A novel inductor type high-torque motor with rare-earth magnet

Author

Iwabuchi, Noriaki ; Kawahara, Atushi ; Kume, Tsuneo ; Kabashima, Takefumi ; Nagaska, N.

Author_Institution

Yaskawa Electric Corp., Kitakyushu, Japan

fYear

1991

fDate

Sept. 28 1991-Oct. 4 1991

Firstpage

115

Abstract

A concept of an electromagnetic structure which exploits the excellent characteristics of a rare-earth magnet is proposed. Thin rare-earth metal magnet pieces are mounted on the surface of the stator teeth which face the airgap. The rotor is an inductor type. This type of motor is suitable for low-speed, high-torque applications by the action of inductor teeth. The relationship between the performance and electromagnetic geometry is investigated through the finite element method (FEM) analysis and experiments. The principle of torque generation and the associated characteristics are introduced.<>

Keywords

finite element analysis; inductors; rotors; stators; torque motors; FEM; airgap; electromagnetic geometry; electromagnetic structure; finite element method; high-torque motor; inductor teeth; inductor type rotor; low-speed; rare-earth magnet; stator teeth; Electromagnetic analysis; Finite element methods; Geometry; Induction motors; Inductors; Performance analysis; Rotors; Stators; Teeth; Torque;

fLanguage

English

Publisher

ieee

Conference_Titel

Industry Applications Society Annual Meeting, 1991., Conference Record of the 1991 IEEE

Conference_Location

Dearborn, MI, USA

Print_ISBN

0-7803-0453-5

Type

conf

DOI

10.1109/IAS.1991.178141

Filename

178141