Analysis of the Notch Effect on Flux Diverters for High-Temperature Superconducting Magnets

Seunghyun Song, Woo Seung Lee, Young Gun Park, Seokho Nam, Haeryong Jeon, Geonwoo Baek, Min Cheol Ahn, Jiho Lee, Yojong Choi, Tae Kuk Ko

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)


Flux diverters made of ferromagnetic materials can be used in high-temperature superconducting (HTS) magnets to change the magnetic field distribution and increase the critical current of the magnet. In this paper, the notch-shaped flux diverter increases the critical current of the HTS magnet by detouring the magnetic flux more effectively than the flat surface-shaped (simple) flux diverter. Numerical analyses are carried out to calculate the critical current using the simple-shaped and the notch-shaped flux diverters. Then, experiments are conducted to verify the results of the numerical analyses. As a result, the HTS coil with a notch-shaped flux diverter shows the increased critical current.

Original languageEnglish
Article number7431974
JournalIEEE Transactions on Applied Superconductivity
Issue number4
Publication statusPublished - 2016 Jun

Bibliographical note

Publisher Copyright:
© 2015 IEEE.

All Science Journal Classification (ASJC) codes

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


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