Modelling eddy currents and hysteresis in a transformer laminate

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作者：
Royal Inst of Technology, Stockholm, Sweden [1 ]
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来源：
IEEE Trans Magn | / 2 pt 2卷 / 1306-1309期
关键词：
Computer simulation - Computer software - Eddy currents - Magnetic cores - Magnetic hysteresis - Mathematical models - Transients;
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摘要：
A Cauer circuit model of a transformer laminate is presented. It considers saturation, eddy currents and hysteresis. The simulation results agree to experiments with an Epstein frame in the 10-200 Hz range. The paper includes a description of a computationally fast hysteresis model with few adjustable parameters and a physical approach to derive the Cauer circuit. The model can be used under various time-transient conditions and can easily be implemented into a larger system in a circuit simulation package, such as Saber, to study a transformers interaction with switching overvoltages, for example.
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