| 摘要 |
PROBLEM TO BE SOLVED: To provide a superconducting flywheel power storage which is possible of further increase in the stored power and moreover is low to the utmost in energy loss. SOLUTION: The superconducting flywheel power storage comprises an exhaust device (9), which has a cryogenic container 1 having accommodated a superconducting coil 3 arranged in fixed state, a superconducting bulk body 4 arranged in levitation state opposite to it, and a flywheel 5 rotating in a body with the superconducting bulk body in question, and evacuates the interior of the cryogenic vessel, heat conductive coolers (10 and 11) which cool the superconducting coil to its critical temperature or lower, and a clutch device (13') which performs connecting and break, between a rotary shaft 3 fixed to the flywheel and a generator-motor 12. As the clutch device, a noncontact type electromagnetic clutch is suitable. COPYRIGHT: (C)2003,JPO
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