Journal of Electrical Engineering and Technology

The Korean Institute of Electrical Engineers (대한전기학회)
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Characteristics Analysis of Suspending Force for Hybrid Stator Bearingless SRM

  • Ahn, Jin-Woo (Department of Mechatronics Engineering, Kyungsung University) ;
  • Lee, Dong-Hee (Department of Mechatronics Engineering, Kyungsung University)
  • Received : 2010.06.03
  • Accepted : 2010.11.02
  • Published : 2011.03.01
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Abstract

In this paper, a characteristics analysis and calculation of the suspending force of a novel bearingless switched reluctance motor (BLSRM) with hybrid stator poles is proposed. The operating principle and permeance are calculated to find an appropriate control scheme for a proposed motor. Furthermore, a mathematical model for suspending force is derived. Finite element analysis is also employed to compare with the expressions for suspending force. Finally, the validity of the structure and the mathematical model is verified by simulation results.

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References

  1. M. Takemoto, A. Chiba, H. Akagi and T. Fukao, “ Suspending Force and Torque of a Bearingless Switched Reluctance Motor Operating in a Region of Magnetic Saturation” in Conf. Record IEEE-IAS Annual Meeting, 2002, pp. 35-42.
  2. L. Chen, W. Hofmann, “Analytically Computing Winding Currents to Generate Torque and Levitation Force of a New Bearingless Switched Reluctance Motor”, in Proc.12th EPE-PEMC, Aug, 2006, pp.1058-1063.
  3. C. R. Morrison. Bearingless Switched Reluctance Motor. U.S. Patent 6,727,618, 2004.
  4. S. Ye. Research on Bearingless Switched Reluctance Motors, Master’s thesis, 2003.
  5. Q. Wang, Analysis and Design of Bearingless Switched Reluctance Motor. Master’s thesis, 2007.

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  2. Design of Fuzzy PI Controller for Variable Speed Drive of Switched Reluctance Motor vol.61, pp.10, 2012, https://doi.org/10.5370/KIEE.2012.61.10.1529