JMAG-Designer
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[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…
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[JAC060] Superimposed Direct Current Characteristic Analysis of a Reactor
This Application Note explains a case example that obtains the superimposed direct current characteristics of a high-frequency reactor when the gap width is changed.
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Tamagawa Seiki Co., Ltd.
“Developing technology and selling technology”, based on this corporate philosophy, Tamagawa Seiki has grown with firm roots in the local community of its offices and production c…
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[W-OP-165] Solving Geometry Conflicts in GA Optimizations with Large Numbers of Geometric Parameters
Genetic Algorithm (GA) based optimization with finite element analysis is expected to become a solution for high performance motor designs which need to satisfy many strict requir…
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[JFT083] Automating the Multi-Purpose File Export Tool with Command Lines
This document describes the method for automating the multi-purpose file export tool.
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[JAC289] Efficiency Map Creation for Wound-Field Synchronous Motors
In this example, efficiency maps for a wound-field synchronous motor are created to check the combinations of currents that result in maximum efficiency. In addition, the loss bre…
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[JAC207] Transfer Torque and Efficiency Analysis of Magnetic Gear
In this example, the transfer torque and transfer efficiency are obtained with magnetic field analysis for the flux modulated type magnetic gear using permanent magnets for the in…
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[JFT186] Automatic Winding Scheme Selection
This document describes this unique feature and the procedures to switch between several automatic winding schemes available in JMAG.
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[JAC139] Power Transmission Analysis Using Magnetic Resonance Phenomena
This Application Note presents how to confirm the power transmission efficiency and the magnetic flux density distribution.
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[JFT187] Direct Coupled Magnetic Field and Structural Analysis Accounting for Changes Over Time
This document describes the procedures to run a direct two-way coupled magnetic field and structural analysis that takes into account the changes over time.
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[L-TR-44] Winding Vibration Analysis of a Power Transformer
Winding vibration originating from a transformer is a vibration phenomenon that uses Lorentz force as the vibration force, which occurs when leakage flux from the winding acts on …
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[L-SE-59] Detailed Modeling for Harmonic Loss Analysis
In IPM motors driven by PWM inverters, eddy current losses occur due to carrier higher harmonics. For higher efficiency, it is important to evaluate higher harmonic loss at design…