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Calculation and Analysis of Permanent Magnet Eddy Current Loss Fault with Magnet Segmentation

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  • Bing Li
  • Ming Li

Abstract

This paper investigates the problem of calculating and analyzing the effect of the permanent magnet eddy current loss fault due to magnet segmentation. Taking an interior permanent magnet synchronous motor with inverter supplied as an example, the rated power of motor was 2.2 kW. Three-dimensional finite-element model was firstly established based on finite-element software. Then, the model mesh and boundary conditions were handled specially; permanent magnet eddy current loss fault was calculated and analyzed theoretically with magnet segmentation from space harmonic and time harmonic, respectively. Finally, calculation results were compared and explained. A useful conclusion for permanent magnet synchronous motor design has been obtained.

Suggested Citation

  • Bing Li & Ming Li, 2016. "Calculation and Analysis of Permanent Magnet Eddy Current Loss Fault with Magnet Segmentation," Mathematical Problems in Engineering, Hindawi, vol. 2016, pages 1-6, May.
    • Handle: RePEc:hin:jnlmpe:7308631
    DOI: 10.1155/2016/7308631
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