Manufacture and performance test result of a 95 kA-class Nb-Ti cable-in-conduit conductor for the low field winding-package of CFETR-TF coil

Chao Dai; Yu Wu; Kamil Sedlak; Hugo Bajas; Arend Nijhuis; Pierluigi Bruzzone; Arnaud Devred; Jinggang Qin; Yunhao Liu; Tianjun Xue; Zuojiafeng Wu

doi:10.1016/j.physc.2023.1354212

Manufacture and performance test result of a 95 kA-class Nb-Ti cable-in-conduit conductor for the low field winding-package of CFETR-TF coil

Chao Dai^*, Yu Wu, Kamil Sedlak, Hugo Bajas, Arend Nijhuis, Pierluigi Bruzzone, Arnaud Devred, Jinggang Qin, Yunhao Liu, Tianjun Xue, Zuojiafeng Wu

^*Corresponding author for this work

Energy Materials Systems

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Abstract

The engineering design of the CFETR TF prototype coil and conductors has been completed. The wind-package (WP) of the coil is graded into three regions based on the magnetic field distribution for saving cost. High-J_c Nb₃Sn strand, ITER-like Nb₃Sn strand and Nb-Ti strand are applied for high-field, mid-field and low-field WP respectively. In order to verify the conductor design, full-size short samples have been manufactured for the three types of conductors. The samples are tested in the SULTAN facility at CRPP in Villigen, Switzerland. At present, the test of Nb-Ti conductor for low-field WP is finished, DC and AC tests were performed. In DC test, several current sharing temperature (T_cs) measurements were performed with 500 electromagnetic cycles and one thermal cycle. Additionally, minimum quench energy (MQE) measurement was performed for investigating the stability of the conductor. The test results and analysis are reported in this paper.

Original language	English
Article number	1354212
Number of pages	8
Journal	Physica C: Superconductivity and its applications
Volume	606
Early online date	26 Jan 2023
DOIs	https://doi.org/10.1016/j.physc.2023.1354212
Publication status	Published - 15 Mar 2023

Keywords

Cable-in-conduit conductor
CFETR TF
Nb-Ti conductor
2024 OA procedure

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1016/j.physc.2023.1354212

ArticleFinal published version, 7 MBLicence: Taverne

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Dai, C., Wu, Y., Sedlak, K., Bajas, H., Nijhuis, A., Bruzzone, P., Devred, A., Qin, J., Liu, Y., Xue, T., & Wu, Z. (2023). Manufacture and performance test result of a 95 kA-class Nb-Ti cable-in-conduit conductor for the low field winding-package of CFETR-TF coil. Physica C: Superconductivity and its applications, 606, Article 1354212. https://doi.org/10.1016/j.physc.2023.1354212

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title = "Manufacture and performance test result of a 95 kA-class Nb-Ti cable-in-conduit conductor for the low field winding-package of CFETR-TF coil",

abstract = "The engineering design of the CFETR TF prototype coil and conductors has been completed. The wind-package (WP) of the coil is graded into three regions based on the magnetic field distribution for saving cost. High-Jc Nb3Sn strand, ITER-like Nb3Sn strand and Nb-Ti strand are applied for high-field, mid-field and low-field WP respectively. In order to verify the conductor design, full-size short samples have been manufactured for the three types of conductors. The samples are tested in the SULTAN facility at CRPP in Villigen, Switzerland. At present, the test of Nb-Ti conductor for low-field WP is finished, DC and AC tests were performed. In DC test, several current sharing temperature (Tcs) measurements were performed with 500 electromagnetic cycles and one thermal cycle. Additionally, minimum quench energy (MQE) measurement was performed for investigating the stability of the conductor. The test results and analysis are reported in this paper.",

keywords = "Cable-in-conduit conductor, CFETR TF, Nb-Ti conductor, 2024 OA procedure",

author = "Chao Dai and Yu Wu and Kamil Sedlak and Hugo Bajas and Arend Nijhuis and Pierluigi Bruzzone and Arnaud Devred and Jinggang Qin and Yunhao Liu and Tianjun Xue and Zuojiafeng Wu",

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AU - Dai, Chao

AU - Wu, Yu

AU - Sedlak, Kamil

AU - Bajas, Hugo

AU - Nijhuis, Arend

AU - Bruzzone, Pierluigi

AU - Devred, Arnaud

AU - Qin, Jinggang

AU - Liu, Yunhao

AU - Xue, Tianjun

AU - Wu, Zuojiafeng

PY - 2023/3/15

Y1 - 2023/3/15

N2 - The engineering design of the CFETR TF prototype coil and conductors has been completed. The wind-package (WP) of the coil is graded into three regions based on the magnetic field distribution for saving cost. High-Jc Nb3Sn strand, ITER-like Nb3Sn strand and Nb-Ti strand are applied for high-field, mid-field and low-field WP respectively. In order to verify the conductor design, full-size short samples have been manufactured for the three types of conductors. The samples are tested in the SULTAN facility at CRPP in Villigen, Switzerland. At present, the test of Nb-Ti conductor for low-field WP is finished, DC and AC tests were performed. In DC test, several current sharing temperature (Tcs) measurements were performed with 500 electromagnetic cycles and one thermal cycle. Additionally, minimum quench energy (MQE) measurement was performed for investigating the stability of the conductor. The test results and analysis are reported in this paper.

AB - The engineering design of the CFETR TF prototype coil and conductors has been completed. The wind-package (WP) of the coil is graded into three regions based on the magnetic field distribution for saving cost. High-Jc Nb3Sn strand, ITER-like Nb3Sn strand and Nb-Ti strand are applied for high-field, mid-field and low-field WP respectively. In order to verify the conductor design, full-size short samples have been manufactured for the three types of conductors. The samples are tested in the SULTAN facility at CRPP in Villigen, Switzerland. At present, the test of Nb-Ti conductor for low-field WP is finished, DC and AC tests were performed. In DC test, several current sharing temperature (Tcs) measurements were performed with 500 electromagnetic cycles and one thermal cycle. Additionally, minimum quench energy (MQE) measurement was performed for investigating the stability of the conductor. The test results and analysis are reported in this paper.

KW - Cable-in-conduit conductor

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KW - Nb-Ti conductor

KW - 2024 OA procedure

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JO - Physica C: Superconductivity and its applications

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Manufacture and performance test result of a 95 kA-class Nb-Ti cable-in-conduit conductor for the low field winding-package of CFETR-TF coil

Abstract

Keywords

UN SDGs

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