Abstract
A laboratory-scale conduction cooled high temperature superconducting (HTS) magnet is fabricated and tested. This HTS magnet was designed in order to generate 2 T at center of room bore in operating current 120 A. It consists of eight double-pancake sub-coils, two HTS current leads, a GM cryocooler and a cryostat without a radiation shield vessel. Sub-coils were wound with 1G HTS tapes of Sumitomo Electric Industries Ltd. using wet winding method. Assembled magnet was impregnated with epoxy resin in vacuum. Room bore diameter of this magnet was 70 mm. Each bobbin of double-pancake coils was of GFRP and aluminum alloy. Upper and lower supporting plates of coils is made by aluminum alloy in order to improve thermal conduction. In this paper, fabrication and test results of HTS magnet including magnetic field and temperature variation are reported.
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