Design optimization of air-ducts in rotating machines with high power density

Author

Onuki, T. ; Wakao, S. ; Im, J.W. ; Takahashi, H. ; Miyokawa, T.

Author_Institution

Dept. of Electr., Electron. & Comput. Eng., Waseda Univ., Tokyo, Japan

Volume

34

Issue

5

fYear

1998

fDate

9/1/1998 12:00:00 AM

Firstpage

2857

Lastpage

2860

Abstract

Recently, the request for the compactness of rotating machines such as traction motors has been increasing and thus the rotating machines should be of high power density. The compactness of motors makes the problem of the magnetic saturation more serious. With this background, this paper describes the design optimization of air-ducts in induction motors. By investigating the relationship between the rotor-yoke configuration with air-ducts and the magnetic flux density in the air-gap, we determine the desirable air-ducts arrangement. Some numerical results, which demonstrate the validity of the proposed approach, are also presented

Keywords

boundary-elements methods; finite element analysis; induction motors; machine theory; magnetic flux; optimisation; rotors; traction motors; air-ducts; air-gap; design optimization; high power density; induction motors; magnetic flux density; magnetic saturation; rotating machines; rotor-yoke configuration; traction motors; Air gaps; Design optimization; Induction motors; Magnetic flux; Magnetic flux density; Rotating machines; Rotors; Saturation magnetization; Temperature; Traction motors;

fLanguage

English

Journal_Title

Magnetics, IEEE Transactions on

Publisher

ieee

ISSN

0018-9464

Type

jour

DOI

10.1109/20.717665

Filename

717665