Anew layout of HTS tapes and their critical currents for DC power cables

Weinvestigated thegapeects on the critical current of the middle tape in the paralleled arrangements of three straight BSCCO tapes with monolayer, 2-layer and 3-layer structures to improve the cable superconducting performance by the tape arrangement. The critical current of the BSCCO tape increases with the decreasing of thegap for the monolayer structure, increases by 11% for the 2-layer and decreases by 15% for the 3-layer structure. Anew layout of HTS tapes for the DC power cable is presented. The critical current of the BSCCO tape in a cable with a new layout may increase by 10%.