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首页> 外文期刊>IEEE Transactions on Magnetics >Cauer Ladder Network Representation of a Nonlinear Eddy-Current Field Using a First-Order Approximation
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Cauer Ladder Network Representation of a Nonlinear Eddy-Current Field Using a First-Order Approximation

机译:使用一阶近似的Cauer梯形图网络表示非线性涡流场

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摘要

An approximation approach is proposed for the analysis of nonlinear quasi-static eddy currents adopting a Cauer ladder network (CLN). When there are nonlinear magnetic materials in the analysis domain, the electric and magnetic modes and their corresponding values for resistors and inductors in the CLN may vary according to the level of saturation in the core. Considering the effects of the modes and their magnitudes on the saturation imposes a heavy computational burden, which brings the efficiency of the CLN method into question. This article studies a first-order approximation of the nonlinear CLN method to keep the nonlinearization procedure computationally effective, simple, and accurate. Numerical tests are carried out for a 2-D nonlinear inductor excited with rectangular and sinusoidal excitations to show the accuracy of the proposed nonlinear resolution method.
机译:提出了一种近似方法,用于分析采用Cauer梯形网络(CLN)的非线性准静态涡流。当分析域中存在非线性磁性材料时,电阻和电阻器和电感器的电阻和电感器的相应值可以根据核心中的饱和水平而变化。考虑到模式的效果及其在饱和度上的效果施加了重大计算负担,这带来了CLN方法的效率。本文研究了非线性CLN方法的一阶近似,以保持非线性化过程计算有效,简单,准确。用矩形和正弦激发激发的2-D非线性电感器进行数值测试,以显示所提出的非线性分辨率方法的精度。

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