Application of Superconducting Films to Fault Current Limiter

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概要

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• The applicability of high-T_c-superconducting films to a fault current limiter (FCL) without liquid nitrogen (L-N_2) was investigated. The FCL element consists of a 200-nm-thick YBa_2Cu_3O_<7-X> (YBCO) film having a current-limiting area 4 mm wide and 90 mm long. It is cooled by a refrigerator. When a voltage of 100 V_<rms> (150 A) was applied at 77 K, the YBCO film transitioned to a resistive state at 13 A and the current was limited to 7 A in less than 0.5 ms. At lower temperature, 74 K, the transition current increased to more than 30 A, while the limited current remained less than 9 A. Thus, it was considered that a superior FCL system without L-N_2 could be obtained.

• 社団法人応用物理学会の論文
• 1994-11-15

著者

• Kudo Yuki

  Advanced Research Laboratory R & D Center Toshiba Corporation

• ANDO Ken

  Advanced Research Laboratory,Research and Development Center,Toshiba Corporation

• Terashima Yoshiaki

  Advanced Research Laboratory Toshiba Research And Development Center

• Terashima Yoshiaki

  Advanced Research Laboratory R & D Center Toshiba Corporation

• YAMAZAKI Mutsuki

  Advanced Research Laboratory, R & D Center, Toshiba Corporation

• YOSHINO Hisashi

  Advanced Research Laboratory, R & D Center, Toshiba Corporation

• OSHIMA Sizuo

  Advanced Research Laboratory, R & D Center, Toshiba Corporation

• Yamazaki M

  Advanced Research Laboratory R & D Center Toshiba Corporation

• Yoshino Hisashi

  Advanced Research Laboratory R & D Center Toshiba Corporation

• Oshima S

  Advanced Research Laboratory R & D Center Toshiba Corporation

• Ando Ken

  Advanced Research Laboratory R & D Center Toshiba Corporation

• Oshima Sizuo

  Advanced Research Laboratory R & D Center Toshiba Corporation

関連論文

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• Relationship between Bond Valence Sums and Pressure Effects on T_c of Oxide Superconductors
• Metal-Insulator Transition in Layered-Perovskite Sr_3V_2O_7
• Bond-Valence-Sum Study on Possible Candidates for High-T_c Oxide Superconductors
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• Optical Degradation of a-Si:H films with Different Morphology : Semiconductors and Semiconductor Devices
• Critical Current Density of Wire Type Y-Ba-Cu Oxide Superconductor
• Oxygen Deficiency and Cu Valence States of Supereonducting Y-Ba-Cu Oxide
• Electrically Tunable Superconducting Microstrip Line Band-Pass Filter for Mobile Applications(Microwaves, Superconducting Electronic Devices and Their Applications)
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• Application of Superconducting Films to Fault Current Limiter
• Crystalline Orientation Control for Bi-Sr-Ca-Cu-O Thin Films Prepared on (110)SrTiO_3 by Coevaporation
• Preparation of Ca-Substituted Y-Ba-Cu-O "124" Phase Thin Films by Magnetron Sputtering and Their Thermal Stability
• Phase Control of Bi-Sr-Ca-Cu-O Thin Films Prepared by Coevaporation with RF Oxygen Plasma
• Single-Crystal Growth of Bi_2 (Sr,Ca)_Cu_2O_x and its Superconductivity : Electrical Properties of Condensed Matter
• New Layered Vanadium Oxide with Negative Magnetization, Sr_4V_3O_
• Transport Critical Current Densities in Cation-Deficient Bi_2(Sr, Ca)_3Cu_2O_

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