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Design of Interior Permanent Magnet Synchronous Motor to Satisfy Given Output Characteristics in Lower or Higher Speed Operating Region

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  • Yong-Sim Ro

    (Faculty of Electrical Engineering, Kim Chaek University of Technology, 60-Kyogu, Yonggwang Street, Pyongyang, DPR Korea)

Abstract

Satisfying the given output characteristics and achieving high efficiency in different operating speed regions are important in the optimal design of permanent magnet synchronous motors used as traction motors in urban electric vehicles. In this paper, a method is proposed to determine the motor parameters that satisfy the given operating points in lower or higher speed operating region of output characteristics so that the motor performance can be kept in a high efficiency range. The relationships between the motor operating points including maximum torque, base speed and maximum speed and design parameters including armature magnetic flux linkage, d-axis and q-axis inductance are considered. And the calculated expressions of relative motor parameters satisfying the operating characteristics such as the maximum torque in lower speed region and the maximum speed in higher speed region are derived. This method was applied to the design of a 16 Nm interior permanent magnet synchronous motor (IPMSM) to verify that the design parameters satisfy the given output operating characteristics.

Suggested Citation

  • Yong-Sim Ro, 2025. "Design of Interior Permanent Magnet Synchronous Motor to Satisfy Given Output Characteristics in Lower or Higher Speed Operating Region," International Journal of Research and Innovation in Social Science, International Journal of Research and Innovation in Social Science (IJRISS), vol. 9(9), pages 5397-5415, September.
    • Handle: RePEc:bcp:journl:v:9:y:2025:issue-9:p:5397-5415
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