Power electronics is a field of electrical engineering that focuses on the conversion and control of electric power using electronic devices. It plays a crucial role in various applications, from consumer electronics to industrial systems and renewable energy. For example, power electronics are used in inverters for solar panels, converting DC electricity to AC for grid integration. They also drive the operation of electric vehicles, controlling the flow of power from batteries to motors. The advancement of power electronics technology is key to improving energy efficiency and enabling the transition to sustainable energy sources.