Modelling and analysis of the effects of cutting of core laminations in electric machines

被引：12
作者：
Alatawneh, Natheer [1 ]
Saleem, Aroba [1 ]
Rahman, Tanvir [2 ]
Lowther, David A. [2 ]
Chromik, Richard [1 ]
机构：
[1] McGill Univ, Dept Min & Mat Engn, Montreal, PQ, Canada
[2] McGill Univ, Dept Elect & Comp Engn, Montreal, PQ, Canada
来源：
IET ELECTRIC POWER APPLICATIONS | 2020年 / 14卷 / 12期
基金：
加拿大自然科学与工程研究理事会;
关键词：
permanent magnets; cutting; electric machines; finite element analysis; laminates; permanent magnet motors; synchronous motors; iron alloys; core laminations; electrical machine performances; material properties; cutting lack accuracy; computation efficiency; finite element software; magnetic properties; electrical steel; multislice technique; FE permanent magnet synchronous motor model; MAGNETIC-FLUX DISTRIBUTION; IRON LOSS; CUT EDGE; STRESS; STEELS;
D O I：
10.1049/iet-epa.2020.0218
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Experimental measurements of electrical machine performances reveal a significant difference between simulations and measurements. It is known that the manufacturing processes of machines, particularly, the cutting of core laminations adversely affects material properties. The current techniques for considering the effects of cutting lack accuracy, computation efficiency and applicability for finite element (FE) software. This study proposes a method to model the variation in the magnetic properties of electrical steel due to cutting based on a non-equal multi-slice technique. In this work, the method has been validated and implemented on a FE permanent magnet synchronous motor model. Also, the proposed method has been compared with the single-layer method.
引用
收藏
页码：2355 / 2361
页数：7
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