Eddy Current Analysis

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  1. 157 – Analysis of Eddy Currents in an IPM Motor Using the Gap Flux Boundary

    This Application Note explains how to use the gap flux boundary condition to evaluate the eddy current loss in the magnet by changing the number of magnet divisions. This will mak…

  2. 172 – High-Frequency Induction Heating Analysis of a Test Piece (Rotational Induction Hardening)

    This Application Note explains how to create a numerical analysis model when obtaining the optimum coil geometry, current conditions (power supply frequency, current value), and r…

  3. 173 – Basic Characteristic Analysis of an IPM Motor

    This Application Note demonstrates an analysis in which an IPM motor's cogging torque, torque, magnetic flux density distribution, and iron loss in the stator core are obtained.

  4. 183 – Agitation Force Analysis of an Induction Furnace

    This analysis will evaluate the size of Lorentz force required to agitate and where this is generated.

  5. 186 – Gear Induction Hardening Analysis Using Two Frequencies

    In this material, the validity of coil geometry used for quenching is evaluated by heating the gear top and bottom at high and low frequencies, respectively, to confirm uniform te…

  6. 191 – Torque Analysis of Three-Phase Induction Motors Accounting for the Skew Using the Multi-slice Method

    In this document, the multi-slice method is used to compare torque waveforms of a cage three-phase induction motor with and without skew, and is then used to verify the effects of…

  7. 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.

  8. 209 – Magnetic Measurement Analysis Accounting for Eddy Currents

    This document introduces an analysis model is created based on the excitation current method, and the differences in magnetic properties obtained when the frequency is changed are…

  9. 211 – IPM Motor Wire Joule Loss Analysis

    In this example, evaluation of coil joule loss that includes eddy currents during motor rotation is introduced here.

  10. 233 – Induction Heating Coil Optimization

    In this example, an example of using an optimization function to design a coil to use for induction hardening a gear is presented.

  11. 202 – Core Stray Loss Analysis of Power Transformer

    This document introduces runs analysis by modeling the short-circuit test that is conducted when evaluating stray loss and obtains stray loss distribution in the core close to the…

  12. 221 – Confirmation of the Influence in the Reduction of High-Frequency Resistance of a Magnetically Plated Wire Choke Coil

    In this example, high frequency resistance values are obtained from choke coil copper loss analysis results using JMAG’s layer coating mesh function, and the effectiveness of redu…

  13. 224 – Wireless Power Transfer Device Stray Loss Analysis

    In this example, an example is presented investigating by using electromagnetic field analysis whether stray loss can be suppressed using an aluminum shield.

  14. 220 – Analysis of the High-Frequency Induction Hardening and Cooling of a Gear

    In this example, deals with induction heating and cooling analysis. An example is presented where the cooling rate for a gear differs depending on the cooling conditions.

  15. 218 – High-Frequency Induction Hardening Analysis Accounting for Deformation

    In this example, using the JMAG magnetic field - thermal stress coupled analysis function, analysis is performed evaluating gear deformation from induction heat hardening.

  16. 208 – 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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