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首页> 外文期刊>Magnetics, IEEE Transactions on >Differential Evolution Based Parameter Identification of Static and Dynamic J-A Models and Its Application to Inrush Current Study in Power Converters
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Differential Evolution Based Parameter Identification of Static and Dynamic J-A Models and Its Application to Inrush Current Study in Power Converters

机译:基于差分进化的静态和动态J-A模型参数辨识及其在功率变换器涌流研究中的应用

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摘要

The Jiles-Atherton (J-A) model is very suitable for modeling ferrite-core based inductors and transformers. In this paper the differential evolution (DE) method was applied to extract five parameters in static J-A model first. Then it was applied to extract another two parameters in dynamic J-A model with five parameters in static J-A model as inputs. It is found that extracting five parameters in static J-A model is relatively easy but extracting another two parameters in dynamic J-A model needs extra effort, especially specifying their ranges. After obtaining all seven parameters, we applied dynamic J-A model to predict the current behavior of a practical switching circuit and successfully obtained the inrush current phenomenon as experimentally observed and reported in literature. We conclude that application of DE method to extract seven parameters in dynamic J-A model for ferrite is feasible.
机译:Jiles-Atherton(J-A)模型非常适合于建模基于铁氧体磁芯的电感器和变压器。本文首先采用差分进化法(DE)提取静态J-A模型中的五个参数。然后将其用于提取动态J-A模型中的另外两个参数,其中静态J-A模型中的五个参数作为输入。发现在静态J-A模型中提取五个参数相对容易,但是在动态J-A模型中提取另外两个参数需要额外的精力,尤其是指定它们的范围。在获得所有七个参数后,我们应用动态J-A模型来预测实际开关电路的电流行为,并成功获得了实验观察和文献报道的浪涌电流现象。我们得出结论,在铁素体动态J-A模型中应用DE方法提取七个参数是可行的。

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