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フルテキストURLA030052000202.pdf ( 938.1KB ) 公開日 2010-04-19
タイトル大型CIC 超電導導体の長時定数交流損失
タイトルヨミオオガタ CIC チョウデンドウ ドウタイ ノ チョウジ テイスウ コウリュウ ソンシツ
タイトル別表記AC losses with long time constants in a large CIC superconductor
作成者浜島, 高太郎
島村, 浩史
角正, 陽平
津田, 理
原田, 直幸
作成者ヨミハマジマ, タカタロウ
シマムラ, ヒロシ
カクショウ, ヨウヘイ
ツダ, マコト
ハラダ, ナオユキ
作成者別表記Hamajima, Takataro
Shimamura, Hiroshi
Kakusho, Youhei
Tsuda, Makoto
Harada, Naoyuki
作成者所属山口大学工学部
内容記述(抄録等)A large superconducting coil wound with Cable-in-Conduit (CIC) conductor caused an additional AC loss which cannot be estimated from short conductor sample test results. It was confirmed that the additional AC loss was generated by long current loops in the CIC conductor. We propose a mechanism forming the long loops. If one strand on the surface of a sub-cable contacts with the other strand on the surface of the adjacent sub-cable, the two strands must encounter each other again at LCM (Least Common Multiplier) distance of all staged cable pitches and thereby result in forming a pair of a long loop. The long time constants of long loops were calculated. We orderly labeled all strands in a real CIC conductor, disassembling carefully the cable after peeling the conduit. It was found that the strands in a triplex were widely displaced from their original positions, and thereby their contacting lengths became longer than calculated ones. This fact makes the time constant of loop longer and hence can explain the observed long time constants.
本文言語jpn
著者キーワードAC loss
coupling loss
cable-in-conduit
twist pitch
long time constant
主題工学
資料タイプtext
ファイル形式application/pdf
出版者山口大学工学部
出版者ヨミヤマグチ ダイガク コウガクブ
NII資料タイプ紀要論文
ISSN1345-5583
NCIDAA11422756
学内刊行物(紀要等)山口大学工学部研究報告
掲載誌名山口大学工学部研究報告
掲載誌名別表記Memoirs of the Faculty of Engineering, Yamaguchi University
52
2
開始ページ101
終了ページ105
発行日2002-03
関連情報URL(IsPartOf)http://memoirs.lib-e.yamaguchi-u.ac.jp/
著者版/出版社版出版社版
リポジトリIDA030052000202
地域区分山口大学
URIhttp://www.lib.yamaguchi-u.ac.jp/yunoca/handle/A030052000202