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[LTR44] 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 flux leakage from the winding works on…

[WTR15] Loss Evaluation of a Transformer Shield Based on the Homogenization Method
In this paper, each electromagnetic steel sheet of the shield is not modeled; by applying the homogenization method which replaces magnetically and electrically equivalent materia…

[WSE72] Reduction of Time Steps by Using Time Periodic Explicit Error Correction Method
In electrical equipment design, Computer Aided Engineering (CAE) software is used to make the best possible products within allowable timelines.

[WSE53] Transition to Steady State in a Short Time
In the following, it is shown that the steady state analysis results can be obtained with less number of time steps by using the TPEEC method.

[WHU71] Notes on Performance Evaluation and Hardware Selection of JMAG Parallel Solver
This document can be thought of as pointers and precautions for hardware selection and software operation.

Analysis of Winding Losses of Shunt Reactor using “Zooming Analysis”
Yasuhisa Ito, MEIDENSHA CORPORATION

3D Magnetic Field Analysis of Large Power Transformer with Parallel Calculation Processing
Hirokazu Hayashida, Fuji Electric Co.,Ltd.

254 – Vibration Analysis of OilImmersed Large Transformer
This document introduces a case example of evaluating the vibrations of a large transformer. Parts that are usually the source of vibrations are the core, tank, and windings, but …

235 – Reactor Core Stray Loss Analysis
In this example, reactor core stray loss is described.

203 – NoLoad Test Analysis of Power Transformer
This example focuses on modeling in the analysis of noload tests in JMAG and obtains the iron loss distribution, current, excitation conductance, and excitation susceptance that …

221 – Confirmation of the Influence in the Reduction of HighFrequency Resistance of a Magnetically Plated Wire Choke Coil
In this example, high frequency resistance values are obtained from choke coil copper loss analysis results using JMAG’s layer coating mesh function, and the effectiveness of redu…

202 – Core Stray Loss Analysis of Power Transformer
OverviewStray loss is mainly caused by leakage flux from winding, but structures closer to the winding will tend to be affected easier by leakage flux. The ratio of stray loss rel…

238 – Hysteresis Loss Analysis in a Reactor with DC Bias
In this example, we will observe the difference between the hysteresis losses calculation method loop count and the play model for the model that is subjected to a DC bias filed o…

232 – Reactor Joule Loss Analysis
In this example, investigating Joule loss with respect to the positions of air gaps in a reactor is presented.

206 – Temperature Analysis of an OilImmersed Transformer Using a Coupled Magnetic Field and Thermal Fluid Analysis
OverviewLarge power transformers are used to transform high voltage power generated at a power station into power that can be transmitted. For the structure of the transformer, oi…

204 – Copper Loss Reduction Effect Analysis of Switching Transformers using Litz Wire
OverviewFlyback converters are used for various applications such as power supply circuits, which is suitable for small electrical power that realizes switching power supply. Sinc…