Abstract
RSI (resonant snubber inverter) is able to raise power conversion efficiency by applying the adjustable dead-time control. However, when the adjustable dead-time control is applied to RSI, output current THD (total harmonics distortion) increases. As a solution of this problem, a dead-time compensation scheme was applied to adjustable dead-time controlled single-phase RSI. In addition, the effectiveness of the control scheme was verified. However, a dead-time compensation scheme was not applied to three-phase RSI for induction motor drive. Thus, in this paper, a dead-time compensation scheme was applied to adjustable dead-time controlled three-phase RSI for induction motor drive, and the effectiveness of the control scheme was verified through experiments.
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