Abstract
Work has been conducted to develop REBCO (Rare-Earth Barium Copper Oxide) magnets for Maglev. REBCO is one of several high temperature superconducting materials and has a high current density at high temperatures and in high magnetic field environments. The REBCO coated conductor will make it possible to raise the operating temperature of on-board magnets without increasing the coil weight. Since liquid helium is unnecessary for cooling REBCO coils, magnet operation is easier than that with low temperature superconducting magnets. The aim of this research is the development of a real-size REBCO coil and demonstration of its actual magnetomotive force on Maglev. This paper describes the conceptual design of the on-board REBCO magnet and the experimental production of racetrack pancake coils which constitute the real-size REBCO coil.
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