Archive > 2012 > October 2012 > High-Frequency, GaN Diode-Free Motor Drive Inverter with Pure Sine Wave Output

High-Frequency, GaN Diode-Free Motor Drive Inverter with Pure Sine Wave Output - October 2012

Y-F. Wu, D. Kebort, J. Guerrero, S. Yea,J. Honea, K. Shirabe and J. Kang

The article "High-Frequency, GaN Diode-Free Motor Drive Inverter with Pure Sine Wave Output" appeared in the October 2012 issue of Power Transmission Engineering.

Summary
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.

Keywords
motor drive inverter, GaN, gallium, sine wave output, motor design, Yaskawa America

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