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首页> 外文期刊>IEEE Transactions on Magnetics >Analytical Modeling of a Gapless Ferromagnetic Core Reactor
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Analytical Modeling of a Gapless Ferromagnetic Core Reactor

机译：无间隙铁磁芯电抗器的解析模型

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摘要

This article discusses a novel type of power device, a gapless ferromagnetic core reactor, and its magnetic equivalent circuit (MEC). The developed MEC model is derived from the material and geometrical properties of the device. It is parameterized to take into account the variation in the characteristic design variable, the distance between two similar coils that constitute a winding along the same core leg. The MEC model is quite complex because of the use of more inclusive flux paths in calculating the individual reluctances, which is required to achieve the desired accuracy. Despite the increased complexity, the model can be reduced to a simple form using circuit transformations. The validation of the model is performed by comparing the calculated equivalent inductances of the device with the values obtained from a 3-D finite-element analysis model. The comparison confirms the validity of the developed model within a narrow tolerance. A generic expression for the inductance of the reactor in terms of the characteristic design variable is derived and verified using the developed MEC model.
机译：本文讨论了一种新型的功率设备，无间隙铁磁芯电抗器及其磁等效电路（MEC）。所开发的MEC模型是从设备的材料和几何特性得出的。它的参数设置要考虑到特征设计变量的变化，即构成同一根铁心臂的两个相似线圈之间的距离。 MEC模型非常复杂，因为在计算各个磁阻时需要使用更多的通量路径，这是实现所需精度所必需的。尽管增加了复杂性，但是可以使用电路转换将模型简化为简单形式。通过将计算出的器件等效电感与从3-D有限元分析模型获得的值进行比较，可以对模型进行验证。比较结果证实了所开发模型在狭窄公差内的有效性。使用已开发的MEC模型推导并验证了电抗器电感根据特性设计变量的通用表达式。

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