Transient Magnetic (2D/Axisymmetric)
[JAC120] Thermal Demagnetization Analysis of an SPM Motor
This Application Note presents how to change the temperature of permanent magnets in an analysis, and then evaluate the effects on the torque waveform, magnetic flux density distr…
[JAC106] Iron Loss Analysis of a Brush Motor
This note presents how to obtain the iron loss in the stator core and rotor core of a brush motor.
[JAC046] Sensitivity Analysis of the Magnetization Pattern of an SMP Motor
This Application Note presents the use of a magnetic field analysis to obtain the surface flux density for radial pattern, parallel anisotropic pattern, and polar anisotropy patte…
[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.
[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…
[JAC056] Torque Characteristics Analysis of a Self Starting Type Permanent Magnet Motor
This Application Note shows how to obtain the current density distribution and slip versus torque curve.
[JAC124] Cogging Torque Analysis of an SPM Motor Accounting for Uneven Stator Diameter
This Application Note presents how to obtain the cogging torque with and without uneven displacement in the stator teeth, based on the displacement obtained in an analysis of stre…
[JAC114] Vibration Analysis of an Outer Rotor Motor
This note presents the use of a magnetic field analysis and structural analysis to obtain the sound pressure caused by electromagnetic vibrations in an outer rotor motor with hole…
[JAC134] Speed Control Analysis of a Permanent Magnet Linear Motor Using the Control Simulator and the JMAG-RT
This Application Note presents how to use JMAG-RT to obtain the spatial harmonics and current dependency of the thrust and coil inductance, and import them to a circuit/control si…
[JAC148] Loss Analysis of a Power Transformer (Flyback Converter)
A magnetic field analysis simulation based on the finite element method (FEM) can precisely evaluate the complex loss distributions of the coil and core, so it is optimal for an a…
[JAC157] Analysis of Eddy Currents in an IPM Motor Using the Gap Flux Boundary
This Application Note explains how to use the gap flux boundary condition to evaluate the eddy current loss in the magnet by changing the number of magnet divisions. This will mak…
[JAC156] Segregation Analysis of Torque Components for an IPM Motor
In this Application Note, the torque components are separated and the magnetic flux density distributions created by each magnetomotive force are confirmed.
[JAC159] Sensitivity Analysis of Dimensional Tolerance in an SPM Motor
This Application Note presents how to assume a dimensional tolerance of ±0.4 mm for a chamfer, and find out whether changing dimensions within the tolerance range has an effect on…
[JAC162] Drive Simulation of an SR Motor using a Control Simulator and the JMAG-RT
In this Application Note, after using JMAG-RT to obtain an SR motor’s torque and inductance characteristics, the JMAG-RT model is imported into a circuit/control simulator, voltag…
[JAC161] Line Start Analysis of a Three-phase Induction Machine
This Application Note presents an analysis that simulates the line start of an induction motor and obtains the starting performance of its rotation speed variations.
[JAC154] Calculation of Equivalent Circuit Parameters in a Three-Phase Induction Motor
This Application Note explains how to obtain the secondary resistance, leakage inductance, and excitation inductance of an induction motor when its power supply frequency has been…