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Development of the 22.9-kV class HTS power cable in LG cable

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8 Author(s)
Do-Woon Kim ; LG Cable Ltd, Anyangsi, South Korea ; Jang, H.-M. ; Chi-Ho Lee ; Ji-Hwan Kim
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Since 2001, LG Cable has been developing the HTS cable system as a member of national DAPAS project. In 2003, 30 m long cold dielectric HTS cable with 22.9 kV, 1260 Arms with single core was fabricated to validate the design concept and long-term performance for 4 months. In this year, 30 m long cable with 3 cores in 1 cryostat has been fabricated and installed to conduct long-term reliability test. At this time, the evaluation of basic properties has been completed and long-term test is in progress. Also, a termination to connect with other conventional power equipment and a cryogenic refrigeration system has been developed concurrently. This paper describes the design, fabrication, and evaluation processes of these two cable systems and gives a chance to take the interim examination of this project through the analysis of test results. In next stage, LG cable plant to develop a splice for a long length cable, a cooling system with high efficiency and capacity, and 154 kV HTS cable system.

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Applied Superconductivity, IEEE Transactions on  (Volume:15 ,  Issue: 2 )