Modeling magnet length in 2-D finite-element analysis of electric machines

IEEE Transactions on Magnetics

Volumn 45, Issue 8, 2009, Pages 3114-3120

  Ruoho, Sami ^a,b   Santa Nokki, Timo ^c   Kolehmainen, Jere ^d   Arkkio, Antero ^a  

^a AALTO UNIVERSITY   (Finland)

^b Neorem Magnets Oy ^*  (Finland)

^c Magnet Technology Centre   (Finland)

^d ABB OY   (Finland)

Author keywords

Eddy current; Finite element analysis; Magnetic field modeling; Permanent magnets

Indexed keywords

2D FINITE ELEMENT ANALYSIS; ANALYTICAL MODEL; CALCULATION TIME; EDDY CURRENT-LOSS; ELECTRIC MACHINES; END EFFECTS; FEM CALCULATION; FINITE-ELEMENT; FINITE-ELEMENT ANALYSIS; MAGNET LENGTH; MAGNETIC FIELD MODELING; NUMERICAL CALCULATION; RARE-EARTH MAGNET MATERIALS; SYNCHRONOUS MACHINE; TEMPERATURE DEPENDENCE; THREE DIMENSIONS; THREE-DIMENSIONAL CALCULATIONS; TIME-HARMONIC; TWO-DIMENSIONAL;

CURVE FITTING; EDDY CURRENTS; ELECTRIC MACHINERY; ELECTRIC NETWORK ANALYSIS; MAGNETIC DEVICES; MAGNETIC FIELDS; PERMANENT MAGNETS; RARE EARTH ELEMENTS; SAFETY FACTOR;

FINITE ELEMENT METHOD;

EID: 68549111104     PISSN: 00189464     EISSN: None     Source Type: Journal    
DOI: 10.1109/TMAG.2009.2018621     Document Type: Article

References (11)

1. M. Rosu, J. Saitz, and A. Arkkio, "Hysteresis model for finite-element analysis of permanent-magnet demagnetization in a large synchronous motor under a fault condition," IEEE Trans. Magn., vol. 41, no. 6, pp. 2118-2123, Jun. 2005.
2. J. D. Ede, K. Atallah, G. W. Jewell, J. B. Wang, and D. Howe, "Effect of axial segmentation of permanent magnets on rotor loss in modular permanent-magnet brushless machines," IEEE Trans. Ind. Appl., vol. 43, no. 5, pp. 1207-1213, Sep./Oct. 2007.
3. J. L. Kirtley, M. Tolikas, J. H. Long, C. W. Ng, and R. Roche, "Rotor loss models for high speed PM motor-generators," in Proc. ICEM, 1998, pp. 1832-1837.
4. M. Markovic and Y. Perriard, "Analytical solution for rotor eddy-current losses in a slotless permanent-magnet motor: The case of current sheet excitation," IEEE Trans. Magn., vol. 44, no. 3, pp. 386-393, Mar. 2008.
5. M. Markovic and Y. Perriard, "An analytical determination of eddy-current losses in a configuration with a rotating permanent magnet," IEEE Trans. Magn., vol. 43, no. 8, pp. 3380-3386, Aug. 2007.
6. N. Kesavamutrhy and P. K. Rajagopalan, "The polyphase induction machine with solid iron rotor," Trans. AIEE, vol. 78, pp. 1092-1098, 1959.
7. C. Deak, L. Petrovic, A. Binder, M. Mirzaei, D. Irimie, and B. Fu-nieru, "Calculation of eddy current losses in permanent magnets of synchronous machines," in Int. Symp. Power Electronics, Electrical Drives, Automation and Motion, Jun. 11-13, 2008, pp. 26-31.
8. C. Deak, A. Binder, and K. Magyari, "Magnet loss analysis of permanent-magnet synchronous motors with concentrated windings," in Proc. ICEM, 2006, p. 6, CD-ROM.
9. S. Ruoho, M. Haavisto, E. Takala, T. Santa-Nokki, and M. Paju, "Temperature dependence of resistivity of sintered rare-earth permanent magnet materials," IEEE Trans. Magn., submitted for publication.
10. R. Liu, C. C. Mi, and D. W. Gao, "Modeling of eddy-current loss of electrical machines and transformers operated by pulsewidth-modu-lated inverters," IEEE Trans. Magn., vol. 44, no. 8, pp. 2021-2028, Aug. 2008.
11. H. Polinder and M. J. Hoeijmakers, "Eddy-current losses in the segmented surface-mounted magnets of a PM machine," in IEE Proc.-Electr. Power Appl., May 1999, vol. 146, no. 3, pp. 261-266.