Efficient finite element analysis of electromagnetic properties in multi-layer superconducting power cables

Shoichi Honjo*, Natsuro Hobara, Yoshihisa Takahashi, Hiroshi Hashimoto, Katsuyuki Narita, Takashi Yamada

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

11 Citations (Scopus)


It is highly beneficial to reduce AC losses in multi-layer superconducting power cables. For this purpose, each superconducting layer is wound with a different twist pitch on a former so as to balance current distribution among layers. Finite element analysis makes it possible to show electromagnetic properties in superconducting layers visually, which is useful for discussing methods to enable further loss reduction. However, making a numerical analysis model of a multi-layer cable which is faithful to its geometry is highly complicated and troublesome as the model requires a correction each time the set of twist pitches needs to be changed. The authors have developed a new method to analyze such a cable by introducing anisotropy on the conductivity. In this paper, the method and the effects are discussed and compared with experimental results.

Original languageEnglish
Pages (from-to)1894-1897
Number of pages4
JournalIEEE Transactions on Applied Superconductivity
Issue number2 II
Publication statusPublished - 2003 Jun
Externally publishedYes
Event2002 Applied Superconductivity Conference - Houston, TX, United States
Duration: 2002 Aug 42002 Aug 9


  • Current distribution
  • Numerical analysis
  • Power transmission cables
  • Superconducting cables
  • Superconductors (high-temperature)

ASJC Scopus subject areas

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


Dive into the research topics of 'Efficient finite element analysis of electromagnetic properties in multi-layer superconducting power cables'. Together they form a unique fingerprint.

Cite this