[JAC052] Inductance Analysis of a Sheet Coil Transformer

This Application Note explains how to obtain the self-inductance and leakage inductance of a sheet coil transformer.

• Applications: Transformer / Reactor
• Physical Phenomena: Magnetic Field

[JAC046] Sensitivity Analysis of the Magnetization Pattern of an SPM 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…

• Applications: Motor and SPM Motor
• Physical Phenomena: Magnetic Field

[JAC044] Resistance Heating Analysis of a Steel Sheet

This Application Note presents how to obtain the calculate current density distribution, Joule loss distribution and temperature distribution of steel sheet.

• Applications: Resistance Heating
• Physical Phenomena: Magnetic Field and Thermal
• Technical Themes: Multiphysics

[JAC109] Operating Time Analysis of an Electromagnetic Relay Accounting for Eddy Currents

This Application Note presents the use of the motion equation function to evaluate the operating time of an electromagnetic relay with DC voltage drive. Eddy currents generated in…

• Applications: Electromagnetic Relay
• Physical Phenomena: Magnetic Field

[JAC118] Thermal Analysis of a Bus Bar

This Application Note presents how to obtain the temperature distribution in a bus bar or the like with changes in the power supply frequency.

• Applications: Bus Bar
• Physical Phenomena: Magnetic Field and Thermal
• Technical Themes: Multiphysics

[JAC048] High-Frequency Induction Heating Analysis of a Printer Roller

This Application Note confirms the non-uniformity in temperature distribution produced by an assumed coil geometry, as well as the temperature elevation in each part caused by rot…

• Applications: Induction Heating
• Physical Phenomena: Magnetic Field and Thermal
• Technical Themes: Multiphysics

[JAC090] Analysis of the Effect of PWM on the Iron Loss of an IPM Motor

This Application Note demonstrates a case study where the effects of a carrier harmonic against an IPM motor’s iron loss is confirmed using estimated harmonic current waveform as …

• Applications: IPM Motor and Motor
• Physical Phenomena: Circuit / Control and Magnetic Field
• Technical Themes: MBD

[JAC095] Analysis of a Universal Motor

This note presents how the characteristics of a universal motor can be obtained, including torque versus current (T-I), torque versus speed (T-N), and magnetic flux density distri…

• Applications: Brush Motor / Universal Motor and Motor
• Physical Phenomena: Magnetic Field

[JAC043] Torque Analysis of a Coreless Motor

This Application Note presents an evaluation of the torque waveform of a coreless motor when current is running.

• Applications: Coreless Motor and Motor
• Physical Phenomena: Magnetic Field

Comparison between IPM and SPM based on Experiment and Analysis Result(Report of Harumi Project1)

Kan Akatsu,Katsuyuki Narita,Yoshuki Sakashita,Takashi Yamada, Tokyo University of Agriculture and Technology/JRI Solutions, Ltd.

• Applications: IPM Motor, Motor, and SPM Motor
• Physical Phenomena: Magnetic Field

Practice of JMAG by e-learning

Edmund Soji Otabe, Kyushu Institute of Technology

Using JMAG in a Laboratory

Kenji Nakamura, Tohoku University

Efficiency improvement of non-contact power supply systems

Hiroyasu Tomita, MURATA MACHINERY,LTD.

• Applications: Wireless Power Transfer
• Physical Phenomena: Magnetic Field

Analysis of Switching Transformers Using Common and Specialized JMAG Features

Hideo Matsumoto, Tabuchi Electric Co.,Ltd.

• Applications: Transformer / Reactor
• Physical Phenomena: Magnetic Field and Structural

Estimation of Inductance Variation in Small, Low Profile Transformers

Masahiro Shima,Shinji Ikeda, COSEL CO., LTD./Toyama National College of Technology

• Applications: Transformer / Reactor
• Physical Phenomena: Magnetic Field

Evaluation of eddy current characteristic for applied high frequency voltage to the giant magnetrostrictive material

Masayuki Sugasawa, Sony EMCS Corporation

• Physical Phenomena: Magnetic Field
• Technical Themes: Material Modeling / Loss Analysis