Development of HTS power transmission cables

The Siemens company is developing a high-temperature superconducting (HTS) 110 kV/400 MVA cable for future power transmission systems in densely populated areas. The cable consists of coaxial conductors made of 2223 BPSCCO multifilament tapes, a LN2-high-voltage insulation, a flexible cryostat, terminations and a LN2 cooling system. This paper gives an overview on the project status.

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