The second test results on the Nb{sub 3}Sn demo poloidal coil (DPC-EX)
Conference
·
OSTI ID:45423
- Japan Atomic Energy Research Institute, Ibaraki (Japan); and others
The second test of the DPC-EX fabricated as one of developments of superconducting poloidal coils for fusion machines, has been carried out. The DPC-EX is a winding inner diameter of 1 m, wound with a Nb{sub 3}Sn cable-in-conduit conductor. In the test, the generation of 7.1 T in 0.5 s was achieved with a high cable space current density of 117 A/mm{sup 2}. Measurement of ramp rate limitation was carried out and a simple formula was presented for analysis of the results. And it was found that no changes in T{sub cs} and ac losses were appeared before and after 350 pulsed operations. These results show that the reliability of Nb{sub 3}Sn conductors for large pulse coils was demonstrated.
- OSTI ID:
- 45423
- Report Number(s):
- CONF-930703--
- Country of Publication:
- United States
- Language:
- English
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