Dynamic characteristics analysis of magnetic bearing for high speed machine based on field-circuit coupling method

Author

Xing, Junqiang ; Wang, Fengxiang

Author_Institution

Sch. of Electr. Eng., Shenyang Univ. of Technol., Shenyang

fYear

2008

fDate

17-20 Oct. 2008

Firstpage

3002

Lastpage

3005

Abstract

Most dynamic characteristics analyses of magnetic bearing are based on the simplified mathematic model neglecting the non-linear electromagnetic relationship between the stator and rotor. This paper presents a detailed analysis and experimental study on the dynamic characteristics of magnetic bearings for a high speed permanent magnet motor. The analysis based on field-circuit coupling method can give more accurate result than the simplified linear model since the inference of nonlinear relation and stator slots are taken into account in the analysis.

Keywords

electromagnetic coupling; electromagnetic fields; machine bearings; magnetic bearings; mathematical analysis; permanent magnet motors; dynamic characteristics analysis; field-circuit coupling method; high speed machine; high speed permanent magnet motor; magnetic bearing; mathematical model; nonlinear electromagnetic; rotor; simplified linear model; stator; Couplings; Electromagnetic analysis; Electromagnetic modeling; Magnetic analysis; Magnetic levitation; Mathematical model; Mathematics; Permanent magnet motors; Rotors; Stators;

fLanguage

English

Publisher

ieee

Conference_Titel

Electrical Machines and Systems, 2008. ICEMS 2008. International Conference on

Conference_Location

Wuhan

Print_ISBN

978-1-4244-3826-6

Electronic_ISBN

978-7-5062-9221-4

Type

conf

Filename

4771268