期刊
ISA TRANSACTIONS
卷 103, 期 -, 页码 355-365出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.isatra.2020.03.013
关键词
End-effect; Finite-Element-Method (FEM); Ladder-Secondary-Linear Induction; Machine (LS-LIM); Magnetic Equivalent Circuit (MEC)
This paper proposes a Magnetic Equivalent Circuit (MEC) method to model the Ladder-SecondaryLinear Induction Machines (LS-LIMs), where the model accuracy can be determined as desired. This method makes it much easier to change parameters of motor include poles and slots number as well as its dimension than the Finite Element Method (FEM). The end-effect phenomenon is considered in the model by two virtual zones with arbitrary length at the both exit and entrance ends of the primary for saturable LS-LIMs. The proposed MEC method also makes it possible to investigate the motor performance under different secondary structures (two types), bars material and their width. Finally, FEM and experimental results are given to evaluate the accuracy of the proposed method, and simulation time is compared with 2D-FEM. In a general overview, modeling the end-effect and saturation phenomena, analyzing the impacts of different secondary structures and bars width on the performance of motor are studied by the suggested MEC method in the present work. (C) 2020 ISA. Published by Elsevier Ltd. All rights reserved.
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