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  1. [W-MB-102] Motor Efficiency Map Evaluation for Model-Based Development (MBD) Using FEA Simulation

    In MBD, it is necessary to evaluate devices characteristics without having to wait for the manufacturing of a prototype.

  2. [W-SE-113] Reduction of calculation time using Equivalent Circuit model

    In electrical machine design, the use of coupled analysis between the electromagnetic FEA and the motor drive control circuit is necessary in order to have an understanding of the…

  3. [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 …

  4. [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).

  5. [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…

  6. [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…

  7. [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…

  8. [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.

  9. [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 …

  10. [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.

  11. [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…

  12. [W-SE-72] Reduction of Time Steps by Using Time Periodic Explicit Error Correction Method

    In electrical equipment design, Computer Aided Engineering (CAE) software is used to make the best possible products within allowable timelines.

  13. [W-MA-49] Necessity and Approach of Stray Load Loss Analysis

    The main components of loss depend on the operating point. One of these components is stray load loss.

  14. [W-SE-74] Electromagnetic Force Calculations Using the Adaptive Function

    In this report, we clarify the causes of measurement errors for electromagnetic force as well as show that adaptive analysis can be the way to solve this issue. As a calculation m…

  15. [W-MO-24] Copper Loss Analysis of a Rotating Machine Using the Zooming Method

    In this paper, this method is applied to a copper loss characteristics analysis of wires in a 2D rotating machine as well as a loss analysis of litz wires in a 3D rotating machine…

  16. [W-MB-66] Accuracy Improvements in the JMAG-RT Induction Machine Model

    In this paper, improvements in the accuracy of induction machine plant models when applied to automobile drive motors are discussed.

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