JMAG-Designer

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  1. [JAC236] Magnetic Circuit Optimization for Plastic Magnets in an Axial Magnetic Field

    In this example, a use case is presented in which a magnetic circuit of a product-forming mold, in a magnetic field aligned with the mold’s main axis, is optimized, with the mold’…

  2. [W-MB-102] Motor Efficiency Map Evaluation for Model-Based Development (MBD) Using FEA Simulation

    In MBD, it is necessary to evaluate devices characteristics without having to wait for the manufacturing of a prototype.

  3. [JAC151] Insulation Evaluation Analysis of a Power Transformer

    In this example, how to obtain the electric field intensity distribution when a lightning strike or short circuit occurs and the assumed maximum voltage is applied to the winding.

  4. [JFT104] Application of an Anomalous Eddy Current Loss Factor Dependent on Magnetic Flux Density and Frequency

    In this document, an anomalous eddy current loss factor table is created in which an anomalous eddy current loss correction factor is dependent on frequency and magnetic flux dens…

  5. [JAC030] Magnetization Field Evaluation of an SPM motor

    In this example, carry out SPM motor's magnetization to obtain the magnetization field and magnet's surface magnetic flux density.

  6. [JFT098] Automatic Thread Allocation During Local Job Execution

    In this document, how to optimally allocate threads to cores is presented.

  7. [JFT096] Performing Parametric Analysis Using an Analysis Parameter View

    In this document, how to perform parametric analysis using an analysis parameter view and how to check the results is presented.

  8. [L-MU-110] Reaching Steady-State at an Early Stage Using a Control Circuit Containing a JMAG-RT Model

    Many motor performance evaluations are performed at steady-state. If transients occur during control/circuit coupling, it is necessary to calculate the number of electrical angle …

  9. [W-MA-111] Improvements in Accuracy of Anomalous Eddy Current Loss Calculations (2)

    The iron loss analysis method the most commonly applied uses measured iron loss data (hereinafter referred to as the conventional method). In the conventional method, since the ap…

  10. [L-MO-115] Performance Evaluation of Induction Motors Using Efficiency Maps

    To analyze an induction motor's maximum efficiency, the voltage and slip is varied to find the combination with the highest efficiency.

  11. [L-SE-117] Dealing with Non-Conforming Mesh

    In an analysis using FEA, the motion region and stationary region connection surface meshes are made to conform. To do this the step displacement is adjusted to be an integral mul…

  12. [L-SE-116] Accuracy Improvement of Electromagnetic Force Calculation Using Correction

    In precision equipment analysis that requires high accuracy of operation, high accuracy is also required for the minute electromagnetic force generated by leakage flux and so on.

  13. [L-OP-109] Exploration of New Ideas Using Topology Optimization

    The requirements for motor design are getting more advanced, satisfying torque ripple, line voltage limit, stress of core, as well as maximize the torque at low and high speeds. I…

  14. [L-MO-108] Motor Performance Evaluation Considering Control

    At the motor component design stage, motor performance is evaluated using an ideal sinusoidal current.

  15. [L-OP-107] Parameterize the Number of Poles and Slots

    In the initial stage of motor design, combinations of various motor types, numbers of poles, and numbers of slots are considered to find a design that meets the requirements. When…

  16. [L-MO-106] Prototype and Performance Evaluation with Model-based Efficiency Map (Accuracy Priority Mode)

    The maximum efficiency of the drive motor for EV vehicles exceeds 95%. As further efficiency improvement is in the order of 1%, the efficiency error with the actual machine in the…

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