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Iron Loss Calculation

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  1. [JAC146] Analysis of Stray Loss in a Transformer

    This Application Note explains how to obtain losses in a transformer tank and use them to evaluate the temperature distribution in each part.

  2. [JAC176] Drive Characteristic Analysis of a Three-Phase Induction Motor

    This Application Note explains how to confirm drive characteristics such as torque, loss, and efficiency in an induction motor when its rotation speed changes.

  3. [JAC166] Line Start Simulation of an Induction Machine Using a Control Simulator and the JMAG-RT

    This Application Note explains how to use the JMAG-RT to create a JMAG-RT model of an induction motor, import it to a circuit/control simulator, and run an induction motor line st…

  4. [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.

  5. [JAC177] Torque Characteristic Analysis of a Three Phase Induction Motor

    This Application Note explains how to obtain the torque characteristics in an induction motor when the current amplitude has been changed in a specific slip.

  6. [JAC185] Analysis of Stray Loss in a Power Transformer

    This note obtains loss distribution for each component in drive condition and checks local overheating.

  7. [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.

  8. [JAC206] Temperature Analysis of an Oil-Immersed Transformer Using a Coupled Magnetic Field and Thermal Fluid Analysis

    This document introduces, examples and steps will be shown to obtain heat distribution in a magnetic field analysis for a forced circulation type oil-immersed transformer, map the…

  9. [JAC229] Analysis of the Effect of PWM on the Iron Loss of an Induction Motor

    In this example, we introduce a case study to obtain the iron losses of the induction motor that accounts for the PWM input.

  10. [JAC238] 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…

  11. [JAC167] Iron Loss Analysis of a Three Phase Induction Motor

    This Application Note presents an example of how to find the iron loss in the stator core and rotor core at a rotation speed of 3,300 r/min.

  12. [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…

  13. [JAC181] Analysis of SR Motor Drive Characteristics

    This example presents how to confirm drive characteristics such as torque, loss, and efficiency in a motor when its switch timing changes for each rotation speed.

  14. [JAC142] Press Fit Analysis of a Divided Core

    This Application Note presents how to use the Press Fit condition to model an analysis of the stress from fitting a core to a frame, and then obtain the iron loss density of an IP…

  15. [JAC203] No-Load Test Analysis of Power Transformer

    This example focuses on modeling in the analysis of no-load tests in JMAG and obtains the iron loss distribution, current, excitation conductance, and excitation susceptance that …

  16. [JAC201] Iron Loss Analysis of an SR Motor

    This example, to accurately capture iron loss that occurs in the SR motor, we will introduce hysteresis loss accounting for the hysteresis loop of the materials and the iron loss …

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