Superconducting Magnetic Energy Storage (SMES) Using High Temperature Superconductors (HTS) in Three Geometries

  • Susan M. Schoenung
  • Robert L. Bieri
  • Thomas C. Bickel
Chapter
Part of the Advances in Cryogenic Engineering book series (ACRE, volume 39)

Abstract

Utility and industry interest in superconducting magnetic energy storage (SMES) for power quality and end-use applications is growing. Although today’s costs are high, recent studies have shown potential cost savings in the refrigeration system if high temperature superconductors (HTS) could be used. A potential obstacle to widespread use of small SMES systems is the magnetic field produced by a solenoid coil. A toroidal coil has almost no external field, but is generally more expensive than a solenoid. A system of two coils with opposite currents (a shielded solenoid) limits the extent of the external field, but also has a cost penalty. In this paper we present results of a configuration and cost analysis of SMES in solenoidal, toroidal, and shielded solenoidal configurations over the energy range of 1 to 10 MJ.

Keywords

Helium Bismuth Thallium Refrigeration 

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Copyright information

© Springer Science+Business Media New York 1994

Authors and Affiliations

  • Susan M. Schoenung
    • 1
  • Robert L. Bieri
    • 1
  • Thomas C. Bickel
    • 2
  1. 1.W. J. Schafer AssociatesLivermoreUSA
  2. 2.Department 6213Sandia National LaboratoryAlbuquerqueUSA

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