Transformer / Reactor
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[JAC206] Temperature Analysis of an Oil-Immersed Transformer Using a Coupled Magnetic Field and Thermal Fluid Analysis
This document introduces, examples and steps will be shown to obtain heat distribution in a magnetic field analysis for a forced circulation type oil-immersed transformer, map the…
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[JAC232] Reactor Joule Loss Analysis
In this example, investigating Joule loss with respect to the positions of air gaps in a reactor is presented.
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[JAC238] 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…
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[JAC202] Core Stray Loss Analysis of Power Transformer
This document introduces runs analysis by modeling the short-circuit test that is conducted when evaluating stray loss and obtains stray loss distribution in the core close to the…
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[JAC221] Confirmation of the Influence from the Reduction of High-Frequency 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…
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3D Magnetic Field Analysis of Large Power Transformer with Parallel Calculation Processing
Hirokazu Hayashida, Fuji Electric Co.,Ltd.
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Analysis of Winding Losses of Shunt Reactor using “Zooming Analysis”
Yasuhisa Ito, MEIDENSHA CORPORATION
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[W-HU-71] 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.
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[W-SE-53] 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 TP-EEC method.
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[W-TR-15] 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…
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[W-SE-72] 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.
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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 flux leakage from the winding works on…
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[JAC254] Vibration Analysis of a Large Oil-Filled Transformer
In this example, evaluating vibration caused by electromagnetic excitation in a large transformer. Since large transformers are oil-cooled, in this example the oil, which is the f…
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[JAC151] Insulation Evaluation Analysis of a Power Transformer
In this example, how to obtain the electric field intensity distribution when a lightning strike or short circuit occurs and the assumed maximum voltage is applied to the winding.
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Calculation of Iron Loss of Variable Inductor for Electric Power Control
Yoichi Sekiba, Denryoku Computing Center, Ltd.
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Improvement of Convergence in 3D Magnetic Field Analysis of Large Power Transformer
Yasuhisa Ito, MEIDENSHA CORPORATION
