SUPERCONDUCTING FAULT-CURRENT LIMITER FOR 200-VRMS-CLASS CIRCUITS USING YBA2CU3OX THIN-FILM BY CHEMICAL-VAPOR-DEPOSITION

被引：2

作者：

MATSUNO, S

UMEMURA, T

UCHIKAWA, F

HAYASHI, T

MORI, T

IKEDA, B

机构：

[1] MITSUBISHI ELECTR CORP,CENT RES LAB,AMAGASAKI,HYOGO 661,JAPAN

[2] SUPER GM,KITA KU,OSAKA 530,JAPAN

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS | 1995年 / 34卷 / 8A期

关键词：

YBCO THIN FILM; CVD; FAULT-CURRENT LIMITER; PROTECTIVE FILM; PEAK LET-THROUGH CURRENT;

D O I：

10.1143/JJAP.34.L984

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A superconducting fault-current limiter (FCL) for 200-Vrms-class circuits using YBa2Cu3Ox (YBCO) thin film fabricated by chemical vapor deposition (CVD) was investigated, The FCL consisted of a 400-nm-thick YBCO film with meander pattern of 1 mm wide x115 mm long. The film was coated with a protective silver film having a thickness varying between 110 and 130 nm from place to place. Half-cycle alternating voltage (50 Bz) was applied to the FCL device which was immersed in liquid nitrogen (77 K), and a typical current-limiting waveform was measured, When a voltage of 200 Vrms was applied, the fault current with st peak of 400 A was limited to the peak let-through current of 11 A. The beginning time of the current limiting was about 0.1 ms,

引用

页码：L984 / L986

页数：3

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