Method of constructing a normal joint structure of a superconducting cable

摘要

Provided is a method of constructing a normal joint structure for connecting superconducting cables having a cable core and an optical fiber arranged along the cable core. With the method, which includes the steps of pulling out an optical fiber from the end of each of two superconducting cables to be connected together and splicing the optical fibers thus pulled out; returning the excess length of the pulled-out optical fiber to a superconducting cable side upon the completion of splicing; and connecting the cable cores, it is possible to reduce the quantity of optical fiber housed in a joint box, and accordingly to downsize the joint box.