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ultium drive Ultium Drive - GM's New Power Train Lineup
G. David Felt posted a topic in General Motors
GM announced today their new family of EV motors, The Ultium Drive family. The Ultium Drive family is made up of five interchangeable drive units and three motors. This will help transition the current portfolio of auto's to fully electric lineup. Performance, scale, speed to market and manufacturing efficiencies will provide GM significant advantages over past EV auto's. GM is leading the way with industry class leading drive units that use an electric motor and single-speed transmissions to apply power best in class horsepower and torque. Ultium Drives will be more responsive than internal combustion motors with precision torque control of the motors and smooth performance. The design and development of the Ultium Drive modular architecture allows us to offer industry-leading torque with power density across a wide spectrum of different vehicles types. GM has applied their 25 years of EV experience in creating the Ultium Drive family with lighter and more efficient designs. The Ultium Drive family integrates the power electronics into the drive units assemblies allowing for a 50% reduction in electronics over previous auto's thus saving cost and packaging space while increasing capability by 25 percent. To Quote GM press release: “As with other propulsion systems that are complex, capital intensive and contain a great deal of intellectual property, we’re always better off making them ourselves,” said Adam Kwiatkowski, GM executive chief engineer, Global Electrical Propulsion. “GM’s full lineup of EVs should benefit from the simultaneous engineering of Ultium Drive. Our commitment to increased vertical integration is expected to bring additional cost efficiency to the performance equation.” Ultium-Drive-to-Help-Power-GMs-All-Electric-Future.mp4 https://media.gm.com/media/us/en/gm/home.detail.html/content/Pages/news/us/en/2020/sep/0916-ultium-drive.html
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