Numerical Analysis Method of 2-D Dynamic Characteristics of Magnetic Field in Squirrel Cage Induction Motor Considering End-ring

농형회전자의 엔드링(End-ring)을 고려한 유도전동기 자계의 2차원적 동특성 수치해석 방법

This paper presents and analysis method for designing a squirrel cage induction motor, which is aimed at analyzing the dynamic characteristics of magnetic field. This scheme is capable of estimating the effects of slot harmonics due to the rotation of rotor by utilizing Macro-airgap element combination, Voltage source treatment and Time difference algorithm. Furthermore, this strategy presents and approach which effectively compensates for end-ring of rotor. And direct convergence method is applied for considering a magnetic nonlinearity in core. In addition to the precision and the convergence study of algorithm, comparisons with experimental values prove the accuracy of this analysis method.