First High Temp Superconductor Propulsion Motor
The patented 5 megawatt (MW), 230 rpm HTS propulsion motor was designed under contract to the US Navy’s Office of Naval Research (ONR). Its power and speed rating are typical to copper-based electric propulsion motors that are currently used in various commercial ships. This new class of superconductor motors is expected to become a standard for certain military ships. AMSC built the superconductor rotor assembly, including the rotor refrigeration system, for the 5 MW motor. The company’s subcontractor on the project, ALSTOM’s Power Conversion Business, designed and built the copper-based, liquid cooled stator and assembled the motor in its Rugby factory (UK), where the motor has successfully undergone no-load testing. The next stage of testing, which will be under full load, is expected to be completed in June. The 5 MW motor is now being integrated with an ALSTOM VDM 5000 commercial power electronic drive and a dynamometer for load testing. This test will confirm full torque and full speed under load. |  |
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