Design and Experimental Results of a 3 Phase 30 m HTS Power Cable
Applied Superconductivity, IEEE Transactions(2006)
摘要
HTS power cables appear to be the replacement and retrofitting of underground cable in urban areas and HTS power cable offers a number of technical and economic merits compared to normal conductor cable system. A 3 phase 22.9 kV, 50 MVA class HTS power cable system have been developed by Korea Electrotechnology Research Institute (KERI), LS Cable Ltd. and Korea Institute of Machinery and Materials (KIMM) that is one of 21st century frontier project in Korea. The 30 m long cable with 3 cores in 1 cryostat has been manufactured and installed to conduct long-term reliability test. The HTS power cable consists of two layers of phase conductor and two layers of shield used Ag/Bi-2223 tapes and polypropylene laminated paper is used in LN2 as electrical insulation. A HTS power cable has been tested with DC and rated current and voltage in pressurized liquid nitrogen. The evaluation results clarify good performance of HTS cable and these results prove that the HTS power cable has the basic electrical properties for 22.9 kV HTS power cable. This paper describes the results of developmental the 30 m, 3 phase, 22.9 kV, 50 MVA HTS power cable in Korea
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关键词
pressurized liquid nitrogen,22.9 kv,multi-layer,superconducting tapes,three-phase high-temperature superconducting power cable,high-tc superconducting (hts) power cable,nitrogen,phase conductor,korea electrotechnology research institute,underground cable,korea institute of machinery and materials,superconducting cables,long-term reliability test,three phase,polypropylene laminated paper,power cable testing,50 mva,ls cable ltd.,electrical insulation,paper,reliability,high-temperature superconductors,power cable insulation,cryostats,ag/bi-2223 tapes,ac loss,cryostat,cable testing,testing,experimental design,modernisation,modernization,durability,liquid nitrogen,comparative study,high temperature superconductor,high temperature superconductors
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