End Effect Equivalence in the 2-D Finite Element Analysis of a Line-Start Permanent Magnet Synchronous Motor with Hybrid Solid Rotor

Bo Yan, Xianglin Li (), Yue Sun and Yingjie Tan
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Bo Yan: College of Electrical Engineering, Qingdao University, Qingdao 266071, China
Xianglin Li: College of Electrical Engineering, Qingdao University, Qingdao 266071, China
Yue Sun: College of Electrical Engineering, Qingdao University, Qingdao 266071, China
Yingjie Tan: College of Electrical Engineering, Qingdao University, Qingdao 266071, China

Energies, 2023, vol. 16, issue 19, 1-15

Abstract: Reasonable end effect equivalence is of vital importance in the 2-D finite element analysis (FEA) for a line-start permanent magnet synchronous motor (LSPMSM) equipped with a hybrid solid rotor for improved starting and synchronous capabilities. In this work, a series of correction factors are applied to the rotor conductivity to include the end effect in the 2-D FEA model. Derivation of these correction factors completes after the separation of different torque components. A dynamic motor model of the LSPMSM is established with some parameters extracted from the 2-D FEA using the conductivity correction. Outcomes of this model exhibit good agreements with the 3-D FEA results, by which the introduced correction factors are validated to possess the acceptable precision and effectiveness.

Keywords: line-start permanent magnet synchronous motor (LSPMSM); hybrid solid rotor; rotor end effect; finite element analysis (FEA) (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
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