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

  • 제61권1호
  • /
  • Pages.34-40
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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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스위치드 릴럭턴스 전동기의 회전자 정렬과 비정렬 위치에서의 인덕턴스 예측

Analytical Estimation of Inductance at Aligned and Unaligned Rotor Positions in a Switched Reluctance Motor

  • 이치우 (경성대학교 전기공학과)
  • 투고 : 2011.10.31
  • 심사 : 2011.11.23
  • 발행 : 2012.01.01
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초록

Flux linkage of phase windings or phase inductance is an important parameter in determining the behavior of a switched reluctance motor (SRM) [1-8]. Therefore, the accurate prediction of inductance at aligned and unaligned rotor positions makes a significant contribution to the design of 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 at aligned and unaligned rotor positions is estimated by means of numerical method and magnetic equivalent circuit as well, and the proposed approach is analytically verified in terms of the accuracy of estimated inductance compared to inductance computed by an FEA simulation.

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참고문헌

  1. R. Krishnan, R. Arumugam, and James F. Lindsay, "Design Procedure for Switched-Reluctance Motors", IEEE Trans. on Industry Applications, vol. 24, no. 3, pp. 456-461, May-Jun. 1988. https://doi.org/10.1109/28.2896
  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. Arthur V. Radun, "Design Considerations for the Switched Reluctance Motor", IEEE Trans. on Industry Applications, vol. 31, no. 5, pp. 1079-1087, Sep-Oct. 1995. https://doi.org/10.1109/28.464522
  7. Arthur V. Radun, "Analytical Calculation of the Switched Reluctance Motor's Unaligned Inductance", IEEE Trans. on Magnetics, vol. 35, no. 6, pp. 4473-4481, Nov. 1999. https://doi.org/10.1109/20.809140
  8. Arthur V. Radun, "Analytically Computing the Flux Linked by a Switched Reluctance Motor Phase When the Stator and Rotor Poles Overlap", IEEE Trans. on Magnetics, vol. 36, no.45, pp. 1996-2003, Jul. 2000. https://doi.org/10.1109/20.875277
  9. 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