SPM Motor

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  1. 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 …

  2. 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…

  3. 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.

  4. 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.

  5. 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…

  6. 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…

  7. 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…

  8. 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…

  9. 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.

  10. 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…

  11. 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…

  12. 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.

  13. 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…

  14. 108 – Centrifugal Force Rupture Analysis of a Ring Magnet

    This Application Note presents how to obtain the stress distribution of a ring magnet in an SPM motor rotating at high speeds.

  15. 80 – Cogging Torque Analysis of an SPM Motor with Skewed Magnetization

    This Application Note presents the use of a magnetic field analysis to obtain the flux density distribution, cogging torque, and induced voltage of an SPM motor that has skewed ma…

  16. 31 – Iron Loss Analysis of an SPM Motor Including the Effect of Press-fitting Stress

    This note presents the use of the press fit condition to model a core and frame and obtains iron loss density for when the generated stress is used and not used.

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