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  • What it will take to win Google’s million-dollar electric power prize

    Wired - 08/11/2014

    To shrink an inverter down, engineers are probably going to have to figure out how to build them around switches made out of semiconductors that can flick a lot faster. Two likely candidates are silicon carbide (SiC) and gallinium nitrate (GaN). Faster switching means they would shed less heat, so the inverter wouldn’t need so many fans and heat sinks.

    “When you can switch at a high frequency, then everything else falls into place,” said Brad Lehman, an electrical engineer at Northeastern University in Boston, and editor of the journal IEEE Transactions on Power Electronics.

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