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October 1, 2012



Design Technical Articles Motor Design

High-Frequency, GaN Diode-Free Motor Drive Inverter with Pure Sine Wave Output

This article presents the first kW-Class, 3-phase GaN-based inverter. Hard-switched at 100-kHz PWM, its heart is a 6-in-1 power module with 600-V GaN power HEMTs, achieving a new efficiency of 98.5%, a more than 2% improvement.
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This article appeared in the October 2012 issue.


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