Superconducting (SC) tokamak HT-7U has seven pairs of buslines connecting toroidal/poloidal coils and the current leads. These SC buslines (SCBLs) share a common cryostat and are made of the cable in conduit conductor...Superconducting (SC) tokamak HT-7U has seven pairs of buslines connecting toroidal/poloidal coils and the current leads. These SC buslines (SCBLs) share a common cryostat and are made of the cable in conduit conductors (CICCs) arranged as a decoupling configuration. In order to reduce the heat loads conducted from the seven current leads with a capacity of 15 kA during the magnets cooldown, the buslines with a much lower thermal conduction were employed in comparison with the current leads, and a special cooling loop was designed.展开更多
基金This work was supported by National Meg-Science Engineering Project of Chinese Government
文摘Superconducting (SC) tokamak HT-7U has seven pairs of buslines connecting toroidal/poloidal coils and the current leads. These SC buslines (SCBLs) share a common cryostat and are made of the cable in conduit conductors (CICCs) arranged as a decoupling configuration. In order to reduce the heat loads conducted from the seven current leads with a capacity of 15 kA during the magnets cooldown, the buslines with a much lower thermal conduction were employed in comparison with the current leads, and a special cooling loop was designed.