高频平面变压器温度分布的计算方法

C. Buccella, Carlo Cecati, F. de Monte
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引用次数: 3

摘要

在高频平面变压器和电感器中,传统导线已被印刷电路板或层压铜绕组所取代。该技术在成本,尺寸和性能方面优于传统的线绕变压器。然而,为了获得高效率和高功率/尺寸比,它们的设计需要了解内部温度分布。为此,本文提出了一种二维数值计算方法,用于综合计算平面变压器和电感器的温度分布和电磁特性。在详细描述了所提出的方法之后,本文报告、比较和分析了计算结果和测量结果,证明了所提出方法的预测能力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A computational method of temperature distribution in high frequency planar transformers
In high frequency planar transformers and inductors, conventional wires have been replaced by printed circuit boards or laminated copper windings. This technology can outperform traditional wire-wound transformers in terms of cost, dimensions and performance. However, in order to obtain high efficiency and high power/size ratio, their design requires the knowledge of the internal temperature distribution. For such a reason, this paper proposes a two-dimensional numerical method for a combined computation of both the temperature distribution and the electromagnetic behaviour of planar transformers and inductors. After a detailed description of the proposed methodology, this paper reports, compares and analyzes calculated and measured results demonstrating prediction capabilities of the proposed method.
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