IPM Motor

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  1. [JAC225] Induced Voltage Analysis on Memory Motors Using Variable Magnets

    In this example, the change in motor characteristics are checked as the memory motor variable magnet magnetization is changed using the three-phase coil current. One example of mo…

  2. [JAC259] Automatically Searching for Current Phase that Obtains Maximum Torque and Evaluating Torque Characteristics

    In this example, the current phase that maximizes the torque is searched for each of three rotor geometries. The motor average currents and torque ripples are evaluated using the …

  3. [JAC263] IPM Motor Stress Analysis Taking Into Account Friction between Magnets and the Rotor Core

    OverviewIn an IPM motor, magnets experience centrifugal force during high-speed rotation, generate friction while sliding, and are pressed against the rotor core, generating large…

  4. [JAC022] Analysis of the Eddy Current in the Magnet of an IPM Motor

    This Application Note presents the use of a magnetic field analysis in a state of operation to obtain variations in magnet eddy current losses according to the number of divisions…

  5. [JAC200] Iron Loss Analysis of IPM Motor using Hysteresis Model

    In this example, a hysteresis model accounting for minor loops of the direct current bias magnetism and the lamination analysis function accounting for eddy current distribution i…

  6. [JAC255] Evaluating the N-T Curve of an IPM motor Using 3D Correction

    In this example, obtains N-T curves using the correction function.

  7. [JAC214] Monitoring the Radial Force Acting on the Teeth of IPM Motors Using Circuit Control Simulation

    In this example, an IPM motor as a JMAG-RT model is captured in a control/circuit simulator, and radial forces acting on the teeth during motor driving is monitored while changing…

  8. [JAC142] Press Fit Analysis of a Divided Core

    This Application Note presents how to use the Press Fit condition to model an analysis of the stress from fitting a core to a frame, and then obtain the iron loss density of an IP…

  9. [JAC239] Fault Analysis in an IPM Motor

    In this example, we introduce the case study that simulate the fault of an IPM motor using JMAG-RT. The fault simulated in this case study is an open circuit fault which is caused…

  10. [JAC237] AC Loss Analysis of an IPM Motor

    In this example, we introduce the case study that evaluates AC losses in coils of an IPM motor.

  11. [JAC194] Analysis of High-Speed Rotation Motors Accounting for Eddy Current

    Here we discuss the steps for accounting for eddy current loss occurring in the magnetic steel sheets during a magnetic field analysis, and then analyze the effects on torque.

  12. [JAC188] Thermal Demagnetization Analysis of IPM Motors Accounting for Coercive Force Distribution of Magnets

    This example presents whether or not the demagnetization region can be smaller by assigning distribution to the coercive force of permanent magnets.

  13. [JAC173] Basic Characteristic Analysis of an IPM Motor

    This Application Note demonstrates an analysis in which an IPM motor's cogging torque, torque, magnetic flux density distribution, and iron loss in the stator core are obtained.

  14. [JAC156] Segregation Analysis of Torque Components for an IPM Motor

    In this Application Note, the torque components are separated and the magnetic flux density distributions created by each magnetomotive force are confirmed.

  15. [JAC157] Analysis of Eddy Currents in an IPM Motor Using the Gap Flux Boundary

    This Application Note explains how to use the gap flux boundary condition to evaluate the eddy current loss in the magnet by changing the number of magnet divisions. This will mak…

  16. [JAC131] Stray Capacitance Analysis of a Motor

    This note presents the use of analysis to obtain the stray capacitance between an IPM motor’s coil and stator core, between its rotor core and stator core, and between the inner a…

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