Experimental and analytical studies on mechanical behavior of superconducting coil for SMES

Author

Shimada, K. ; Hanai, S. ; Kushida, L. ; Hirabayashi, K. ; Kobayashi, T. ; Shimonosono, T. ; Hayashi, H. ; Tsutsumi, K. ; Irie, F. ; Horiuchi, Y. ; Ezaki, T.

Author_Institution

Toshiba Corp., Yokohama, Japan

Volume

11

Issue

1

fYear

2001

fDate

3/1/2001 12:00:00 AM

Firstpage

1912

Lastpage

1915

Abstract

The mechanical behavior of a superconducting coil is important for improving the stability and reducing the mechanical losses of SMES. Mechanical displacements of a model coil for 1 kWh experimental SMES (ESK) are measured and compared with analytical results using 2D FEM. Nonlinear behaviors, such as friction and sliding between conductors and spacers are considered in this model. The preliminary stress condition caused by refrigeration is also considered. The results of this analysis show a good agreement with the experimentally observed ones

Keywords

electromagnetic forces; finite element analysis; friction; losses; stability; superconducting coils; superconducting magnet energy storage; 1 kWh; SMES; conductors; friction; mechanical behavior; mechanical displacements; mechanical losses reduction; nonlinear behavior; refrigeration; spacers; stability improvement; stress condition; superconducting coil; Conductors; Electromagnetic forces; Magnetic field induced strain; Mechanical variables measurement; Niobium compounds; Samarium; Shape; Superconducting coils; Testing; Titanium compounds;

fLanguage

English

Journal_Title

Applied Superconductivity, IEEE Transactions on

Publisher

ieee

ISSN

1051-8223

Type

jour

DOI

10.1109/77.920224

Filename

920224