Comparison and analysis of BLDC motor with radial and polar anisotropic plastic magnet

Author

Jang, S.M. ; Choi, J.Y. ; You, D.J. ; Yang, H.S.

Author_Institution

Dept. of Electr. Eng., Chungnam Nat. Univ., Daejeon, South Korea

fYear

2005

fDate

4-8 April 2005

Firstpage

727

Lastpage

728

Abstract

This paper deals with the comparison and analysis of BLDC motor with radial and air/iron-cored polar plastic magnet, in terms of open-circuit field, back-emf, characteristics of flux density with design parameters and required magnet volume. In particular, magnetization modeling technique which is reasonable in polar coordinate system is presented to predict open-circuit field accurately and the results such as open-circuit field and back-emf are validated extensively by comparison with FE analyses.

Keywords

brushless DC motors; electric potential; ferrite devices; magnetic anisotropy; air-cored polar plastic magnet; brushless DC motors; flux density; iron-cored polar plastic magnet; magnet volume; magnetization modeling technique; open-circuit field; polar anisotropic plastic magnet; polar coordinate system; radial anisotropic plastic magnet; Anisotropic magnetoresistance; Brushless DC motors; Iron; Magnetic analysis; Magnetic anisotropy; Magnetic flux; Magnetization; Perpendicular magnetic anisotropy; Plastics; Predictive models;

fLanguage

English

Publisher

ieee

Conference_Titel

Magnetics Conference, 2005. INTERMAG Asia 2005. Digests of the IEEE International

Print_ISBN

0-7803-9009-1

Type

conf

DOI

10.1109/INTMAG.2005.1463792

Filename

1463792