DEVELOPMENT OF A SUPERCONDUCTING JOINT TECHNIQUE BETWEEN CIC CONDUCTORS FOR POLOIDAL COIL OF LARGE HELICAL DEVICE (LHD)

被引:3
|
作者
HANAWA, S [1 ]
WACHI, Y [1 ]
SHIBAYAMA, K [1 ]
SHIBUYA, J [1 ]
MIZUMAKI, S [1 ]
YAMAMOTO, T [1 ]
NAKAMOTO, K [1 ]
KAI, T [1 ]
TAKAHATA, K [1 ]
YAMAMOTO, J [1 ]
SATOW, T [1 ]
MOTOJIMA, O [1 ]
机构
[1] NATL INST FUS SCI,TOKI,GIFU 50952,JAPAN
关键词
D O I
10.1109/77.402658
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
A solid state bonding technique has been developed for the large superconducting joint of LHD poloidal coils. Low electrical resistance, high superconducting stability and compactness are required for the joints between pancake coils. All NbTi strands of cable-in-conduit (CIC) conductors were jointed directly and at one time by the proposed technique. From the critical current test with the real scale joint model, it is shown that quench current of this joint is about 1/3 times of the conductor critical current. This paper describes the main points in manufacturing the joint and evaluation of the quench current.
引用
收藏
页码:757 / 760
页数:4
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