Parameter optimization and characteristic analysis of tangentially magnetized reverse-salient permanent magnet synchronous motor
Abstract Reverse-salient permanent magnet synchronous motors have reverse-salient characteristics, and the direct-axis inductance is larger than the quadrature-axis inductance. Compared with the traditional positive-salient permanent magnet synchronous motor, the reverse-salient permanent magnet syn...
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| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
Springer
2025-06-01
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| Series: | Discover Applied Sciences |
| Subjects: | |
| Online Access: | https://doi.org/10.1007/s42452-025-07158-z |
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| Summary: | Abstract Reverse-salient permanent magnet synchronous motors have reverse-salient characteristics, and the direct-axis inductance is larger than the quadrature-axis inductance. Compared with the traditional positive-salient permanent magnet synchronous motor, the reverse-salient permanent magnet synchronous motor can make better use of the reluctance torque, broaden the constant power speed regulation range of the motor, effectively utilize the current of flux-increasing, and improve the operating point of the permanent magnets. In this study, a tangentially magnetized reverse-ramped permanent magnet synchronous motor (TM-RSPMSM) structure is presented. The segmented design of the permanent magnets improves the motor’s direct-axis inductance, and the rotor eccentricity and a magnetic barrier at the quadrature-axis reduces the quadrature-axis inductance. Analyzed by finite element method, the motor is characterized by strong overload capacity, wide range of constant power speed regulation and high efficiency at high speed operation. |
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| ISSN: | 3004-9261 |