Eddy Current Analysis

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  1. [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…

  2. [JAC220] 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.

  3. [JAC221] Confirmation of the Influence from 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…

  4. [JAC202] 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…

  5. [L-MO-29] Creating Efficiency Maps with JMAG (FEA)

    JMAG now offers a tool which uses finite element analysis (FEA) calculations to output an efficiency map. The advantage of using FEA to calculate an efficiency map is accuracy. In…

  6. [L-MB-32] Simulating Responsiveness of Electric Machinery During Control with High Accuracy Using a Direct Coupling Analysis

    For machines requiring high-speed responsiveness for controllers such as solenoid valves and injectors, level of accuracy required in simulation have increased following the advan…

  7. [L-MO-90] Detailed Coil Modelling for Motors

    Motors require higher power densities and lowered heights. This calls for high-fidelity simulations that make it possible to view the effects of the detailed geometry of a coil. I…

  8. [W-MA-70] Mesh Modeling for Coil AC Loss Analysis

    In this report, coil AC loss analysis is examined from the perspective of mesh modeling.

  9. [JAC194] 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.

  10. [JAC191] 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…

  11. [JAC186] 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…

  12. [JAC183] Agitation Force Analysis of an Induction Furnace

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

  13. [JAC173] 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.

  14. [JAC172] 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…

  15. [JAC157] 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…

  16. [JAC052] Inductance Analysis of a Sheet Coil Transformer

    This Application Note explains how to obtain the self-inductance and leakage inductance of a sheet coil transformer.

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