Research Article
Research on Demagnetization Fault Diagnosis Method of Mine Cutting Permanent Magnet Synchronous Motor
| Parameter | Value | Unit | Parameter | Value | Unit |
| Number of pole pairs | 8 | | Rotating speed | 400 | r/min | Phase | 3 | | Working frequency | 26.7 | Hz | Operating temperature | 75 | °C | Remanence | 1.23 | T | Permanent magnet material | NdFe35 | H/m | Magnetization thickness | 16.2 | mm | Air gap length | 3 | mm | Rated torque | 5 | kNm | Rated current | 107 | A | Stator outer radius | 300 | mm | Rotor radius | 183 | mm | Air gap | 1 | mm |
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