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Motor Loss Calculation under PWM Switching
Jihyun Kim, General Motors
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274 – 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…
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[W-MO-114] Efficiency Map Measurement Comparisons
This document compares an efficiency map obtained with simulations with an efficiency map consisting of actual measurements, achieving an error of 1% or less for entire regions. T…
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225 – Induced Voltage Analysis on Memory Motors Using Variable Magnets
In this example, the change in motor characteristics are checked as the memory motor variable magnet magnetization is changed using the three-phase coil current. One example of mo…
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Challenges Moving from Static to Dynamic Analyses: The Merits of Introducing Transient Response Analysis
Toshihisa Akutsu, San-Eisha, Ltd.
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The Influence of Material Hysteresis in Electromagnetic Pump Operation Analysis
Kiyoto Matsumoto, IWAKI CO., LTD.
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Development of Analysis and Design Technologies for Motors in Technology Research Association of Magnetic Materials for High-Efficiency Motors (MagHEM…
Yoshinari Asano, DAIKIN INDUSTRIES, LTD.
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Development of Axial Flux Motor Using High Performance Soft Magnetic Powder Cores
Yuta Enokizono, Sumitomo Electric Industries,Ltd.
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262 – IPM Motor Thermal Demagnetization Analysis with Incomplete Magnetization of Dy Diffusion Magnets
In this example, a motor using Dy diffused magnets the thermal demagnetization resistance of the Dy diffused magnets with a coercive force distribution when there is incomplete ma…
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30 – 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.
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[W-MA-88] Improvements in Accuracy of Anomalous Eddy Current Loss Calculations (1)
In iron loss analysis, conventionally, methods using previously measured iron loss data have been mainly used (hereinafter referred to as conventional methods).
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[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…
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[W-MA-47] Toward Practical Application of Iron Loss Analysis Taking Stress into Account
Increasing the accuracy of an iron loss analysis for a magnetic field analysis poses challenges.
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Development of Thin and High Torque Axial Gap Motor Using Soft Magnetic Powder Cores
Tatsuya Saito, Sumitomo Electric Industries, Ltd.
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192 – Response Characteristics Analysis of Solenoid Valves Accounting for Residual Magnetization
Here, we will discuss the steps to investigate the effect on responsiveness caused by residual magnetization generated in the magnetic materials, and look at case examples.
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222 – 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…
