DocumentCode
1544096
Title
Diagnosis of electric cable insulation by high Tc SQUID
Author
Tanaka, S. ; Inadomi, K.
Author_Institution
Ecological Eng., Toyohashi Univ. of Technol., Japan
Volume
9
Issue
2
fYear
1999
fDate
6/1/1999 12:00:00 AM
Firstpage
4373
Lastpage
4376
Abstract
We have developed the wide band electronics for SQUID and measured short pulse currents simulating a signal in a degraded power electric cable. The SQUID driving electronics had a bandwidth as wide as 1.4 MHz and it could successfully detect currents of 3 /spl mu/A with the width of 120 nsec. These results suggested that SQUIDs can be applied to the partial discharge measurement of power cables.
Keywords
SQUIDs; electric current measurement; high-temperature superconductors; insulation testing; partial discharge measurement; power cable insulation; power cable testing; 1.4 MHz; 120 ns; 3 muA; SQUID; electric power cable; high T/sub c/ superconductor; insulation diagnosis; partial discharge measurement; pulse current measurement; wideband electronics; Cable insulation; Current measurement; Degradation; Electric variables measurement; Partial discharge measurement; Power cables; Power measurement; Pulse measurements; SQUIDs; Wideband;
fLanguage
English
Journal_Title
Applied Superconductivity, IEEE Transactions on
Publisher
ieee
ISSN
1051-8223
Type
jour
DOI
10.1109/77.783993
Filename
783993
Link To Document