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  1. [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…

  2. [L-MO-115] Performance Evaluation of Induction Motors Using Efficiency Maps

    To analyze an induction motor's maximum efficiency, the voltage and slip is varied to find the combination with the highest efficiency.

  3. [L-SE-117] Dealing with Non-Conforming Mesh

    In an analysis using FEA, the motion region and stationary region connection surface meshes are made to conform. To do this the step displacement is adjusted to be an integral mul…

  4. [L-SE-116] Accuracy Improvement of Electromagnetic Force Calculation Using Correction

    In precision equipment analysis that requires high accuracy of operation, high accuracy is also required for the minute electromagnetic force generated by leakage flux and so on.

  5. [L-OP-109] Exploration of New Ideas Using Topology Optimization

    The requirements for motor design are getting more advanced, satisfying torque ripple, line voltage limit, stress of core, as well as maximize the torque at low and high speeds. I…

  6. [L-MO-108] Motor Performance Evaluation Considering Control

    At the motor component design stage, motor performance is evaluated using an ideal sinusoidal current.

  7. [L-OP-107] Parameterize the Number of Poles and Slots

    In the initial stage of motor design, combinations of various motor types, numbers of poles, and numbers of slots are considered to find a design that meets the requirements. When…

  8. [L-MO-106] Prototype and Performance Evaluation with Model-based Efficiency Map (Accuracy Priority Mode)

    The maximum efficiency of the drive motor for EV vehicles exceeds 95%. As further efficiency improvement is in the order of 1%, the efficiency error with the actual machine in the…

  9. [L-MO-105] System Design with Model-based Efficiency Map (Speed Priority Mode)

    Electrical Vehicle drive require high efficiency of 95% or more over a wide operating range.

  10. [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…

  11. [JFT084] Procedure for Two-Way Coupled Analysis Taking into Account Fluid Force with JMAG and STAR-CCM+

    In this document, how to set up a two-way coupled analysis that takes into account fluid force with JMAG and STAR-CCM+ is presented.

  12. [JAC254] Vibration Analysis of a Large Oil-Filled Transformer

    In this example, evaluating vibration caused by electromagnetic excitation in a large transformer. Since large transformers are oil-cooled, in this example the oil, which is the f…

  13. [JAC064] Thrust Force Analysis of a Coreless Linear Motor

    In this example, explains how to obtain the thrust variations in a coreless linear motor when it is driven with a three-phase alternating current.

  14. [JAC007] Analysis of a Spindle Motor

    In this example, how the Speed-Torque curve, the Torque-Current curve and the magnetic flux density distribution of a spindle motor can be obtained.

  15. [L-MU-91] NVH analysis of EV drivelines with JMAG and Romax Nexus

    NVH is the one of most critical issues in the drivelines development of EV/ HEV. There are several points to be considered for the NVH analysis of the driveline. To evaluate the N…

  16. [JAC208] High Frequency Induction Hardening Analysis Accounting for Deformation (Abaqus Link)

    This document introduces evaluates how heating ranges change depending on the deformation amount at high temperatures and deformation during heating, with heat generation analysis…

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