A study on the design and quench protection of a conduction-cooled magnet for a superconducting property measurement system

Sukjin Choi; Joon Han Bae; Myung Hwan Sohn; Chan Park; Ji Kwang Lee; Kyeongdal Choi; Tae Kuk Ko

doi:10.1109/TASC.2010.2091239

A study on the design and quench protection of a conduction-cooled magnet for a superconducting property measurement system

Sukjin Choi, Joon Han Bae, Myung Hwan Sohn, Chan Park, Ji Kwang Lee, Kyeongdal Choi, Tae Kuk Ko

Department of Electrical and Electronic Engineering

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

2 Citations (Scopus)

Abstract

A superconducting property measurement system (SPMS) is used to acquire electrical and thermal properties of short HTS tape samples. The SPMS is composed of a specimen holder for mounting an HTS tape and magnet for applying a magnetic field externally. The magnet consists of two split racetrack windings and is designed to produce maximum 3 T of center field at 20 K. In this paper, an HTS magnet for the SPMS cooled by a cryocooler was designed. A HTS magnet consists of several pancakes winding wound from YBCO CC tape. We report out design for a conduction-cooled magnet using YBCO CC tape. For varying the number of double pancake coils (DPCs) and the bending radius, an electromagnetic field analysis is used. We subsequently find a suitable HTS magnet type for an SPMS. This paper describes the quench protection system for an HTS magnet of the SPMS. The detection of any normal zone must be preceded to protect the HTS magnet. We use simulated protection circuit to estimate the trigger conditions. The presented results in this paper will be verified using fabricated protection circuit.

Original language	English
Article number	5643107
Pages (from-to)	2410-2414
Number of pages	5
Journal	IEEE Transactions on Applied Superconductivity
Volume	21
Issue number	3 PART 2
DOIs	https://doi.org/10.1109/TASC.2010.2091239
Publication status	Published - 2011 Jun

Bibliographical note

Funding Information:
Manuscript received August 03, 2010; accepted November 01, 2010. Date of publication November 22, 2010; date of current version May 27, 2011. This work was supported by Electric Power Industry Technology Evaluation and Planning. S. Choi and T. K. Ko are with Yonsei University, Korea (e-mail: sj-choi94@yonsei.ac.kr; tkko@yonsei.ac.kr). K. Choi is with Korea Polytechnic University, Korea (e-mail: choidal@kpu.ac.kr). J.-H. Bae and M.-H. Sohn are with the Korea Electrotechnology Research Institute, Changwon 641-120, Korea (e-mail: baejh@keri.re.kr). C. Park is with Seoul National University, Korea (e-mail: wskim612@gmail. com). J. Lee is with Woosuk University, Wanju, Jeonbuk 565-701, Korea (e-mail: jikwang@woosuk.ac.kr). Color versions of one or more of the figures in this paper are available online at http://ieeexplore.ieee.org. Digital Object Identifier 10.1109/TASC.2010.2091239

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.2010.2091239

Cite this

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title = "A study on the design and quench protection of a conduction-cooled magnet for a superconducting property measurement system",

abstract = "A superconducting property measurement system (SPMS) is used to acquire electrical and thermal properties of short HTS tape samples. The SPMS is composed of a specimen holder for mounting an HTS tape and magnet for applying a magnetic field externally. The magnet consists of two split racetrack windings and is designed to produce maximum 3 T of center field at 20 K. In this paper, an HTS magnet for the SPMS cooled by a cryocooler was designed. A HTS magnet consists of several pancakes winding wound from YBCO CC tape. We report out design for a conduction-cooled magnet using YBCO CC tape. For varying the number of double pancake coils (DPCs) and the bending radius, an electromagnetic field analysis is used. We subsequently find a suitable HTS magnet type for an SPMS. This paper describes the quench protection system for an HTS magnet of the SPMS. The detection of any normal zone must be preceded to protect the HTS magnet. We use simulated protection circuit to estimate the trigger conditions. The presented results in this paper will be verified using fabricated protection circuit.",

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AU - Choi, Kyeongdal

AU - Ko, Tae Kuk

N1 - Funding Information: Manuscript received August 03, 2010; accepted November 01, 2010. Date of publication November 22, 2010; date of current version May 27, 2011. This work was supported by Electric Power Industry Technology Evaluation and Planning. S. Choi and T. K. Ko are with Yonsei University, Korea (e-mail: sj-choi94@yonsei.ac.kr; tkko@yonsei.ac.kr). K. Choi is with Korea Polytechnic University, Korea (e-mail: choidal@kpu.ac.kr). J.-H. Bae and M.-H. Sohn are with the Korea Electrotechnology Research Institute, Changwon 641-120, Korea (e-mail: baejh@keri.re.kr). C. Park is with Seoul National University, Korea (e-mail: wskim612@gmail. com). J. Lee is with Woosuk University, Wanju, Jeonbuk 565-701, Korea (e-mail: jikwang@woosuk.ac.kr). Color versions of one or more of the figures in this paper are available online at http://ieeexplore.ieee.org. Digital Object Identifier 10.1109/TASC.2010.2091239

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N2 - A superconducting property measurement system (SPMS) is used to acquire electrical and thermal properties of short HTS tape samples. The SPMS is composed of a specimen holder for mounting an HTS tape and magnet for applying a magnetic field externally. The magnet consists of two split racetrack windings and is designed to produce maximum 3 T of center field at 20 K. In this paper, an HTS magnet for the SPMS cooled by a cryocooler was designed. A HTS magnet consists of several pancakes winding wound from YBCO CC tape. We report out design for a conduction-cooled magnet using YBCO CC tape. For varying the number of double pancake coils (DPCs) and the bending radius, an electromagnetic field analysis is used. We subsequently find a suitable HTS magnet type for an SPMS. This paper describes the quench protection system for an HTS magnet of the SPMS. The detection of any normal zone must be preceded to protect the HTS magnet. We use simulated protection circuit to estimate the trigger conditions. The presented results in this paper will be verified using fabricated protection circuit.

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A study on the design and quench protection of a conduction-cooled magnet for a superconducting property measurement system

Abstract

Bibliographical note

All Science Journal Classification (ASJC) codes

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