NDLI: Verification tests of a 100 m high-Tc superconducting cable

Content Provider	IEEE Xplore Digital Library
Author	Masuda, T. Hirose, M. Isojima, S. Honjo, S. Takahashi, Y. Suzuki, H.
Copyright Year	2002
Description	Author affiliation: Sumitomo Electr. Ind. Ltd., Japan (Masuda, T.; Hirose, M.; Isojima, S.)
Abstract	The authors have started a project to develop a 100 m three-core 66 kV/1 kA/114 MVA HTS cable system to certify the manufacturing capability and the practicability of an HTS cable system as actual power system equipment. The HTS cable has three cable cores housed in one cryostat and is cooled by sub-cooled liquid nitrogen (LN/sub 2/). The cable core is composed of a former, superconducting conductor, LN/sub 2/ impregnated polypropylene laminated paper (PPLP) electrical insulation and a superconducting electromagnetic shield. The conductor and the shield are wound spirally with Bi-2223 tapes along the former and insulation respectively. The cable system is composed of a 100 m HTS cable, two splitter boxes, six terminations and two cooling systems. The cable is bent at its center and forms a U-shape. The cable and the apparatuses have been developed and set at CRIEPI's test site and one year long tests including first to fourth term have started since June, 2001. By the end of the year 2001, first and second tests had been completed and third test has been under way. The first cooling tests proved that the cable has good performance in terms of critical current, shield current and heat loss. The second and third cooling tests showed that the cable did not undergo any serious damage during the cooling cycle. Concerning the electrical tests, 40 kV and 1 kA in the three-phase have been loaded successfully to the cable for more than 1300 hours. This paper describes the design of the cable and some test results.
Starting Page	1298
Ending Page	1303
File Size	494868
Page Count	6
File Format	PDF
ISBN	0780375254
DOI	10.1109/TDC.2002.1177667
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-10-06
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Superconducting cables Superconducting films Power cables Cooling Power cable insulation High temperature superconductors Conductors Manufacturing Testing Cable shielding
Content Type	Text
Resource Type	Article

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