Material Modeling / Loss Analysis

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  1. 200 – Iron Loss Analysis of IPM Motor using Hysteresis Model

    In this example, a hysteresis model accounting for minor loops of the direct current bias magnetism and the lamination analysis function accounting for eddy current distribution i…

  2. [JFT069] Performing Harmonic Loss Calculations Accounting for Current Control with JMAG-Designer and JMAG-RT

    In this document, how to calculate the harmonic loss of a current controlled (PWM controlled) PM motor at high speed using a JMAG-RT model is presented.

  3. [JFT104] Application of an Anomalous Eddy Current Loss Factor Dependent on Magnetic Flux Density and Frequency

    In this document, an anomalous eddy current loss factor table is created in which an anomalous eddy current loss correction factor is dependent on frequency and magnetic flux dens…

  4. [W-MO-114] FEA efficiency map compared to measurements

    In this paper, we compare the simulation-based efficiency map and the actually-measured efficiency map, and analyze the difference between the two efficiency maps and the factors …

  5. [W-MA-88] Improvements in Accuracy of Anomalous Eddy Current Loss Calculations (1)

    In iron loss analysis, conventionally, methods using previously measured iron loss data have been mainly used (hereinafter referred to as conventional methods).

  6. [W-MA-111] Improvements in Accuracy of Anomalous Eddy Current Loss Calculations (2)

    The iron loss analysis method the most commonly applied uses measured iron loss data (hereinafter referred to as the conventional method). In the conventional method, since the ap…

  7. [L-MU-110] Reaching Steady-State at an Early Stage Using a Control Circuit Containing a JMAG-RT Model

    Many motor performance evaluations are performed at steady-state. If transients occur during control/circuit coupling, it is necessary to calculate the number of electrical angle …

  8. [JFT089] Iron Loss Analysis Using a Play Model and Lamination Analysis

    In this document, an iron loss analysis procedure using method C from Table a-1 is presented.

  9. [JFT090] Iron Loss Analysis Using a Play Model and Lamination Analysis (Excess Eddy Current Loss Taken Into Account)

    In this document, an iron loss analysis procedure using method D from Table a-1 is presented.

  10. [JFT088] Iron Loss Analysis Using Iron Loss Characteristics Data (Isolation of Excess Eddy Current Loss)

    In this document, an iron loss analysis procedure using method B from Table a-1 is presented.

  11. [JFT087] Iron Loss Analysis Using Iron Loss Characteristics Data

    In this document, an iron loss analysis procedure using method A from Table a-1 is presented.

  12. [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…

  13. [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.

  14. [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 …

  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. Analysis of Winding Losses of Shunt Reactor using “Zooming Analysis”

    Yasuhisa Ito, MEIDENSHA CORPORATION

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