MIT’s Compact Megawatt Electric Motor Could Help Electrify Aviation — Technology demonstrations |
MIT aeroengineers are creating a 1-megawatt electrical motor that is a stepping stone toward electrifying commercial airliners. Pictured are some industrial concepts for hybrid-electric aircraft. Credit: @Airbus SAS 2023engineers are developing a compact, lightweight, and powerful 1-megawatt electric motor that could enable the electrification of commercial aircraft. After successfully designing and testing individual components, full testing of the assembled motor is planned for the fall.
The MIT megawatt motor comprises key enabling technologies: a high-speed permanent magnet outer rotor, a low loss tooth-and-slot stator, an advanced heat exchanger, and integrated, high-performance power electronics. Credit: Courtesy of the researchers “There is no silver bullet to make this happen, and the devil is in the details,” Spakovszky says. “This is hard engineering, in terms of co-optimizing individual components and making them compatible with each other while maximizing overall performance. To do this means we have to push the boundaries in materials, manufacturing, thermal management, structures and rotordynamics, and power electronics.
“Heavy stuff doesn’t go on airplanes,” Spakovszky says. “So we had to come up with a compact, lightweight, and powerful architecture.”As designed, the MIT electric motor and power electronics are each about the size of a checked suitcase weighing less than an adult passenger.
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