Abstract:This article presents the concept of switching and conduction loss reduction in a T-NPC inverter based on IGBT transistors. The method of limiting switching losses involves the connection of an LC circuit designed to cause transistors in vertical branches to shut down under zero voltage conditions. In order to reduce conduction losses, it was proposed to use two reverse blocking transistors connected anti-parallel in the horizontal branch of the inverter. To ensure safe operation of the transistors, a gate dri… Show more
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