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Transient Magnetic (2D/Axisymmetric)

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  1. [JAC326] Drive Cycle Loss Analysis of a Wound-field Synchronous Motor Accounting for Temperature Variations

    This case study evaluates the losses and temperature changes over time of a wound-field synchronous motor during a WLTC drive cycle using temperature-dependent efficiency maps.

  2. [JAC327] Efficiency Map Creation for a Wound-field Synchronous Motor Accounting for Continuous Operation

    This case study runs various wound-field synchronous motor analyses to create efficiency maps by applying a temperature limit for motor components during continuous and short-time…

  3. [JAC317] Optimization via a Surrogate Model Using Materials as Design Variables

    This case study runs a material optimization of an IPM motor that minimizes the iron losses and material costs to select the best core from three types of materials: electromagnet…

  4. [JAC314] Torque Analysis of an SPM Motor Using a Halbach Array

    This case study sets the magnetization pattern for a Halbach array to a two-dimensional SPM motor, and then compares it against a standard magnet arrangement. The results demonstr…

  5. [JAC319] Design Exploration of an IPM Motor Using an Offline Optimization

    This document introduces a process for an offline optimization run using a surrogate model to explore design solutions that satisfy the requirements in less time while also reduci…

  6. [JAC307] Topology Optimization of SPM Motor Using the Magnet Orientation Direction as a Design Variable

    This case study runs an optimization to simultaneously explore the magnet topology and orientation directions through design variables to obtain at least the same torque as a Halb…

  7. [JAC306] IPM Efficiency Map Analysis Accounting for Continuous Operation

    In this example, we will create an efficiency map for an IPM motor that considers continuous operation and imposes temperature constraints on the components.

  8. [JAC305] Loss Analysis of IPM Motor During Driving Cycle Considering Temperature Variation

    In this example, we evaluate the time variation of losses and temperature during WLTC driving cycles when using an efficiency map with temperature dependency in an IPM motor.

  9. [JAC302] Optimization of IPM Motor Geometry and Coil Turns

    This case study optimizes IPM motor geometry and coil turns by using objective functions to maximize the average efficiency of several operating points and minimize the volume to …

  10. [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.

  11. [JAC303] Geometry Optimization of a Motor Considering Vibration at System-level

    In this document, the dimensional optimization of a single motor is performed to minimize the vibration at the system level.

  12. [JAC267] IPM Motor Topology Optimization Using the Density Method

    Magnetic field and structural coupled analysis is run in this example. While accounting for rotor core strength, topology optimization that uses the density method is used to perf…

  13. [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.

  14. [JAC298] Analysis of an SPM Motor Taking into Account the Effects of Layer Shorts

    OverviewDeterioration in the coil insulation may cause a short circuit between adjacent coil layers (layer short). A short-circuit current flowing when the winding has a layer sho…

  15. [JAC299] Inverter Changeover Control for an Open-end Winding Motor (Wound-Field Synchronous Motor)

    This case study runs a circuit simulation of an open-end winding motor drive system that switches from using a single inverter to dual inverters during operation in order to mitig…

  16. [JAC038] 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 …

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