Superconducting magnet formed by laminating hollow conductor plates

摘要

A laminated superconducting magnet (5) comprises a multilayer short-circuit superconductor group (2) formed by uniting superposed hollow superconducting plates (l, la, lb), and an exciting coil (3) for inducing a current from an external power source (4) to the multilayer short-circuit superconductor group (2) for operation in a permanent current mode. Even if some of the superconducting plates are quenched, the other normal superconducting plates share the excess current temporarily. Therefore, the entire superconducting magnet is not quenched.