Professor Hans-Peter Nee, Department of Electric Power And Energy Systems, KTH Royal Institute of Technology, Sweden
Energy Efficient and Reliable Power Electronics Using Modular Topologies and Silicon Carbide Power Devices
Abstract: In the process of increasing the global penetration of electric transportation and renewable electricity generation, power electronics is a key enabler. Energy efficient power conversion is important not only because this saves energy, but also because this reduces the amount of material in cooling systems and the associated weight and volume of the same. Modularity can be used in order to achieve a high reliability through redundancy and fault tolerance. One such modular topology is the modular multilevel converter (MMC) which can achieve efficiencies in excess of 99 percent and very high reliability. Efficiencies in excess of 99 percent can, however, also be achieved using emerging silicon carbide (SiC) power semiconductor devices, but the reliability of these devices is still under development and investigation. The seminar aims to describe the activities in the power electronics group at KTH with special emphasis on MMCs and SiC power electronics. Examples of new concepts for MMCs, efficient SiC power converters, and attempts to evaluate reliability of SiC-based power converters will be presented.
EDIT room, Hörsalsvägen 11, Campus Johanneberg
29 November, 2018, 13:15
29 November, 2018, 14:15