SPM Motor

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  1. [JAC021] Iron Loss Analysis of an SPM Motor Including the Effect of Shrink Fitting

    This note presents an analysis to obtain the iron loss density of an SPM motor both including and not including the stress caused by shrink fitting.

  2. [JAC029] Iron Loss Analysis of an SPM Motor with Overhanging Magnet

    This Application Note presents the use of a no-load iron loss analysis of an SPM motor with and without an overhanging magnet.

  3. [JAC040] Cogging Torque Analysis of an SPM Motor

    This Application Note presents the use of magnetic field analysis to obtain the cogging torque of an 8-pole, 9-slot SPM motor, which has relatively small period.

  4. [JAC015] Cogging Torque Analysis of an SPM Motor with a Step Skewed Magnet

    This Application Note presents the use of magnetic field analysis to evaluate the magnetic flux density distribution and cogging torque in each part of an SPM motor with a step sk…

  5. [JAC024] Cogging Torque Analysis of an SPM Motor with a Skewed Stator

    This note presents the use of magnetic field analysis to evaluate the cogging torque of an SPM motor with a skewed stator.

  6. [JAC031] 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.

  7. [JAC080] 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…

  8. [JAC108] 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.

  9. [JAC120] 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…

  10. [JAC046] Sensitivity Analysis of the Magnetization Pattern of an SPM 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. [JAC114] 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…

  12. [JAC159] 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…

  13. [JAC163] 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…

  14. [JAC020] 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 …

  15. [JAC241] 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.

  16. [JAC030] 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.

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