Method for Modeling Time-Dependent Nonuniform Rotor/Stator Configurations in Electrical Machines

被引：20
|
作者：
Lundin, Urban [1 ]
Wolfbrandt, Arne [1 ]
机构：
[1] Uppsala Univ, Dept Technol, Div Elect, SE-75121 Uppsala, Sweden
来源：
IEEE TRANSACTIONS ON MAGNETICS | 2009年 / 45卷 / 07期
关键词：
Eccentricity; finite-element method (FEM); irregularities; unbalanced magnetic pull (UMP); UNBALANCED MAGNETIC PULL; INDUCTION-MOTORS; ECCENTRIC-ROTOR; FORCES;
D O I：
10.1109/TMAG.2009.2015052
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：
Nonuniform air gaps in electrical machines cause problems with forces and noise. There are a number of analytical and numerical methods to calculate the response due to nonuniform air gaps. In this paper, we present an efficient method based on an effective air gap permeability. Our unified method enables all nonuniform rotor-stator configurations to be simulated. We provide some results from simulations of static and dynamic eccentricity as well as irregularity.
引用
收藏
页码：2976 / 2980
页数：5
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