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1. 发明专利

JP2000097976A SUPERCONDUCTIVE COIL SYSTEM 失效
公开(公告)号：JP2000097976A
公开(公告)日：2000-04-07
申请号：JP27011198
申请日：1998-09-24
申请人： KYUSHU ELECTRIC POWER , TOSHIBA CORP
发明人： IRIE FUJIO , TSUTSUMI KATSUYA , HAYASHI HIDEMI , KUSHIDA RUNA , KYODO MAKOTO
IPC分类号： H01C13/00 , G01R19/00 , H01F6/06 , H01L39/04
摘要： PROBLEM TO BE SOLVED: To protect a superconductive coil from a voltage which occurs due to the breakage of a measuring wire by suppressing the flow of a large current through the measuring wire with a small current capacity. SOLUTION: In the superconductive coil system to measure the state of a superconductive coil 2 housed in a cryostat 1 and maintained in a very low temperature state, a plurality of voltage measuring wires 7a to 7c and temperature measuring wires 11a to 11c are derived from the superconductive coil 2 to the outside of the cryostat 1 and connected to measuring equipment 9a to 9c and 13a to 13c. Resistors 8a to 8c to suppress current which flows at the time of the ground fault of the measuring wires at midpoints in the measuring wires in the cryostat 1.

2. 发明专利

JP2001339879A SUPERCONDUCTING COIL SYSTEM 失效
公开(公告)号：JP2001339879A
公开(公告)日：2001-12-07
申请号：JP2000158971
申请日：2000-05-29
申请人： TOSHIBA CORP
发明人： KUSHIDA RUNA , SHIMADA KAZUTO
IPC分类号： H01F6/00 , H02J15/00
摘要： PROBLEM TO BE SOLVED: To obtain a superconducting coil system capable of improving the reliability thereof and attaining footprint and economical advantages. SOLUTION: This superconducting coil system consists of a superconducting coil 1, a DC power source 4 magnetizing/demagnetizing the superconducting coil 1, a bus bar 8 connecting the superconducting coil 1 and a current lead 3, and a cable 9 connecting the current lead 3 and the DC power source 4. At least one of the bus bar 8, the current lead 3, or the cable 9 is formed out of a superconductor. The superconducting coil system is provided with a feed line 10 for supplying current from the DC power source 4 to the superconducting coil 1, and a means for shifting part or the whole of the feed line 10 to a normal conducting state forcibly, and part or the whole of the feed line 10 is normal conducted by the means for shifting to normal conduction under abnormal conditions of the system to absorb energy accumulated in the superconducting coil 1.

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