IPM Motor

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  1. [JAC222] Irreversible Thermal Demagnetization Analysis of Incompletely Magnetized Magnets

    In this example, analysis is performed while varying the temperature of magnetized magnets, and then the influence on the torque waveform and magnetic flux density distribution is…

  2. [JAC165] Creating IPM Motor Efficiency Maps

    In this example, an efficiency map of an IPM motor is created and the loss ratios at each operating point are evaluated.

  3. [JAC240] NT Characteristics Analysis of an IPM Motor Using PAM Drive

    In this example, an example of evaluating the performance of an IPM with PAM operation is presented.

  4. [JAC264] Creating 6-Phase IPM Motor Efficiency Maps

    In this example, the efficiency map of a 6-phase IPM motor is created with loss ratios at each operating point also evaluated.

  5. [JAC276] Six-Phase IPM Motor Harmonic Iron Loss Analysis

    In this example, confirming the effects of carrier harmonics on the iron loss of a six-phase IPM motor are explained here.

  6. [JAC262] IPM Motor Thermal Demagnetization Analysis with Incomplete Magnetization of Dy Diffusion Magnets

    In this example, a motor using Dy diffused magnets the thermal demagnetization resistance of the Dy diffused magnets with a coercive force distribution when there is incomplete ma…

  7. [JAC211] IPM Motor Wire Joule Loss Analysis

    In this example, evaluation of coil joule loss that includes eddy currents during motor rotation is introduced here.

  8. [JAC018] Thermal Analysis of a Motor

    In this example, how to evaluate a motor's temperature distribution by creating a thermal analysis model that can investigate the loss analysis and temperature distribution in ord…

  9. [JAC275] IPM Motor Iron Loss Analysis Accounting for the Effect of Residual Strain

    In this document, an analysis of an IPM motor accounting for the residual strain that occurs as a result of punching processes, and evaluates the effect on torque, magnetic flux d…

  10. [JAC273] Creating IPM Motor Efficiency Maps Accounting for AC Loss

    In this example, an IPM motor efficiency map that accounts for AC loss from a PWM is created, and a comparison with an efficiency map that does not account for AC loss is performe…

  11. [JAC205] Analyzing the Torque Characteristics of IPM Motors Using a Thermal Equivalent Circuit

    Here, we confirm a situation where temperature increases due to eddy current of the iron loss and magnet, which causes demagnetization of the magnet and torque reduction.

  12. [JAC257] IPM Motor Topology Optimization

    In this example, rotor core maximum stress and radial direction maximum displacement in the radial direction are set to certain values or less, and rotor geometry is designed that…

  13. [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…

  14. [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 …

  15. [JAC223] Multi-Objective Optimization of an IPM Motor Account Stress at High-Speed Rotation

    In this example, the optimum current phase that achieves high torque per each geometry is obtained, and the torque characteristics (1,000 r/min) and stress due to centrifugal forc…

  16. [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…

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