To meet such challenges, designers are turning to SiC-its unique properties are making it the power electronic material of choice in high-power industrial drives. Improving the efficiency and reliability of the motor drives is an important way to reduce costs. They’re used for HVAC, heavy-duty robots, material handling, and many other functions. Motors make up a considerable fraction of total power used in industrial applications. Silicon carbide has been in the market with power devices longer than GaN and is typically used for higher-voltage, higher-power applications. WBG power devices are already making an impact on a wide variety of applications and topologies, from common power supplies and chargers to solar power and energy storage. The properties of WBG materials promise smaller, faster, and more efficient power electronics. The most important development in power electronics in recent years is the rise of so-called wide-bandgap (WBG) materials, namely silicon carbide (SiC) and gallium nitride (GaN). How to improve three-phase inverters for variable motor drives.
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