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Applications of combined MOSFET-IGBT power leg with reduced switching losses

Abstract

This paper discusses power legs built upon the combination of a MOSFET and an IGBT. The suggested combined use of those different switches is intended to be applied in PWM controlled single and three phase inverters. The main advantage of the presented topology is the reduced switching losses in the overall inverter topology compared to the classical pure IGBT and MOSFET topologies. The paper presents and compares experimental results for the proposed power leg and the conventional pure IGBTs and pure MOSFETs legs. Realized applications of the proposed power leg are shown

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