MAGNETIC-SHIELDED TRANSFORMER

摘要

PROBLEM TO BE SOLVED: To provide a magnetic-shielded transformer which encloses a magnetic path with a bulk high temperature superconductor to lessen the problems of the flux leakage, energy loss due to core loss and efficiency reduction. SOLUTION: A magnetic path of a flux resulting between a primary coil and a secondary coil is enclosed with a bulk high temperature superconductor which is composed of a plurality of clad bulk high temperature superconductors. The bulk high temperature superconductor is inserted between the primary coil and the secondary coil to block other magnetic paths from being formed, than the magnetic path of that flux. The magnetic path of that flux is an air core or a ferromagnetic core.