Calculation and measurement of unbalanced magnetic pull in cage induction motors with eccentric rotors .1. Analytical model

被引:142
作者
Smith, AC [1 ]
Dorrell, DG [1 ]
机构
[1] ROBERT GORDON UNIV,SCH ELECTR & ELECT ENGN,ABERDEEN AB9 1FR,SCOTLAND
来源
IEE PROCEEDINGS-ELECTRIC POWER APPLICATIONS | 1996年 / 143卷 / 03期
关键词
cage induction motors; rotor eccentricity; magnetic pull;
D O I
10.1049/ip-epa:19960155
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 paper describes an analytical model for cage induction motors with a static eccentric rotor. The method is based on an airgap permeance approach including stator and rotor MMF harmonics. The stator windings are resolved into harmonic conductor density distributions that allow different series/parallel winding connections to be accommodated in a straightforward manner, Sinusoidal and homopolar airgap field components are identified and the total airgap field distribution is used to determine the radial forces on the rotor. The model examines the principal harmonic that influence the unbalanced interactions magnetic pull.
引用
收藏
页码:193 / 201
页数:9
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