Magnetic Field

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  1. [JAC219] Axial Gap Type Motor Cogging Torque Analysis

    In this example, presents a case study to obtain the cogging torque in an axial flux motor.

  2. [JAC203] No-Load Test Analysis of Power Transformer

    This example focuses on modeling in the analysis of no-load tests in JMAG and obtains the magnetic flux line, current, excitation conductance, and excitation susceptance that can …

  3. [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…

  4. [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…

  5. [W-SE-95] Improvement in Generation of Three-Dimensional Skin Mesh

    We have improved the reliability of skin mesh generation for JMAG-Designer in this work, and thus, its details are introduced in this paper.

  6. [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.

  7. [W-MA-76] Material Modeling Method for Electromagnetic Field/Iron Loss Analyses Considering Residual Strain

    This paper proposes an electromagnetic field analysis and iron loss analysis based on the assumption that the effect of punching can be expressed as a function of the distance fro…

  8. [W-MO-114] Comparison of Efficiency Map with Measurement

    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.

  9. [W-MA-67] On the Geometry Edge Effects in Laminated Steel Sheet Eddy Current Loss Analysis

    As rotating machines increase in speed and geometries become more complicated, prediction of performance by loss calculations become increasingly important.

  10. [W-MA-100] Introducing the Detailed Analysis Method for Electromagnetic Steel Sheet for High-Precision Loss-Assessment

    Here, we use a simple example and consider the significance of taking into account the eddy currents and magnetic hysteresis during magnetic field analysis.

  11. [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…

  12. [W-OP-166] Sensitivity Study of Configuration of Large Scale Multi-Objective Optimization of a PMSM

    The feasible solution space of large scale multi-objective optimization schemes is sensitive to the configuration (population size, objectives, constraints, and design variables).

  13. [W-OP-165] Solving Geometry Conflicts in GA Optimizations with Large Numbers of Geometric Parameters

    Genetic Algorithm (GA) based optimization with finite element analysis is expected to become a solution for the high performance motor designs which need to satisfy many strict re…

  14. [W-MO-164] Investigation in the Accuracy of FEA Based Efficiency Maps for PMSM Traction Machines

    The efficiency map is an indispensable tool for motor development and FEA has become widely used to create them instead of using measurements.

  15. Takao Kogyo Co., Ltd. / TKE Co., Ltd.

    Since its establishment in 1974, Takao Kogyo Co., Ltd. has been manufacturing automotive parts, industrial machinery parts, EV(electric vehicle) parts, and precision machinery par…

  16. [L-SE-163] High Performance Massive Case Calculations

    OverviewTo further improve the performance of electro-mechanical machine, which has many requirements, it is necessary to evaluate in detail many design factors or combinations, s…

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