Validation of the high performance conduction-cooled prototype LTS pulse coil for UPS-SMES

Toshiyuki Mito, Akifumi Kawagoe, Hirotaka Chikaraishi, Ryuji Maekawa, Kagao Okumura, Ryo Abe, Tomosumi Baba, Tsutomu Hemmi, Masataka Iwakuma, Mitsuhiro Yokota, Hideki Ogawa, Yoshitaka Morita, Kenji Yamauchi, Atsuko Kuge, Fumio Sumiyoshi

研究成果: Contribution to journalArticle査読

10 被引用数 (Scopus)

抄録

A conduction-cooled low temperature superconducting (LTS) pulse coil has been developed as a key technology for UPS-SMES. We have been developing a 1 MW, l s UPS-SMES for a protection from a momentary voltage drop and an instant power failure. A conduction-cooled LTS pulse coil has excellent characteristics, which are adequate for a short-time uninterruptible power supply (UPS). The LTS coil has better cost performance over the HTS coil at present and the conduction cooling has higher reliability and easier operation than the conventional cooling schemes such as pool boiling with liquid helium or forced flow of supercritical helium. To demonstrate the high performances of the LTS pulse coil, we have fabricated a prototype coil with stored energy of 100 kj and have conducted cooling and excitation tests. The successful performance test results including current shut-off test with a time constant of 1.3 s and repeated excitation of a triangular waveform with high ramp rate are reported.

本文言語英語
論文番号1642922
ページ(範囲)608-611
ページ数4
ジャーナルIEEE Transactions on Applied Superconductivity
16
2
DOI
出版ステータス出版済み - 6 2006

All Science Journal Classification (ASJC) codes

  • 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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