Magnetic Field

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  1. [JAC224] 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.

  2. [JAC213] Circuit/Control Simulation of a Wound-Field Synchronous Motor

    In this example, JMAG-RT is used to obtain the torque of a wound-field synchronous motor (below WFSM) and the coil inductance current dependence, and the spatial harmonic componen…

  3. [JAC222] Irreversible Thermal Demagnetization Analysis of Incompletely Magnetized Magnets

    In this example, analysis is performed while varying the temperature of magnetized magnets, and then the influence on the torque waveform and magnetic flux density distribution is…

  4. [JAC268] SPM Motor Teeth Geometry Topology Optimization

    In this example, the on / off method is used to search for stator teeth geometry that maximizes average torque and minimizes torque ripple with the entire areas of stator teeth ti…

  5. [JAC209] 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…

  6. [JAC165] Creating IPM Motor Efficiency Maps

    In this example, an efficiency map of an IPM motor is created and the loss ratios at each operating point are evaluated.

  7. [JAC107] Current voltage characteristics analysis of flyback converters

    In this example, this case study obtains the current waveform of the primary / secondary winding and the core magnetic flux density distribution, current density distribution insi…

  8. [JAC192] Response Characteristics Analysis of Solenoid Valves Accounting for Residual Magnetization

    In this example. we will discuss the steps to investigate the effect on responsiveness caused by residual magnetization generated in the magnetic materials, and look at case examp…

  9. [JAC233] 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.

  10. [JAC008] Analysis of an Axial Gap Motor

    In this example, how to use JMAG's 3D magnetic field analysis to carry out a load analysis of an axial gap motor, and then obtain the Torque-Speed curve and the Torque-Current cur…

  11. [JAC072] Analysis of Attractive Force between Steel Plates and a Magnet

    This Application Note explains how to obtain the magnetic flux density distribution and attractive force generated between a steel plate and a magnet.

  12. [JAC115] Eccentricity Analysis of an SPM Motor

    This Application Note presents how to evaluate the cogging torque waveform and effects on the electromagnetic force acting on the stator in an SPM motor with and without eccentric…

  13. [JAC217] Creating Efficiency Maps for 3-Phase Induction Motors

    In this example, the use of JMAG-RT Viewer to create efficiency maps for three-phase induction motors when drive temperatures change.

  14. Togami Electric Mfg. Co., Ltd.

    Building on tradition, the Togami Electric Mfg. Co., Ltd., a manufacturer of power distribution and control equipment, makes use of their creativity and ingenuity to evolve with s…

  15. [JAC240] NT Characteristics Analysis of an IPM Motor Using PAM Drive

    In this example, an example of evaluating the performance of an IPM with PAM operation is presented.

  16. [JAC234] Vibration Characteristics Analysis of an Induction Motor

    In this example, electromagnetic force generated in the induction motor stator core is obtained, and an example of evaluating sound pressure by linking it with the eigenmode of th…

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