Motor

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  1. 272 – Thrust Analysis of Linear Actuator with a Curved Section

    In this example, the thrust characteristics of a linear actuator with a curved section are obtained via analysis, and thrust at the transition from a linear motion to a curved mot…

  2. 38 – Starting Performance Analysis of a Single Phase Induction Motor

    The purpose of this Application Note is to introduce an example of a single phase induction motor that uses a capacitor to set up an auxiliary winding and show its rotation speed …

  3. [W-MO-114] Efficiency Map Measurement Comparisons

    This document compares an efficiency map obtained with simulations with an efficiency map consisting of actual measurements, achieving an error of 1% or less for entire regions. T…

  4. [W-MO-119] Global Design Search of Multi-Objective Multi-Constraint Optimization Issues by Narrowing Down Design Spaces

    This document shows a reduction in calculation costs by narrowing down the design space as an optimization calculation pre-process using PM motor optimization issues as an example…

  5. 268 – SPM Motor Teeth Geometry Topology Optimization

    In this example, the on / off method is used to search for stator teeth geometry that maximizes average torque and minimizes torque ripple with the entire areas of stator teeth ti…

  6. 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…

  7. 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.

  8. 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.

  9. 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.

  10. 271 – Axial Gap Type Motor AC Copper Loss Analysis

    In this example, the AC copper loss of an axial gap type motor using square wire is evaluated.

  11. 265 – Creating Synchronous Reluctance Motor Efficiency Maps

    OverviewWith the increase in price for rare earth magnets, synchronous reluctance motors that do not utilize permanent magnets have been attracting attention for the likes of indu…

  12. 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…

  13. 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.

  14. 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…

  15. 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…

  16. [W-SE-101] Detailed Eddy Current Analysis of End Winding with Parallel Processing

    To accurately obtaining the end-winding eddy current loss at high rotation speed, the influence of the magnetic field flux generated by the eddy current flow in every part of the …

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