Journal of Electrical Engineering and Technology

The Korean Institute of Electrical Engineers (대한전기학회)
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Characteristic Analysis for IPMSM Considering Flux-Linkage Ripple

  • Woo, Dong-Kyun (Dept. of Electrical Engineering, Seoul National University) ;
  • Kwak, Sang-Yeop (Dept. of Electrical Engineering, Seoul National University) ;
  • Seo, Jang-Ho (Dept. of Electrical Engineering, Seoul National University) ;
  • Jung, Hyun-Kyo (Dept. of Electrical Engineering, Seoul National University)
  • Received : 2010.02.27
  • Accepted : 2010.04.05
  • Published : 2010.11.01
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Abstract

In a multi-layer interior permanent magnet synchronous motor, the d- and q-axis parameters vary nonlinearly according to different load conditions, consequently changing the level of saturation. The flux-linkage of d- and q-axis conveys ripple characteristics resulting from mechanical structure and degree of magnetic saturation. If the calculated flux-linkage is correct, the torque using the Maxwell stress tensor method is the same torque calculated by the flux-linkage. However, discrepancy between results exists. In this paper, the d- and q-axis flux-linkage, in consideration of the ripple characteristic, is calculated. Simulation results are then compared with experimental results.

Keywords

References

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