Efficiency Analysis

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  1. [W-MO-164] Investigation in the Accuracy of FEA Based Efficiency Maps for PMSM Traction Machines

    The efficiency map is an indispensable tool for motor development and FEA has become widely used to create them instead of using measurements.

  2. [W-MB-151] Accuracy of Motor Plant Model Required for Control Calibration

    Control calibration is time-consuming work because it is carried out for every operating point using the actual machine.

  3. [W-MB-156] Improving Motor Plant Model Accuracy by Accounting for Harmonic Iron Loss

    Because of the acceleration of the motor and the effect of the PWM drive, it is becoming more important to account for loss in order to improve accuracy even for analysis using mo…

  4. [JAC273] Creating IPM Motor Efficiency Maps Accounting for AC Loss

    In this example, an IPM motor efficiency map that accounts for AC loss from a PWM is created, and a comparison with an efficiency map that does not account for AC loss is performe…

  5. Development of Axial-Gap motor for AGV

    Tatsuya Higashi, Shizuoka University, Graduate School of Science and Technology

  6. [JAC278] Creating Six-Phase Induction Motor Efficiency Maps

    In this example, a six-phase induction motor efficiency map is created in the concept design stage, and each operating point slip and iron loss are evaluated.

  7. [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.

  8. [JAC113] Power Transmission Analysis of a Wireless Power Transfer System with Opposing Cores

    This Application Note presents how to obtain the power transmission efficiency when the feeder wire’s position is moved in both the horizontal and vertical directions from a refer…

  9. [JAC264] Creating 6-Phase IPM Motor Efficiency Maps

    In this example, the efficiency map of a 6-phase IPM motor is created with loss ratios at each operating point also evaluated.

  10. [JAC265] Creating Synchronous Reluctance Motor Efficiency Maps

    In this example, the efficiency map of a synchronous reluctance motor is created with loss ratios at each operating point also evaluated.

  11. [JAC103] Efficiency Analysis of a Permanent Magnet Synchronous Motor

    In this example, how to obtain the efficiency with a sinusoidal wave voltage drive at a rotation speed of 1,800 r/min and voltage amplitude of 40 V.

  12. [JAC260] Creating Axial Gap-Type Motor Efficiency Maps

    In this example, the motor performance of axial gap-type motors with changes made to the flatness ratios.

  13. Improvement of IPM Motor Performance by Applying the New Si Gradient Steel Sheet “JNRF”

    Yoshiaki Zaizen, JFE Steel Corporation

  14. 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

  15. [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.

  16. [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.

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