Power electronics is a technology that uses semiconductor devices to convert and control electrical power. It adjusts voltage, current, and frequency to enable efficient power supply. By utilizing inverters and converters, it is widely applied in electric vehicles, renewable energy, industrial equipment, and household appliances. The development of next-generation semiconductors like SiC and GaN has enhanced efficiency and miniaturization. As a result, power electronics continues to play a crucial role in advancing smart grids and energy-saving technologies.