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TT: Fachverband Tiefe Temperaturen

TT 51: Focus Session: Electric Power Applications of Superconductivity

TT 51.5: Topical Talk

Mittwoch, 18. März 2015, 11:45–12:15, H 0104

Advanced Superconducting Power Cable for MV Urban Power Supply — •Frank Schmidt¹, Frank Merschel², and Mathias Noe³ — ¹Nexans Deutschland GmbH, Hannover — ²RWE Deutschland AG, Essen — ³Karlsruhe Institute of Technology, Karlsruhe

In recent years the technology of superconducting power cable systems has progressed such that the technical hurdles preparing for commercial applications have been mastered. Several field tests of large scale prototypes for the applications of superconducting cables as well as superconducting fault current limiters have been successfully accomplished and the technology of such systems is ready for commercialization. The presentation will give a detailed overview of the German AmpaCity project. An overview will be given on the development, manufacturing and installion of the 10 kV, 40 MVA HTS system consisting of a fault current limiter and of a 1 km cable in the city of Essen. Since it is the first time that a one kilometer HTS cable system is installed together with an HTS fault current limiter in a real grid application between two substations within a city center area, AmpaCity serves as a lighthouse project. In addition it is worldwide the longest installed HTS cable system so far. It is expected that relatively large technical advances will be made in the future of the comparatively new HTS technology, which in turn will bring associated cost reductions. For this reason, the AmpaCity pilot project in the downtown area of Essen in Germany will be an important step on the way to achieving more widespread application of HTS technology.