Superconductoring Cable Energized in Korea's Power Grid
Korea Electric Power Corp. (KEPCO), LS Cable & System and American Superconductor Corp. (AMSC) announce that the world's longest distribution-voltage superconductor cable system has been energized at the I'cheon substation, located near the city of Seoul.
Powered by AMSC's Amperium superconductor wire and installed in KEPCO's electric grid, the 22.9-kV alternating current (AC) cable system is capable of carrying approximately 50 MW. This is the first cable in the world using second-generation superconductor wire to be energized in the grid and is currently the longest distribution voltage superconductor power cable in operation.
AC superconductor power cable systems can conduct up to 10 times the amount of power of conventional cables made with copper wire. As demonstrated at the I'cheon substation installation, they can be placed strategically in urban power grids to deliver more power than conventional cables in the same right-of-way to mitigate grid congestion or can be used to replace overhead lines.
For more information, visit www.amsc.com.
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