Design of Rotor Bar Inclination in Squirrel Cage Induction Motor

被引：9
|
作者：
Heo, Chang Geun [1 ]
Kim, Hui Min [1 ]
Park, Gwan Soo [1 ]
机构：
[1] Pusan Natl Univ, Dept Elect & Comp Engn, Busan 46241, South Korea
来源：
IEEE TRANSACTIONS ON MAGNETICS | 2017年 / 53卷 / 11期
基金：
新加坡国家研究基金会;
关键词：
Finite element analysis (FEA); improving simultaneously of starting and operating characteristics; induction motors; rotor bar inclination; SLOT;
D O I：
10.1109/TMAG.2017.2696977
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 shape of rotor bar is important in squirrel cage induction motor (SCIM) performance, such as starting torque, operating torque, and operating efficiency. Some designs of increasing starting torque of motor may decrease motor efficiency. Moreover, some designed shapes of bar are so complicated to be manufactured. In this paper, the design is focused on the simple inclination of conventional shape of bar with keeping the rotor bar area constant. The effects of rotor bar inclination on starting torque, operating torque, and operating efficiency in SCIM are analyzed. The results showed that there is optimum inclination of rotor bar to improve all the performances together. An application to the 3.4 kW SCIM showed that the starting torque is increased from 17.53 to 17.64 N.m, the operating torque from 11.19 to 11.26 N.m, and the operating efficiency from 94.18% to 94.81%.
引用
收藏
页数：4
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