SPM Motor

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  1. 268 – SPM Motor Teeth Geometry Topology Optimization

    In this example, the on / off method is used to search for stator teeth geometry that maximizes average torque and minimizes torque ripple with the entire areas of stator teeth ti…

  2. 230 – 6-Phase SPM Motor Inverter Fault Simulation

    In this example, a JMAG-RT model of a 6-phase SPM is loaded into a control/circuit simulator, and circuit simulation for an inverter failure is carried out.

  3. 261 – SPM Motor Magnet Coercive Force Optimization For Obtaining Sinusoidal Magnetization

    In this example, a magnet is segmented into blocks and coercive force is defined. The coercive force of each block is calculated so that the induced voltage waveform approaches a …

  4. 30 – Magnetization Field Evaluation of an SPM motor

    In this example, carry out SPM motor's magnetization to obtain the magnetization field and magnet's surface magnetic flux density.

  5. 20 – Sound Pressure Analysis of an SPM Motor

    This Application Note shows an example of an evaluation of a reactor’s sound pressure, when acquiring electromagnetic force generated by a stator core for a SPM motor and linking …

  6. 226 – Vibration Characteristics Analysis of SPM Motors

    In this example, the acceleration is evaluated by obtaining the electromagnetic force generated in the stator core of the SPM motor at multiple rotation speeds and coupling with t…

  7. 241 – Single-Phase Synchronous Motor N-T-I Characteristics Analysis

    In this example, a use case in which the N-T-I characteristics for a single-phase synchronous motor are obtained is presented.

  8. 163 – Torque-Current Curve Analysis of an SPM Motor

    This Application Note presents how to obtain the torque-current curve as a basic property of one type of permanent magnet synchronous motor, the surface permanent magnet synchrono…

  9. 159 – Sensitivity Analysis of Dimensional Tolerance in an SPM Motor

    This Application Note presents how to assume a dimensional tolerance of ±0.4 mm for a chamfer, and find out whether changing dimensions within the tolerance range has an effect on…

  10. 114 – Vibration Analysis of an Outer Rotor Motor

    This note presents the use of a magnetic field analysis and structural analysis to obtain the sound pressure caused by electromagnetic vibrations in an outer rotor motor with hole…

  11. 124 – Cogging Torque Analysis of an SPM Motor Accounting for Uneven Stator Diameter

    This Application Note presents how to obtain the cogging torque with and without uneven displacement in the stator teeth, based on the displacement obtained in an analysis of stre…

  12. 93 – Cogging Torque Analysis of a Motor with 8 Poles and 9 Slots Accounting for Eccentricity

    This example presents the use of a magnetic field analysis to obtain the cogging torque and electromagnetic force with and without eccentricity.

  13. 46 – Sensitivity Analysis of the Magnetization Pattern of an SMP Motor

    This Application Note presents the use of a magnetic field analysis to obtain the surface flux density for radial pattern, parallel anisotropic pattern, and polar anisotropy patte…

  14. 120 – Thermal Demagnetization Analysis of an SPM Motor

    This Application Note presents how to change the temperature of permanent magnets in an analysis, and then evaluate the effects on the torque waveform, magnetic flux density distr…

  15. 103 – Efficiency Analysis of a Permanent Magnet Synchronous Motor

    This example presents the use of a magnetic field analysis to evaluate the efficiency of a permanent magnet synchronous motor.

  16. 115 – Eccentricity Analysis of an SPM Motor

    This Application Note presents how to evaluate the cogging torque waveform and effects on the electromagnetic force acting on the stator in an SPM motor with and without eccentric…

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