Critical currents and ac losses on subsize cables of the net-EM/LMI 40-kA Nb sub 3 Sn cable-in-conduit conductor prototype

Conference · Thu Feb 28 23:00:00 EST 1991 · IEEE Transactions on Magnetics (Institute of Electrical and Electronics Engineers); (United States)

OSTI ID:6047284

Bruzzese, R; Chiarelli, S; Gislon, P; Spadoni, M ^[1]; Zannella, S ^[2]

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1. Associazione EURATOM-ENES sulla Fusione, CRE Frascati, C.P. 65-00044 Frascati, Rome (IT)
2. CISE, Milan (IT)

This paper reports on critical currents measured on subsize cables, up to the 27-strand level, of the 40-kA NET/EM-LMI Nb{sub 3}Sn prototype conductor for the OH solenoid of NET. Energy losses in basic strands were determined by magnetization cycles. Copper and stainless steel were used as conduit materials to produce CIC conductors with a 0.35 void fraction, lower than that of the full-size conductor. The experimental results have shown that, compared to the single-strand current, practically no degradation is observed in cables with a Cu conduit, while the cables with a stainless steel conduit have a critical current lowered by cooldown strain to 0.57 of the expected current in a 27-strand cable at zero intrinsic strain.

• OSTI ID: 6047284
• Report Number(s): CONF-900944--
• Journal Information: IEEE Transactions on Magnetics (Institute of Electrical and Electronics Engineers); (United States), Journal Name: IEEE Transactions on Magnetics (Institute of Electrical and Electronics Engineers); (United States) Vol. 27:2; ISSN IEMGA; ISSN 0018-9464
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
360107 -- Metals & Alloys-- Superconducting Properties-- (1992-)
665412* -- Superconducting Devices-- (1992-)
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
700430 -- Fusion Technology-- Magnet Coils & Fields-- (1992-)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
AC LOSSES
ALLOYS
CLOSED PLASMA DEVICES
COPPER
COUPLING
CRITICAL CURRENT
CURRENTS
DATA
ELECTRIC COILS
ELECTRIC CURRENTS
ELECTRICAL EQUIPMENT
ELEMENTS
ENERGY LOSSES
EQUIPMENT
EXPERIMENTAL DATA
HIGH ALLOY STEELS
HYSTERESIS
INFORMATION
IRON ALLOYS
IRON BASE ALLOYS
LOSSES
METALS
NET TOKAMAK
NIOBIUM ALLOYS
NIOBIUM BASE ALLOYS
NUMERICAL DATA
SOLENOIDS
STAINLESS STEELS
STEELS
STRAINS
SUPERCONDUCTING COILS
THERMONUCLEAR DEVICES
TIN ALLOYS
TOKAMAK DEVICES
TRANSITION ELEMENTS