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  1. [W-MA-21] Iron Loss Analysis of an SR Motor Accounting for Hysteresis and Eddy Current Distribution

    Overview1. IntroductionSwitched reluctance motors (hereafter referred to as an "SR motor") are highly durable, robust, and have low costs since they do not use permanent magnets. …

  2. [W-MO-23] Measurement of PM Motor Vibration/Noise and Analysis Modeling

    Overview1. IntroductionWhile miniaturization and efficiency optimization are always in demand in motor development, demand is also increasing for the reduction of vibration and no…

  3. [W-MA-46] Calculation Method of Eddy Current Loss of Electromagnetic Steel Sheet Using a 1D Finite Element Method

    Overview1. Background and subjectAs electromagnetic devices become more and more efficient, the precision in iron loss analysis becomes more important for electromagnetic field an…

  4. [W-MA-48] Analyses of Higher Harmonics Copper Loss and Improvements Through Design Changes

    Overview1. BackgroundIncreasing the accuracy of a loss analysis for a magnetic field analysis becomes an important issue. Various factors cause losses to diverge from their theore…

  5. [W-MA-51] Understanding Electromagnetic Phenomena in Steel Sheets Through Simulation

    Overview1. IntroductionDiscussions so far have focused on the degree to which agreement was found with respect to total loss on actual measurements and analysis in iron loss evalu…

  6. [W-MB-65] The Necessity of JMAG-RT 3D Models

    In this paper, the necessity of 3D FEA models in plant model generation will be discussed.

  7. [W-MA-87] Verification of the Accuracy of Minor Loop Loss Using a Play Model

    In this paper, from the minor loop loss with DC superposition being measured and compared with results using the play model, it was verified that the play model can reproduce the …

  8. [W-MA-70] Mesh Modeling for Coil AC Loss Analysis

    In this report, coil AC loss analysis is examined from the perspective of mesh modeling.

  9. [W-MB-63] Method for Determining the Optimum Resolution of JMAG-RT Model

    In this paper, we present a method to increase the resolution of a JMAG-RT model iteratively while performing system simulation.

  10. [W-MA-88] Improvements in Accuracy of Anomalous Eddy Current Loss Calculations

    In this paper, the improvements in the accuracy of anomalous eddy current loss calculations are described.

  11. [W-HU-71] Notes on Performance Evaluation and Hardware Selection of JMAG Parallel Solver

    This document can be thought of as pointers and precautions for hardware selection and software operation.

  12. [W-MO-85] Efficiency Map Evaluations Considering Harmonic Loss

    In this paper, we propose a method that combines two approaches to calculate the efficiency at various operating points considering the influence of time harmonics and other effec…

  13. [W-MB-64] Modeling Loss in JMAG-RT

    In this paper, we explain how loss is modeled in a JMAG-RT model.

  14. [W-MO-17] Alternator Analysis Using Tetrahedral/Pentahedral Mixed Mesh

    This paper looks at tetrahedral/pentahedral mixed mesh and aims to generate effective mesh to reduce calculation time. We compared calculation times and accuracy when analysis is …

  15. [W-SE-73] Influence of Element Shapes Near the Coil on Convergence

    Mesh is essential for the accuracy and convergence of iterative calculations such as ICCG in the finite element method.

  16. [W-MO-13] Evaluation of a 2D Brush Motor Analysis Accounting for 3D Geometry

    In this applied case, the structure of a 2D analysis model accounting for 3D geometry is evaluated through the comparison with a 3D analysis model. The modeling validity is proved…

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