SPM Motor

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  1. [JAC274] SPM Motor Thermal Demagnetization Analysis Using Bonded NdFeB Magnets

    In this example, an SPM motor thermal demagnetization analysis is performed using bonded NdFeB magnets. Both the influence on torque waveforms when changing rotor magnet temperatu…

  2. [JAC261] SPM Motor Magnet Coercive Force Optimization For Obtaining Sinusoidal Magnetization

    In this example, a magnet is segmented into blocks and coercive force is defined. The coercive force of each block is calculated so that the induced voltage waveform approaches a …

  3. Fuel Consumption Simulations for Vehicles Equipped with HUB Bearings with Motor Generator (eHUB)

    Mitsuo Kawamura, NTN Corporation

  4. Electromagnetic Excitation Force Generated on High Power Density High Rotation SPM Motor Rotor of Rocket Engine Propellant Supply Electric Pump

    Mitsuru Shimagaki, Japan Aerospace Exploration Agency

  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. [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 …

  7. [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…

  8. [L-MO-105] System Design with Model-based Efficiency Map (Speed Priority Mode)

    Electrical Vehicle drive require high efficiency of 95% or more over a wide operating range.

  9. [W-SE-113] Reduction of Calculation Time Using Equivalent Circuit Model

    In electrical machine design, the use of coupled analysis between the electromagnetic FEA and the motor drive control circuit is necessary in order to have an understanding of the…

  10. [L-MO-54] JMAG-Express Online

    JMAG-Express Online is a Web service to support your motor design work anytime, anywhere.

  11. [W-MO-85] Efficiency Map Evaluations Considering Harmonic Loss

    In this paper, we propose a method that combines two approaches to calculate the efficiency at various operating points considering the influence of time harmonics and other effec…

  12. [W-MB-64] Modeling Loss in JMAG-RT

    In this paper, we explain how loss is modeled in a JMAG-RT model.

  13. New Opportunities for Motor Design – Electric and Hybrid Propulsion of Aircraft

    Bulent Sarlioglu, University of Wisconsin-Madison

  14. Development of High-Power-Density Machines for Aircraft Applications

    Dheeraj Bobba, University of Wisconsin-Madison

  15. [JAC241] Single-Phase Synchronous Motor N-T-I Characteristics Analysis

    In this example, a use case in which the N-T-I characteristics for a single-phase synchronous motor are obtained is presented.

  16. [JAC020] Sound Pressure Analysis of an SPM Motor

    This Application Note shows an example of an evaluation of a reactor’s sound pressure, when acquiring electromagnetic force generated by a stator core for a SPM motor and linking …

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