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  1. White Papers

    [W-MA-46] Calculation Method of Eddy Current Loss of Electromagnetic Steel Sheet Using a 1D Finite Element Method

    When calculating the eddy current loss in magnetic steel, conventionally, a Fourier transform is taken of the magnetic flux density derived from analysis and compared with actual …

  2. White Papers

    [W-MA-51] Understanding Electromagnetic Phenomena in Steel Sheets Through Simulation

    In the following, detailed physical phenomena in steel sheets can be acquired by simulation through the confirmation of analysis results in JMAG’s latest analysis function of the …

  3. [JAC154] Calculation of Equivalent Circuit Parameters in a Three-Phase Induction Motor

    This Application Note explains how to obtain the secondary resistance, leakage inductance, and excitation inductance of an induction motor when its power supply frequency has been…

  4. [JAC120] Thermal Demagnetization Analysis of an SPM Motor

    This Application Note presents how to change the temperature of permanent magnets in an analysis, and then evaluate the effects on the torque waveform, magnetic flux density distr…

  5. [JAC074] Speed Versus Torque Analysis of a Single-Phase Induction Motor

    This Application Note explains how to obtain the current density distribution and Speed-Torque curve created by auxiliary winding that uses a capacitor.

  6. [JAC116] Operating Time Analysis of an Injector by Evaluating the Reduction in Eddy Currents

    This Application Note explains how to apply direct current voltage to a solenoid injector and obtain its response characteristics by accounting for effects from eddy currents. The…

  7. [JAC077] Inductance Analysis of an RFID Tag

    This Application Note performs a magnetic field analysis of an RFID tag that has a metallic film and a magnetic sheet with a resonance frequency of 13.56 MHz, and obtains the magn…

  8. [JAC075] Iron Loss Analysis of a Reactor

    This Application Note analyzes the iron loss of a reactor.

  9. [JAC084] Electromagnetic Forming Analysis of a Tube

    This Application Note explains how to obtain the Lorentz force density distribution generated in a tube when current is run through a coil.

  10. [JAC143] Inductance Analysis of an Air Core Coil

    This analysis shows how to obtain an air core coil’s inductance through analysis and compare it with theoretical values.

  11. [JAC161] Line Start Analysis of a Three-phase Induction Machine

    This Application Note presents an analysis that simulates the line start of an induction motor and obtains the starting performance of its rotation speed variations.

  12. [JAC133] Thermal Analysis of a Three-phase Transformer

    This Application Note presents an example of how to confirm a temperature distribution using the iron and copper losses of a three-phase transformer as heat sources.

  13. [JAC128] Structural Analysis of a Cantilever

    In this Application Note, the displacement is obtained for three simple cantilever beam models with different mesh conditions when their eigenmode or a concentrated load is applie…

  14. [JAC156] Segregation Analysis of Torque Components for an IPM Motor

    In this Application Note, the torque components are separated and the magnetic flux density distributions created by each magnetomotive force are confirmed.

  15. [JAC163] Torque-Current Curve Analysis of an SPM Motor

    This Application Note presents how to obtain the torque-current curve as a basic property of one type of permanent magnet synchronous motor, the surface permanent magnet synchrono…

  16. [JAC071] Basic Characteristic Analysis of a Motor with 2 Brushes, 6 Poles, and 19 Slots

    This Application Note presents an analysis to obtain the speed versus torque and torque versus current for a motor that has 2 brushes, 6 poles, and 19 slots.

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