Ac loss properties of a 1MVA single-phase HTS power transformer

Masataka Iwakuma, Kazuo Funaki, Kazuhiro Kajikawa, Hideki Tanaka, Takaaki Bohno, Akira Tomioka, Hisao Yamada, Shinichi Nose, Masayuki Konno, Yujiro Yagi, Hiroshi Maruyama, Takenori Ogata, Shigeru Yoshida, Kouichi Ohashi, Katsuya Tsutsumi, Kazuo Honda

研究成果: Contribution to journalConference article査読

69 被引用数 (Scopus)

抄録

We designed and built a single-phase 1 MVA-22/6.9 kV HTS transformer with the multi-layered cylindrical windings composed of Bi2223 parallel conductors. In advance of the design, the ac loss induced in the windings was estimated on the basis of the observed results in a strand. A subcooled liquid nitrogen cryogenic system with the corresponding cooling capacity was developed and attached to the transformer. The actual ac loss was measured by an electrical method. It was a great part of the total heat load and dominated the temperature rise of subcooled liquid nitrogen. We discussed the validity of the present estimation procedure of the ac loss in the windings as compared with the observed results.

本文言語英語
ページ(範囲)1482-1485
ページ数4
ジャーナルIEEE Transactions on Applied Superconductivity
11
1 II
DOI
出版ステータス出版済み - 3 2001
イベント2000 Applied Superconductivity Conference - Virginia Beach, VA, 米国
継続期間: 9 17 20009 22 2000

All Science Journal Classification (ASJC) codes

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

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