Journal of Electrical Engineering and Technology

The Korean Institute of Electrical Engineers (대한전기학회)
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Thermal Analysis of High Density Permanent Magnet Synchronous Motor Based on Multi Physical Domain Coupling Simulation

  • Chen, ShiJun (School of Mechatronic Engineering and Automation, Shanghai University) ;
  • Zhang, Qi (School of Mechatronic Engineering and Automation, Shanghai University) ;
  • He, Biao (School of Mechatronic Engineering and Automation, Shanghai University) ;
  • Huang, SuRong (School of Mechatronic Engineering and Automation, Shanghai University) ;
  • Hui, Dou-Dou (School of Mechatronic Engineering and Automation, Shanghai University)
  • Received : 2016.01.28
  • Accepted : 2016.05.25
  • Published : 2017.01.02
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Abstract

In order to meet the thermal performance analysis accuracy requirements of high density permanent magnet synchronous motor (PMSM), a method of multi physical domain coupling thermal analysis based on control circuit, electromagnetic and thermal is presented. The circuit, electromagnetic, fluid, temperature and other physical domain are integrated and the temperature rise calculation method that considers the harmonic loss on the frequency conversion control as well as the loss non-uniformly distributed and directly mapped to the temperature field is closer to the actual situation. The key is to obtain the motor parameters, the realization of the vector control circuit and the accurate calculation and mapping of the loss. Taking a 48 slots 8 poles high density PMSM as an example, the temperature rise distribution of the key components is simulated, and the experimental platform is built. The temperature of the key components of the prototype machine is tested, which is in agreement with the simulation results. The validity and accuracy of the multi physical domain coupling thermal analysis method are verified.

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References

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