書誌事項
- タイトル別名
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- Simple Measurement of the AC Transport Current Loss for HTS Conductors Using an Active Power Detection Method
- ユウコウ デンリョクホウ ニ ヨル コウオン チョウデンドウセンザイ ノ コウリュウ ソンシツ ノ カンイ ソクテイ
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Reducing AC loss in superconducting apparatus is one of the most important issues, and the precise measurement and estimation of AC losses are essential to reduce them. The four-terminal method is universally used as an electric measurement method of AC losses for superconducting tapes and wires. In this method, noise and inductive voltage superposed on the terminal voltage of the superconductor are eliminated by a lock-in amplifier and cancel coil, respectively, and then measurement of very small resistive voltage is achieved. However, using this conventional method, a plurality of measuring instruments and apparatus are needed, and therefore the measuring system becomes complicated and much time is consumed in the calibration process. In this paper, we present a simple and precise measurement system based on an active power detection method, which is proposed as a quench detection method. The proposed system consists of a small number of instruments and apparatus and is less susceptible to noise. Its usefulness is verified by comparing the proposed method and the conventional four-terminal method in measuring the AC transport current loss of a Bi2223/Ag tape.
収録刊行物
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- 低温工学
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低温工学 40 (10), 420-424, 2005
公益社団法人 低温工学・超電導学会 (旧 社団法人 低温工学協会)
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詳細情報 詳細情報について
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- CRID
- 1390282679590827904
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- NII論文ID
- 130004457165
- 10016379565
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- NII書誌ID
- AN00333419
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- COI
- 1:CAS:528:DC%2BD2MXht1yjtb3J
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- ISSN
- 18800408
- 03892441
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- NDL書誌ID
- 7718977
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
- KAKEN
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- 抄録ライセンスフラグ
- 使用不可
