AUTHOR : Su-Jin Lee, Ji-Min Kim, Dong-Kyun An, Jung-Pyo Hong
ORGANIZATION : INTERMAG EUROPE 2014
JOURNAL :
YEAR : 2014
VOL :
ISSUE :
PAGE : ~
The consideration of the saturation of the core is essential to the designing of the motor for automotive application, because the size limitations are large in the automotive electric motors, such as those equipped with electrical power steering (EPS). In the design of the squirrel cage induction motor, the equivalent circuit analysis using lumped parameters is often used for investigating the performance of the induction motor. The estimation of the motor characteristics is limited, however, because the standard equivalent circuit considering the space harmonics does not consider the core loss. To improve the reliability of the characteristic analysis, a new method that can solve these problems is required. Thus, the study of a new equivalent circuit that considers the saturation of the core and the harmonics of core loss is needed. Consequently, to obtain the reliable characteristics of the induction motor, this paper presents the modified space harmonic equivalent circuit that considers the harmonics of core loss resistance. The modified equivalent circuit is verified by comparing the analysis results of the suggested method and the experiment results of the test model.