B - Operations – Transporting – 60 – L
Patent
B - Operations, Transporting
60
L
335/1, 341/85
B60L 13/06 (2006.01) B60L 13/10 (2006.01) B61B 13/08 (2006.01) H02K 41/02 (2006.01)
Patent
CA 2037267
The present invention relates to a superconducting magnetically levitated train and train system. The train includes a plurality of cars connected to each other, a group of superconducting magnets attached to the cars and a coil provided on the ground. The superconducting magnetically levitated train is levitated by the magnetically induced repulsion between the superconducting magnets and the coil on the ground. The invention is characterized in that the superconducting magnet on a specified car has a predetermined stability margin which is larger than the stability margin of a superconducting magnet on the other cars. A method of controlling the superconducting magnetically levitated train is disclosed which includes detecting a driven state of a superconducting magnet on a specified car and varying and controlling the travelling conditions of the train so that the stability margin of the superconducting magnet on the specific car is changed in accordance with the command from a train control means. A superconducting coil for the superconducting magnetically levitated train is also disclosed. The coil is a coil of a composite superconducting wire composed of multifilamentary NbTi wire having a low copper ratio. The outer surface thereof is coated with thin high purity aluminum or the wire accommodates high purity aluminum at the central portion of the cross section thereof.
Iida Fumio
Tada Naofumi
Takahashi Ryukichi
Hitachi Ltd.
Kirby Eades Gale Baker
LandOfFree
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