Charging behavior in no-insulation REBCO pancake coils

Xudong Wang*, Tao Wang, Erika Nakada, Atsushi Ishiyama, Ryusei Itoh, So Noguchi

*この研究の対応する著者

研究成果: Article査読

24 被引用数 (Scopus)

抄録

This paper presents analytical studies on the charging characteristics of a no-insulation (NI) REBCO pancake coil. A partial element equivalent circuit (PEEC) model has been developed to evaluate the local current paths in NI REBCO pancake coils. The PEEC model is able to consider the asymmetry of the coil winding, the partial turn-to-turn contact electrical resistance, and the partial self and mutual inductances. The analysis results are compared with previous charging experimental results and simulations using a simplified parallel equivalent circuit (SPEC) model to validate the proposed approach with the PEEC model. To investigate the charging characteristics of a meter-class NI REBCO pancake coil, numerical simulations were performed by using the PEEC and SPEC models as a parameter of the turn-to-turn contact electrical resistance. In addition, the magnetic field in a 3-T NI REBCO coil was calculated by the SPEC model to clarify the charging delay of a practical scale magnet.

本文言語English
論文番号6939656
ジャーナルIEEE Transactions on Applied Superconductivity
25
3
DOI
出版ステータスPublished - 2015 6月 1

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 凝縮系物理学
  • 電子工学および電気工学

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