电力电子中高频软磁材料的研究进展

随着电力电子行业的飞速发展,新型电磁材料的投入使用,对电子元器件的高频磁性能提出了新的要求。磁芯作为电子元器件的核心部件,其发展程度直接决定电子元器件的性能,这就要求具有优异高频软磁性能的材料发展。本文综述了四种软磁材料的发展历程,对每种软磁材料的优缺点进行了归纳总结,同时指出了未来的发展方向,并重点对近年来研究热门的软磁复合材料进行了梳理。粒径大小可控、包覆层对核层的包覆均匀程度以及从实验室走向产业化的大批量制备方法是未来高频软磁复合材料的发展趋势。

Development of High-frequency Soft Magnetic Materials for Power Electronics

The new requirements of high-frequency magnetic properties are put forward for electronic components with the rapid development of power electronics industry and the use of new electromagnetic materials.The properties of magnetic core,which is the key unit of electronic components,determine the performance of electronic components directly.Therefore,it's necessary to study the high-frequency soft magnetic materials.In this paper,the development history of four types of soft magnetic materials was reviewed.The advantages and disadvantages of each kind of soft magnetic materials and future development trends were pointed out.The emphases were placed on the popular soft magnetic composite materials in recent years.The tendency is to develop high-frequency soft magnetic composite materials with the particle size controllable,uniform coating layer on the core and a mass production method from laboratory to industrialization.