Characteristic analysis and design of the heater triggered switch for high-Tc power supply in various helium conditions

Young Jae Kim; Seong Eun Yang; Ki Sung Chang; Dong Keun Park; Tae Kuk Ko; Ho Min Kim; Yong Soo Yoon; Jong Bin Song; Hai Gun Lee

doi:10.1109/TASC.2009.2018761

Characteristic analysis and design of the heater triggered switch for high-Tc power supply in various helium conditions

Young Jae Kim
, Seong Eun Yang
, Ki Sung Chang
, Dong Keun Park
, Tae Kuk Ko
, Ho Min Kim
, Yong Soo Yoon
, Jong Bin Song
, Hai Gun Lee

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

Abstract

This paper presents experimental results and characteristic analysis of a high-Tc heater-triggered switch using a coated conductor (CC) in various low operational temperatures. A high temperature superconducting (HTS) power supply has been studied only focusing on proving the operational concept rather than applying to real superconducting magnet load. A HTS insert coil that can be installed in a low temperature superconducting (LTS) magnet has been proposed and researched to generate higher magnetic field for NMR. Since the CC could be an attractive option for the HTS insert coil, it is important to research about characteristics of the heater-triggered switch employing the CC in the low temperature. The HTS power supply consists of the two switches and one of key design parameters is to make a timing sequential chart. We investigated a quench and recovery time of the switch with respect to a heater current. A heater test in a gas helium condition was also performed and compared with the result in a liquid helium condition. From these tests, a basic data of the heater-triggered switch for optimal design of the HTS power supply was obtained; correlations among the heater current, a state and temperature of cryogen, and the quench and recovery time.

Original language	English
Article number	5067200
Pages (from-to)	2350-2353
Number of pages	4
Journal	IEEE Transactions on Applied Superconductivity
Volume	19
Issue number	3
DOIs	https://doi.org/10.1109/TASC.2009.2018761
Publication status	Published - 2009 Jun

Bibliographical note

Funding Information:
Manuscript received August 26, 2008. First published June 05, 2009; current version published July 15, 2009. This work was supported by the Korea Science and Engineering Foundation (KOSEF) through the National Research Lab. Program funded by the Ministry of Science and Technology (R0A-2007-000-20063-0). Y. J. Kim, S. E. Yang, K. S. Chang, D. K. Park and T. K. Ko are with the School of Electrical and Electronics, Yonsei University, Korea (e-mail: [email protected]). H. M. Kim is with the Korea Electrotechnology Research Institute, Korea (e-mail: [email protected]). Y. S. Yoon is with the Ansan College of Technology, Korea (e-mail: [email protected]). J. B. Song and H. Lee are with the Department of Materials Science & Engineering, Korea University, Korea (e-mail: [email protected]). 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.2009.2018761

Keywords

Heater-triggered switch
Various low operational temperatures
YBCO coated conductor

ASJC Scopus subject areas

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

Access to Document

10.1109/TASC.2009.2018761

Cite this

@article{9367203e152c414c98bbde9ac499bb93,

title = "Characteristic analysis and design of the heater triggered switch for high-Tc power supply in various helium conditions",

abstract = "This paper presents experimental results and characteristic analysis of a high-Tc heater-triggered switch using a coated conductor (CC) in various low operational temperatures. A high temperature superconducting (HTS) power supply has been studied only focusing on proving the operational concept rather than applying to real superconducting magnet load. A HTS insert coil that can be installed in a low temperature superconducting (LTS) magnet has been proposed and researched to generate higher magnetic field for NMR. Since the CC could be an attractive option for the HTS insert coil, it is important to research about characteristics of the heater-triggered switch employing the CC in the low temperature. The HTS power supply consists of the two switches and one of key design parameters is to make a timing sequential chart. We investigated a quench and recovery time of the switch with respect to a heater current. A heater test in a gas helium condition was also performed and compared with the result in a liquid helium condition. From these tests, a basic data of the heater-triggered switch for optimal design of the HTS power supply was obtained; correlations among the heater current, a state and temperature of cryogen, and the quench and recovery time.",

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author = "Kim, \{Young Jae\} and Yang, \{Seong Eun\} and Chang, \{Ki Sung\} and Park, \{Dong Keun\} and Ko, \{Tae Kuk\} and Kim, \{Ho Min\} and Yoon, \{Yong Soo\} and Song, \{Jong Bin\} and Lee, \{Hai Gun\}",

note = "Funding Information: Manuscript received August 26, 2008. First published June 05, 2009; current version published July 15, 2009. This work was supported by the Korea Science and Engineering Foundation (KOSEF) through the National Research Lab. Program funded by the Ministry of Science and Technology (R0A-2007-000-20063-0). Y. J. Kim, S. E. Yang, K. S. Chang, D. K. Park and T. K. Ko are with the School of Electrical and Electronics, Yonsei University, Korea (e-mail: [email protected]). H. M. Kim is with the Korea Electrotechnology Research Institute, Korea (e-mail: [email protected]). Y. S. Yoon is with the Ansan College of Technology, Korea (e-mail: [email protected]). J. B. Song and H. Lee are with the Department of Materials Science \& Engineering, Korea University, Korea (e-mail: [email protected]). 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.2009.2018761",

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AU - Chang, Ki Sung

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AU - Ko, Tae Kuk

AU - Kim, Ho Min

AU - Yoon, Yong Soo

AU - Song, Jong Bin

AU - Lee, Hai Gun

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N2 - This paper presents experimental results and characteristic analysis of a high-Tc heater-triggered switch using a coated conductor (CC) in various low operational temperatures. A high temperature superconducting (HTS) power supply has been studied only focusing on proving the operational concept rather than applying to real superconducting magnet load. A HTS insert coil that can be installed in a low temperature superconducting (LTS) magnet has been proposed and researched to generate higher magnetic field for NMR. Since the CC could be an attractive option for the HTS insert coil, it is important to research about characteristics of the heater-triggered switch employing the CC in the low temperature. The HTS power supply consists of the two switches and one of key design parameters is to make a timing sequential chart. We investigated a quench and recovery time of the switch with respect to a heater current. A heater test in a gas helium condition was also performed and compared with the result in a liquid helium condition. From these tests, a basic data of the heater-triggered switch for optimal design of the HTS power supply was obtained; correlations among the heater current, a state and temperature of cryogen, and the quench and recovery time.

AB - This paper presents experimental results and characteristic analysis of a high-Tc heater-triggered switch using a coated conductor (CC) in various low operational temperatures. A high temperature superconducting (HTS) power supply has been studied only focusing on proving the operational concept rather than applying to real superconducting magnet load. A HTS insert coil that can be installed in a low temperature superconducting (LTS) magnet has been proposed and researched to generate higher magnetic field for NMR. Since the CC could be an attractive option for the HTS insert coil, it is important to research about characteristics of the heater-triggered switch employing the CC in the low temperature. The HTS power supply consists of the two switches and one of key design parameters is to make a timing sequential chart. We investigated a quench and recovery time of the switch with respect to a heater current. A heater test in a gas helium condition was also performed and compared with the result in a liquid helium condition. From these tests, a basic data of the heater-triggered switch for optimal design of the HTS power supply was obtained; correlations among the heater current, a state and temperature of cryogen, and the quench and recovery time.

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KW - Various low operational temperatures

KW - YBCO coated conductor

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Characteristic analysis and design of the heater triggered switch for high-Tc power supply in various helium conditions

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

Access to Document

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