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首页> 外文会议>International Conference on Power Electronics and ECCE Asia >Magnetic Design Method for Multi-Material Powder Core Inductor to Improve Efficiency of Bidirectional DC/DC Converter within Wide Load Range
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Magnetic Design Method for Multi-Material Powder Core Inductor to Improve Efficiency of Bidirectional DC/DC Converter within Wide Load Range

机译：多材料压粉铁芯电感的磁设计方法，以提高宽负载范围内双向DC / DC转换器的效率

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摘要

Utilizing powder cores in many power electronics applications have been gaining much attention due to their attractive magnetic properties. However, it is quite challenging for the circuit designer to choose the proper core, as there are many kinds of magnetic powder cores available in the market. Therefore, due to the limitation of a single magnetic material property, it is often difficult to realize high power conversion efficiency within wide load ranges, including light and heavy load conditions. This paper proposes a novel design method of the multi-material inductor which combines multiple powder cores having different material properties. The aim of this work is to provide improved efficiency over the entire load range of power converters. The experimental results have proven that the inductor with multi-material powder cores can improve the efficiency over wide load range. The validity and effectiveness of the proposed magnetic design method are confirmed from theoretical analysis, simulation and experimental tests.
机译：由于其吸引人的磁性，在许多电力电子应用中使用压粉磁芯已引起了广泛的关注。但是，由于市场上有很多磁粉芯可供选择，因此对于电路设计人员而言，选择合适的磁芯是一项巨大的挑战。因此，由于单一磁性材料特性的限制，通常难以在包括轻负载和重负载条件的宽负载范围内实现高功率转换效率。本文提出了一种新型的多材料电感器设计方法，该方法将具有不同材料特性的多个压粉磁芯组合在一起。这项工作的目的是在功率转换器的整个负载范围内提高效率。实验结果证明，具有多种材料压粉磁芯的电感器可以在较宽的负载范围内提高效率。理论分析，仿真和实验验证了所提出的磁性设计方法的有效性和有效性。

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