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Optimization of the hybrid-switch inverter by decoupling SiC and Si

Title data

Walter, Michael ; Bakran, Mark-M.:
Optimization of the hybrid-switch inverter by decoupling SiC and Si.
Event: 11th International Conference on Power Electronics-ECCE Asia , 22.05.-25.05.2023 , Jeju, Korea.
(Conference item: Conference , Speech with paper )

Abstract in another language

The main objective of this paper is to optimize
the overall power losses of a traction inverter operating
at a DC-link voltage of 400V by using a discrete 650V
Si-IGBT and freewheeling diode and a 650V SiC-MOSFET
in parallel. The study proposes a new approach to decouple
the SiC-MOSFET half bridge and the IGBT/Si-Diode
half bridge from each other using a small additional inductance.
This approach reduces the turn-on losses of the SiCMOSFET
and turn-off losses of the Si-Diode, resulting in
lower overall losses in the hybrid-switch inverter compared
to a non-decoupled configuration. The system losses of the
hybrid-switch inverter are simulated and validated through
both a double pulse test setup and an inverter test rig.

Further data

Item Type: Conference item (Speech with paper)
Refereed: Yes
Institutions of the University: Faculties > Faculty of Engineering Science > Chair Mechatronics > Chair Mechatronics - Univ.-Prof. Dr.-Ing. Mark-M. Bakran
Profile Fields > Advanced Fields > Advanced Materials
Profile Fields > Emerging Fields > Energy Research and Energy Technology
Research Institutions > Research Units > Zentrum für Energietechnik - ZET
Result of work at the UBT: Yes
DDC Subjects: 600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 21 Jul 2023 06:46
Last Modified: 21 Jul 2023 06:46