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36.5 megawatt (49,000 horsepower) superconductor ship propulsion motor tested


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American Superconductor
: 14 January, 2009  (Special Report)
American Superconductor and Northrop Grumman today announced that full-power testing of the Navy’s 36.5 megawatt (49,000 horsepower) superconductor ship propulsion motor has been successfully completed.
Superconductor motors are now ready for deployment. This is the first motor successfully tested to the full power and torque requirements for the Navy’s DDG 1000 surface combatant. And, at 36.5 megawatts, the motor doubled the Navy’s previous power rating test record.


Adoption of superconductor technology by the Navy is now beginning:

· Utilizing high temperature superconductor (HTS) wire that conducts up to 150 times the amount of power of similar sized copper wire, this motor is less than half the size and the weight of conventional 36.5 MW motors.

· The motor opens new design options, enabling the introduction of an integrated “multi-function” electrical power system that powers both ship propulsion and high power electric weapon systems. It also frees up critical space and weight margin for additional military payload and capabilities.

· AMSC expects superconductor motors will not only be used on Navy ships but also on commercial vessels, such as cruise liners and LNG tankers.

· The U.S. Navy recently deployed a superconductor degaussing coil system onboard the USS Higgins (DDG 76). This degaussing system is currently undergoing sea trials.
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