Magnetic Field

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  1. 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.

  2. 244 – Magnetic Field Strength Analysis at a Sensor Position

    In this example, with the analysis target being a motor and the detection sensor being a TMR sensor, an example where a detection signal waveform is obtained that is based on magn…

  3. 251 – Alternator Vibration Analysis

    In this example, the electromagnetic force generated in the stator core of a claw pole alternator is obtained, and acceleration is evaluated with an electromagnetic force - struct…

  4. 218 – High-Frequency Induction Hardening Analysis Accounting for Deformation

    In this example, using the JMAG magnetic field - thermal stress coupled analysis function, analysis is performed evaluating gear deformation from induction heat hardening.

  5. 255 – Evaluating the N-T Curve of an IPM motor Using 3D Correction

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

  6. [L-TR-44] Winding Vibration Analysis of a Power Transformer

    Winding vibration originating from a transformer is a vibration phenomenon that uses Lorentz force as the vibration force, which occurs when flux leakage from the winding works on…

  7. [L-SE-59] Detailed Modeling for Higher Harmonic Loss Analysis

    In IPM motors driven by PWM inverters, eddy current losses occur due to carrier higher harmonics. For higher efficiency, it is important to evaluate higher harmonic loss at design…

  8. [L-OP-61] Smooth and robust optimization process in JMAG

    The optimization is indispensable in machines design. Especially the optimization must consider not only the magnetic design issues but also the mechanical and the thermal design …

  9. [L-MO-54] JMAG-Express Online

    JMAG-Express Online is a Web service to support your motor design work anytime, anywhere.

  10. [W-MO-12] Comparative Evaluation of Synchronous Impedance of a 2D Model and a 3D Model

    This case study makes the differences clear between 2D and 3D models by comparing the synchronous impedances obtained from the analysis results of 2D and 3D models, and shows that…

  11. [W-TR-15] Loss Evaluation of a Transformer Shield Based on the Homogenization Method

    In this paper, each electromagnetic steel sheet of the shield is not modeled; by applying the homogenization method which replaces magnetically and electrically equivalent materia…

  12. [W-MA-47] Toward Practical Application of Iron Loss Analysis Taking Stress into Account

    Increasing the accuracy of an iron loss analysis for a magnetic field analysis poses challenges.

  13. [W-MA-50] Effectiveness and Limits of 2D Analysis from Loss Analysis

    In electromagnetic field analysis, 2D analysis (FEM) that include iron loss evaluations are widely used as a way to find a balance between finely detailed analysis and convenient …

  14. [W-MB-52] Method for Determining the Optimum Resolution of JMAG-RT Model

    In recent years, with the shortening of the development cycle, model-based development (MBD) has become more important than before.

  15. [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.

  16. [W-SE-75] Iterative Calculations and Convergence Characteristics

    In this report, we will explain the convergence criteria of a local quantity and the improvement of the determination of convergence of ICCG. And then, we describe that these idea…

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