IPM Motor

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  1. 273 – 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…

  2. 205 – 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.

  3. 165 – 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.

  4. 257 – 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…

  5. 264 – 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.

  6. 225 – 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…

  7. 259 – Automatically Searching for Current Phase that Obtains Maximum Torque and Evaluating Torque Characteristics

    In this example, a search is performed for the current phase that maximizes torque for each of 3 rotor geometries. Motor average currents and torque ripples are evaluated using th…

  8. 262 – 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…

  9. 223 – 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…

  10. 263 – IPM Motor Stress Analysis Taking Into Account Friction between Magnets and the Rotor Core

    In this example, in order to evaluate how the contacts between the magnets and the rotor core in an IPM motor affect the stress distribution, the von Mises stress is checked when …

  11. 22 – Analysis of the Eddy Current in the Magnet of an IPM Motor

    In this example, 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 in the magnet.

  12. 200 – 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…

  13. 18 – Thermal Analysis of a Motor

    This Application Note explains how to evaluate a motor’s temperature distribution by creating a thermal analysis model that can investigate the loss analysis and temperature distr…

  14. 215 – Simulation of an IPM Motor with a Delta Connection Using a Control Simulator and JMAG-RT

    In this example, a JMAG-RT model is incorporated into a control/circuit simulator to monitor the circulating current when an IPM motor is being driven.

  15. 240 – 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.

  16. 255 – Evaluating the N-T Curve of an IPM motor Using 3D Correction

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

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