Experimental study of the new type of HTS elements for current leads to be applied to the nuclear fusion devices

Jae Young Jang; Woo Seung Lee; Jae Sik Kang; Hyun Chul Jo; Young Jin Hwang; Jin Bae Na; Kideok Sim; Ho Min Kim; Yong Soo Yoon; Yoon Do Chung; Kyung Yong Yoon; Tae Kuk Ko

doi:10.1109/TASC.2012.2184071

Experimental study of the new type of HTS elements for current leads to be applied to the nuclear fusion devices

Jae Young Jang, Woo Seung Lee, Jae Sik Kang, Hyun Chul Jo, Young Jin Hwang, Jin Bae Na, Kideok Sim, Ho Min Kim, Yong Soo Yoon, Yoon Do Chung, Kyung Yong Yoon, Tae Kuk Ko

Department of Electrical and Electronic Engineering

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

This paper describes new kind of HTS (High Temperature Superconducting) element for current leads, which can transfer large electric current in the nuclear fusion system. Since the HTS tapes have no resistance and the generated Joule heat is also very small compared to the conventional current leads, cooling costs of the current leads can be reduced. For this reason, the various feasibility researches for HTS current leads have been promisingly progressed in the superconducting power applications. However, there is a limitation on the capability of current carrying for single HTS tape. In addition, the cross-sectional area of the current leads should be small enough to minimize the heat conducted through the HTS current leads. In order to improve the current carrying capacity of the current leads, multiple HTS tapes are required. In this paper, we proposed several structures of compact HTS current leads and compare them other 2 kA class current leads. We report on the calculated characteristics of stabilized HTS current leads and on the performance measured during critical current measurement tests.

Original language	English
Article number	6129489
Journal	IEEE Transactions on Applied Superconductivity
Volume	22
Issue number	3
DOIs	https://doi.org/10.1109/TASC.2012.2184071
Publication status	Published - 2012

Bibliographical note

Funding Information:
Manuscript received September 13, 2011; accepted January 09, 2012. Date of publication January 12, 2012; date of current version May 24, 2012. This work was supported by the Human Resources Development of the Korea Institute of Energy Technology Evaluation and Planning (KETEP) grant funded by the Korea government Ministry of Knowledge Economy (20104010100590-11-1-000).

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

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10.1109/TASC.2012.2184071

Cite this

Jang, J. Y., Lee, W. S., Kang, J. S., Jo, H. C., Hwang, Y. J., Na, J. B., Sim, K., Kim, H. M., Yoon, Y. S., Chung, Y. D., Yoon, K. Y., & Ko, T. K. (2012). Experimental study of the new type of HTS elements for current leads to be applied to the nuclear fusion devices. IEEE Transactions on Applied Superconductivity, 22(3), [6129489]. https://doi.org/10.1109/TASC.2012.2184071

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abstract = "This paper describes new kind of HTS (High Temperature Superconducting) element for current leads, which can transfer large electric current in the nuclear fusion system. Since the HTS tapes have no resistance and the generated Joule heat is also very small compared to the conventional current leads, cooling costs of the current leads can be reduced. For this reason, the various feasibility researches for HTS current leads have been promisingly progressed in the superconducting power applications. However, there is a limitation on the capability of current carrying for single HTS tape. In addition, the cross-sectional area of the current leads should be small enough to minimize the heat conducted through the HTS current leads. In order to improve the current carrying capacity of the current leads, multiple HTS tapes are required. In this paper, we proposed several structures of compact HTS current leads and compare them other 2 kA class current leads. We report on the calculated characteristics of stabilized HTS current leads and on the performance measured during critical current measurement tests.",

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note = "Funding Information: Manuscript received September 13, 2011; accepted January 09, 2012. Date of publication January 12, 2012; date of current version May 24, 2012. This work was supported by the Human Resources Development of the Korea Institute of Energy Technology Evaluation and Planning (KETEP) grant funded by the Korea government Ministry of Knowledge Economy (20104010100590-11-1-000).",

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N2 - This paper describes new kind of HTS (High Temperature Superconducting) element for current leads, which can transfer large electric current in the nuclear fusion system. Since the HTS tapes have no resistance and the generated Joule heat is also very small compared to the conventional current leads, cooling costs of the current leads can be reduced. For this reason, the various feasibility researches for HTS current leads have been promisingly progressed in the superconducting power applications. However, there is a limitation on the capability of current carrying for single HTS tape. In addition, the cross-sectional area of the current leads should be small enough to minimize the heat conducted through the HTS current leads. In order to improve the current carrying capacity of the current leads, multiple HTS tapes are required. In this paper, we proposed several structures of compact HTS current leads and compare them other 2 kA class current leads. We report on the calculated characteristics of stabilized HTS current leads and on the performance measured during critical current measurement tests.

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Experimental study of the new type of HTS elements for current leads to be applied to the nuclear fusion devices

Abstract

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