Hauppauge, N.Y.-based American Superconductor Corp. (AMSC), Long Island Power Authority (LIPA) and the U.S. Department of Energy have announced the commissioning of the world's first high-temperature superconductor (HTS) power transmission cable system in a commercial power grid.
The 138 kV system, which consists of three individual HTS power cable phases running in parallel, is operating successfully in LIPA's Holbrook transmission right of way. The HTS cable system installed in LIPA's power grid contains hair-thin, ribbon-shaped HTS wires that conduct 150 times the electricity of similar copper wires.
In addition, AMSC is leading the development of an extension of LIPA's HTS cable system. The new project calls for the replacement of one of the existing HTS cable system's phases with a 600-meter-long cable made with AMSC's proprietary superconductors.
In addition to being the manager for this turnkey project, AMSC will supply approximately 60,000 meters of its second-generation HTS wire needed to manufacture the power cable.
SOURCE: American Superconductor Corp.