配电变压器用非晶合金的研究进展及应用前景

Research Progress and Application Prospect of Amorphous Alloys for Distribution Transformer

内部原子呈长程无序排列的铁基非晶合金具有低矫顽力、低损耗、高磁导率等优异的软磁性能,现已广泛应用于平面铁心及立体卷铁心制造。综述了节能配电变压器用新型铁基非晶合金材料的研究进展,对比分析了国内外1K101典型牌号非晶合金与0.18 mm厚度规格18QH065牌号极低铁损取向硅钢材料的磁性能及磁致伸缩特性。结合非晶合金铁心变压器在农网运行过程中体现的安全性、经济性及环保性特征,讨论了非晶合金配电变压器面临的挑战及发展方向。

The iron base amorphous alloy with long-range disordered arrangement has excellent soft magnetic properties,such as low coercive force,low core loss,high permeability and so on.It has been widely used in the manufacture of plane iron core and triangular volume core.The research progress of amorphous alloy materials used in distribution transformers was reviewed.The electromagnetic properties of 1K101 typical amorphous alloy and 18QH065 grain-oriented silicon steel were analyzed.Considering the characteristics of safety,economy and environmental protection of amorphous alloy transformers operated in rural power grid,the challenges and development directions of amorphous alloy distribution transformers were discussed.