This is also the fastest IPMSM built with commercialized lamination materials.
Developed in-house, the program evaluated 90 such designs and then selected the top 50 percent of them to generate new designs, and the iterative process was repeated till the desired optimum was reached. The final motor used by the researchers is the 120th generation that was analyzed by the program.
What they achieved was the absolute maximum speed of 100,000 revolutions per minute and a peak power density of 7kW per kilogram, the press release said. This is also twice the existing high-speed record of laminated , which are used in traction drives of EVs, making it the fastest IPMSM ever built."For an electric vehicle motor, we would actually reduce the speed somewhat, but that also increases its power," said Guoyu Chu, a post-doctoral researcher who worked on the project.
Apart from EVs, the motor could be used in large heating, ventilation, and air-conditioning systems that use high-speed compressors as well as high-precision CNC machines. The motor can also be deployed inside aircraft engines as an Integrated Drive Generator to provide power to electrical systems.
The researchers are confident that their motor can be quickly commercialized, bringing its advantages to the market sooner than we can anticipate. "If an electric vehicle manufacturer, like Tesla, wanted to use this motor, then I believe it would only take around six to 12 months to modify it based on their specifications," Chu added in the press release.
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