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  1. 30 – Magnetization Field Evaluation of an SPM motor

    In this example, carry out SPM motor's magnetization to obtain the magnetization field and magnet's surface magnetic flux density.

  2. [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 …

  3. [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).

  4. [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…

  5. [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.

  6. Development of Thin and High Torque Axial Gap Motor Using Soft Magnetic Powder Cores

    Tatsuya Saito, Sumitomo Electric Industries, Ltd.

  7. 192 – Response Characteristics Analysis of Solenoid Valves Accounting for Residual Magnetization

    Here, we will discuss the steps to investigate the effect on responsiveness caused by residual magnetization generated in the magnetic materials, and look at case examples.

  8. 222 – Irreversible Thermal Demagnetization Analysis of Incompletely Magnetized Magnets

    In this example, analysis is performed while varying the temperature of magnetized magnets, and then the influence on the torque waveform and magnetic flux density distribution is…

  9. 225 – Induced Voltage Analysis of Memory Motor using Variable Magnetized Magnet

    In this example, the change in motor characteristics are checked as the memory motor variable magnet magnetization is changed using the three-phase coil current. One example of mo…

  10. [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 …

  11. 238 – Hysteresis Loss Analysis in a Reactor with DC Bias

    In this example, we will observe the difference between the hysteresis losses calculation method loop count and the play model for the model that is subjected to a DC bias filed o…

  12. 194 – Analysis of High-Speed Rotation Motors Accounting for Eddy Current

    Here we discuss the steps for accounting for eddy current loss occurring in the magnetic steel sheets during a magnetic field analysis, and then analyze the effects on torque.

  13. 188 – Thermal Demagnetization Analysis of IPM Motors Accounting for Coercive Force Distribution of Magnets

    This example presents whether or not the demagnetization region can be smaller by assigning distribution to the coercive force of permanent magnets.

  14. 184 – Reactor Sound Pressure Analysis taking Magnetostriction into Account

    These notes will conduct an analysis of changed vibratory force and show a case study of confirming the impact magnetostriction has on vibration noise.

  15. [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…

  16. [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…

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