Magnetic Field
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[JAC176] Drive Characteristic Analysis of a Three-Phase Induction Motor
This Application Note explains how to confirm drive characteristics such as torque, loss, and efficiency in an induction motor when its rotation speed changes.
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[W-MO-23] Measurement of PM Motor Vibration/Noise and Analysis Modeling
While miniaturization and efficiency optimization are always in demand in motor development, demand is also increasing for the reduction of vibration and noise in recent years. As…
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[W-MA-21] Iron Loss Analysis of an SR Motor Accounting for Hysteresis and Eddy Current Distribution
We used a new method which can evaluate iron loss in high accuracy even with magnetic density wave form for SR motors, and gained positive results when comparing with actual measu…
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[W-MA-46] Calculation Method of Eddy Current Loss of Electromagnetic Steel Sheet Using a 1D Finite Element Method
When calculating the eddy current loss in magnetic steel, conventionally, a Fourier transform is taken of the magnetic flux density derived from analysis and compared with actual …
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[W-MA-51] Understanding Electromagnetic Phenomena in Steel Sheets Through Simulation
In the following, detailed physical phenomena in steel sheets can be acquired by simulation through the confirmation of analysis results in JMAG’s latest analysis function of the …
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[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…
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[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…
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[JAC074] Speed Versus Torque Analysis of a Single-Phase Induction Motor
This Application Note explains how to obtain the current density distribution and Speed-Torque curve created by auxiliary winding that uses a capacitor.
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[JAC116] Operating Time Analysis of an Injector by Evaluating the Reduction in Eddy Currents
This Application Note explains how to apply direct current voltage to a solenoid injector and obtain its response characteristics by accounting for effects from eddy currents. The…
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[JAC077] Inductance Analysis of an RFID Tag
This Application Note performs a magnetic field analysis of an RFID tag that has a metallic film and a magnetic sheet with a resonance frequency of 13.56 MHz, and obtains the magn…
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[JAC075] Iron Loss Analysis of a Reactor
This Application Note analyzes the iron loss of a reactor.
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[JAC084] Electromagnetic Forming Analysis of a Tube
This Application Note explains how to obtain the Lorentz force density distribution generated in a tube when current is run through a coil.
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[JAC143] Inductance Analysis of an Air Core Coil
This analysis shows how to obtain an air core coil’s inductance through analysis and compare it with theoretical values.
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[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.
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[JAC133] Thermal Analysis of a Three-phase Transformer
This Application Note presents an example of how to confirm a temperature distribution using the iron and copper losses of a three-phase transformer as heat sources.
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[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.
