This cluster of papers explores advancements in power electronics technology, focusing on wide bandgap semiconductors such as silicon carbide (SiC) and gallium nitride (GaN), reliability of power devices, high-temperature electronics, IGBT modules, thermal management, and failure modes. The papers cover topics such as the performance evaluation of SiC and GaN power devices, material science and device physics in SiC technology, condition monitoring for device reliability, and the potential of SiC nanowires in power electronics.