Determination of heater triggering parameters of superconducting power supply with series-connected double-pancake load

Yeong Sik Kim; Yong Soo Yoon; Min Cheol Kim; Duck Kweon Bae; Min Cheol Ahn; Woo Yong Cheon; Tae Kuk Ko

doi:10.1109/TASC.2004.830017

Determination of heater triggering parameters of superconducting power supply with series-connected double-pancake load

Yeong Sik Kim, Yong Soo Yoon, Min Cheol Kim, Duck Kweon Bae, Min Cheol Ahn, Woo Yong Cheon, Tae Kuk Ko

Department of Electrical and Electronic Engineering

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

Abstract

This paper presents determination of heater triggering parameters of high-T_c superconducting (HTS) power supply with series-connected double-pancake load, as well as analysis of its characteristics as determined through experiments. A HTS power supply consists of two heaters, an electromagnet, a Bi-2223 solenoid, and a Bi-2223 series-connected double-pancake load of 6.0 mH. The timing sequential control of two heaters and an electromagnet is an important factor to generate pumping-current in the pancake load. The thermal analysis of switching parts of the Bi-2223 solenoid according to the heater input was carried out. Based upon the analysis, the 8 A electromagnet current and the 1.5 A dc heater current were optimally derived, and 8 s and 20 s for the pumping period were selected in this experiment. In the experiment, the maximum pumping current reached about 24 A.

Original language	English
Pages (from-to)	650-653
Number of pages	4
Journal	IEEE Transactions on Applied Superconductivity
Volume	14
Issue number	2
DOIs	https://doi.org/10.1109/TASC.2004.830017
Publication status	Published - 2004 Jun

Bibliographical note

Funding Information:
Manuscript received October 21, 2003. This work was supported by the Basic Research Program of the Korean Science and Engineering Foundation under Grant R05-2001-000-00960-0. Y. S. Kim, M. C. Kim, D. K. Bae, M. C. Ahn, W. Y. Cheon, and T. K. Ko are with the Department of Electrical and Electronic Engineering, Yonsei University, Seoul 120-749, Korea (e-mail: ysikkim@yonsei.ac.kr). Y. S. Yoon is with the Department of Electrical Engineering, Ansan College of Technology, Ansan 425-792, Korea (e-mail: ysyoon@ansantc.ac.kr). Digital Object Identifier 10.1109/TASC.2004.830017

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.2004.830017

Cite this

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title = "Determination of heater triggering parameters of superconducting power supply with series-connected double-pancake load",

abstract = "This paper presents determination of heater triggering parameters of high-Tc superconducting (HTS) power supply with series-connected double-pancake load, as well as analysis of its characteristics as determined through experiments. A HTS power supply consists of two heaters, an electromagnet, a Bi-2223 solenoid, and a Bi-2223 series-connected double-pancake load of 6.0 mH. The timing sequential control of two heaters and an electromagnet is an important factor to generate pumping-current in the pancake load. The thermal analysis of switching parts of the Bi-2223 solenoid according to the heater input was carried out. Based upon the analysis, the 8 A electromagnet current and the 1.5 A dc heater current were optimally derived, and 8 s and 20 s for the pumping period were selected in this experiment. In the experiment, the maximum pumping current reached about 24 A.",

author = "Kim, {Yeong Sik} and Yoon, {Yong Soo} and Kim, {Min Cheol} and Bae, {Duck Kweon} and Ahn, {Min Cheol} and Cheon, {Woo Yong} and Ko, {Tae Kuk}",

note = "Funding Information: Manuscript received October 21, 2003. This work was supported by the Basic Research Program of the Korean Science and Engineering Foundation under Grant R05-2001-000-00960-0. Y. S. Kim, M. C. Kim, D. K. Bae, M. C. Ahn, W. Y. Cheon, and T. K. Ko are with the Department of Electrical and Electronic Engineering, Yonsei University, Seoul 120-749, Korea (e-mail: ysikkim@yonsei.ac.kr). Y. S. Yoon is with the Department of Electrical Engineering, Ansan College of Technology, Ansan 425-792, Korea (e-mail: ysyoon@ansantc.ac.kr). Digital Object Identifier 10.1109/TASC.2004.830017",

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AU - Bae, Duck Kweon

AU - Ahn, Min Cheol

AU - Cheon, Woo Yong

AU - Ko, Tae Kuk

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N2 - This paper presents determination of heater triggering parameters of high-Tc superconducting (HTS) power supply with series-connected double-pancake load, as well as analysis of its characteristics as determined through experiments. A HTS power supply consists of two heaters, an electromagnet, a Bi-2223 solenoid, and a Bi-2223 series-connected double-pancake load of 6.0 mH. The timing sequential control of two heaters and an electromagnet is an important factor to generate pumping-current in the pancake load. The thermal analysis of switching parts of the Bi-2223 solenoid according to the heater input was carried out. Based upon the analysis, the 8 A electromagnet current and the 1.5 A dc heater current were optimally derived, and 8 s and 20 s for the pumping period were selected in this experiment. In the experiment, the maximum pumping current reached about 24 A.

AB - This paper presents determination of heater triggering parameters of high-Tc superconducting (HTS) power supply with series-connected double-pancake load, as well as analysis of its characteristics as determined through experiments. A HTS power supply consists of two heaters, an electromagnet, a Bi-2223 solenoid, and a Bi-2223 series-connected double-pancake load of 6.0 mH. The timing sequential control of two heaters and an electromagnet is an important factor to generate pumping-current in the pancake load. The thermal analysis of switching parts of the Bi-2223 solenoid according to the heater input was carried out. Based upon the analysis, the 8 A electromagnet current and the 1.5 A dc heater current were optimally derived, and 8 s and 20 s for the pumping period were selected in this experiment. In the experiment, the maximum pumping current reached about 24 A.

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Determination of heater triggering parameters of superconducting power supply with series-connected double-pancake load

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