Analysis of temperature field for a surface-mounted and interior permanent magnet synchronous motor adopting magnetic-thermal coupling method

Jikai Si, Suzhen Zhao, Haichao Feng, Yihua Hu, Wenping Cao

Research output: Contribution to journalArticle

Abstract

Aiming at obtaining high power density of surface-mounted and interior permanent magnet synchronous motor (SIPMSM), it is important to accurately calculate the temperature field distribution of SIPMSM, and a magnetic-thermal coupling method is proposed. The magnetic-thermal coupling mechanism is analyzed. The thermal network model and finite element model are built by this method, respectively. The effects of power frequency on iron losses and temperature fields are analyzed by the magnetic-thermal coupling finite element model under the condition of rated load, and the relationship between the load and temperature field is researched under the condition of the synchronous speed. In addition, the equivalent thermal network model is used to verify the magnetic-thermal coupling method. Then the temperatures of various nodes are obtained. The results show that there are advantages in both computational efficiency and accuracy for the proposed coupling method, which can be applied to other permanent magnet motors with complex structures.
Original languageEnglish
Pages (from-to)166-174
Journal CES Transactions on Electrical Machines and Systems
Volume2
Issue number1
DOIs
Publication statusPublished - 29 Mar 2018

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Synchronous motors
Permanent magnets
Temperature distribution
Computational efficiency
Hot Temperature
Iron

Bibliographical note

© 2018 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.

Funding: Natural Science Foundation of China (Item
number: 51777060, U1361109) and Natural Science Foundation of Henan
province (Item number: 162300410117) and the innovative research team
plan of Henan Polytechnic University (Item number: T2015-2).

Cite this

Si, Jikai ; Zhao, Suzhen ; Feng, Haichao ; Hu, Yihua ; Cao, Wenping. / Analysis of temperature field for a surface-mounted and interior permanent magnet synchronous motor adopting magnetic-thermal coupling method. In: CES Transactions on Electrical Machines and Systems. 2018 ; Vol. 2, No. 1. pp. 166-174.
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Analysis of temperature field for a surface-mounted and interior permanent magnet synchronous motor adopting magnetic-thermal coupling method. / Si, Jikai; Zhao, Suzhen; Feng, Haichao; Hu, Yihua; Cao, Wenping.

In: CES Transactions on Electrical Machines and Systems, Vol. 2, No. 1, 29.03.2018, p. 166-174.

Research output: Contribution to journalArticle

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