Influence of unbalanced magnetic force on shaft deflection in permanent magnet synchronous motor with fractional slot concentrated windings

被引：1
|
作者：
Dong, Ting [1 ]
Huang, Juyan [1 ]
Peng, Bing [1 ]
Jian, Ling [1 ]
机构：
[1] Shenyang Univ Technol, Sch Elect Engn, Shenyang, Peoples R China
来源：
INTERNATIONAL JOURNAL OF APPLIED ELECTROMAGNETICS AND MECHANICS | 2020年 / 64卷 / 1-4期
基金：
中国国家自然科学基金;
关键词：
Unbalanced magnetic force (UMF); permanent magnet synchronous motor (PMSM); fractional slot concentrated winding (FSCW); pole-slot combinations; deflection calculation; POLE;
D O I：
10.3233/JAE-209466
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：
The calculation accuracy of unbalanced magnetic forces (UMF) is very important to the design of rotor length, because it will effect the shaft deflection. But in some permanent magnet synchronous motors (PMSMs) with fractional slot concentrated windings (FSCW), the UMF caused by asymmetrical stator topology structure is not considered in the existing deflection calculation, which is very fatal for the operational reliability, especially for the PMSMs with the large length-diameter ratio, such as submersible PMSMs. Therefore, the part of UMF in the asymmetrical stator topology structure PMSMs caused by the choice of pole-slot combinations is analysized in this paper, and a more accurate rotor deflection calculation method is also proposed.
引用
收藏
页码：1461 / 1468
页数：8
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