Novel Capacitor To Shrink Size & Reduce Cost Of Electric Drives
As a researcher in power electronics, Shajjad Chowdhury is focused on exceeding capacity. In a lab space at the Department of Energy’s National Transportation Research Center at Oak Ridge National Laboratory, he’s developing a novel capacitor and inverter component that will shrink the size and reduce the cost of electric drive units. He sees this as a potential step to increase electric vehicle adoption in the United States.
“The vehicle’s electric traction drive is the main user of stored energy,” Chowdhury said. “The drive system has to perform with high efficiency to maximize the vehicle range for the battery’s capacity.” “I’ve been working with scientists to develop new materials that can reduce the volume of electric vehicle components, looking at composite-based dielectric materials,” he said. “One of the things I am proudest of is that one day I received an inquiry from an esteemed Nobel Prize-winning scientist who read one of my papers and wanted to talk about emerging materials for next-generation power electronics and traction drives.
“In school there, you take exams to determine your study path, and my exam scores put me in the arts field, not science,” he said. “I was really upset; I had to take an additional exam to place myself in the science program.” Chowdhury said he was good in both subjects, but one score was slightly higher than the other.
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