Conceptual design of a 100 MJ superconducting magnetic energy storage

Abstract

The conceptual design of the 100 MJ SMES test facility is described. The facility's rated steady conditions correspond to a peak current of 5 kA in the winding which is fully stabilized at a 4 T field and a 50 MJ capacitance, and to converter power of 20 MW. Under forced conditions (1 hour) the peak current rises to 7.1 kA and 5.6 T (a partially stabilized winding) at stored energy of 100 UT and converter power of 30 MW. The winding is made from a multistrand transposed cable (Nb-Ti +Cu).

The comparison of single- and multi-solenoidal windings for superconducting storage device performance

“…Progress in applied superconductivity has made it more feasible to apply superconducting storage for smoothing out the peak daily loads 113, and as control components providing optimization of normal modes of power system operation and their eliminating (or mitigating) emergency conditions [2,3]. Furthemore, the prospects of using superconducting storage devices (SSD) for space and other applications 14-61 provoke a pwing interest in this problem.…”