Design considerations of winding for low-voltage high-speed permanent magnet motor

Subtitle:

Article type: Research Article

Authors: Liu, Xiquan^* | Fang, Jiancheng | Zheng, Shiqiang

Affiliations: Science and Technology on Inertial Laboratory, Fundamental Science on Novel Inertial Instrument and Navigation System Technology Laboratory, School of Instrument Science and Opto-electronics Engineering, Beihang University, Beijing, China

Correspondence: [*] Corresponding author: Xiquan Liu, Beihang University, No. 37 Xueyuan Road, Haidian District, Beijing 100191, China. Tel.: +86 18910600597; Fax: +86 10 82338701; E-mail: [email protected]

Abstract: The electrical frequency of high speed permanent magnet motor leads to pronounced parasitic effects, such as skin, proximity and circulating current effects. The parasitic effects result in uneven distribution of currents and the increase of the ac resistance of the winding. Ac resistance is proportional to the winding loss and the ratio of ac resistance of winding to dc resistance of winding is used to characterize the winding loss. The parameters of winding, as well as the parameters of slot dimensions of stator, will affect the degree of parasitic effects. The influences of some design parameters are analyzed in this paper.

Keywords: Winding loss, high speed permanent magnet motor, low voltage, high frequency, parasitic effects

DOI: 10.3233/JAE-140189

Journal: International Journal of Applied Electromagnetics and Mechanics, vol. 48, no. 1, pp. 59-67, 2015