First ship propulsion motor based on HTS superconductor.(BUSINESS TRENDS)

The world's first 36.5 megawatt (49,000 horsepower) high-temperature superconductor ship propulsion motor has been built at Northrop Grumman's facility at the Philadelphia Naval Business Center. The motor was designed, developed, and manufactured under a contract from the U.S. Navy's Office of Naval Research, reports American Superconductor Corp. (AMSC), Westborough, Mass. The power and torque of this HTS motor is comparable to the requirements for the Navy's new Zumwalt class of destroyers, known as DDG 1000. In comparison with the conventional copper-wire motors on the first two