3d Printing Radically Improves Power Inverter Design

The research group’s first prototype features 50 percent printed parts, an is a liquid-cooled all-silicon carbide traction drive inverter.  Initial evaluations confirmed an efficiency of almost 99%, surpassing DOE’s power electronics target and setting the stage for building an inverter made entirely from 3D printed parts.

Building on the success of this prototype, researchers are working on an inverter with an even greater percentage of 3-D printed parts that’s half the size of inverters in commercially available vehicles. Chinthavali, encouraged by the team’s results, envisions an inverter with four times the power density of their prototype.


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