Journal Article

·2015

Comparing different switching techniques for Silicon Carbide MOSFET assisted Silicon IGBT based hybrid switch

Sadık Özdemir YTU , Fatih Acar YTU , Uğur Savaş Selamoğulları YTU

Abstract

This study compares different switching techniques for Silicon Carbide (SiC) MOSFET assisted Silicon (Si) IGBT based hybrid switch and presents the effect of hybrid switch control techniques on the efficiency improvement. The hybrid switch which parallels a IGBT with a SiC MOSFET is proposed as a solution to improve the light load efficiency. The hybrid switch combines desirable properties both IGBT and SiC MOSFET. Different operation modes of hybrid switch are analyzed in PSIM using a simple circuit and if is shown that the hybrid switch performs better compared to IGBT alone operation.

Keywords

Insulated-gate bipolar transistor MOSFET Silicon carbide Materials science Silicon Electronic engineering Switching time Electrical engineering Optoelectronics Engineering Voltage Transistor

Subject Areas

Silicon Carbide Semiconductor Technologies ·Electrical and Electronic Engineering ·Physical Sciences
Multilevel Inverters and Converters ·Electrical and Electronic Engineering ·Physical Sciences
Advanced DC-DC Converters ·Electrical and Electronic Engineering ·Physical Sciences

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