World's First High Temperature Superconductor Power Transmission
[2008-7-31]
Tag : Flexible Power Cable
American Superconductor Corporation , Long Island Power Authority (LIPA) and the Department of Energy(DOE) today celebrated the commissioning of the world’s firsthigh temperature superconductor (HTS) power transmission cablesystem in a commercial power grid. The 138,000 volt (138 kV)system, which consists of three individual HTS power cable phasesrunning in parallel, was energized on April 22, 2008 and isoperating successfully in LIPA’s Holbrook transmission rightof way. A ceremony is being held today to commemorate thecompletion of the first phase and kick off the second phase of theproject.
“Long Island Power Authority has a strong interest in thedevelopment of superconductor technologies and is the first utilityin the world to commission an HTS power transmission cablesystem,” said LIPA President and Chief Executive OfficerKevin Law. “We view superconductor power cables as animportant option in our technology portfolio that will help usfurther enhance the reliability of our grid as we meet ourcustomers’ increasing demands for electric power.”
The HTS cable system installed in LIPA’s power grid containshair-thin, ribbon-shaped HTS wires that conduct 150 times theelectricity of similar sized copper wires. This power densityadvantage enables transmission-voltage HTS cables to utilize farless wire and yet conduct up to five times more power – in asmaller right of way – than traditional copper-based cables.When operated at full capacity, the HTS cable system is capable oftransmitting up to 574 megawatts (MW) of electricity, enough topower 300,000 homes.
American Superconductor Corporation , Long Island Power Authority (LIPA) and the Department of Energy(DOE) today celebrated the commissioning of the world’s firsthigh temperature superconductor (HTS) power transmission cablesystem in a commercial power grid. The 138,000 volt (138 kV)system, which consists of three individual HTS power cable phasesrunning in parallel, was energized on April 22, 2008 and isoperating successfully in LIPA’s Holbrook transmission rightof way. A ceremony is being held today to commemorate thecompletion of the first phase and kick off the second phase of theproject.
“Long Island Power Authority has a strong interest in thedevelopment of superconductor technologies and is the first utilityin the world to commission an HTS power transmission cablesystem,” said LIPA President and Chief Executive OfficerKevin Law. “We view superconductor power cables as animportant option in our technology portfolio that will help usfurther enhance the reliability of our grid as we meet ourcustomers’ increasing demands for electric power.”
The HTS cable system installed in LIPA’s power grid containshair-thin, ribbon-shaped HTS wires that conduct 150 times theelectricity of similar sized copper wires. This power densityadvantage enables transmission-voltage HTS cables to utilize farless wire and yet conduct up to five times more power – in asmaller right of way – than traditional copper-based cables.When operated at full capacity, the HTS cable system is capable oftransmitting up to 574 megawatts (MW) of electricity, enough topower 300,000 homes.
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