Design and test of a high-Tc superconducting power conversion system with the GdBCO Magnet

Hyun Chul Jo, Young Gun Park, Yoon Do Chung, Ho Min Kim, Tae Kuk Ko, Yong Soo Yoon

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

This paper describes the design and test of a high-Tc Superconducting (HTS) power conversion system with the GdBCO magnet and presents its operational characteristics through tests. The HTS power conversion system can be employed to charge and discharge an Energy Storage Magnet (ESM). The HTS power conversion system consists of two heaters, a transformer, and a GdBCO pancake magnet. The energy stored in the dc magnet is converted to ac power via a transformer consisting of an HTS secondary and a normal copper primary. The timing sequential control and thermal transition of heaters are important factors to generate charging and discharging in ESM. In this paper, we verified the feasibility of the HTS power conversion system and obtained the design and manufacturing techniques for scale-up of the system. Based upon the tests, the operating current of 12 A in the transformer and the heater current was optimally derived. Themagnetic energy was stored about 46.7 J. In discharging test, the system was converted from dc to ac power at 0.5 Hz and 1 Hz. The efficiency of the system reached about 96%.

Original languageEnglish
Article number6675820
JournalIEEE Transactions on Applied Superconductivity
Volume24
Issue number3
DOIs
Publication statusPublished - 2014 Jan 1

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Magnets
magnets
heaters
transformers
energy storage
Energy storage
sequential control
charging
Copper
manufacturing
time measurement
copper
energy

All Science Journal Classification (ASJC) codes

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

Cite this

Jo, Hyun Chul ; Park, Young Gun ; Chung, Yoon Do ; Kim, Ho Min ; Ko, Tae Kuk ; Yoon, Yong Soo. / Design and test of a high-Tc superconducting power conversion system with the GdBCO Magnet. In: IEEE Transactions on Applied Superconductivity. 2014 ; Vol. 24, No. 3.
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Design and test of a high-Tc superconducting power conversion system with the GdBCO Magnet. / Jo, Hyun Chul; Park, Young Gun; Chung, Yoon Do; Kim, Ho Min; Ko, Tae Kuk; Yoon, Yong Soo.

In: IEEE Transactions on Applied Superconductivity, Vol. 24, No. 3, 6675820, 01.01.2014.

Research output: Contribution to journalArticle

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