A study on the winding method for reducing joints of the high temperature superconducting double pancake coil

J. S. Kang, H. C. Jo, J. Y. Jang, Y. J. Hwang, J. Lee, W. S. Lee, Y. G. Park, T. K. Ko

Research output: Contribution to journalArticle

Abstract

A double pancake winding method is widely used to make the superconducting magnet, using high temperature superconductor (HTS) tape. In the double pancake winding method, the joints with contact resistances between double pancake coils are inevitably needed. The electrical joule heating on the contacts causes refrigerant loss during operation. And a space outside the winding, for splices and mechanical support, is more than that for its layer-wound equivalent. In this paper, a double pancake winding method in order to reduce the number of the joints was proposed. Both of the double pancake coils using the conventional winding method and the proposed winding method have been fabricated and tested to make the solution technically feasible in the double pancake winding method. Especially, critical-current tests of the fabricated double pancake coils were conducted in order to show the same performance and confirm contact resistances between double pancake coils.

Original languageEnglish
Pages (from-to)30-33
Number of pages4
JournalJournal of the Korea Institute of Applied Superconductivity and Cryogenics
Volume14
Issue number1
DOIs
Publication statusPublished - 2012 Mar

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

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