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, Haigun Lee

Research output: Contribution to journalArticle

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 languageEnglish
Article number5067200
Pages (from-to)2350-2353
Number of pages4
JournalIEEE Transactions on Applied Superconductivity
Volume19
Issue number3
DOIs
Publication statusPublished - 2009 Jun 1

Fingerprint

Helium
heaters
power supplies
switches
helium
Switches
conductors
superconducting magnets
inserts
Temperature
coils
Superconducting magnets
recovery
charts
liquid helium
Recovery
time measurement
nuclear magnetic resonance
temperature
Gases

Keywords

  • Heater-triggered switch
  • Various low operational temperatures
  • YBCO coated conductor

ASJC Scopus subject areas

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

Cite this

Characteristic analysis and design of the heater triggered switch for high-Tc power supply in various helium conditions. / Kim, Young Jae; Yang, Seong Eun; Chang, Ki Sung; Park, Dong Keun; Ko, Tae Kuk; Kim, Ho Min; Yoon, Yong Soo; Song, Jong Bin; Lee, Haigun.

In: IEEE Transactions on Applied Superconductivity, Vol. 19, No. 3, 5067200, 01.06.2009, p. 2350-2353.

Research output: Contribution to journalArticle

Kim, Young Jae ; Yang, Seong Eun ; Chang, Ki Sung ; Park, Dong Keun ; Ko, Tae Kuk ; Kim, Ho Min ; Yoon, Yong Soo ; Song, Jong Bin ; Lee, Haigun. / Characteristic analysis and design of the heater triggered switch for high-Tc power supply in various helium conditions. In: IEEE Transactions on Applied Superconductivity. 2009 ; Vol. 19, No. 3. pp. 2350-2353.
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