Equivalent stator slot model of temperature field for high torque-density permanent magnet synchronous in-wheel motor

Author

Peixin Liang ; Yulong Pei ; Feng Chai ; Shukang Cheng

Author_Institution

Dept. of Electr. Eng., Harbin Inst. of Technol., Harbin, China

fYear

2014

fDate

22-25 Oct. 2014

Firstpage

3457

Lastpage

3462

Abstract

This paper mainly investigates the equivalent stator slot model used in temperature field of high torque-density permanent magnet synchronous in-wheel motor. Analytical model of winding temperature shows that the conventional equivalent stator slot model has two drawbacks which increase the calculation error, especially for high torque-density motor. Based on the law of heat transfer in stator slot, a new layered winding model is put forward in this paper. The model is applicable to not only steady-state temperature field but also transient temperature field. The accuracy of this new method has been verified experimentally.

Keywords

heat transfer; permanent magnet motors; stators; synchronous motors; analytical model; equivalent stator slot model; heat transfer; high torque-density permanent magnet synchronous in-wheel motor; layered winding model; steady-state temperature field; transient temperature field; winding temperature; Insulation; Stator windings; Temperature distribution; Temperature measurement; Windings; Wires;

fLanguage

English

Publisher

ieee

Conference_Titel

Electrical Machines and Systems (ICEMS), 2014 17th International Conference on

Conference_Location

Hangzhou

Type

conf

DOI

10.1109/ICEMS.2014.7014088

Filename

7014088