Effects of Stabilizer Thickness of 2G HTS Wire on the Design of a 1.5-MW-Class HTS Synchronous Machine

Ji Hyung Kim, Thanh Dung Le, Do Jin Kim, Chang Jin Boo, Young Sik Jo, Yong Soo Yoon, Kyung Yong Yoon, Yoon Hyuck Choi, Haigun Lee, Ho Min Kim

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)


In general, a metallic stabilization layer is overcoated on the outermost layer of a second-generation high-temperature superconducting (2G HTS) wire to stably transfer current against thermal and magnetic disturbances. Stabilizer thickness Ts is one of the key issues in an HTS synchronous machine (HTSSM) application because it strongly affects the electrical output performance of the machine and the stable operation and reliable protection of the HTS field coil. In this paper, a design and characteristic analysis for manufacturing a 1.5-MW-class HTSSM was performed using a 2-D analytical design code and a 3-D finite-element method. Various Ts values were considered in the HTS field-coil design to investigate their effects on the stability and protection of the HTS coil and the back-electromotive force of the machine. The design parameters are also discussed to determine suitable Ts for the 2G HTS wire.

Original languageEnglish
Article number7445828
JournalIEEE Transactions on Applied Superconductivity
Issue number4
Publication statusPublished - 2016 Jun


  • Adiabatic superconducting magnets
  • Cu stabilizer thickness
  • heating duration
  • phase back-electromotive force
  • stability margin

ASJC Scopus subject areas

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


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