Turntide Technologies Rethinks Electric Motors To Slash Energy Consumption In Buildings

FrankOVD shares a report from TechCrunch: [F]irms backed by Robert Downey Jr. and Bill Gates are joining investors like Amazon and iPod inventor Tony Fadell to pour money into a company called Turntide Technologies that believes it has the next great innovation in the world's efforts to slow global climate change -- a better electric motor. The operation of buildings is responsible for 40% of CO2 emissions worldwide, Turntide noted in a statement. And, according to the U.S. Department of Energy (DOE), one-third of energy used in commercial buildings is wasted. Smart building technology adds an intelligent layer to eliminate this waste and inefficiency by automatically controlling lighting, air conditioning, heating, ventilation and other essential systems and Turntide's electric motors can add additional savings. Turntide's basic innovation is a software-controlled motor, or switch reluctance motor, that uses precise pulses of energy instead of a constant flow of electricity. "In a conventional motor you are continuously driving current into the motor whatever speed you want to run it at," [CEO Ryan Morris] said. "We're pulsing in precise amounts of current just at the times when you need the torque... It's software-defined hardware." He estimates that the technology is applicable to 95% of where electric motors are used today, but the initial focus will be on smart buildings because it's the easiest place to start and can have some of the largest immediate impact on energy usage. "The carbon impact of what we're doing is pretty massive," Morris told me last year. "The average energy reduction [in buildings] has been a 64% reduction. If we can replace all the motors in buildings in the U.S. that's the carbon equivalent of adding over 300 million tons of carbon sequestration per year."

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