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Since their introduction, the SiC-based semiconductors have been of special interest to the field of power electronics, enabling increase in system efficiency, maximum operating temperature, and power density. In higher voltage range, these semiconductors are at early stage of development and yet are not commercialized. This paper investigates state-of-the-art noncommercialized 3.3-kV 400-A full-SiC...
Alternate Arm Converter (AAC) is considered as a new breed of hybrid multilevel voltage source converters. In this paper, modeling, design and control of the Alternate Arm Converter (AAC) are presented and operation principles of the AAC is discussed. One of the issues regarding to the AAC is the switching between the upper and lower arms which provides hard switching of the so called Director Switches...
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