Analysis and design of an interior permanent magnet synchronous machine with double-layer PMs for electric vehicles based on multi-physics fields
ISSN: 0332-1649
Article publication date: 2 January 2018
Abstract
Purpose
This paper aims to present an interior permanent magnet synchronous machine (IPMSM) with double-layer PMs used for electric vehicles, of which the integrated simulation of electromagnetic field, stress field and temperature field are analyzed.
Design/methodology/approach
Some electromagnetic characteristics including iron loss, efficiency and flux linkage are obtained by finite element analysis. The mechanical strength of rotor at the maximum speed and the temperature rise at the rated load are calculated by three-dimensional finite element analysis (FEA).
Findings
The results show that the presented IPMSM can work with sufficient mechanical strength, machine temperature rise and high efficiency during field-weakening operation. The experiments were carried out to verify the FEA, and acceptable results can be achieved.
Originality/value
This paper proposed a novel IPMSM with the double-layer permanent magnets, which is designed and checked by the multi-physics fields, and the high efficiency in all operational regions can be achieved for this machine.
Keywords
Acknowledgements
This work was supported in part by National Natural Science Foundation of P. R. China (No. 51767009, 51267006), Plan Project of Jiangxi Province of P. R. China (No. 20151BBE50109, 20153BCB23012, GJJ160598) and The Program of Qingjiang Excellent Young Talents, JXUST.
Citation
Li, Y., Liu, X. and Liu, Z. (2018), "Analysis and design of an interior permanent magnet synchronous machine with double-layer PMs for electric vehicles based on multi-physics fields", COMPEL - The international journal for computation and mathematics in electrical and electronic engineering, Vol. 37 No. 1, pp. 118-135. https://doi.org/10.1108/COMPEL-09-2016-0425
Publisher
:Emerald Publishing Limited
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