Magnetic Field
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[JAC069] Iron Loss Analysis of an IPM Motor
This Application Note explains a case example that obtains the iron loss and its distribution in a permanent magnet motor.
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[JAC111] Starting Performance Analysis of a Universal Motor
This document introduces the use of a magnetic field analysis to obtain the speed versus time graph, the current waveform, and the torque versus time graph for a universal motor.
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[JAC079] Analysis of an Effect of Magnetic Field Orientation on Magnetization
This Application Note explains how to obtain a magnet’s surface magnetic flux density distribution while accounting for the orientation and magnetization processes.
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[JAC082] Analysis of a Synchronous Reluctance Motor
This Application Note presents an evaluation of torque variations that occur when the phase of a sinusoidal wave current is changed.
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[JAC121] Output Analysis of a Salient-Pole Synchronous Generator
This Application Note presents the use of a magnetic field analysis to obtain the magnetic flux density distribution, no-load saturation curve, and output of a salient-pole synchr…
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[JAC091] Iron Loss Analysis of an IPM Motor Including the Effects of Press Fitting Stress
This Application Note presents modeling the press fitting of a core and frame with the Press Fit condition and then obtaining the iron loss density of an IPM motor with and withou…
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[JAC112] Starting Thrust Force Analysis of a Linear Induction Motor
This Application Note presents how to obtain the starting thrust force for a linear inductance motor.
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[JAC127] Resistance Heating Analysis of Steel
This Application Note presents how to obtain the temperature distribution, temperature variations, and heat flux distribution in a body heated by ohmic heating.
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[JAC089] Stiffness Torque Analysis of a PM Stepper Motor
This Application Note describes how the stiffness torque at 0.5 A of current can be calculated for a PM stepper motor.
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[JAC146] Analysis of Stray Loss in a Transformer
This Application Note explains how to obtain losses in a transformer tank and use them to evaluate the temperature distribution in each part.
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[JAC081] AL-value Analysis of a Choke Coil
This Application Note explains a case example that obtains the air gap versus AL characteristics of a choke coil.
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[JAC119] Torque Characteristic Analysis of a Three Phase Wound Rotor Induction Motor
This Application Note shows how to obtain the current density distribution and slip-torque curve.
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[JAC152] Electromagnetic Force Analysis of Short-circuited Power Transformer Coils
This analysis uses different coil positions to evaluate the Lorentz force density and electromagnetic force produced in the coils during a short circuit in order to confirm the ef…
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[JAC094] Analysis of Detent Torque of a PM Stepper Motor
This Application Note describes how the detent torque can be calculated for a PM stepper motor.
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[JAC158] Superimposed Direct Current Characteristic Analysis of a Reactor That Accounts for Minor Hysteresis Loops
This Application Note presents the use of the frozen permeability condition to obtain the superimposed direct current characteristic that includes minor hysteresis loops of a high…
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[JAC086] Power Transmission Analysis of a Wireless Power Transfer System
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…
