High Efficiency Three-Level Simplified Neutral Point Clamped (3L-SNPC) Inverter with GaN-Si Hybrid Structure

Conference: PCIM Europe 2018 - International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management
06/05/2018 - 06/07/2018 at Nürnberg, Deutschland

Proceedings: PCIM Europe 2018

Pages: 7Language: englishTyp: PDF

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Lange, Alexander; Lautner, Jennifer; Piepenbreier, Bernhard (Friedrich Alexander University Erlangen, Germany)

In this paper, a new Three-Level Simplified Neutral Point Clamped inverter with GaN-Si hybrid structure for motor drive applications is introduced. This topology allows the utilization of fast switching capability of new wide bandgap power devices with low blocking voltage together with conventional silicon power devices with high blocking voltage in one system. Thus, the advantages of fast switching power devices and multilevel inverter topologies are combined and the efficiency can be improved.