Finite element analysis of short circuit electromagnetic force in power transformer

Author

Lee, J.Y. ; Ahn, H.M. ; Kim, J.K. ; Oh, Y.H. ; Hahn, S.C.

Author_Institution

Dept. of Electr. & Eng., Dong-A Univ., Busan, South Korea

fYear

2009

fDate

15-18 Nov. 2009

Firstpage

1

Lastpage

4

Abstract

The electromagnetic forces acting upon the transformer windings are calculated by numerical analysis in this paper. The electromagnetic forces consisting of radial and axial directions induce the injurious mechanical stress to windings as well as transformer itself. 3-Dimensional power transformer model by finite element analysis is considered to calculate the electromagnetic forces. The magnetic vector potential, magnetic flux density and electromagnetic forces of the power transformer are calculated numerically, and the results are compared with the analytical results.

Keywords

electromagnetic forces; finite element analysis; power transformers; transformer windings; axial directions; finite element analysis; injurious mechanical stress; magnetic flux density; magnetic vector potential; power transformer; radial directions; short circuit electromagnetic force; transformer windings; Circuit analysis; Electromagnetic analysis; Electromagnetic forces; Electromagnetic modeling; Finite element methods; Magnetic analysis; Numerical analysis; Power transformers; Stress; Windings; Electromagnetic force; Finite element method; Power transformer; Short circuit;

fLanguage

English

Publisher

ieee

Conference_Titel

Electrical Machines and Systems, 2009. ICEMS 2009. International Conference on

Conference_Location

Tokyo

Print_ISBN

978-1-4244-5177-7

Electronic_ISBN

978-4-88686-067-5

Type

conf

DOI

10.1109/ICEMS.2009.5382899

Filename

5382899