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ST/STP512 - Design, Construction, and Testing of a Large Aperture High Field HTS SMES Coil

Design, Construction, and Testing of a Large Aperture High Field HTS SMES Coil

R. Gupta1, M. Anerella1, P. Joshi1, J. Higgins1, S. Lalitha2, W. Sampson1, J. Schmalzle1, and P. Wanderer1

1The Brookhaven National Laboratory, Upton, NY 11973 USA
2The Facility for Rare Isotope Beams, USA

E-mail: [email protected]

Abstract — This paper presents the design, construction and test results of a high energy density coil for a Superconducting Magnetic Energy Storage System (SMES). The coil was designed to reach 25 T at 4 K in a 100 mm bore under a program funded by ARPA-E. The coil used over 6 km of 12 mm wide Second Generation (2G) High Temperature Superconductors (HTS) provided by SuperPower. Such high fields and large aperture in a coil built with a new and still developing conductor and magnet technology created several challenges that included large stresses and quench protection. This paper summarizes an ambitious research program that resulted in a SMES coil reaching 12.5 T at 27 K. This is the first time that such high fields and such high energy densities have been generated at a temperature over 10 K and it opens the door for the possible use of HTS magnets in energy storage and other applications.

This project was funded by the DOE Advanced Research Program Agency-Energy (ARPA-E) via a Cooperative Research and Development Agreement (CRADA) that BNL has with ABB, Inc. This work was also supported by the Brookhaven Science Associates, LLC under contract No. DE-SC0012704 with the U.S. Department of Energy.

Keywords (Index Terms) — SMES, HTS, high field magnets, solenoids.

IEEE/CSC & ESAS SUPERCONDUCTIVITY NEWS FORUM (global edition), April 2016. 
Submitted January 12, 2016; Selected January 15, 2016. Reference No. ST/STP512; Category 6. This invited presentation 1OrAB_01 was given at MT-24. A manuscript was submitted to IEEE Trans. Appl. Supercond. for possible publication.