NDLI: Design and Evaluation of 66 kV Class HTS Power Cable Using REBCO Wires

Content Provider	IEEE Xplore Digital Library
Author	Ohya, M. Setoguchi, T. Yumura, H. Masuda, T. Amemiya, N. Maruyama, O. Ohkuma, T.
Copyright Year	2002
Abstract	High temperature superconducting (HTS) cables achieve large power capacity and low-loss power transmission in a compact package. In a new Japanese national project, Sumitomo Electric Industries, Ltd. is working to develop a 66 kV-5 kArms HTS cable with REBCO wires. One of the important technical targets is to reduce AC loss to less than 2 W/m/ph at 5 kArms. To investigate the effect of wire width on the AC losses in multi-layer cable conductors, 30-mm-wide REBCO tapes were divided into 4-mm-wide or 2-mm-wide strips, and two 4-layer cable conductors were manufactured with these strips. The measured AC loss characteristics of the two cable conductors were comparable. The measured AC loss in the cable conductor with 4-mm-wide wire was in good agreement with numerical calculations. However, the AC loss in the cable conductor with 2-mm-wide wires was larger than the numerical prediction. The difference may be due to the wires' non-uniform J_c distribution in the width direction, because the AC losses in cable conductors with narrow wires are strongly influenced by the J_c profiles of the wires. AC loss simulations assuming that the wire's I_c will be higher show that a 14000 A-I_c class cable with 4-mm-wide wires is expected to achieve the AC loss target. For cables with 2-mm-wide wires, the improvement of J_c distribution in the width direction will reduce the AC loss level, and the goal will be achieved with lower I_c wires.
Sponsorship	Council on Superconductivity Appl. Superconductivity Conference Inc MIT
Starting Page	1009
Ending Page	1012
Page Count	4
File Size	615851
File Format	PDF
ISSN	10518223
Volume Number	21
Issue Number	3
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-06-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wires Conductors High temperature superconductors Loss measurement Mechanical cables Numerical models Substrates superconducting cables AC loss coated conductors high temperature superconductors
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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