Eddy Current Analysis

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  1. 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.

  2. [L-SE-59] Detailed Modeling for Higher Harmonic Loss Analysis

    In IPM motors driven by PWM inverters, eddy current losses occur due to carrier higher harmonics. For higher efficiency, it is important to evaluate higher harmonic loss at design…

  3. [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…

  4. [W-MA-49] Necessity and Approach of Stray Load Loss Analysis

    The main components of loss depend on the operating point. One of these components is stray load loss.

  5. [W-MO-24] Copper Loss Analysis of a Rotating Machine Using the Zooming Method

    In this paper, this method is applied to a copper loss characteristics analysis of wires in a 2D rotating machine as well as a loss analysis of litz wires in a 3D rotating machine…

  6. [W-MO-17] Alternator Analysis Using Tetrahedral/Pentahedral Mixed Mesh

    This paper looks at tetrahedral/pentahedral mixed mesh and aims to generate effective mesh to reduce calculation time. We compared calculation times and accuracy when analysis is …

  7. Analysis of Winding Losses of Shunt Reactor using “Zooming Analysis”

    Yasuhisa Ito, MEIDENSHA CORPORATION

  8. Analysis of LIM-type Eddy-Current Rail Brakes using Large Scale Model

    Hiroshi Yoda, Railway Technical Research Institute

  9. Effects of the Aluminum Coil on the WPT System

    Atsushi Ogasahara, Tabuchi Electric co., ltd.

  10. 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.

  11. 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.

  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. 202 – Core Stray Loss Analysis of Power Transformer

    OverviewStray loss is mainly caused by leakage flux from winding, but structures closer to the winding will tend to be affected easier by leakage flux. The ratio of stray loss rel…

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

    An efficiency map is an effective method for expressings the performance of a motor in all operating regions. Conditions which maximize efficiency are required to obtain an effici…

  15. [L-MO-09] Easily Creating Complex Coil Ends Geometry in a Template

    The introduction of square wire coils and higher motor speeds no longer allow coil AC losses to be ignored as a loss factor. Coil AC losses are caused by the skin effect and prox…

  16. [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…

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