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首页> 外文会议>International Conference on Electrical Machines and Systems >Core Loss Calculation of the Soft Ferrite Cores in High Frequency Transformer under Non-Sinusoidal Excitations
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Core Loss Calculation of the Soft Ferrite Cores in High Frequency Transformer under Non-Sinusoidal Excitations

机译：非正弦激励下高频变压器软铁氧体芯的核心损耗计算

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摘要

Soft ferrite materials are widely used in the construction of high frequency transformer for power electronic applications. Core loss calculation is essential both in the selection of soft ferrites and the design of high frequency transformer. Traditionally, the Steinmetz equation is used to evaluate the core loss of magnetic materials under sinusoidal excitation. Nevertheless, in modern power electronics, the real voltage shapes across magnetic materials are usually non-sinusoidal. Thus, many other methods has been proposed for core loss calculation. In this paper, these methods are first introduced and discussed. Then a test setup, mainly consisting of a full-bridge power module is built to conduct the core loss measurement. Calculated and experimental results on this test setup are illustrated and compared. In addition, a detailed description of the test setup is given.
机译：软铁氧体材料广泛用于电力电子应用的高频变压器的构造。核心损耗计算对于选择软铁氧体和高频变压器的设计是必不可少的。传统上，Steinmetz方程用于评估正弦激发下磁性材料的核心损失。然而，在现代电力电子设备中，磁性材料的实际电压形状通常是非正弦的。因此，已经提出了许多其他方法用于核心损耗计算。在本文中，首先介绍并讨论这些方法。然后建立一个测试设置，主要由全桥电源模块组成以进行核心损耗测量。说明并比较了该测试设置的计算和实验结果。另外，给出了测试设置的详细描述。

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