracy of the suggested multilayer 2-D–2-D coupled model is verified by simulations using a 3-D finite-element model.

Please use this url to cite or link to this publication:
http://hdl.handle.net/1854/LU-2966180

- author
- Hendrik Vansompel UGent, Peter Sergeant UGent and Luc Dupré UGent
- organization
- year
- 2012
- type
- journalArticle (original)
- publication status
- published
- subject
- keyword
- SEGMENTATION, BRUSHLESS MACHINES, WINDINGS, DESIGN, POLE, Armature reaction, FINITE-ELEMENT-ANALYSIS, MAGNET SYNCHRONOUS GENERATOR, eddy currents, permanent magnets (PM), permanent magnet (PM) generators, finite-element methods, axial-flux machine
- journal title
- IEEE TRANSACTIONS ON ENERGY CONVERSION
- IEEE Trans. Energy Convers.
- volume
- 27
- issue
- 3
- pages
- 784 - 791
- Web of Science type
- Article
- Web of Science id
- 000307121800025
- JCR category
- ENGINEERING, ELECTRICAL & ELECTRONIC
- JCR impact factor
- 2.427 (2012)
- JCR rank
- 33/242 (2012)
- JCR quartile
- 1 (2012)
- ISSN
- 0885-8969
- DOI
- 10.1109/TEC.2012.2192737
- language
- English
- UGent publication?
- yes
- classification
- A1
- copyright statement
*I have transferred the copyright for this publication to the publisher*- id
- 2966180
- handle
- http://hdl.handle.net/1854/LU-2966180
- date created
- 2012-08-01 09:03:39
- date last changed
- 2012-09-11 16:06:27

@article{2966180, abstract = {On the rotors of an axial-flux PM machine, NdFeB permanent magnets (PM) are very often placed because of their high energy density. As the NdFeB-magnets are good electric conductive, electric currents are induced in the magnets when they are exposed to a varying magnetic field. This varying magnetic field has two causes: variation of the airgap reluctance due to the effect of stator slots and armature reaction due to the stator currents. As axial-flux PM machines have an inherent 3-D-geometry, full 3-D-finite-element modeling seems necessary to calculate the eddy currents in the PM and to evaluate their corresponding losses. In this paper, however, the 1-D airgap magnetic fields of multiple multilayer 2-D finite-element simulations are combined to a 2-D airgap magnetic field using static simulations. In a subsequent step, this 2-D airgap magnetic field is imposed to a 2-D finite-element model of the PM to calculate the eddy currents and eddy current losses. The main benefit of this multilayer 2-D--2-D coupled model compared to 3-D finite-element modeling is the reduction in calculation time. Accuracy of the suggested multilayer 2-D--2-D coupled model is verified by simulations using a 3-D finite-element model.}, author = {Vansompel, Hendrik and Sergeant, Peter and Dupr{\'e}, Luc}, issn = {0885-8969}, journal = {IEEE TRANSACTIONS ON ENERGY CONVERSION}, keyword = {SEGMENTATION,BRUSHLESS MACHINES,WINDINGS,DESIGN,POLE,Armature reaction,FINITE-ELEMENT-ANALYSIS,MAGNET SYNCHRONOUS GENERATOR,eddy currents,permanent magnets (PM),permanent magnet (PM) generators,finite-element methods,axial-flux machine}, language = {eng}, number = {3}, pages = {784--791}, title = {A multilayer 2-D--2-D coupled model for eddy current calculation in the rotor of an axial-flux pm machine}, url = {http://dx.doi.org/10.1109/TEC.2012.2192737}, volume = {27}, year = {2012}, }

- Chicago
- Vansompel, Hendrik, Peter Sergeant, and Luc Dupré. 2012. “A Multilayer 2-D–2-D Coupled Model for Eddy Current Calculation in the Rotor of an Axial-flux Pm Machine.”
*Ieee Transactions on Energy Conversion*27 (3): 784–791. - APA
- Vansompel, H., Sergeant, P., & Dupré, L. (2012). A multilayer 2-D–2-D coupled model for eddy current calculation in the rotor of an axial-flux pm machine.
*IEEE TRANSACTIONS ON ENERGY CONVERSION*,*27*(3), 784–791. - Vancouver
- 1.Vansompel H, Sergeant P, Dupré L. A multilayer 2-D–2-D coupled model for eddy current calculation in the rotor of an axial-flux pm machine. IEEE TRANSACTIONS ON ENERGY CONVERSION. 2012;27(3):784–91.
- MLA
- Vansompel, Hendrik, Peter Sergeant, and Luc Dupré. “A Multilayer 2-D–2-D Coupled Model for Eddy Current Calculation in the Rotor of an Axial-flux Pm Machine.”
*IEEE TRANSACTIONS ON ENERGY CONVERSION*27.3 (2012): 784–791. Print.