In the flamework of the ITER qualification tests, the first China TF conductor sample （CNTF1） was tested at the SULTAN facility. The sample was made of two TF conductor sections manufactured from identical internal ...In the flamework of the ITER qualification tests, the first China TF conductor sample （CNTF1） was tested at the SULTAN facility. The sample was made of two TF conductor sections manufactured from identical internal stannum strands provided by the Oxford ~upercon- cluctlng technology company （OST）. In order to evaluate the conductor performance, the current sharing temperature （Tcs） was measured at specified electromagnetic load cycling steps. Both conductor sections of the CNTF1 sample showed identical performance. Tcs was 7.2 K before cycling loading, and 6.9 K even after 950 cycles, without significant degradation, which substan- tially exceeds the ITER requirement of 5.7 K. The tests of the CNTF1 conductor sample showed that the electromagnetic cyclic load exhibited a negligible effect on the conductor performance. The coupling time constant 0 for AC loss was 214 ms and 71.52 nrs before and after the cycling load. respectively. The test results of the sample are compared with the strand performance and parameter model analysis.展开更多
According to the International Thermonuclear Experimental Reactor （ITER） Pro- curement Arrangement （PA） of Cable-In-Conduit Conductor （CICC） unit lengths for the Toroidal Field （TF） and Poloidal Field （PF） m...According to the International Thermonuclear Experimental Reactor （ITER） Pro- curement Arrangement （PA） of Cable-In-Conduit Conductor （CICC） unit lengths for the Toroidal Field （TF） and Poloidal Field （PF） magnet systems of ITER, at the start of process qualification, the Domestic Agency （DA） shall be required to conduct a benchmarking of the room and low tem- perature acceptance tests carried out at the Strand Suppliers and/or at its Reference Laboratories designated by the ITER Organization （IO）. The first benchmarking was carried out successfully in 2009. Nineteen participants from six DAs （China, European Union, Japan, South Korea, Russia, and the United States） participated in the first benchmarking. Bronze-route （BR） Nb3Sn strand and samples prepared by the ITER reference lab （CERN） were sent out to each participant by CERN. In this paper, the test facility and test results of the first benchmarking by the Chinese DA （CNDA） are presented.展开更多
基金supported by the Major State Basic R,esearch Development, Program of China (973 program) (No. 0559730532)
文摘In the flamework of the ITER qualification tests, the first China TF conductor sample （CNTF1） was tested at the SULTAN facility. The sample was made of two TF conductor sections manufactured from identical internal stannum strands provided by the Oxford ~upercon- cluctlng technology company （OST）. In order to evaluate the conductor performance, the current sharing temperature （Tcs） was measured at specified electromagnetic load cycling steps. Both conductor sections of the CNTF1 sample showed identical performance. Tcs was 7.2 K before cycling loading, and 6.9 K even after 950 cycles, without significant degradation, which substan- tially exceeds the ITER requirement of 5.7 K. The tests of the CNTF1 conductor sample showed that the electromagnetic cyclic load exhibited a negligible effect on the conductor performance. The coupling time constant 0 for AC loss was 214 ms and 71.52 nrs before and after the cycling load. respectively. The test results of the sample are compared with the strand performance and parameter model analysis.
文摘According to the International Thermonuclear Experimental Reactor （ITER） Pro- curement Arrangement （PA） of Cable-In-Conduit Conductor （CICC） unit lengths for the Toroidal Field （TF） and Poloidal Field （PF） magnet systems of ITER, at the start of process qualification, the Domestic Agency （DA） shall be required to conduct a benchmarking of the room and low tem- perature acceptance tests carried out at the Strand Suppliers and/or at its Reference Laboratories designated by the ITER Organization （IO）. The first benchmarking was carried out successfully in 2009. Nineteen participants from six DAs （China, European Union, Japan, South Korea, Russia, and the United States） participated in the first benchmarking. Bronze-route （BR） Nb3Sn strand and samples prepared by the ITER reference lab （CERN） were sent out to each participant by CERN. In this paper, the test facility and test results of the first benchmarking by the Chinese DA （CNDA） are presented.
