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The Holbrook Superconductor Project is the world's first production superconducting transmission power cable. [1] The lines were commissioned in 2008. [2] The suburban Long Island electrical substation is fed by a 600 meter long tunnel containing approximately 155,000 meters of high-temperature superconductor wire manufactured by American Superconductor, installed underground and chilled to ...
Critical temperature T c, the temperature below which the wire becomes a superconductor; Critical current density J c, the maximum current a superconducting wire can carry per unit cross-sectional area (see images below for examples with 20 kA/cm 2). Superconducting wires/tapes/cables usually consist of two key features:
The suburban Long Island electrical substation is fed by a 2,000 foot (600 m) underground cable system which consists of about 99 miles (159 km) of high-temperature superconductor wire manufactured by American Superconductor chilled to −371 °F (−223.9 °C; 49.3 K) with liquid nitrogen, [dubious – discuss] greatly reducing the cost ...
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American Superconductor Corporation (AMSC) is an American energy technologies company headquartered in Ayer, Massachusetts.The firm specializes in using superconductors for the development of diverse power systems, including but not limited to superconducting wire.
A superconductor can be Type I, meaning it has a single critical field, above which all superconductivity is lost and below which the magnetic field is completely expelled from the superconductor; or Type II, meaning it has two critical fields, between which it allows partial penetration of the magnetic field through isolated points. [32]