铁心旋转损耗模型改进与局部损耗测试  

Improvement on Rotational Loss Model and Measurement of Local Loss in the Iron Core

作　　者：迟青光[1,2] 张艳丽 任亚军[1] 张殿海 谢德馨[1] Chi Qingguang;Zhang Yanli;Ren Yajun;Zhang Dianhai;Xie Dexin(School of Electrical Engineering Shenyang University of Technology Shenyang 110870,China;CRRC Dalian Co.Ltd Dalian 116300,China)

机构地区：[1]沈阳工业大学电气工程学院,沈阳110870 [2]中车大连机车车辆有限公司,大连116300

出　　处：《电工技术学报》2018年第17期3951-3957,共7页Transactions of China Electrotechnical Society

基　　金：国家自然科学基金资助项目(51777128)

摘　　要：电机定子轭部及齿根部存在大量的椭圆形旋转磁通,其产生的旋转损耗大于交变损耗,因此旋转损耗的准确计算是电机优化设计的前提和基础。该文基于德国RPT型二维旋转磁特性测量系统,测量并分析了无取向电工钢片旋转损耗特性。在研究传统Bertotti损耗三项式模型和斯坦梅兹方程计算铁耗方法的基础上,提出考虑椭圆形旋转磁化下铁心损耗改进模型,并用自制的B-H矢量传感器对一台感应电机定子铁心模型的局部损耗进行实验测试,验证了改进模型的有效性。There is plenty of elliptical magnetic flux density(B)in the yoke and tooth roots of the induction motor stator,the rotational losses are greater than alternating ones,and therefore,the accurate calculation of rotation loss is the premise and foundation of the optimum design of the motor.Based on the 2D rotational magnetic properties measurement system,RPT,Brockhaus in Germany,the rotational loss in the non-oriented electrical steel sheet was measured and analyzed in this paper.By studying the traditional Bertotti’s model and Steinmetz equation,this paper put forward the improved models of core loss estimation for elliptic B locus.In order to verify the validity of the proposed model,a B-H vector sensor was set up to test the local losses in an induction motor stator core.

关 键 词：旋转损耗 斯坦梅兹方程 B-H 矢量传感器 旋转磁特性 

分 类 号：TM153[电气工程—电工理论与新技术]