摘要
取向硅钢片磁致伸缩是变压器噪音来源的主要因素,本文研究了取向硅钢片硅酸镁底层和磷酸盐涂层对磁致伸缩的影响.结果表明:取向硅钢表面的硅酸镁底层和磷酸盐涂层可降低取向硅钢的磁致伸缩;增加绝缘涂层的厚度可减少杂畴和90°畴,改善取向硅钢的噪音性能.
The main source for the transformer noise is magnetostriction of grain-oriented silicon steel.In this paper,the effects of magnesium coating and phosphate coating on magnetostriction of grain-oriented silicon steel have been studied.The results showed that magnesium coating and phosphate coating could reduce the magnetostriction of grain-oriented silicon steel.Increasing the thickness of coating could decrease the hetero domain and 90 degree domain,and improve the noise characteristics of the oriented silicon steel.
作者
程祥威
谢文亮
杨朝
朱业超
CHENG Xiangwei;XIE Wenliang;YANG Chao;ZhU Yechao(National Engineering Research Center for Silicon Steel,wuhan 430080,China;Silicon steel Department,Wuhan Iron and steel Co.,Ltd 430083,China)
出处
《电工钢》
2019年第2期29-32,共4页
ELECTRICAL STEEL
关键词
取向硅钢
磁致伸缩
涂层
变压器噪音
grain-oriented silicon
magnetostriction
coating
transformer noise
