Design, fabrication and testing of a dipole magnet made with 2G HTS wire

An HTS dipole magnet with a 1 T (at 77 K) central magnetic field in a 40 × 80 mm² aperture has been designed, fabricated and tested. The magnet coils were wound with SuperOx 2G HTS wire. The paper describes the magnet design, properties of the magnet materials, and results of calculations and measurements. The central field in the dipole reached 1.12 T at 77 K and 1.66 T at 65 K. In a liquid helium bath the maximum input current of 847 A was limited by the capacity of the power supply, and in that case the central field was 3.03 T. The measurement data were in good agreement with the calculation results. (paper)