Abstract
The superconducting magnet levitation railway system will make its debut as a new high-speed mass transport system in the 21st century. In conjunction with the Central Japan Railway Company, the Railway Technical Research Institute (RTRI) started test running of the system in April 1997 on the Yamanashi Test Line. Eight months thereafter, or in December 1997, the test vehicles recorded the world's highest speed of 550km/h, which had been the first target of the development. Various tests related to the system are successfully being promoted to verify the high technical level attained so far. This paper outlines the developmental processes of the superconducting magnet, on-board refrigeration system, and other cryogenic systems; reports the results and operation during the past year; and introduces some of the key technologies that led to the unprecedented speed of 550km/h.
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