전기학회논문지 (The Transactions of The Korean Institute of Electrical Engineers)

  • 제61권12호
  • /
  • Pages.1836-1842
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  • 2012
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  • 1975-8359(pISSN)
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  • 2287-4364(eISSN)
대한전기학회 (The Korean Institute of Electrical Engineers)
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Inductance Calculation in a Switched Reluctance Motor using Permeance Method

  • 이치우 (경성대학교 전기공학과)
  • Lee, Cheewoo (Dept. of Electrical Engineering, Kyungsung University)
  • 투고 : 2012.09.29
  • 심사 : 2012.11.15
  • 발행 : 2012.12.01
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초록

Torque is proportional to the rate of change of inductance in a switched reluctance motor (SRM), and hence, phase inductance is an important parameter in determining the behavior of an SRM. Therefore, the accurate prediction of inductance with respect to rotor position makes a significant contribution to designing an SRM and its analytical approach is not straightforward due to nonlinear flux distribution. Although several different approaches using a finite element analysis (FEA) or curve-fitting tool have been employed to compute phase inductance [2-5], they are not suitable for a simple design procedure because the FEA necessitates a large amount of time in both modeling and solving with complexity for every motor design, and the curve-fitting requires the data of flux linkage from either an experimental test or an FEA simulation. In this paper, phase inductance is predicted by means of a permeance method, and the proposed approach is analytically verified in terms of the accuracy of estimated inductance compared to inductance obtained by FEA.

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참고문헌

  1. R. Krishnan, "Switched Reluctance Motor Drives", CRC, 2001.
  2. D. A. Torrey and J. H. Lang, "Modeling a nonlinear variable reluctance motor drive," Proc. Inst. Elect. Eng., pt. B, vol. 137, pp. 314-326, 1990.
  3. T. J. E. Miller and McGilp, "Nonlinear theory of the switched reluctance motor for rapid computer-aided design," Proc. Inst. Elect. Eng., pt. B, vol. 137, pp. 337-347, 1990.
  4. D. A. Torrey, "An experimentally verified variable reluctance machine model implemented in the saber circuit simulator," Electric Machines Power Syst., vol. 24, no. 2, pp. 199-209, Mar. 1996. https://doi.org/10.1080/07313569608955668
  5. M. Stiebler and K. Liu, "An analytical model of switched reluctance machines," IEEE Trans. Energy Conversion, vol. 14, pp. 1100-1105, Dec. 1999. https://doi.org/10.1109/60.815034
  6. James M. Kokernak and David A. Torrey, "Magnetic Circuit Model for the Mutually Coupled Switched-Reluctance Machine", IEEE Trans. on Magnetics, vol.36, no.2, pp. 500-507, Mar. 2000. https://doi.org/10.1109/20.825824
  7. Cheewoo Lee and R. Krishnan, "New Designs of a Two-Phase E-Core Switched Reluctance Machine by Optimizing the Magnetic Structure for a Specific Application: Concept, Design, and Analysis", IEEE Trans. on Industry Applications, Vol. 45, No. 5, pp 1804-1814, Sept./Oct. 2009. https://doi.org/10.1109/TIA.2009.2027570